AQUAZONE™
50RTP03-20
Rooftop Water Source Heat Pumps
with PURON® Refrigerant (R-410A)
Installation, Start-Up, and
Service Instructions
Page
CONTENTS
Units with Aquazone™ Complete C Control . . . . . 40
Units with Aquazone Deluxe D Control . . . . . . . . . . 40
Units with WSHP Open Protocol . . . . . . . . . . . . . . . . 40
SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43-45
Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Aquazone Deluxe D Control LED Indicators . . . . . 45
WSHP Open Test Mode. . . . . . . . . . . . . . . . . . . . . . . . . . 45
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2
GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• STORAGE
• PROTECTION
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45,46
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Water Coil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 45
Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 45
Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 46
Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 46
Replacing the WSHP Open Controller’s
• INSPECT UNIT
Step 3 — Locate Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step 4 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . . . . . 8
Step 5 — Install Condensate Drain . . . . . . . . . . . . . . . 8
Step 6 — Make Piping Connections . . . . . . . . . . . . . . 8
• WATER LOOP APPLICATIONS
• GROUND-WATER APPLICATIONS
• GROUND-LOOP APPLICATIONS
Step 7 — Connect Electrical Wiring . . . . . . . . . . . . . . 9
• SUPPLY VOLTAGE
• 208-VOLT OPERATION
• BLOWER SELECTION
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Step 8 — Connect Low Voltage Wiring . . . . . . . . . . 34
• THERMOSTAT CONNECTIONS
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 47-49
Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
APPENDIX A — WSHP OPEN SCREEN
CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 50-55
• WATER FREEZE PROTECTION
• AIR COIL FREEZE PROTECTION
• ACCESSORY CONNECTIONS
• WATER SOLENOID VALVES
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . CL-1, CL-2
PRE-START-UP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
System Checkout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
IMPORTANT: Read the entire instruction manual before
starting installation.
FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . .35,36
Complete C Control Jumper Settings. . . . . . . . . . . 35
Complete C Control DIP Switches. . . . . . . . . . . . . . 35
Deluxe D Control Jumper Settings . . . . . . . . . . . . . 35
Deluxe D Control DIP Switches . . . . . . . . . . . . . . . . 35
Deluxe D Control Accessory Relay
Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Water Valve (Slow Opening) . . . . . . . . . . . . . . . . . . . 36
Outside-Air Damper (OAD) . . . . . . . . . . . . . . . . . . . . 36
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-40
Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 37
Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 37
Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 37
Unit Start-Up with WHSP Open Controls . . . . . . . . 38
Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
System Claening and Flushing. . . . . . . . . . . . . . . . . . 39
Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 40
Ground Coupled, Closed Loop and Plateframe
Heat Exchanger Well Systems . . . . . . . . . . . . . . . . 40
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can
be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should
install, repair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance func-
tions of cleaning coils and filters and replacing filters. All other
operations should be performed by trained service personnel.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply.
Improper installation, adjustment, alteration, service, main-
tenance, or use can cause explosion, fire, electrical shock or
other conditions which may cause personal injury or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The
qualified installer or agency must use factory-authorized kits or
accessories when modifying this product. Refer to the individ-
ual instructions packaged with the kits or accessories when
installing.
OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-43
Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500070-01 Printed in U.S.A. Form 50RTP-1SI Pg 1 7-10 Replaces: New
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5. Inspect all electrical connections. Be sure connections are
clean and tight at the terminals.
6. Compressors are internally spring-mounted. Compressors
equipped with external spring vibration isolators must
have bolts loosened and shipping clamps removed.
7. Remove any blower support cardboard from inlet of the
blower if present.
8. Locate and verify any accessory kit located in compressor
section.
CAUTION
DO NOT store or install units in corrosive environments or
in locations subject to temperature or humidity extremes
(e.g., attics, garages, rooftops, etc.). Corrosive conditions
and high temperature or humidity can significantly reduce
performance, reliability, and service life. Always move
units in an upright position. Tilting units on their sides may
cause equipment damage.
9. Remove any access panel screws that may be difficult to
remove once unit is installed.
INSPECT UNIT — To prepare the unit for installation, com-
plete the procedures listed below:
1. Compare the electrical data on the unit nameplate with
ordering and shipping information to verify that the
correct unit has been shipped.
Step 3 — Locate Unit — The following guidelines
should be considered when choosing a location for WSHP. Re-
fer to Fig. 1-3 for unit dimensional data. See Fig. 4 for accesso-
ry roof curb dimensional data.
2. Verify that the unit is the correct model for the entering
water temperature of the job.
• Provide sufficient space for water, electrical and duct
connections
3. Do not remove the packaging until the unit is ready for
installation.
• Locate unit in an area that allows for easy access and
removal of filter and access panels
4. Verify that the refrigerant tubing is free of kinks or dents,
and that it does not touch other unit components.
• Allow enough space for service personnel to perform
maintenance
Table 1 — Physical Data — Aquazone™ 50RTP03-20 Units
UNIT 50RTP
Compressor (qty)
Factory Charge R-410A (oz)
Blower Motor
03
04
05
Scroll (1)
06
08
10
12
Scroll (2)
130
14
20
64
84
120
132
108
120
192
300
Motor Quantity
Standard Motor (hp)
Large Motor (hp)
1
2
3
1
N/A
1
1.5
1
1.5
1.5
2
3
5
3
5
3
5
5
7.5
Blower(s)
Number of Blowers
Blower Wheel Size (dia x w)
V-belt size, Std drive
Water Connection Size
IPT (in.)
1
AX33
11/4
2
10 x 6
2 x 12
15 x 11
15 x 15
BX46
15 x 11
A29
0.61
A30
0.77
A32
1
B40
BX42
B39
3.83
BX40
3
/
11/2
2
4
Coax Volume
Volume (US Gallons)
Condensate Connection Size
FPT (in.)
1.11
1.30
1.69
1
2.29
2.68
4.77
Air Coil Data
Air Coil Total Face Area (sq ft)
5
7
9.33
10.5
20
8...16 x 20,
2...20 x 20
Filter, Standard, Qty...Size (in.)
4...16 x 20
6...16 x 20
Operating Weight (lb)
Shipping Weight (lb)
Corner Weights (lb)
Front-Left
Front-Right
Rear-Left
735
750
785
800
835
850
880
900
1080
1100
1125
1150
1175
1200
1770
1800
1960
2000
184
259
108.5
183.5
196
276
117
196
208.5
293.5
124.5
208.5
224
298
134
224
292
380
193
215
303.5
395.5
202
320
406
212.5
236.5
479
623
315
353
530
690
350
390
Rear-Right
224
Curb, Installed (lb)
83
94
128
IPT — Iron (National) Pipe Thread
3
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A50-8267.eps
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5
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WATER LOOP APPLICATIONS — Water loop applications
usually include a number of units plumbed to a common pip-
ing system. Maintenance to any of these units can introduce air
into the piping system. Therefore, air elimination equipment
comprises a major portion of the mechanical room plumbing.
Step 4 — Mount the Unit — For proper operation,
units must be mounted on a roof curb as shown in Fig. 5. Roof
curn dimensional data is shown in Fig. 4. Follow these guide-
lines when installing the roof curb:
1. Set unit on curb.
The flow rate is usually set between 2.25 and 3 gpm per ton
of cooling capacity. For proper maintenance and servicing,
pressure-temperature (P/T) ports are necessary for temperature
and flow verification.
In addition to complying with any applicable codes, consid-
er the following for system piping:
2. Align unit so that its return and supply air direction match
the return and supply air opening in the roof curb frame.
3. Run both the return and supply loop piping, as well as the
electrical supply line, through the pipe chase provided in
the curb.
• Piping systems utilizing water temperatures below
1
50 F require / -in. closed cell insulation on all piping
50 RTP
UNIT
2
surfaces to eliminate condensation.
• All plastic to metal threaded fittings should be avoided
due to the potential to leak. Use a flange fitted substitute.
• Teflon tape thread sealant is recommended to minimize
internal fouling of the heat exchanger.
• Use backup wrench. Do not overtighten connections.
• Route piping to avoid service access areas to unit.
• The piping system should be flushed prior to operation to
remove dirt and foreign materials from the system.
GROUND-WATER APPLICATIONS — In addition to com-
plying with any applicable codes, consider the following for
system piping:
FLASHING
• Install shut-off valves for servicing.
• Install pressure-temperature plugs to measure flow and
temperature.
GASKET
ROOF
• Boiler drains and other valves should be connected using
a “T” connector to allow acid flushing for the heat
exchanger.
• Do not overtighten connections.
• Route piping to avoid service access areas to unit.
• Use PVC SCH80 or copper piping material.
CURB
NOTE: PVC SCH40 should not be used due to system high
pressure and temperature extremes.
Fig. 5 — 50RTP Curb Installation
Water Supply and Quantity — Check water supply. Water
supply should be plentiful and of good quality. See Table 2 for
water quality guidelines.
Step 5 — Install Condensate Drain
1. Install a condensate trap at each unit with the top of
the trap positioned below the unit condensate drain
connection.
2. Design the length of the trap (water seal) based on the
amount of positive or negative pressure on the drain pan.
As a rule, 1 in. of trap is required for each inch of nega-
tive pressure on the unit.
IMPORTANT: Failure to comply with the above required
water quality and quantity limitations and the closed-
system application design requirements may cause damage
to the tube-in-tube heat exchanger that is not the responsi-
bility of the manufacturer.
Note that condensate is allowed to drain onto the roof.
In all applications, the quality of the water circulated
through the heat exchanger must fall within the ranges listed in
the Water Quality Guidelines table. Consult a local water treat-
ment firm, independent testing facility, or local water authority
for specific recommendations to maintain water quality within
the published limits.
Step 6 — Make Piping Connections — Depend-
ing on the application, there are 3 types of WSHP piping sys-
tems to choose from: water loop, ground-water and ground
loop. Refer to Piping Section of Carrier System Design Manual
for additional information.
GROUND-LOOP APPLICATIONS — Temperatures between
25 to 110 F and a cooling capacity of 2.25 to 3 gpm of flow per
ton is recommended. In addition to complying with any appli-
cable codes, consider the following for system piping:
• Piping materials should be limited to only polyethylene
fusion in the buried sections of the loop.
All WSHP units use low temperature soldered female pipe
thread fittings for water connections to prevent annealing and
out-of-round leak problems which are typically associated with
high temperature brazed connections. Refer to Table 1 for con-
nection sizes. When making piping connections, consider the
following:
• Use a backup wrench when making screw connections to
• Galvanized or steel fittings should not be used at any
time due to corrosion.
unit to prevent internal damage to piping.
• Insulation may be required on piping to avoid condensa-
tion in the case where fluid in loop piping operates at
temperatures below dew point of adjacent air.
• Piping systems that contain steel pipes or fittings may
be subject to galvanic corrosion. Dielectric fittings may
be used to isolate the steel parts of the system to avoid
galvanic corrosion.
• All plastic to metal threaded fittings should be avoided
due to the potential to leak. Use a flange fitted substitute.
• Do not overtighten connections.
• Route piping to avoid service access areas to unit.
• Pressure-temperature (P/T) plugs should be used to mea-
sure flow of pressure drop.
8
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Table 2 — Water Quality Guidelines
HX
MATERIAL*
CONDITION
CLOSED RECIRCULATING†
OPEN LOOP AND RECIRCULATING WELL**
Scaling Potential — Primary Measurement
Above the given limits, scaling is likely to occur. Scaling indexes should be calculated using the limits below.
pH/Calcium
Hardness Method
All
N/A
pH < 7.5 and Ca Hardness, <100 ppm
Index Limits for Probable Scaling Situations (Operation outside these limits is not recommended.)
Scaling indexes should be calculated at 150 F for direct use and HWG applications, and at 90 F for indirect HX use. A monitoring plan should be
implemented.
Ryznar Stability Index
6.0 - 7.5
If >7.5 minimize steel pipe use.
–0.5 to +0.5
All
N/A
Langelier Saturation Index
All
N/A
If <–0.5 minimize steel pipe use.
Based upon 150 F HWG and direct well, 85 F indirect well HX.
Iron Fouling
Iron Fe2+ (Ferrous)
<0.2 ppm (Ferrous)
If Fe2+ (ferrous) >0.2 ppm with pH 6 - 8, O2<5 ppm check for iron bacteria.
<0.5 ppm of Oxygen
All
All
N/A
N/A
(Bacterial Iron Potential)
Iron Fouling
Above this level deposition will occur.
Corrosion Prevention††
pH
6 - 8.5
Minimize steel pipe below 7 and no open tanks with pH <8.
<0.5 ppm
6 - 8.5
All
All
Monitor/treat as needed.
Hydrogen Sulfide (H2S)
At H2S>0.2 ppm, avoid use of copper and cupronickel piping or HXs.
Rotten egg smell appears at 0.5 ppm level.
Copper alloy (bronze or brass) cast components are okay to <0.5 ppm.
N/A
N/A
Ammonia Ion as Hydroxide,
Chloride, Nitrate and Sulfate
Compounds
<0.5 ppm
All
Maximum Chloride Levels
Maximum allowable at maximum water temperature.
50 F (10 C)
75 F (24 C)
100 F (38 C)
Copper
N/A
<20 ppm
<150 ppm
<400 ppm
<1000 ppm
>1000 ppm
NR
NR
CuproNickel
N/A
N/A
N/A
N/A
NR
NR
304 SS
<250 ppm
<550 ppm
>550 ppm
<150 ppm
<375 ppm
>375 ppm
316 SS
Titanium
Erosion and Clogging
Particulate Size and Erosion
<10 ppm of particles and a max-
imum velocity of 6 fps. Filtered
for maximum
<10 ppm (<1 ppm “sand free” for reinjection) of particles and a maximum velocity of 6
fps. Filtered for maximum 800 micron size. Any particulate that is not removed can
potentially clog components.
All
800 micron size.
LEGEND
Hot Water Generator
Heat Exchanger
††If the concentration of these corrosives exceeds the maximum allowable level,
then the potential for serious corrosion problems exists.
HWG
HX
—
—
—
Sulfides in the water quickly oxidize when exposed to air, requiring that no agita-
tion occur as the sample is taken. Unless tested immediately at the site, the sam-
ple will require stabilization with a few drops of one Molar zinc acetate solution,
allowing accurate sulfide determination up to 24 hours after sampling. A low pH
and high alkalinity cause system problems, even when both values are within
ranges shown. The term pH refers to the acidity, basicity, or neutrality of the water
supply. Below 7.0, the water is considered to be acidic. Above 7.0, water is con-
sidered to be basic. Neutral water contains a pH of 7.0.
N/A
Design Limits Not Applicable Considering Recirculating
Potable Water
NR
SS
—
—
Application Not Recommended
Stainless Steel
*Heat exchanger materials considered are copper, cupronickel, 304 SS (stainless
steel), 316 SS, titanium.
†Closed recirculating system is identified by a closed pressurized piping system.
**Recirculating open wells should observe the open recirculating design
considerations.
NOTE: To convert ppm to grains per gallon, divide by 17. Hardness in mg/l is equiv-
alent to ppm.
Refer to unit wiring diagrams in Fig. 6-16 for a schematic of
the field connections which must be made by the installing (or
electrical) contractor.
Consult the unit wiring diagram located on the inside of the
compressor access panel to ensure proper electrical hookup.
The installing (or electrical) contractor must make the field
connections when using field-supplied disconnect.
Step 7 — Connect Electrical Wiring
WARNING
Electrical shock can cause personal injury and death. Shut
off all power to this equipment during installation. There
may be more than one disconnect switch. Tag all discon-
nect locations to alert others not to restore power until work
is completed.
Operating voltage must be the same voltage and phase as
shown in electrical data shown in Table 3.
Make all final electrical connections with a length of flexi-
ble conduit to minimize vibration and sound transmission to
the building.
SUPPLY VOLTAGE — Operating voltage to unit must be
within voltage range indicated on unit nameplate.
On 3-phase units, voltages under load between phases must
be balanced within 2%. Use the following formula to deter-
mine the percentage voltage imbalance:
CAUTION
Use only copper conductors for field-installed electrical
wiring. Unit terminals are not designed to accept other
types of conductors.
All field installed wiring, including the electrical ground,
MUST comply with the National Electrical Code (NEC) as
well as applicable local codes. In addition, all field wiring must
conform to the Class II temperature limitations described in the
NEC.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage
9
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Example: Supply voltage is 460-3-60.
This amount of phase imbalance is satisfactory as it is
below the maximum allowable 2%.
Operation on improper line voltage or excessive phase
imbalance constitutes abuse and may cause damage to electri-
cal components.
AB = 452 volts
BC = 464 volts
AC = 455 volts
452 + 464 + 455
3
Average Voltage =
NOTE: If more than 2% voltage imbalance is present, contact
local electric utility.
1371
3
208-VOLT OPERATION — All 208-230 volt units are factory
wired for 208 volts. The transformers may be switched to
230-volt operation (as illustrated on the wiring diagram) by
switching the red (208 volt) wire with the orange (230 volt)
wire at the L1 terminal.
=
=
457
Determine maximum deviation from average voltage:
BLOWER SELECTION — All water source heat pumps are
factory set with the appropriate motor and sheave combination
to achieve the desired airflow performance. Performance is
selected by matching the desired performance with the appro-
priate region in Tables 4-12.
NOTE: Factory-installed sheaves are field adjustable. Refer to
Tables 4-12 for adjustment points.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.
Determine percent voltage imbalance.
7
% Voltage Imbalance = 100 x
457
= 1.53%
Table 3 — Electrical Data
COMPRESSOR
MOTOR
FLA
TOTAL
UNIT
FLA
MAX
MCA FUSE/
HACR
50RTP
UNIT SIZE
VOLTAGE
CODE
VOLTAGE
(V-Ph-Hz)
MIN/MAX
VOLTAGE
BLOWER
OPTION
Qty
RLA
LRA
Qty
Hp
5
6
1
208-3-60
460-3-60
575-3-60
197/254
414/506
518/633
A,B,C
A,B,C
A,B,C
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
A,B,C
E
A,B,C
E
A,B,C
E
A,B,C
E
A,B,C
E
A,B,C
E
A,B,C
E
A,B,C
E
A,B,C
E
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
10.4
5.8
3.8
13.7
13.7
6.2
6.2
4.8
4.8
15.6
15.6
7.8
7.8
5.8
73.0
38.0
36.5
83.1
83.1
41.0
41.0
33.0
33.0
110.0
110.0
52.0
52.0
38.9
38.9
155.0
155.0
75.0
75.0
54.0
54.0
83.1
83.1
41.0
41.0
33.0
33.0
110.0
110.0
52.0
52.0
38.9
38.9
155.0
155.0
75.0
75.0
54.0
54.0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4.0
2.0
1.4
4.0
5.0
2.0
2.4
1.4
1.9
4.0
5.0
2.0
2.4
1.4
1.9
5.0
6.2
2.4
3.1
1.9
2.3
6.2
9.2
3.1
4.3
2.3
3.4
9.2
14.1
4.3
7.0
3.4
5.2
9.2
14.1
4.3
7.0
3.4
5.2
1.0
1.0
1.0
1.0
1.5
1.0
1.5
1.0
1.5
1.0
1.5
1.0
1.5
1.0
1.5
1.5
2.0
1.5
2.0
1.5
2.0
2.0
3.0
2.0
3.0
2.0
3.0
3.0
5.0
3.0
5.0
3.0
5.0
3.0
5.0
3.0
5.0
3.0
5.0
14.4
7.8
5.2
17.7
18.7
8.2
8.6
6.2
6.7
19.6
20.6
9.8
10.2
7.2
17.0
9.3
6.2
21.1
22.1
9.8
10.1
7.4
25
15
15
35
35
15
15
15
15
40
40
15
15
15
15
50
50
20
20
15
15
50
50
20
20
15
15
60
60
25
30
20
20
80
80
35
35
25
25
03
04
5
6
1
5
6
1
5
6
1
5
6
1
5
6
1
5
6
1
208-3-60
460-3-60
575-3-60
208-3-60
460-3-60
575-3-60
208-3-60
460-3-60
575-3-60
208-3-60
460-3-60
575-3-60
208-3-60
460-3-60
575-3-60
208-3-60
460-3-60
575-3-60
197/254
414/506
518/633
197/254
414/506
518/633
197/254
414/506
518/633
197/254
414/506
518/633
197/254
414/506
518/633
197/254
414/506
518/633
7.9
23.5
24.5
11.8
12.2
8.7
05
06
08
10
12
5.8
7.7
9.2
20.5
20.5
9.6
9.6
7.6
25.5
26.7
12.0
12.7
9.5
30.6
31.8
14.4
15.1
11.4
11.8
37.0
40.0
17.0
18.3
13.1
14.2
44.3
49.2
21.9
24.6
16.5
18.3
55.3
60.2
25.9
28.6
20.5
22.3
7.6
9.9
13.7
13.7
6.2
6.2
4.8
33.6
36.6
15.5
16.7
11.9
13.0
40.4
45.3
19.9
22.6
15.0
16.8
50.2
55.1
23.5
26.2
18.6
20.4
4.8
15.6
15.6
7.8
7.8
5.8
5.8
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
20.5
20.5
9.6
9.6
7.6
7.6
10
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Table 3 — Electrical Data (cont)
COMPRESSOR
MOTOR
FLA
TOTAL
UNIT
FLA
MAX
MCA FUSE/
HACR
50RTP
UNIT SIZE
VOLTAGE
CODE
VOLTAGE
(V-Ph-Hz)
MIN/MAX
VOLTAGE
BLOWER
OPTION
Qty
RLA
LRA
Qty
Hp
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
A,B,C
D,E
2
2
2
2
2
2
2
2
2
2
2
2
23.2
23.2
11.2
11.2
7.9
164.0
164.0
75.0
75.0
54.0
1
1
1
1
1
1
1
1
1
1
1
1
9.2
14.1
4.3
7.0
3.4
3.0
5.0
3.0
5.0
3.0
5.0
5.0
7.5
5.0
7.5
5.0
7.5
55.6
60.5
26.7
29.4
19.2
21.0
74.3
81.9
40.4
43.4
29.6
32.1
61.4
66.3
29.5
32.2
21.2
23.0
81.8
89.4
44.6
47.6
32.6
35.1
80
80
40
40
30
5
6
1
5
6
1
208-3-60
460-3-60
575-3-60
208-3-60
460-3-60
575-3-60
197/254
14
20
414/506
518/633
197/254
414/506
518/633
7.9
54.0
5.2
30
30.1
30.1
16.7
16.7
12.2
12.2
225.0
225.0
114.0
114.0
80.0
14.1
21.7
7.0
10.0
5.2
110
110
60
60
45
80.0
7.7
45
LEGEND
FLA — Full Load Amps
HACR — Heating, Air Conditioning, and Refrigeration
LRA — Locked Rotor Amps
MCA — Minimum Circuit Amps
RLA — Rated Load Amps
Table 4 — 50RTP03 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
1.2
1.3
1.4
1.5
bhp
Sheave/Motor
rpm
Turns Open
bhp
0.10 0.13 0.16 0.17 0.19 0.22 0.24 0.26 0.28 0.30 0.33 0.35 0.37 0.40 0.44 0.47
B
B
B
A
A
A
A
A
A
A
C
C
C
C
C
C
900
552
4.5
615
3.5
665
3.0
715
4.5
765
4.0
820
3.5
875
2.5
925
2.0
965 1010 1055 1100 1140 1180 1220 1260
1.5 1.0 3.0 2.5 2.0 2.0 1.5 1.0
0.16 0.17 0.19 0.21 0.23 0.25 0.28 0.30 0.33 0.36 0.40 0.43 0.46 0.49 0.52 0.55
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
B
615
3.5
B
655
3.0
A
695
5.0
A
740
4.0
A
790
3.5
A
845
3.0
A
900
2.0
A
940
1.5
A
A
C
C
C
C
C
C
1000
1100
1200
1300
1400
1500
985 1030 1070 1115 1150 1190 1230 1265
1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0
0.22 0.23 0.25 0.29 0.32 0.34 0.35 0.36 0.38 0.41 0.44 0.48 0.50 0.53 0.56 0.59
B
685
2.5
0.26 0.27 0.30 0.33 0.36 0.39 0.42 0.44 0.48 0.51 0.54 0.57 0.60 0.62 0.65 0.69
A
710
5.0
0.30 0.33 0.36 0.40 0.42 0.44 0.46 0.50 0.55 0.61 0.65 0.68 0.71 0.74 0.76 0.79
A
750
4.0
0.40 0.42 0.44 0.47 0.50 0.53 0.56 0.60 0.64 0.67 0.70 0.72 0.75 0.79 0.84 0.88
A
820
3.0
A
725
5.0
A
765
4.0
A
810
3.5
A
855
2.5
A
895
2.5
A
940
1.5
A
A
C
C
C
C
C
C
C
985 1025 1065 1105 1145 1180 1215 1250 1285
1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0 0.5
A
740
4.5
A
785
3.5
A
830
3.0
A
880
2.5
A
920
2.0
A
A
C
C
C
C
C
C
C
C
965 1005 1045 1085 1125 1160 1195 1230 1265 1300
1.0 0.5 3.5 3.0 2.5 2.0 1.5 1.0 1.0 0.5
A
790
3.5
A
830
3.0
A
870
2.5
A
910
2.0
A
950
1.5
A
A
C
C
C
C
C
C
C
C
990 1030 1065 1105 1140 1175 1210 1245 1280 1315
1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0 0.5 0.0
A
850
2.5
A
875
2.5
A
915
2.0
A
950
1.5
A
A
C
C
C
C
C
C
C
C
C
990 1025 1065 1100 1135 1170 1205 1235 1270 1305 1335
1.0
0.5
3.0
2.5
2.0
2.0
1.5
1.0
0.5
0.5
0.0
—
—
—
—
0.45 0.47 0.50 0.52 0.55 0.59 0.64 0.69 0.74 0.77 0.80 0.83 0.86 0.90 0.93
A
860
2.5
A
885
2.0
A
920
2.0
A
955
1.5
A
A
C
C
C
C
C
C
C
C
C
985 1020 1055 1090 1125 1160 1190 1225 1255 1290 1320
1.0 0.5 3.0 2.5 2.0 2.0 1.5 1.0 1.0 0.5 0.0
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor
11
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Table 5 — 50RTP04 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
0.27 0.31 0.34 0.37 0.40 0.42 0.45 0.48 0.52 0.55 0.58 0.60 0.63 0.66 0.70 0.73
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
1200
1300
1400
1500
1600
1700
1800
1900
2000
750
5.0
800
4.0
845
5.0
890
4.0
935
3.5
975 1015 1055 1095 1135 1170 1205 1240 1275 1310 1345
3.0 2.5 1.5 1.0 0.5 0.0 3.0 2.5 2.0 1.5 1.5
0.35 0.38 0.41 0.43 0.45 0.47 0.53 0.59 0.64 0.67 0.70 0.72 0.75 0.78 0.80 0.83
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
810
4.0
850
4.5
890
4.0
930
3.5
970 1010 1050 1090 1125 1160 1195 1230 1265 1300 1330 1365
3.0 2.5 2.0 1.0 0.5 0.0 3.0 3.0 2.5 2.0 1.5 1.0
0.43 0.46 0.49 0.52 0.55 0.58 0.62 0.66 0.68 0.71 0.74 0.77 0.82 0.86 0.91 0.96
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
865
4.5
900
4.0
935
3.5
970 1010 1045 1085 1120 1155 1190 1220 1255 1290 1320 1355 1390
3.0 2.5 2.0 1.5 0.5 0.0 3.5 3.0 2.5 2.0 1.5 1.0 1.0
0.49 0.52 0.54 0.57 0.62 0.68 0.73 0.76 0.79 0.82 0.85 0.89 0.92 0.96 1.00 1.05
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
910
3.5
945
3.5
975 1010 1045 1080 1115 1150 1180 1215 1250 1280 1310 1345 1375 1405
3.0 2.5 2.0 1.5 1.0 0.0 3.5 3.0 2.5 2.0 2.0 1.5 1.0 0.5
0.62 0.65 0.67 0.70 0.72 0.75 0.78 0.82 0.86 0.89 0.94 1.00 1.04 1.08 1.13 1.18
A
A
A
A
A
A
A
C
C
C
C
E
E
E
E
E
960
3.0
985 1015 1050 1080 1115 1145 1175 1210 1240 1275 1305 1335 1365 1395 1425
2.5 2.5 2.0 2.0 1.5 0.5 3.5 3.0 2.5 2.5 2.0 1.5 1.0 0.5 0.5
0.74 0.77 0.80 0.83 0.85 0.88 0.90 0.93 0.95 1.00 1.06 1.11 1.17 1.22 1.27 1.31
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
E
1000 1030 1060 1090 1115 1150 1180 1210 1240 1270 1300 1330 1360 1390 1420 1445
2.5
2.0
1.5
1.5
1.0
1.0
3.5
3.0
3.0
2.5
2.0
1.5
1.0
1.0
0.5
—
—
—
—
—
—
—
—
—
—
—
—
0.0
—
—
—
—
—
—
—
—
—
—
—
—
0.83 0.87 0.90 0.94 0.98 1.02 1.06 1.09 1.14 1.18 1.23 1.28 1.32 1.36
A
1050 1075 1100 1125 1155 1185 1215 1245 1275 1300 1330 1360 1385 1415
2.0
0.97 1.00 1.03 1.08 1.12 1.16 1.20 1.25 1.29 1.34 1.38 1.42
A
1100 1120 1145 1175 1200 1225 1250 1280 1305 1335 1360 1385
1.0
1.13 1.17 1.20 1.24 1.28 1.32 1.36 1.40 1.44
D
1145 1170 1190 1215 1235 1260 1290 1315 1340
0.5 0.5 3.0 3.0 2.5 2.5 2.0 1.5 1.5
A
A
A
A
E
E
E
E
E
E
E
E
E
1.5
1.0
0.5
0.5
3.5
3.0
2.5
2.5
2.0
1.5
1.0
1.0
—
—
—
—
—
—
—
—
0.5
—
—
—
—
—
—
—
—
D
D
E
E
E
E
E
E
E
E
E
1.0
0.5
3.5
3.0
3.0
2.5
2.0
2.0
1.5
—
—
—
—
1.0
—
—
—
—
1.0
—
—
—
—
Sheave/Motor
rpm
Turns Open
D
E
E
E
E
E
E
E
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, D = Standard RPM/
Large Motor, E = High RPM/Large Motor
12
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Table 6 — 50RTP05 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.5
A
1.1
1.2
1.3
1.4
1.5
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
0.17 0.22 0.26 0.29 0.31 0.34 0.37 0.40 0.44 0.47
0.53 0.56 0.60 0.63 0.65
A
B
516
5.0
B
573
4.5
B
625
3.5
B
670
2.5
A
A
A
A
A
A
A
945
0.5
C
970
3.0
C
C
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
710
4.5
755
4.0
785
3.5
820
3.0
850
2.0
880
1.5
900
1.5
925
1.0
990 1010
2.5 2.5
0.20 0.24 0.28 0.32 0.35 0.38 0.41 0.45 0.48 0.52 0.55 0.58 0.62 0.65 0.68 0.70
B
526
5.0
B
583
4.5
B
635
3.5
A
680
5.0
A
A
A
A
A
A
A
A
C
965
3.0
C
C
C
725
4.5
765
3.5
795
3.0
830
2.5
860
2.0
890
1.5
915
1.0
940
0.5
990 1010 1030
2.5 2.5 2.0
0.23 0.26 0.30 0.34 0.38 0.42 0.45 0.49 0.53 0.56 0.60 0.64 0.67 0.71 0.73 0.75
B
536
4.5
B
589
4.0
B
640
3.0
A
685
5.0
A
A
A
A
A
A
A
A
C
C
C
C
730
4.0
770
3.5
805
3.0
840
2.5
875
2.0
900
1.5
930
1.0
955
0.5
980 1005 1025 1045
3.0 2.5 2.0 2.0
0.25 0.29 0.33 0.37 0.41 0.46 0.50 0.54 0.58 0.62 0.65 0.68 0.72 0.76 0.78 0.81
B
547
4.5
B
599
4.0
B
650
3.0
A
695
4.5
A
A
A
A
A
A
A
C
C
C
C
C
740
4.0
780
3.5
815
2.5
855
2.0
885
1.5
915
1.0
940
0.5
965
3.0
995 1020 1040 1060
2.5 2.0 2.0 1.5
0.29 0.32 0.37 0.41 0.46 0.50 0.55 0.59 0.62 0.66 0.70 0.73 0.77 0.81 0.85 0.88
B
568
4.5
B
620
3.5
B
665
3.0
A
710
4.5
A
A
A
A
A
A
A
C
C
C
C
C
755
3.5
790
3.0
830
2.5
865
2.0
895
1.5
925
1.0
955
0.5
985 1015 1035 1060 1080
2.5 2.0 2.0 1.5 1.0
0.33 0.36 0.42 0.47 0.52 0.57 0.61 0.66 0.69 0.73 0.77 0.81 0.85 0.89 0.92 0.96
B
589
4.0
B
635
3.5
A
680
5.0
A
725
4.0
A
A
A
A
A
A
C
C
C
C
C
C
765
3.5
805
3.0
845
2.0
880
1.5
910
1.0
940
0.5
975 1005 1030 1055 1075 1100
3.0 2.5 2.0 1.5 1.5 1.0
0.41 0.45 0.49 0.52 0.57 0.63 0.68 0.72 0.76 0.80 0.84 0.88 0.92 0.96 1.00 1.04
B
615
3.5
B
660
3.0
A
700
4.5
A
740
4.0
A
A
A
A
A
A
C
C
C
C
E
E
780
3.0
820
2.5
860
2.0
895
1.5
925
1.0
960
0.5
990 1020 1045 1070 1095 1120
2.5 2.0 2.0 1.5 1.0 0.5
0.44 0.49 0.54 0.58 0.64 0.69 0.74 0.78 0.83 0.87 0.91 0.96 1.00 1.04 1.08 1.12
B
640
3.0
A
680
5.0
A
720
4.5
A
760
3.5
A
A
A
A
A
C
C
C
E
E
E
E
800
3.0
840
2.5
880
1.5
910
1.0
945
0.5
975 1005 1035 1060 1085 1115 1135
3.0 2.5 2.0 1.5 1.5 1.0 0.5
0.52 0.56 0.60 0.65 0.70 0.75 0.80 0.85 0.89 0.94 1.00 1.05 1.11 1.16 1.22 1.25
Sheave/Motor
rpm
Turns Open
bhp
Sheave/Motor
rpm
Turns Open
bhp
B
665
3.0
A
705
4.5
A
745
4.0
A
785
3.5
A
A
A
A
C
C
E
E
E
E
E
E
825
2.5
860
2.0
895
1.5
930
0.5
960
3.0
995 1025 1050 1080 1105 1135 1155
2.5 2.0 2.0 1.5 1.0 0.5 0.5
0.57 0.62 0.67 0.73 0.79 0.84 0.89 1.00 1.00 1.03 1.08 1.14 1.20 1.26 1.30 1.35
A
695
5.0
A
735
4.0
A
775
3.5
A
810
3.0
A
A
A
D
D
E
E
E
E
E
E
E
850
2.0
885
1.5
920
1.0
950
0.5
980 1015 1040 1070 1100 1130 1150 1175
0.0 2.0 2.0 1.5 1.0 0.5 0.5 0.0
0.64 0.69 0.75 0.81 0.87 0.92 1.00 1.01 1.05 1.11 1.17 1.23 1.29 1.34 1.39 1.43
Sheave/Motor
rpm
Turns Open
A
725
4.5
A
765
3.5
A
800
3.0
A
835
2.5
A
A
D
D
E
E
E
E
E
E
E
E
870
2.0
905
1.5
940
0.5
970 1000 1030 1060 1090 1120 1145 1170 1190
0.0 2.5 2.0 1.5 1.0 0.5 0.5 0.0 0.0
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, D = Standard RPM/
Large Motor, E = High RPM/Large Motor
13
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Table 7 — 50RTP06 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.27
B
0.1
0.31
B
0.2
0.35
B
0.3
0.39
B
0.4
0.43
A
0.5
0.47
A
0.6
0.51
A
0.7
0.55
A
0.8
0.59
A
0.9
0.62
A
1.0
0.66
A
1.1
0.70
A
1.2
0.74
A
1.3
0.76
C
1.4
0.79
C
1.5
0.83
C
bhp
Sheave/Motor
rpm
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
568
5.0
0.29
B
620
3.5
0.33
B
665
2.5
0.37
B
710
1.5
0.42
B
755
5.0
0.46
A
790
4.0
0.50
A
830
3.5
0.55
A
865
3.0
0.59
A
895
2.5
0.63
A
920
2.0
0.67
A
950
1.0
0.70
A
975
0.5
1005
0.0
1025
4.0
1045
4.0
1070
3.5
Turns Open
bhp
0.74
A
0.77
C
0.81
C
0.85
C
0.89
C
Sheave/Motor
rpm
573
4.5
0.32
B
625
3.5
0.36
B
670
2.5
0.41
B
715
1.5
0.46
B
755
5.0
0.51
A
795
4.0
0.56
A
830
3.5
0.60
A
870
3.0
0.65
A
900
2.0
0.69
A
930
1.5
0.72
A
960
1.0
0.76
A
990
0.5
1015
4.5
1040
4.0
1060
3.5
1085
3.5
Turns Open
bhp
0.80
A
0.84
C
0.88
C
0.92
C
0.96
C
Sheave/Motor
rpm
583
4.5
0.39
B
630
3.0
0.44
B
675
2.0
0.47
B
720
1.0
0.51
B
760
4.5
0.56
A
800
3.5
0.61
A
835
3.0
0.66
A
875
2.5
0.71
A
905
2.0
0.75
A
935
1.5
0.79
A
970
0.5
0.83
A
1000
0.0
1025
4.0
1050
3.5
1075
3.5
1100
3.0
Turns Open
bhp
0.87
C
0.91
C
0.95
C
0.99
C
1.03
C
Sheave/Motor
rpm
599
4.0
0.42
B
645
3.0
0.47
B
685
2.0
0.52
B
725
1.0
0.56
A
770
4.5
0.62
A
805
3.5
0.67
A
845
3.0
0.72
A
885
2.5
0.77
A
915
1.5
0.81
A
950
1.0
0.85
A
980
0.5
0.89
A
1010
4.5
1035
4.0
1060
3.5
1085
3.0
1110
3.0
Turns Open
bhp
0.93
C
0.98
C
1.02
C
1.06
C
1.11
C
Sheave/Motor
rpm
620
3.5
0.49
B
665
2.5
0.54
B
705
1.5
0.58
B
745
5.0
0.62
A
785
4.0
0.67
A
825
3.5
0.72
A
865
2.5
0.78
A
900
2.0
0.82
A
930
1.5
0.87
A
960
1.0
0.91
A
995
0.0
0.97
C
1020
4.0
1050
3.5
1075
3.5
1100
3.0
1130
2.5
Turns Open
bhp
1.02
C
1.08
C
1.13
C
1.19
C
1.23
C
Sheave/Motor
rpm
640
3.0
0.54
B
685
2.0
0.58
B
725
1.0
0.62
A
765
4.5
0.68
A
800
4.0
0.74
A
840
3.0
0.79
A
880
2.5
0.85
A
910
2.0
0.90
A
945
1.0
0.94
A
975
0.5
0.99
A
1010
4.5
1.04
C
1035
4.0
1065
3.5
1090
3.0
1120
2.5
1145
2.5
Turns Open
bhp
1.10
C
1.15
C
1.21
C
1.27
C
1.31
C
Sheave/Motor
rpm
660
2.5
0.59
B
700
1.5
0.64
B
740
5.0
0.69
A
780
4.5
0.75
A
820
3.5
0.81
A
855
3.0
0.87
A
890
2.0
0.92
A
925
1.5
0.96
A
955
1.0
1.01
A
990
0.5
1.05
A
1020
4.0
1.11
C
1050
3.5
1075
3.5
1105
3.0
1135
2.5
1155
2.0
Turns Open
bhp
1.17
C
1.23
C
1.29
C
1.34
C
1.39
C
Sheave/Motor
rpm
680
2.0
0.64
B
725
1.0
0.69
A
765
4.5
0.75
A
800
4.0
0.80
A
835
3.5
0.86
A
870
3.0
0.92
A
905
2.0
0.97
A
935
1.5
1.02
A
970
0.5
1.08
A
1000
0.0
1.13
C
1030
4.0
1.19
C
1060
3.5
1090
3.0
1120
C
1145
2.0
1170
2.0
Turns Open
bhp
1.25
C
1.30
C
1.36
C
1.41
C
1.50
E
Sheave/Motor
rpm
700
1.5
0.70
B
740
5.0
0.75
A
780
4.5
0.80
A
815
3.5
0.86
A
850
3.0
0.91
A
885
2.5
0.97
A
920
2.0
1.02
A
950
1.0
1.08
A
985
0.5
1.14
C
1015
4.5
1.20
C
1045
3.5
1.26
C
1075
3.0
1100
3.0
1130
2.5
1155
2.0
1180
1.5
Turns Open
bhp
1.32
C
1.38
C
1.50
E
1.52
E
1.56
E
Sheave/Motor
rpm
725
1.0
0.76
A
760
4.5
0.82
A
795
4.0
0.88
A
830
3.5
0.93
A
865
3.0
0.98
A
900
2.0
1.05
A
930
1.5
1.10
A
960
1.0
1.16
A
995
4.5
1.22
C
1025
4.0
1.30
C
1055
3.5
1.37
C
1085
3.0
1115
2.5
1140
2.0
1165
2.0
1190
1.5
Turns Open
bhp
1.44
C
1.50
E
1.56
E
1.63
E
1.69
E
Sheave/Motor
rpm
745
5.0
0.82
A
780
4.0
0.88
A
815
3.5
0.93
A
850
3.0
0.98
A
880
2.5
1.05
A
915
1.5
1.11
A
945
1.0
1.17
A
980
0.5
1.23
C
1010
4.5
1.30
C
1040
4.0
1.37
C
1070
3.5
1.44
C
1100
3.0
1125
2.5
1150
2.0
1180
1.5
1205
1.5
Turns Open
bhp
1.51
E
1.59
E
1.65
E
1.71
E
1.77
E
Sheave/Motor
rpm
765
4.5
0.91
A
800
4.0
0.96
A
830
3.5
1.02
A
865
2.5
1.07
A
900
2.0
1.13
A
930
1.5
1.20
A
960
0.5
1.26
A
990
4.5
1.32
C
1020
4.0
1.38
C
1050
3.5
1.46
C
1080
3.0
1.53
E
1110
2.5
1140
2.5
1165
2.0
1190
1.5
1215
1.0
Turns Open
bhp
1.60
E
1.66
E
1.72
E
1.78
E
1.84
E
Sheave/Motor
rpm
785
4.0
820
3.5
855
3.0
885
2.5
915
2.0
950
1.0
980
0.5
1010
4.0
1035
4.0
1065
3.5
1095
3.0
1125
2.5
1150
2.0
1175
1.5
1200
1.5
1225
1.0
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, E = High RPM/Large
Motor
14
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Table 8 — 50RTP08 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
0.36 0.39 0.42 0.46 0.52 0.6 0.67 0.7 0.74 0.77 0.82 0.88 0.95 1.01 1.07 1.13 1.18 1.22 1.27 1.32 1.37
B
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
2400
2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
500 525 563 596 632 668 704 728 756 780 808 832 856 880 904 928 948 968 988 1008 1028
6.0 5.0 4.0 3.0 6.0 5.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.5 4.0 4.0 3.5
0.40 0.45 0.50 0.56 0.62 0.67 0.72 0.76 0.80 0.85 0.90 0.97 1.05 1.12 1.18 1.22 1.26 1.31 1.36 1.40 1.46
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
504 538 575 612 648 680 712 740 764 792 816 840 868 892 916 936 956 976 1000 1016 1036
5.5 4.5 3.5 3.0 5.5 5.0 4.5 3.5 3.0 2.5 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 4.0 3.5 3.5
0.47 0.51 0.55 0.60 0.67 0.73 0.78 0.84 0.89 0.94 1.00 1.05 1.11 1.16 1.23 1.28 1.35 1.41 1.46 1.51 1.56
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
521 554 592 624 660 692 720 748 776 800 828 852 876 900 924 944 968 988 1008 1028 1048
5.5 4.5 3.5 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.5 3.0
0.51 0.56 0.61 0.66 0.72 0.77 0.82 0.88 0.94 0.99 1.06 1.14 1.21 1.27 1.32 1.39 1.44 1.50 1.55 1.59 1.65
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
538 571 608 640 672 704 732 760 788 812 836 864 888 912 932 956 976 1000 1020 1036 1056
5.0 4.0 3.0 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 3.0
0.57 0.62 0.67 0.72 0.77 0.83 0.90 0.96 1.03 1.08 1.15 1.20 1.25 1.33 1.40 1.48 1.56 1.62 1.67 1.71 1.75
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
550 583 616 648 684 712 740 768 796 820 848 872 896 920 940 964 988 1008 1028 1044 1064
4.5 3.5 2.5 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5
0.62 0.66 0.72 0.78 0.83 0.89 0.95 1.02 1.08 1.15 1.22 1.30 1.37 1.44 1.51 1.58 1.66 1.70 1.75 1.79 1.84
Turns Open
bhp
Sheave/Motor
rpm
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
567 600 632 664 696 724 752 780 808 832 856 884 908 932 952 976 1000 1016 1036 1056 1076
4.0 3.0 5.5 5.0 4.5 3.5 3.0 2.5 2.0 1.5 1.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 3.0 2.5
0.68 0.73 0.78 0.83 0.89 0.97 1.05 1.13 1.18 1.24 1.30 1.35 1.42 1.51 1.60 1.68 1.76 1.80 1.85 1.88 1.92
Turns Open
bhp
Sheave/Motor
rpm
B
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
C
583 616 648 680 712 740 768 796 820 844 872 896 916 940 964 984 1008 1028 1048 1064 1084
3.5 2.5 5.5 5.0 4.0 3.5 3.0 2.5 1.5 1.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.5
0.75 0.81 0.88 0.93 1.00 1.05 1.12 1.18 1.25 1.32 1.38 1.45 1.53 1.61 1.67 1.75 1.80 1.86 1.92 2.00 2.03
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
E
E
604 636 668 696 728 752 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1096
3.0 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0
0.80 0.86 0.93 0.99 1.07 1.15 1.23 1.28 1.34 1.39 1.44 1.52 1.61 1.69 1.78 1.86 1.91 1.96 2.01 2.06 2.12
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
E
E
E
620 652 684 712 740 768 796 820 844 868 892 916 940 960 984 1008 1028 1048 1064 1084 1104
2.5 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.5 2.0
0.89 0.96 1.03 1.09 1.15 1.22 1.27 1.35 1.42 1.48 1.55 1.63 1.71 1.80 1.87 1.95 2.01 2.07 2.13 2.19 2.25
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
E
E
E
E
E
636 668 696 724 752 780 804 832 856 880 904 924 948 972 992 1016 1036 1056 1076 1096 1112
6.0 5.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 2.0
0.95 1.02 1.09 1.17 1.24 1.32 1.38 1.43 1.48 1.53 1.61 1.70 1.80 1.88 2.00 2.04 2.11 2.18 2.25 2.32 2.38
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
E
E
652 684 712 740 764 792 816 840 864 888 912 936 960 980 1004 1024 1044 1064 1084 1104 1120
5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 3.0 2.5 2.5 2.0 1.5
1.05 1.13 1.19 1.25 1.31 1.37 1.44 1.51 1.57 1.64 1.74 1.82 1.91 2.01 2.08 2.14 2.21 2.27 2.33 2.41 2.48
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
C
C
C
C
C
E
E
E
E
E
E
E
E
668 696 724 752 776 804 828 852 876 900 924 944 968 992 1012 1032 1052 1072 1092 1112 1128
5.0 4.5 4.0 3.5 3.0 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 3.5 3.5 3.0 3.0 2.5 2.0 2.0 1.5
1.12 1.18 1.26 1.34 1.41 1.48 1.54 1.61 1.67 1.73 1.82 1.90 1.97 2.06 2.14 2.21 2.29 2.36 2.44 2.53 2.61
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
E
E
E
680 708 736 764 788 816 840 864 888 908 932 956 976 1000 1020 1040 1060 1080 1100 1120 1136
5.0 4.0 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5
1.23 1.29 1.35 1.41 1.47 1.56 1.64 1.70 1.79 1.87 2.00 2.02 2.10 2.17 2.24 2.31 2.38 2.46 2.54 2.64 2.72
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
E
E
E
E
E
696 724 752 776 804 828 852 872 896 920 944 964 988 1008 1028 1048 1068 1088 1108 1128 1144
4.5 4.0 3.5 3.0 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.5 4.0 3.5 3.0 3.0 2.5 2.5 2.0 1.5 1.5
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, E = High RPM/Large
Motor
15
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Table 8 — 50RTP08 Blower Performance Data (cont)
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4 1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
1.29 1.37 1.44 1.52 1.59 1.67 1.74 1.82 1.89 2.00 2.04 2.12 2.20 2.28 2.36 2.44 2.52 2.60 2.67 2.77 2.84
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
E
E
E
E
E
E
3800
3900
4000
712 740 764 792 816 840 864 888 908 932 952 976 1000 1020 1040 1060 1080 1100 1116 1136 1152
Turns Open
bhp
4.0
3.5
3.0
2.5
2.0 1.5
6.0
5.5
5.0
4.5
4.5
4.0
3.5
3.0
3.0 2.5
2.5
2.0
2.0
1.5
1.0
—
—
—
—
—
—
—
—
1.41 1.48 1.54 1.61 1.70 1.78 1.84 1.93 2.01 2.08 2.17 2.26 2.33 2.41 2.49 2.57 2.65 2.74 2.81 2.89
Sheave/Motor
rpm
A
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
E
E
E
E
728 752 776 804 828 852 872 896 920 940 964 988 1008 1028 1048 1068 1088 1108 1124 1144
Turns Open
bhp
4.0
3.0
2.5
2.0
1.5 1.0
5.5
5.5
5.0
4.5
4.0
4.0
3.5
3.0
3.0 2.5
2.0
2.0
1.5
1.0
—
—
—
—
1.48 1.56 1.64 1.71 1.80 1.88 2.00 2.03 2.12 2.19 2.27 2.35 2.43 2.52 2.61 2.69 2.78 2.86 2.93
Sheave/Motor
rpm
A
A
A
A
A
C
E
E
E
E
E
E
E
E
E
D
E
E
E
740 768 792 816 840 864 888 908 932 952 976 996 1016 1036 1056 1076 1096 1116 1132
3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 2.0 1.5
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, E = High RPM/Large
Motor
16
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Table 9 — 50RTP10 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
0.66 0.71 0.76 0.81 0.86 0.94 1.02 1.1 1.17 1.22 1.27 1.32 1.39 1.48 1.56 1.65 1.74 1.78 1.83 1.86 1.91
B
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
571 604 636 668 700 728 756 784 812 836 860 884 908 932 952 976 1000 1020 1040 1056 1076
5.5 5.0 4.0 3.0 2.0 6.0 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0
0.73 0.79 0.85 0.91 0.98 1.04 1.10 1.16 1.23 1.29 1.36 1.43 1.50 1.58 1.64 1.72 1.78 1.84 1.89 1.95 2.01
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
592 624 656 684 716 744 772 800 824 848 872 896 920 944 964 988 1008 1028 1048 1068 1088
5.0 4.5 3.5 2.5 6.0 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5
0.78 0.84 0.90 0.97 1.04 1.12 1.20 1.27 1.32 1.37 1.42 1.49 1.58 1.66 1.75 1.84 1.89 1.94 2.00 2.05 2.10
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
608 640 672 704 728 756 784 812 836 860 884 908 932 952 976 1000 1020 1040 1060 1080 1100
4.5 4.0 3.0 2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5
0.87 0.93 1.01 1.08 1.14 1.20 1.26 1.33 1.39 1.46 1.53 1.61 1.68 1.77 1.86 1.92 1.98 2.04 2.10 2.16 2.23
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
628 656 688 716 744 772 800 824 848 872 896 920 940 964 988 1008 1028 1048 1068 1088 1108
4.0 3.5 2.5 1.5 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5
0.94 1.01 1.07 1.15 1.23 1.30 1.37 1.42 1.47 1.52 1.59 1.69 1.77 1.86 1.96 2.03 2.10 2.16 2.23 2.30 2.36
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
644 676 704 732 760 784 812 836 860 884 908 932 952 976 1000 1020 1040 1060 1080 1100 1116
3.5 3.0 2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0
1.03 1.12 1.18 1.24 1.30 1.36 1.43 1.49 1.56 1.63 1.72 1.80 1.90 1.99 2.07 2.13 2.19 2.26 2.32 2.40 2.47
Turns Open
bhp
Sheave/Motor
rpm
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
660 692 720 744 772 800 824 848 872 896 920 940 964 988 1008 1028 1048 1068 1088 1108 1124
3.5 2.5 6.0 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0
1.11 1.17 1.25 1.33 1.40 1.47 1.53 1.60 1.66 1.73 1.80 1.89 1.97 2.05 2.12 2.20 2.27 2.35 2.42 2.51 2.59
Turns Open
bhp
Sheave/Motor
rpm
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
676 704 732 760 784 812 836 860 884 908 928 952 976 996 1016 1036 1056 1076 1096 1116 1132
3.0 2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0
1.22 1.28 1.35 1.40 1.46 1.54 1.62 1.70 1.77 1.85 1.94 2.00 2.09 2.17 2.24 2.31 2.38 2.46 2.52 2.62 2.72
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
692 720 748 772 800 824 848 872 892 916 940 960 984 1008 1028 1048 1068 1088 1104 1124 1144
2.5 6.0 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5
1.28 1.35 1.43 1.51 1.58 1.66 1.73 1.81 1.87 1.96 2.04 2.10 2.19 2.26 2.34 2.42 2.50 2.58 2.66 2.75 2.84
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
708 732 760 788 812 836 860 884 904 928 952 972 996 1016 1036 1056 1076 1096 1112 1132 1152
2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5
1.39 1.46 1.53 1.60 1.68 1.76 1.83 1.91 2.00 2.08 2.16 2.24 2.32 2.40 2.48 2.56 2.64 2.72 2.81 2.88 3.00
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
E
720 748 772 800 824 848 868 892 916 940 960 984 1004 1024 1044 1064 1084 1104 1124 1140 1160
5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 2.0 1.5
1.47 1.54 1.62 1.70 1.78 1.86 1.95 2.01 2.10 2.17 2.26 2.33 2.41 2.50 2.59 2.68 2.76 2.85 2.93 3.00 3.07
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
E
E
736 760 788 812 836 860 884 904 928 948 972 992 1012 1032 1052 1072 1092 1112 1132 1148 1168
5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.0 2.0 1.5 1.5
1.56 1.66 1.74 1.82 1.89 1.97 2.03 2.12 2.20 2.29 2.36 2.46 2.53 2.62 2.72 2.81 2.90 3.00 3.06 3.12 3.20
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
E
E
E
E
748 776 800 824 848 872 892 916 936 960 980 1004 1020 1040 1060 1080 1100 1120 1140 1156 1176
5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0
1.64 1.72 1.81 1.90 1.97 2.06 2.15 2.23 2.31 2.38 2.46 2.56 2.66 2.76 2.86 3.00 3.03 3.11 3.18 3.26 3.34
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
E
764 788 812 836 856 880 904 924 948 968 988 1012 1032 1052 1072 1088 1108 1128 1144 1164 1184
0.66 0.71 0.76 0.81 0.86 0.94 1.02 1.1 1.17 1.22 1.27 1.32 1.39 1.48 1.56 1.65 1.74 1.78 1.83 1.86 1.91
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, E = High RPM/Large
Motor
17
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Table 9 — 50RTP10 Blower Performance Data (cont)
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4 1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
1.76 1.84 1.93 2.00 2.08 2.17 2.25 2.34 2.42 2.50 2.60 2.70 2.80 2.90 3.00 3.10 3.16 3.24 3.31 3.39 3.45
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
E
E
4300
4400
4500
4600
4700
4800
4900
5000
776 800 824 844 868 892 912 936 956 976 1000 1020 1040 1060 1080 1100 1116 1136 1152 1172 1188
4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0 1.0
1.86 1.95 2.04 2.12 2.22 2.32 2.4 2.48 2.57 2.65 2.74 2.84 3.00 3.04 3.14 3.23 3.30 3.38 3.44 3.52 3.58
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
C
C
C
C
E
E
E
E
E
E
E
E
E
788 812 836 856 880 904 924 944 968 988 1008 1028 1048 1068 1088 1108 1124 1144 1160 1180 1196
4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5 1.0
1.96 2.06 2.15 2.23 2.33 2.43 2.52 2.61 2.69 2.78 2.88 3.00 3.08 3.18 3.28 3.35 3.44 3.53 3.61 3.70
Turns Open
bhp
1.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Sheave/Motor
rpm
A
A
A
A
A
A
A
C
C
C
C
E
E
E
E
E
E
E
E
E
800 824 848 868 892 916 936 956 976 996 1016 1036 1056 1076 1096 1112 1132 1152 1168 1188
4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.5 1.0
2.12 2.20 2.30 2.38 2.47 2.56 2.64 2.73 2.83 2.92 3.00 3.10 3.20 3.30 3.40 3.49 3.60 3.68 3.79 3.88
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
E
E
E
E
820 840 864 884 908 928 948 968 992 1012 1028 1048 1068 1088 1108 1124 1144 1160 1180 1196
3.5 3.0 3.0 2.5 2.0 1.5 1.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5 1.0
2.23 2.31 2.40 2.50 2.59 2.68 2.76 2.85 3.00 3.04 3.14 3.24 3.34 3.42 3.53 3.62 3.73 3.84 3.93
Turns Open
bhp
1.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Sheave/Motor
rpm
A
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
E
E
E
832 852 876 900 920 940 960 980 1000 1020 1040 1060 1080 1096 1116 1132 1152 1172 1188
3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0 1.0
2.35 2.46 2.55 2.65 2.73 2.81 2.89 3.00 3.06 3.16 3.26 3.34 3.44 3.55 3.64 3.76 3.86 3.98 4.08
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
E
E
E
E
844 868 888 912 932 952 972 992 1012 1032 1052 1068 1088 1108 1124 1144 1160 1180 1196
Turns Open
bhp
3.0
2.5
2.0
1.5
1.5 5.0
4.5
4.5
4.0
3.5
3.5
3.0
2.5
2.5
2.0 1.5
1.5
1.0
1.0
—
—
—
—
—
—
—
—
2.49 2.58 2.68 2.77 2.85 3.00 3.03 3.12 3.22 3.30 3.40 3.50 3.60 3.70 3.82 3.91 4.03 4.13
Sheave/Motor
rpm
A
A
A
A
A
E
E
E
E
E
E
E
E
E
E
E
E
E
860 880 904 924 944 964 984 1004 1024 1040 1060 1080 1100 1116 1136 1152 1172 1188
3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0 1.0
2.63 2.72 2.81 2.91 3.00 3.09 3.18 3.28 3.36 3.46 3.56 3.66 3.75 3.87 3.96 4.08 4.18 4.28
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
E
E
E
E
E
E
E
E
E
E
E
E
E
E
876 896 916 936 956 976 996 1016 1032 1052 1072 1092 1108 1128 1144 1164 1180 1196
2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5 1.0 1.0
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, E = High RPM/Large
Motor
18
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Table 10 — 50RTP12 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
0.86 0.93 1.01 1.10 1.18 1.26 1.36 1.46 1.57 1.68 1.77 1.86 1.94 2.03 2.14 2.27 2.38 2.52 2.70 2.86 3.04
B
B
B
B
B
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
E
3600
3800
4000
4200
4400
4600
4800
5000
5200
5400
5600
5800
6000
640 672 704 732 760 788 816 840 868 896 924 952 980 1008 1036 1068 1096 1124 1160 1192 1228
5.5 5.0 4.0 3.0 2.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0
1.06 1.15 1.24 1.33 1.41 1.51 1.59 1.69 1.77 1.87 1.95 2.03 2.13 2.23 2.36 2.49 2.60 2.74 2.88 3.04 3.18
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
E
E
672 704 732 760 788 816 840 868 892 920 944 968 996 1020 1048 1076 1100 1128 1156 1188 1216
5.0 4.0 3.0 2.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 1.0 6.0 5.5 5.0 4.0 3.5 3.0 2.5 2.0 2.0
1.23 1.31 1.41 1.51 1.61 1.69 1.77 1.87 1.96 2.04 2.13 2.22 2.32 2.44 2.56 2.70 2.81 2.92 3.04 3.16 3.30
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
E
E
E
708 732 760 788 816 840 864 892 916 940 964 988 1012 1036 1060 1088 1112 1136 1164 1192 1216
4.0 3.0 2.0 6.0 5.0 4.5 4.0 3.0 2.5 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5
1.25 1.4 1.59 1.71 1.79 1.87 1.97 2.06 2.14 2.24 2.34 2.44 2.55 2.66 2.75 2.86 3.00 3.12 3.25 3.38 3.52
Turns Open
bhp
Sheave/Motor
rpm
B
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
696 736 784 816 840 864 892 916 936 960 984 1008 1032 1056 1076 1100 1124 1148 1172 1196 1220
3.5 3.0 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5
1.56 1.69 1.79 1.88 1.96 2.04 2.14 2.24 2.35 2.45 2.54 2.65 2.74 2.85 2.96 3.07 3.20 3.34 3.45 3.59 3.74
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
E
752 784 812 836 860 884 908 932 956 980 1000 1024 1044 1068 1092 1112 1136 1160 1180 1204 1228
2.5 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.0 6.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0
1.77 1.88 1.96 2.05 2.13 2.22 2.33 2.42 2.53 2.62 2.75 2.85 3.00 3.11 3.22 3.32 3.44 3.54 3.64 3.78 3.92
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
E
E
E
780 808 832 856 880 904 928 948 972 992 1016 1036 1060 1084 1104 1124 1148 1168 1188 1212 1232
1.5 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 2.0 1.5 1.0
1.98 2.08 2.17 2.27 2.37 2.48 2.57 2.67 2.76 2.89 3.00 3.11 3.22 3.33 3.44 3.55 3.68 3.79 3.9 4.04 4.18
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
E
E
E
808 832 856 880 904 928 948 972 992 1016 1036 1056 1076 1096 1116 1136 1160 1180 1200 1220 1240
5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.0 1.5 1.0
2.18 2.30 2.41 2.52 2.61 2.71 2.80 2.89 3.01 3.12 3.23 3.34 3.46 3.57 3.69 3.81 3.93 4.05 4.18 4.32
Turns Open
bhp
1.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Sheave/Motor
rpm
A
A
A
A
A
A
A
C
E
E
E
E
E
E
E
E
E
E
E
E
828 856 880 904 924 948 968 988 1012 1032 1052 1072 1092 1112 1132 1152 1172 1192 1212 1232
4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5
2.41 2.50 2.60 2.72 2.82 2.94 3.04 3.17 3.29 3.44 3.58 3.70 3.82 3.92 4.01 4.13 4.23 4.33 4.47
Turns Open
bhp
1.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Sheave/Motor
rpm
A
A
A
A
A
A
E
E
E
E
E
E
E
E
E
E
E
E
E
852 876 900 924 944 968 988 1012 1032 1056 1080 1100 1120 1136 1152 1172 1188 1204 1224
4.0 3.5 2.5 2.0 1.0 1.0 6.0 5.5 5.0 4.5 4.0 4.0 3.0 3.0 2.5 2.0 2.0 1.5 1.0
2.64 2.75 2.87 3.00 3.10 3.20 3.30 3.41 3.52 3.63 3.74 3.86 4.00 4.11 4.25 4.39 4.53 4.64 4.78
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
D
D
E
E
E
E
E
E
E
E
E
E
E
E
E
E
876 900 924 944 968 988 1008 1028 1048 1068 1088 1108 1128 1144 1164 1184 1204 1220 1240
Turns Open
bhp
3.5
3.0
2.0
1.5
1.0 6.0
5.5
5.0
5.0
4.5
4.0
3.5
3.0
2.5
2.5
2.0
1.5
1.0
1.0
—
—
—
—
—
—
—
—
—
—
—
—
2.88 2.98 3.10 3.20 3.32 3.42 3.54 3.66 3.78 3.90 4.03 4.14 4.28 4.42 4.53 4.67 4.78 4.92
Sheave/Motor
rpm
A
D
D
D
E
E
E
E
E
E
E
E
E
E
E
E
E
E
896 916 940 960 984 1004 1024 1044 1064 1084 1104 1120 1140 1160 1176 1196 1212 1232
Turns Open
bhp
3.0
2.5
1.5
1.0
6.0 5.5
5.5
5.0
4.5
4.0
3.5
3.0
3.0
2.5
2.0
1.5
1.5
—
—
—
—
—
—
—
—
1.0
—
—
—
—
—
—
—
—
3.12 3.25 3.36 3.47 3.60 3.72 3.84 3.96 4.08 4.18 4.31 4.45 4.56 4.70 4.84 4.96
Sheave/Motor
rpm
D
D
D
E
E
E
E
E
E
E
E
E
E
E
E
E
912 936 956 976 1000 1020 1040 1060 1080 1096 1116 1136 1152 1172 1192 1208
Turns Open
bhp
2.5
2.0
1.0
6.0
6.0 5.5
5.0
4.5
4.0
4.0
3.5
3.0
2.5
2.0
—
—
—
—
1.5
—
—
—
—
1.5
—
—
—
—
3.36 3.49 3.63 3.74 3.86 3.99 4.12 4.25 4.37 4.48 4.62 4.76 4.88
Sheave/Motor
rpm
D
D
D
E
E
E
E
E
E
E
E
E
E
928 952 976 996 1016 1036 1056 1076 1096 1112 1132 1152 1168
2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.0
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, D = Standard RPM/
Large Motor, E = High RPM/Large Motor
19
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Table 11 — 50RTP14 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.3
—
—
—
—
—
—
—
—
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4 1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
0.83 0.91 0.99 1.06 1.15 1.25 1.35 1.45 1.54 1.64 1.72 1.82 1.91 1.99 2.06 2.14 2.22
B
B
B
A
A
A
A
A
A
A
A
C
C
C
C
C
C
4200
4400
4600
4800
5000
5200
5400
5600
5800
6000
6200
575 612 644 676 708 736 764 792 816 840 860 884 908 928 944 964 984
5.5 4.0 3.0 6.0 5.0 4.5 3.5 2.5 2.0 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0
0.89 0.98 1.08 1.17 1.25 1.34 1.43 1.52 1.63 1.74 1.85 1.94 2.04 2.12 2.20 2.28 2.36
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
C
C
C
C
C
C
C
587 620 656 688 716 744 772 800 824 848 872 892 916 936 956 976 996
5.0 4.0 2.5 5.5 4.5 4.0 3.0 2.5 2.0 1.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0
Turns Open
bhp
0.86 0.95 1.06 1.16 1.28 1.36 1.43 1.50 1.60 1.73 1.85 1.98 2.10 2.18 2.26 2.34 2.42 2.50
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
C
C
C
C
C
C
C
558 596 632 664 700 728 752 780 808 832 856 880 904 924 944 964 984 1004
6.0 4.5 3.5 2.5 5.0 4.5 4.0 3.0 2.0 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5
0.93 1.01 1.13 1.24 1.34 1.42 1.49 1.57 1.68 1.81 1.93 2.06 2.18 2.27 2.37 2.47 2.56 2.66
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
571 604 640 676 708 736 760 788 816 840 864 888 912 932 952 972 992 1012
5.5 4.5 3.0 6.0 5.0 4.0 3.5 3.0 2.0 1.5 6.0 5.0 4.5 4.5 4.0 3.5 3.0 2.5
1.03 1.13 1.25 1.36 1.45 1.54 1.62 1.71 1.83 1.99 2.12 2.26 2.35 2.46 2.54 2.63 2.72 2.83
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
583 616 652 688 716 744 768 796 820 848 872 896 916 940 960 980 1000 1020
5.0 4.0 2.5 5.5 4.5 4.0 3.5 2.5 2.0 1.0 5.5 5.0 4.5 4.0 3.5 3.0 3.0 2.5
1.02 1.11 1.22 1.34 1.47 1.58 1.69 1.78 1.90 2.00 2.13 2.23 2.34 2.45 2.59 2.70 2.84 3.00 3.03
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
558 596 628 660 696 724 752 776 804 828 856 880 904 924 948 968 992 1012 1028
6.0 4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0
1.12 1.21 1.33 1.43 1.54 1.65 1.76 1.86 1.99 2.12 2.26 2.41 2.54 2.65 2.77 2.88 3.00 3.10 3.19
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
C
C
C
C
C
E
E
E
571 604 640 672 704 732 760 784 812 836 860 888 912 932 956 976 1000 1020 1036
5.5 4.5 3.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 1.0 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0
1.23 1.33 1.43 1.54 1.66 1.79 1.91 2.04 2.17 2.27 2.38 2.50 2.63 2.79 3.00 3.09 3.24 3.32 3.41
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
C
C
C
C
E
E
E
E
E
583 616 648 680 712 740 764 792 820 844 868 896 916 940 964 984 1008 1024 1044
5.0 4.0 3.0 5.5 5.0 4.0 3.5 2.5 2.0 1.5 6.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5 2.0
1.22 1.31 1.42 1.54 1.65 1.77 1.89 2.01 2.12 2.28 2.41 2.55 2.71 2.83 3.00 3.14 3.27 3.40 3.47 3.57
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
563 596 628 660 692 720 748 776 800 828 852 876 904 924 948 972 992 1016 1032 1052
5.5 4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5
1.33 1.43 1.53 1.63 1.74 1.90 2.06 2.21 2.33 2.46 2.56 2.67 2.81 3.00 3.15 3.33 3.48 3.57 3.66 3.74
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
C
E
E
E
E
E
E
E
E
575 608 640 672 704 732 760 788 812 840 864 888 912 932 956 980 1000 1020 1040 1060
5.5 4.0 3.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 1.0 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5
1.35 1.44 1.56 1.69 1.82 1.95 2.07 2.18 2.30 2.45 2.59 2.72 2.86 3.05 3.14 3.29 3.44 3.56 3.68 3.79 3.90
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
558 587 620 652 684 716 744 768 796 824 848 872 896 920 940 964 988 1008 1028 1048 1068
6.0 5.0 4.0 2.5 5.5 4.5 4.0 3.5 2.5 2.0 1.5 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 2.0 1.5
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, D = Standard RPM/
Large Motor, E = High RPM/Large Motor
20
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Table 11 — 50RTP14 Blower Performance Data (cont)
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
1.43 1.54 1.66 1.78 1.90 2.05 2.21 2.37 2.52 2.62 2.73 2.83 2.95 3.13 3.28 3.47 3.65 3.76 3.87 3.97 4.08
B
B
B
B
A
A
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
6400
6600
6800
7000
571 604 636 664 696 724 752 780 808 832 856 880 904 928 948 972 996 1016 1036 1056 1076
5.5 4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0
1.55 1.68 1.83 1.96 2.12 2.24 2.36 2.47 2.61 2.74 3.00 3.01 3.17 3.34 3.48 3.66 3.82 3.94 4.06 4.16 4.28
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
D
E
E
E
E
E
E
E
E
E
E
583 616 648 676 708 736 764 788 816 840 864 888 912 936 956 980 1004 1024 1044 1060 1080
5.0 4.0 3.0 6.0 5.0 4.0 3.5 3.0 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5 2.0 1.5 1.0
1.68 1.80 1.94 2.08 2.23 2.37 2.52 2.68 2.79 3.00 3.07 3.10 3.28 3.47 3.63 3.82 3.97 4.11 4.25 4.38 4.52
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
D
D
E
E
E
E
E
E
E
E
E
E
600 628 660 692 720 744 772 800 824 848 872 896 920 944 964 988 1008 1028 1048 1068 1088
4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 2.0 1.0 1.0 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5 1.0
1.79 1.97 2.12 2.3 2.4 2.53 2.65 2.76 2.9 3.10 3.17 3.31 3.50 3.66 3.86 4.05 4.18 4.31 4.44 4.57 4.69
Turns Open
bhp
Sheave/Motor
rpm
B
B
A
A
A
A
A
A
A
D
E
E
E
E
E
E
E
E
E
E
E
612 644 672 704 728 756 784 808 832 856 880 904 928 948 972 996 1016 1036 1056 1076 1096
4.0 3.0 6.0 5.0 4.5 3.5 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 1.0
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, D = Standard RPM/
Large Motor, E = High RPM/Large Motor
21
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Table 12 — 50RTP20 Blower Performance Data
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
—
—
—
—
—
—
—
—
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4 1.5
1.6
1.7
1.8
1.9
2.0
bhp
Sheave/Motor
rpm
1.50 1.60 1.71 1.85 2.01 2.17 2.32 2.42 2.53 2.63 2.75 2.93 3.12 3.27 3.45 3.55 3.64 3.73 3.81 3.88
B
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
6,000
6,200
6,400
6,600
6,800
7,000
7,200
7,400
7,600
7,800
8,000
8,200
8,400
632 664 696 724 752 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1092
6.0 5.5 4.5 3.5 2.5 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.0 4.0
1.67 1.80 1.93 2.06 2.18 2.30 2.43 2.57 2.70 2.84 2.98 3.14 3.26 3.42 3.56 3.68 3.77 3.88 3.99 4.11
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
648 680 712 740 768 796 820 844 868 892 916 940 960 984 1008 1028 1044 1064 1084 1104
5.5 5.0 3.5 3.0 2.0 5.5 5.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5
Turns Open
bhp
1.66 1.79 1.90 2.05 2.21 2.37 2.52 2.62 2.73 2.83 2.95 3.13 3.32 3.47 3.65 3.76 3.87 3.97 4.08 4.18 4.33
Sheave/Motor
rpm
B
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
636 668 696 724 752 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1096 1116
Turns Open
bhp
6.0
1.85
B
5.0
2
4.5
3.5
2.5 6.0
5.5
4.5
4.0
3.5
2.5
2.0
1.5
1.0
0.0 5.5
5.0
4.5
4.0
3.5
3.5
2.13 2.26 2.38 2.50 2.63 2.77 2.90 3.04 3.20 3.37 3.51 3.68 3.85 3.97 4.09 4.18 4.30 4.43 4.59
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
652 684 712 740 768 796 820 844 868 892 916 940 960 984 1008 1028 1048 1064 1084 1104 1124
5.5 4.5 3.5 3.0 2.0 5.5 5.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 4.5 4.5 4.0 3.5 3.0
2.00 2.14 2.28 2.43 2.57 2.72 2.82 2.93 3.03 3.15 3.34 3.54 3.70 3.89 4.03 4.16 4.30 4.44 4.57 4.73 4.86
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
672 704 728 756 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1096 1116 1132
5.0 4.0 3.0 2.5 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0
2.21 2.35 2.47 2.58 2.70 2.83 2.97 3.10 3.24 3.41 3.60 3.76 3.95 4.13 4.26 4.36 4.49 4.62 4.76 5.00 5.07
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
688 716 744 768 796 820 844 868 892 916 940 960 984 1008 1028 1044 1064 1084 1104 1124 1140
4.5 3.5 2.5 2.0 5.5 5.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5 3.0 3.0
2.34 2.5 2.66 2.79 2.94 3.07 3.17 3.30 3.43 3.60 3.77 3.92 4.09 4.24 4.39 4.55 4.70 4.85 5.03 5.17 5.36
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
E
E
E
704 732 760 784 812 836 856 880 904 928 952 972 996 1016 1036 1056 1076 1096 1116 1132 1152
4.0 3.0 2.0 6.0 5.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 2.5
2.57 2.69 2.80 2.92 3.08 3.25 3.41 3.57 3.71 3.87 4.04 4.17 4.34 4.48 4.63 4.77 4.91 5.08 5.24 5.44 5.60
Turns Open
bhp
Sheave/Motor
rpm
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
E
E
E
E
720 748 772 800 824 848 872 896 916 940 964 984 1008 1028 1048 1068 1088 1108 1124 1144 1160
3.5 2.5 1.5 5.5 5.0 4.0 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5
2.72 2.88 3.01 3.18 3.31 3.46 3.62 3.77 3.94 4.07 4.24 4.37 4.53 4.69 4.85 5.01 5.17 5.35 5.53 5.68 5.86
Turns Open
bhp
Sheave/Motor
rpm
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
736 764 788 816 836 860 884 908 932 952 976 996 1016 1036 1056 1076 1096 1116 1136 1152 1172
3.0 2.0 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.5 0.5 0.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0
2.95 3.10 3.23 3.39 3.55 3.72 3.88 4.02 4.20 4.34 4.51 4.66 4.82 4.98 5.14 5.30 5.47 5.61 5.79 5.96 6.10
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
E
752 780 804 828 852 876 900 920 944 964 988 1008 1028 1048 1068 1088 1108 1124 1144 1164 1180
2.5 6.0 5.5 4.5 4.0 3.5 3.0 2.0 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5 2.0
3.13 3.30 3.46 3.59 3.76 3.92 4.09 4.23 4.40 4.55 4.72 4.90 5.07 5.25 5.42 5.60 5.73 5.89 6.05 6.18 6.34
Turns Open
bhp
Sheave/Motor
rpm
B
A
A
A
A
A
A
A
A
A
A
C
E
E
E
E
E
E
E
E
E
768 796 820 840 864 888 912 932 956 976 1000 1020 1040 1060 1080 1100 1116 1136 1156 1172 1192
2.0 5.5 5.0 4.5 4.0 3.0 2.5 2.0 1.0 0.5 0.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.0 1.5
3.37 3.53 3.68 3.84 3.99 4.15 4.30 4.48 4.64 4.79 5.00 5.17 5.36 5.54 5.73 5.86 6.02 6.18 6.31 6.47 6.60
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
A
A
E
E
E
E
E
E
E
E
E
E
E
784 808 832 856 880 904 924 948 968 988 1012 1032 1052 1072 1092 1108 1128 1148 1164 1184 1200
Turns Open
bhp
6.0
5.5
4.5
4.0
3.5 2.5
2.0
1.5
1.0
0.5
5.5
5.0
4.5
4.5
4.0 3.5
3.0
2.5
2.5
2.0
1.5
—
—
—
—
3.52 3.70 3.88 4.07 4.22 4.40 4.54 4.71 4.86 5.00 5.20 5.40 5.60 5.80 6.00 6.16 6.32 6.45 6.61 6.74
Sheave/Motor
rpm
A
A
A
A
A
A
A
A
A
D
E
E
E
E
E
E
E
E
E
E
800 824 848 872 892 916 936 960 980 1000 1020 1040 1060 1080 1100 1120 1140 1156 1176 1192
5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.0 0.5 0.0 5.5 5.0 4.5 4.0 3.5 3.0 3.0 2.5 2.0 1.5
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, D = Standard RPM/
Large Motor, E = High RPM/Large Motor
22
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Table 12 — 50RTP20 Blower Performance Data (cont)
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(cfm)
ESP
0.0
0.1
0.2
0.3
0.4 0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
bhp
Sheave/Motor
rpm
3.80 3.97 4.11 4.28 4.46 4.62 4.78 5.00 5.14 5.32 5.52 5.72 5.92 6.12 6.30 6.46 6.58 6.74 6.87
A
A
A
A
A
A
A
D
D
E
E
E
E
E
E
E
E
E
E
8,600
8,800
9,000
9,200
9,400
9,600
9,800
10,000
816 840 860 884 908 928 948 972 992 1012 1032 1052 1072 1092 1112 1132 1148 1168 1184
5.0 4.5 4.0 3.0 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0 2.0
4.06 4.25 4.41 4.60 4.76 5.00 5.11 5.27 5.44 5.64 5.84 6.04 6.24 6.43 6.56 6.72 6.88 7.01 7.17
Turns Open
bhp
Sheave/Motor
rpm
A
A
A
A
A
D
D
D
D
E
E
E
E
E
E
E
E
E
E
832 856 876 900 920 944 964 984 1004 1024 1044 1064 1084 1104 1120 1140 1160 1176 1196
4.5 4.0 3.5 3.0 2.0 1.5 1.0 0.5 0.0 5.5 5.0 4.5 4.0 3.5 3.0 3.0 2.5 2.0
4.30 4.50 4.66 4.86 5.04 5.21 5.39 5.56 5.76 5.96 6.16 6.36 6.56 6.71 6.89 7.07 7.21 7.39
Turns Open
bhp
1.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Sheave/Motor
rpm
A
A
A
A
D
D
D
D
E
E
E
E
E
E
E
E
E
E
848 872 892 916 936 956 976 996 1016 1036 1056 1076 1096 1112 1132 1152 1168 1188
4.0 3.5 3.0 2.5 2.0 1.0 0.5 0.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 2.5
4.62 4.78 5.00 5.15 5.32 5.48 5.65 5.84 6.04 6.24 6.44 6.64 6.81 7.02 7.20 7.41
Turns Open
bhp
2.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Sheave/Motor
rpm
A
A
D
D
D
D
D
E
E
E
E
E
E
E
E
E
868 888 912 932 952 972 992 1012 1032 1052 1072 1092 1108 1128 1144 1164
3.5 3.0 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0
4.87 5.07 5.25 5.42 5.60 5.77 5.96 6.16 6.36 6.56 6.72 6.92 7.15 7.33
Turns Open
bhp
2.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Sheave/Motor
rpm
A
D
D
D
D
D
D
E
E
E
E
E
E
E
884 908 928 948 968 988 1008 1028 1048 1068 1084 1104 1124 1140
Turns Open
bhp
3.0
2.5
2.0
1.5
1.0 0.5
0.0
5.0
5.0
4.5
4.0
3.5
3.0
3.0
—
—
—
—
—
—
—
—
—
—
—
—
5.23 5.39 5.55 5.71 5.87 6.04 6.24 6.44 6.64 6.80 7.00 7.24 7.43
Sheave/Motor
rpm
D
D
D
D
D
D
E
E
E
E
E
E
E
904 924 944 964 984 1004 1024 1044 1064 1080 1100 1120 1136
Turns Open
bhp
2.5
2.0
1.5
1.0
0.5 0.0
5.5
5.0
4.5
4.0
3.5
3.0
—
—
—
—
—
—
—
—
3.0
—
—
—
—
—
—
—
—
5.50 5.67 5.85 6.02 6.20 6.40 6.60 6.80 6.96 7.16 7.39
Sheave/Motor
rpm
D
D
D
D
D
E
E
E
E
E
E
920 940 960 980 1000 1020 1040 1060 1076 1096 1116
Turns Open
bhp
2.0
1.5
1.0
0.5
0.0 5.5
5.0
4.5
4.0
4.0
—
—
—
—
3.5
—
—
—
—
5.85 6.00 6.18 6.36 6.56 6.76 6.96 7.16 7.32
Sheave/Motor
rpm
D
D
D
D
E
E
E
E
E
940 956 976 996 1016 1036 1056 1076 1092
1.5 1.0 0.5 0.0 5.5 5.0 4.5 4.0 4.0
Turns Open
LEGEND
bhp — Brake Horsepower
ESP — External Static Pressure
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
NOTES:
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, D = Standard RPM/
Large Motor, E = High RPM/Large Motor
23
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Complete C
a50-8553
LEGEND
BC
— Blower Contactor
Field Line Voltage Wiring
Field Low Voltage Wiring
Printed Circuit Trace
Optional Wiring
Ground
CB
— Circuit Breaker
CC
CO
ECR
FP1
FP2
GFI
HP
JW3
LAR
LOC
MAS
OAT
PDB
RVS
TB
— Compressor Contactor
— Sensor, Condensate Overflow
— Enthalpy Control Relay
— Sensor, Water Coil Freeze Protection
— Sensor, Air Coil Freeze Protection
— Ground Fault Interrupter
— High-Pressure Switch
— Clippable Field Selection Jumper
— Low Ambient Relay
— Loss of Charge Pressure Switch
— Mixed Air Sensor
Solenoid Coil
Relay Contacts - N.O.
Relay Contacts - N.C.
Temperature Switch
Switch - Low Pressure
Switch - High Pressure
Wire Nut
Relay/Contactor Coil
Thermistor
Condensate Pan
Circuit Breaker
— Outdoor Air Thermostat
— Power Distribution Block
— Reversing Valve Solenoid
— Terminal Block
TRANS — Transformer
Factory Line Voltage Wiring
Factory Low Voltage Wiring
NOTES:
5. Typical heat pump thermostat wiring shown. Refer to thermostat
installation instructions for wiring to the unit. Thermostat wiring
must be “Class 1” and voltage rating equal to or greater than unit
supply voltage.
1. Compressor and blower motor thermally protected internally.
2. All wiring to the unit must comply with NEC (National Electrical
Code) and local codes.
3. 208/230-v transformers will be connected for 208-v operation. For
230-v operation, disconnect RED lead at L1, and attach ORG
lead to L1. Close open end of RED lead.
4. FPI thermistor provides freeze protection for WATER. When using
ANTIFREEZE solutions, cut JW3 jumper.
6. Factory cut JW1 jumper and dry contact will be available between
AL1 and AL2.
7. Transformer secondary ground via Complete C board standoffs
and screws to control box. (Ground available from top two stand-
offs as shown.)
Fig. 6 — 50RTP03-06 Units — Typical Control Wiring with Complete C Control
24
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a50-8554
25
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a50-8555
Complete C
Complete C
50RTP03-06 UNITS
Complete C 1
Complete C 2
Complete C 2
Complete C 1
50RTP08-20 UNITS
Fig. 8 — Typical Control Wiring with Complete C and LON Controller
26
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Deluxe D
a50-8556
LEGEND
BC
— Blower Contactor
Field Line Voltage Wiring
Field Low Voltage Wiring
Printed Circuit Trace
Optional Wiring
Ground
CB
— Circuit Breaker
CC
— Compressor Contactor
— Sensor, Condensate Overflow
— Enthalpy Control Relay
— Sensor, Water Coil Freeze Protection
— Sensor, Air Coil Freeze Protection
— Ground Fault Interrupter
— High-Pressure Switch
Solenoid Coil
CO
ECR
FP1
FP2
GFI
HP
Relay Contacts - N.O.
Relay Contacts - N.C.
Temperature Switch
Switch - Low Pressure
Switch - High Pressure
Wire Nut
Relay/Contactor Coil
Thermistor
HPWR — High Pressure Water Relay
HPWS — High Pressure Water Switch
Condensate Pan
Circuit Breaker
JW3
LAR
LOC
MAR
MO
— Clippable Field Selection Jumper
— Low Ambient Relay
— Loss of Charge Pressure Switch
— Mixed Air Relay
— Motorized Outside Air Damper
— Motorized Valve
MV
OAT
PDB
RVS
— Outdoor Air Thermostat
— Power Distribution Block
— Reversing Valve Solenoid
TRANS — Transformer
Factory Line Voltage Wiring
Factory Low Voltage Wiring
NOTES:
must be “Class 1” and voltage rating equal to or greater than unit
supply voltage.
6. Factory cut JW1 jumper and dry contact will be available between
AL1 and AL2.
1. Compressor and blower motor thermally protected internally.
2. All wiring to the unit must comply with NEC (National Electrical
Code) and local codes.
3. 208/230-v transformers will be connected for 208-v operation. For
230-v operation, disconnect RED lead at L1, and attach ORG
lead to L1. Close open end of RED lead.
7. Transformer secondary ground via Complete C board standoffs
and screws to control box. (Ground available from top two stand-
offs as shown.)
4. FPI thermistor provides freeze protection for WATER. When using
ANTIFREEZE solutions, cut JW3 jumper.
8. Suffix 1 designates association with lead compressor. Suffix 2
designates association with lag compressor.
5. Typical heat pump thermostat wiring shown. Refer to thermostat
installation instructions for wiring to the unit. Thermostat wiring
9. For water valve option, DIP switch 2.1 ON, 2.2 OFF, 2.3 ON.
Fig. 9 — 50RTP03-06 Units — Typical Control Wiring with Deluxe D Controls
27
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a50-8557
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a50-8558
Deluxe D
Deluxe D
SIZES 03-06
Deluxe D 1 Deluxe D 2
SIZES 08-20
Fig. 11 — Typical Control Wiring with Deluxe D and LON Controller
29
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COMPLETE
C
CONTROL
PREMIER
LINK
PWR
Y
HS1/EXH/RVS
W
CR
CR
O
G
R
C
LEGEND
CR — Control Relay
CMP1
FAN
LWT — Leaving Water Temperature Sensor
SAT — Supply Air Temperature Sensor
SPT — Space Temperature Sensor
AL1
AL2
A
NOTE: Reversing valve is on in Cooling
mode.
J5
J6
J4
L
W
T
S
P
T
S
A
T
Fig. 12 — Premierlink™ Controller Applications Wiring with Complete C Control
PREMIER
LINK
PWR
DELUXE
D
CONTROL
Y1
Y2
HS2
HS1
W1
O/W2
G
LEGEND
CMP2
CMP1
FAN
LWT — Leaving Water Temperature Sensor
SAT — Supply Air Temperature Sensor
SPT — Space Temperature Sensor
NOTE: Reversing valve is on in Cooling
mode.
R
C
AL1
J5
J6
J4
L
W
T
S
P
T
S
A
T
Fig. 13 — Premierlink Controller Applications Wiring with Deluxe D Control
30
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A50-8355
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A50-8354
32
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D B
8
7
6
4
5 3
1
2
1
D
L E
1
2
4
3
1
2
G n d
n e R t +
R n e
+ 1 2
N
E
E E G R
W H I T
- t
B L A C K
R E
V
D
To WSHP Controller
Rnet Terminals (J13)
33
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Step 8 — Connect Low Voltage Wiring
THERMOSTAT CONNECTIONS — The thermostat should
be wired directly to the Aquazone™ control board. See
Fig. 17-19.
CompleteC 1 CompleteC 2
THERMOSTAT
Y
Y
Y1
Compressor-Stage 1
Compressor-Stage 2
Reversing Valve
Fan
WATER FREEZE PROTECTION — The Aquazone control
allows the field selection of source fluid freeze protection
points through jumpers. The factory setting of jumper JW3
(FP1) is set for water at 30 F. In earth loop applications, jumper
JW3 should be clipped to change the setting to 13 F when
using antifreeze in colder earth loop applications. See Fig. 20.
Y2
O
G
R
O
G
R
C
O
G
R
24Vac Hot
C
24Vac Com
C
AL
AL
AL
AIR COIL FREEZE PROTECTION — The air coil freeze
protection jumper JW2 (FP2) is factory set for 30 F and should
not need adjusting, unless using anti-freeze.
Fig. 18 — Thermostat Wiring to Complete C Board
ACCESSORY CONNECTIONS — Terminal labeled A on
the control is provided to control accessory devices such as
water valves, electronic air cleaners, humidifiers, etc. This sig-
nal operates with the compressor terminal. See Fig. 21. Refer
to the specific unit wiring schematic for details.
NOTE: The A terminal should only be used with 24 volt
signals — not line voltage signals.
WATER SOLENOID VALVES — Water solenoid valves may
be used on primary secondary pump and ground water installa-
tions. A typical well water control valve wiring which can
limit waste water in a lockout condition is shown in Fig. 21. A
slow closing valve may be required to prevent water hammer.
When using a slow closing valve, special wiring conditions
need to be considered. The valve takes approximately 60 sec-
onds to open (very little water will flow before 45 seconds) and
it activates the compressor only after the valve is completely
opened by closing its end switch. When wired as shown, the
valve will have the following operating characteristics:
Deluxe D 1
Deluxe D 2
THERMOSTAT
COM 2
COM 2
Y
Y1
Y1
Y2
O
Compressor-Stage 1
Y2
O
G
R
Compressor-Stage 2
Reversing Valve
Fan
O
G
R
G
24Vac Hot
R
C
C
24Vac Com
C
AL
AL1
AL1
Fig. 19 — Thermostat Wiring to Deluxe D Board
1. Remain open during a lockout.
2. Draw approximately 25 to 35 VA through the “Y” signal
of the thermostat.
IMPORTANT: This can overheat the anticipators of
electromechanical thermostats. Only use relay based
electronic thermostats.
Capacitor
Circ Brkr
Grnd
Contactor-CC
L2
L1
AQUAZONE CONTROL (C Control Shown)
BR
Fig. 20 — Typical Aquazone Control Board
Jumper Locations
Transformer
Aquazone “C”
TERMINAL STRIP P2
See Note
Low Voltage
Connector
CB
THERMOSTAT
WIRED DIRECTLY
TO CONTROL
BOARD
C
TYPICAL
WATER
VALVE
24 VAC
A
NOTE: Low voltage connector may be removed for easy installation.
Fig. 17 — Low Voltage Field Wiring
Fig. 21 — Typical D Control Accessory Wiring
34
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PRE-START-UP
IMPORTANT: Jumpers and DIP switches should only
be clipped when power to control board has been turned
off.
System Checkout — When the installation is complete
and the system is cleaned and flushed, follow the System
Checkout procedure outlined below.
1. Voltage: Ensure that the voltage is within the utilization
Complete C Control Jumper Settings (See
Fig. 6 and 7)
WATER COIL FREEZE PROTECTION (FP1) LIMIT
SETTING — Select jumper 3, (JW3-FP1 Low Temp) to
choose FP1 limit of 10 F or 30 F. To select 30 F as the limit,
DO NOT clip the jumper. To select 10 F as the limit, clip the
jumper.
AIR COIL FREEZE PROTECTION (FP2) LIMIT SET-
TING — Select jumper 2 (JW2-FP2 Low Temp) to choose
FP2 limit of 10 F or 30 F. To select 30 F as the limit, DO NOT
clip the jumper. To select 10 F as the limit, clip the jumper.
ALARM RELAY SETTING — Select jumper 1 (JW1-AL2
Dry) for connecting alarm relay terminal (AL2) to 24 vac (R)
or to remain as a dry contact (no connection). To connect AL2
to R, do not clip the jumper. To set as dry contact, clip the
jumper.
range specifications of the unit compressor and fan motor.
2. System Water Temperature: Ensure that the system
water temperature is within an acceptable range to facili-
tate start-up. (When conducting this check, also verify
proper heating and cooling set points.)
3. System Water pH: Verify system water acidity
(pH = 7.5 or 8.5). Proper pH promotes the longevity of
hoses and heat exchangers.
4. System Flushing: Properly clean and flush the system
periodically. Ensure that all supply and return hoses are
connected end-to-end to facilitate system flushing and
prevent fouling of the heat exchanger by system water.
Water used in the system must be potable and should not
contain dirt, piping slag, and chemical cleaning agents.
5. Closed-Type Cooling Tower or Open Tower with Heat
Exchanger: Check equipment for proper temperature set
points and operation.
Complete C Control DIP Switches — The Com-
plete C control has 1 DIP switch block with two switches. See
Fig. 6 and 7.
PERFORMANCE MONITOR (PM) — DIP switch 1 will
enable or disable this feature. To enable the PM, set the switch
to ON. To disable the PM, set the switch to OFF.
STAGE 2 — DIP switch 2 will enable or disable compressor
delay. Set DIP switch to OFF for stage 2 in which the compres-
sor will have a 3-second delay before energizing.
6. Verify Balanced Water Flow Rate to Heat Pump.
7. Standby Pump: Verify that the standby pump is properly
installed and in operating condition.
8. Access Panels: Assure that all access panels in the filter
and fan section are securely closed.
9. Air Dampers: Assure that all air dampers are properly
set.
10. System Controls: To ensure that no catastrophic system
failures occur, verify that system controls are functioning
and that the sequencing is correct.
11. Freeze Protection for Water System: Verify that freeze
protection is provided for the building loop water system
when outdoor design conditions require it. Inadequate
freeze protection can lead to expensive tower and system
piping repairs.
NOTE: The alarm relay will not cycle during Test mode if
switch is set to OFF, stage 2.
Deluxe D Control Jumper Settings (See Fig. 9
and 10)
WATER COIL FREEZE PROTECTION (FP1) LIMIT
SETTING — Select jumper 3, (JW3-FP1 Low Temp) to
choose FP1 limit of 10 F or 30 F. To select 30 F as the limit, DO
NOT clip the jumper. To select 10 F as the limit, clip the jumper.
AIR COIL FREEZE PROTECTION (FP2) LIMIT SET-
TING — Select jumper 2 (JW2-FP2 Low Temp) to choose
FP2 limit of 10 F or 30 F. To select 30 F as the limit, DO NOT
clip the jumper. To select 10 F as the limit (for anti-freeze sys-
tems), clip the jumper.
ALARM RELAY SETTING — Select jumper 4 (JW4-AL2
Dry) for connecting alarm relay terminal (AL2) to 24 vac (R)
or to remain as a dry contact (no connection). To connect AL2
to R, do not clip the jumper. To set as dry contact, clip the
jumper.
12. System Water Loop: Verify that all air is bled from the
system. Air in the system impedes unit operation and
causes corrosion in the system piping.
13. Unit Filters: To avoid system damage, check that the unit
filter is clean.
14. Unit Fans: Manually rotate fans to assure free rotation.
Ensure that fans are properly secured to the fan shaft. Do
not oil fan motors on start-up since they are lubricated at
the factory.
15. System Control Center: Examine the system control
and alarm panel for proper installation and operation to
ensure control of the temperature set-points for operation
of the system’s heat rejector and boiler (when used).
LOW PRESSURE SETTING — The Deluxe D control can
be configured for Low Pressure Setting (LP). Select jumper 1
(JW1-LP Norm Open) for choosing between low pressure in-
put normally opened or closed. To configure for normally
closed operation, do not clip the jumper. To configure for nor-
mally open operation, clip the jumper.
16. Miscellaneous: Note any questionable aspects of the
installation.
17. Air Coil: To obtain maximum performance, the air coil
should be cleaned before starting the unit. A ten percent
solution of dishwasher detergent and water is recom-
mended for both sides of the coil. Rinse thoroughly with
water.
Deluxe D Control DIP Switches — The Deluxe D
control has 2 DIP switch blocks. Each DIP switch block has 8
switches and is labeled either S1 or S2 on the circuit board.
DIP SWITCH BLOCK 1 (S1) — This set of switches offers
the following options for Deluxe D control configuration:
FIELD SELECTABLE INPUTS
Performance Monitor (PM) — Set switch 1 to enable or dis-
able performance monitor. To enable the PM, set the switch to
ON. To disable the PM, set the switch to OFF.
Compressor Relay Staging Operation — Switch 2 will en-
able or disable compressor relay staging operation. The com-
pressor relay can be set to turn on with stage 1 or stage 2 call
Jumpers and DIP (dual in-line package) switches on the
control board are used to customize unit operation and can be
configured in the field.
35
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from the thermostat. This setting is used with dual stage units
(units with 2 compressors and 2 Deluxe D controls) or in mas-
ter/slave applications. In master/slave applications, each com-
pressor and fan will stage according to its switch 2 setting. If
switch is set to stage 2, the compressor will have a 3-second de-
lay before energizing during stage 2 demand.
Table 13 — DIP Switch Block S2 —
Accessory 1 Relay Options
DIP SWITCH POSITION
ACCESSORY 1
RELAY OPTIONS
1
2
3
Cycle with Fan
Digital NSB
Water Valve — Slow Opening
OAD
On
Off
On
On
On
On
Off
On
On
On
On
Off
NOTE: If DIP switch is set for stage 2, the alarm relay will not
cycle during Test mode.
Heating/Cooling Thermostat Type — Switch 3 provides selec-
tion of thermostat type. Heat pump or heat/cool thermostats
can be selected. Select OFF for heat/cool thermostats. When in
heat/cool mode, Y1 is used for cooling stage 1, Y2 is used for
cooling stage 2, W1 is used for heating stage 1 and O/W2 is
used for heating stage 2. Select ON for heat pump applications.
In heat pump mode, Y1 used is for compressor stage 1, Y2 is
used for compressor stage 2, W1 is used for heating stage 3 or
emergency heat, and O/W2 is used for RV (heating or cooling)
depending upon switch 4 setting.
O/B Thermostat Type — Switch 4 provides selection for heat
pump O/B thermostats. O is cooling output. B is heating out-
put. Select ON for heat pumps with O output. Select OFF for
heat pumps with B output.
LEGEND
NSB — Night Setback
OAD — Outside Air Damper
NOTE: All other DIP switch combinations are invalid.
Table 14 — DIP Switch Block S2 —
Accessory 2 Relay Options
DIP SWITCH POSITION
ACCESSORY 2
RELAY OPTIONS
4
5
6
Cycle with Fan
Digital NSB
Water Valve — Slow Opening
OAD
On
Off
On
On
On
On
Off
On
On
On
On
Off
Dehumidification Fan Mode — Switch 5 provides selection of
normal or dehumidification fan mode. Select OFF for dehu-
midification mode. The fan speed relay will remain OFF dur-
ing cooling stage 2. Select ON for normal mode. The fan speed
relay will turn on during cooling stage 2 in normal mode.
LEGEND
NSB — Night Setback
OAD — Outside Air Damper
NOTE: All other switch combinations are invalid.
Switch 6 — Not used.
Boilerless Operation — Switch 7 provides selection of boil-
erless operation and works in conjunction with switch 8. In
boilerless operation mode, only the compressor is used for
heating when FP1 is above the boilerless changeover tempera-
ture set by switch 8 below. Select ON for normal operation or
select OFF for boilerless operation.
Boilerless Changeover Temperature — Switch 8 on S1 pro-
vides selection of boilerless changeover temperature set point.
Select OFF for set point of 50 F or select ON for set point
of 40 F.
If switch 8 is set for 50 F, then the compressor will be used
for heating as long as the FP1 is above 50 F. The compressor
will not be used for heating when the FP1 is below 50 F and the
compressor will operates in emergency heat mode, staging on
EH1 and EH2 to provide heat. If a thermal switch is being used
instead of the FP1 thermistor, only the compressor will be used
for heating mode when the FP1 terminals are closed. If the FP1
terminals are open, the compressor is not used and the control
goes into emergency heat mode.
Deluxe D Control Accessory Relay Configura-
tions — The following accessory relay settings are applica-
ble for both Deluxe D controls only:
CYCLE WITH FAN — In this configuration, the relay will be
ON any time the Fan Enable relay is on.
CYCLE WITH COMPRESSOR — In this configuration, the
relay will be ON any time the Compressor relay is on.
DIGITAL NIGHT SET BACK (NSB) — In this configura-
tion, the relay will be ON if the NSB input is connected to
ground C.
NOTE: If there are no relays configured for digital NSB, then
the NSB and OVR inputs are automatically configured for
mechanical operation.
MECHANICAL NIGHT SET BACK — When NSB input is
connected to ground C, all thermostat inputs are ignored. A
thermostat set back heating call will then be connected to the
OVR input. If OVR input becomes active, then the Deluxe D
control will enter Night Low Limit (NLL) staged heating
mode. The NLL staged heating mode will then provide heating
during the NSB period.
DIP SWITCH BLOCK 2 (S2) — This set of DIP switches is
used to configure accessory relay options.
Switches 1 to 3 — These DIP switches provide selection
of Accessory 1 relay options. See Table 13 for DIP switch
combinations.
Water Valve (Slow Opening) — If relay is config-
ured for Water Valve (slow opening), the relay will start 60 sec-
onds prior to starting compressor relay.
Switches 4 to 6 — These DIP switches provide selection
of Accessory 2 relay options. See Table 14 for DIP switch
combinations.
Auto Dehumidification Mode or High Fan Mode — Switch
7 provides selection of auto dehumidification fan mode or high
fan mode. In auto dehumidification fan mode the fan speed re-
lay will remain off during cooling stage 2 if terminal H is ac-
tive. In high fan mode, the fan enable and fan speed relays will
turn on when terminal H is active. Set the switch to ON for
auto dehumidification fan mode or to OFF for high fan mode.
Outside-Air Damper (OAD) — If relay is configured
for OAD, the relay will normally be ON any time the Fan
Enable relay is energized. The relay will not start for 30 min-
utes following a return to normal mode from NSB, when NSB
is no longer connected to ground C. After 30 minutes, the relay
will start if the Fan Enable is set to ON.
CAUTION
To avoid equipment damage, DO NOT leave system filled
in a building without heat during the winter unless anti-
freeze is added to system water. Condenser coils never
fully drain by themselves and will freeze unless winterized
with antifreeze.
Switch 8 — Not used.
36
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1. Connect service gages to suction and discharge pressure
fittings.
2. Energize the compressor.
3. The suction pressure should drop and the discharge
pressure should rise, as is normal on any start-up.
START-UP
Use the procedure outlined below to initiate proper unit
start-up.
NOTE: This equipment is designed for indoor installation only.
Operating Limits
If the suction pressure does not drop and the discharge
pressure does not rise to normal levels:
1. Turn off power to the unit. Install disconnect tag.
2. Reverse any two of the unit power leads.
3. Reapply power to the unit and verify pressures are correct.
The suction and discharge pressure levels should now move
to their normal start-up levels.
When the compressor is rotating in the wrong direction, the
unit makes an elevated level of noise and does not provide
cooling.
ENVIRONMENT — This equipment is designed for outdoor
installation ONLY. Extreme variations in temperature, humidi-
ty and corrosive water or air will adversely affect the unit per-
formance, reliability and service life.
POWER SUPPLY — A voltage variation of ± 10% of name-
plate utilization voltage is acceptable.
UNIT STARTING CONDITIONS — See Table 15 for unit
starting conditions.
Table 15 — Starting Conditions — 50RTP Units
After a few minutes of reverse operation, the scroll com-
pressor internal overload protection will open, thus activating
the unit lockout. This requires a manual reset. To reset, turn the
thermostat on and then off.
NOTE: There is a 5-minute time delay before the compressor
will start.
AIR LIMITS
COOLING
40 F
110 F
HEATING
40 F
80 F
Minimum Entering Air
Maximum Entering Air (db)
WATER LIMITS
Minimum Entering Fluid
Maximum Entering Fluid
40 F
120 F
20 F
90 F
Unit Start-Up Cooling Mode
1. Adjust the unit thermostat to the warmest position.
Slowly reduce the thermostat position until the compres-
sor activates.
2. Check for cool air delivery at unit grille a few minutes
after the unit has begun to operate.
LEGEND
db — Dry Bulb
NOTE: These starting conditions are not normal or continuous
operating conditions. It is assumed that such a start-up is for
the purpose of bringing the building space up to occupancy
temperature. See Table 16 for operating limits.
3. Verify that the compressor is on and that the water flow
rate is correct by measuring pressure drop through the
heat exchanger using P/T plugs. Check the elevation and
cleanliness of the condensate lines; any dripping could be
a sign of a blocked line. Be sure the condensate trap in-
cludes a water seal.
WARNING
When the disconnect switch is closed, high voltage is pres-
ent in some areas of the electrical panel. Exercise caution
when working with the energized equipment.
4. Check the temperature of both supply and discharge
water. If temperature is within range, proceed. If tempera-
ture is outside the range, check the cooling refrigerant
pressures.
5. Air temperature drop across the coil should be checked
when compressor is operating. Air temperature drop
should be between 15 and 25 F.
1. Restore power to system.
2. Turn thermostat fan position to ON. Blower should start.
3. Balance airflow at registers.
4. Adjust all valves to the full open position and turn on the
line power to all heat pump units.
5. Operate unit in the cooling cycle. Room temperature
should be approximately 70 to 75 F dry bulb. Loop water
temperature entering the heat pumps should be between
60 and 110 F.
NOTE: Three factors determine the operating limits of a unit:
(1) entering air temperature, (2) water temperature and (3)
ambient temperature. Whenever any of these factors are at a
minimum or maximum level, the other two factors must be at a
normal level to ensure proper unit operation. See Table 15.
Unit Start-Up Heating Mode
NOTE: Operate the unit in heating cycle after checking the
cooling cycle. Allow five minutes between tests for the pres-
sure or reversing valve to equalize.
1. Turn thermostat to lowest setting and set thermostat
switch to HEAT position.
2. Slowly turn the thermostat to a higher temperature until
the compressor activates.
3. Check for warm air delivery at the unit grille within a few
minutes after the unit has begun to operate.
4. Check the temperature of both supply and discharge
water. If temperature is within range, proceed. If tempera-
ture is outside the range, check the heating refrigerant
pressures.
5. Once the unit has begun to run, check for warm air deliv-
ery at the unit grille.
6. Air temperature rise across the coil should be checked
when compressor is operating. Air temperature rise
should be between 20 and 30 F after 15 minutes at load.
Table 16 — Operating Limits — 50RTP Units
AIR LIMITS
COOLING
60 F
HEATING
50 F
80 F
Minimum Entering Air
Maximum Entering Air (db)
WATER LIMITS
Minimum Entering Fluid
Maximum Entering Fluid
90 F
40 F
120 F
20 F
90 F
LEGEND
db — Dry Bulb
Scroll Compressor Rotation — It is important to be
certain compressor is rotating in the proper direction. To
determine whether or not compressor is rotating in the proper
direction, perform the following procedure.
7. Check for vibration, noise and water leaks.
37
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b. To program the beginning and end dates, scroll
down to the beginning month and press the enter
key. The softkeys (INCR and DECR) will activate
to increment the month in either direction, Jan,
Feb, March, etc.
c. Use number keys to select the day of month and
year.
Unit Start-Up with WSHP Open Controls —
The WSHP Open is a multi-protocol (default BACnet*) con-
troller with extensive features, flexible options and powerful
capabilities. The unit comes from the factory pre-programmed
and needs minimal set up to function in a BAS (Building
Automation System) system or provide additional capabilities
to Carrier's WSHP product line. Most settings on the controller
have factory defaults set for ease of installation. There are a
few settings that must be configured in the field and several
settings that can be adjusted if required by unique job condi-
tions. Refer to Appendix A — WSHP Open Screen Configura-
d. Push the OK softkey to finalize the data.
6. To view configuration settings:
a. Select the Config softkey.
6
tion. In order to configure the unit, a BACview display is
b. Select the Service Config softkey. Scroll through
the factory settings by using the up and down
arrow keys. See below for factory settings.
required. See Fig. 22.
NOTE: If the WSHP Open control has lost its programming,
all display pixels will be displayed on the SPT sensor. See the
WSHP Third Party Integration Guide.
Only the following settings will need to be
checked.
When the unit is OFF, the SPT sensor will indicate OFF.
When power is applied, the SPT sensor will indicate tempera-
ture in the space at 78 F.
• # of Fan Speeds — This should be set to "1" for
units with PSC motors and set to "3" for units with
ECM motors.
• Compressor Stages — This should be set to "1."
• Factory Dehumidification Reheat Coil — This
should be set to "none" unless the modulating hot
water reheat option is supplied in the unit, then set
to "installed."
To start up a unit with WSHP Open controls:
6
1. To plug in the BACview handheld display into a SPT
sensor, point the two ears on the connector up and tilt the
bottom of the plug toward you. Insert the plug up into the
SPT sensor while pushing the bottom of the plug away
from you.
• The condenser water limit needs to be verified
depending on design parameters and application,
whether geothermal or boiler/tower.
6
2. BACview should respond with "Establishing Connec-
tion." The Home screen will then appear on the display
showing operating mode and space temperature. Press
any button to continue.
7. To view unit configuration settings:
a. Select the Unit Configuration softkey, then select
Unit.
See Appendix A — WSHP Open Screen Configuration
for the hierarchal structure of the WSHP Open controller.
All functions of the controller can be set from the Home
screen.
b. Scroll through the unit settings by using the up and
down arrow keys. Unit settings include:
• Fan Mode: Default Continuous
• Fan Delay:
3. When the Login is requested, type 1111 and push the OK
softkey. The Logout will then be displayed to indicate the
password was accepted.
• Minimum SAT Cooling: Default 50 F
• Maximum SAT Heating: Default 110 F
• Filter Service Alarm: Must be set from 0 to 9999 hr
4. To set the Clock if it is not already displayed:
8. To set local schedules:
a. Select System Settings from the Home screen, then
press Clockset.
b. Scroll to hour, minute and second using the arrow
keys. Use the number keypad to set actual time.
c. Scroll to day, month and year using arrow keys.
Use number keypad to set date.
a. Select the Schedule softkey from the Configuration
screen, then press enter.
b. Select Weekly, then press enter (7 schedules
available).
c. Select day and press enter.
d. Press enter again and select ADD or DEL (DECR
or INCR) set schedule.
5. To set Daylight Savings Time (DST):
a. Push the DST softkey. The display will indicate
02:00:060 which is equal to 2:00AM.
a50-8444
6
Fig. 22 — BACview Display Interface
*Sponsored by ASHRAE (American Society of Heating, Refrigerating,
and Air Conditioning Engineers).
38
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e. Enter ON/OFF time, then press continue.
f. Press OK to apply and save to a particular day of
the week.
minimum of eight to 24 hours. At the end of this period,
shut off the circulating pump and drain the solution. Re-
peat system cleaning if necessary.
g. Continue to add the same or different schedule spe-
cific days of the week.
CAUTION
To add exceptions to the schedule:
i. Press Add softkey.
To avoid possible damage to piping systems constructed of
plastic piping, DO NOT allow loop temperature to exceed
115 F.
ii. Select exception type from following:
• Date
8. When the cleaning process is complete, remove the short-
circuited hoses. Reconnect the hoses to the proper supply
and return the connections to each of the rooftop units.
Refill the system and bleed off all air.
9. Add antifreeze to the system in climates where ambient
temperature falls below freezing, using the proportion of
antifreeze shown in Table 17. The volume of antifreeze
required will vary based on outdoor design temperature.
• Date Range
• Week-N-Day
• Calender Reference
9. Go back to Home Screen.
6
10. Remove BACview cable from SPT sensor by reversing
the process in Step 1.
11. Perform system test.
10. Test the system pH with litmus paper. The system water
should be slightly alkaline ( pH 7.5 to 8.5). Add chemi-
cals as appropriate to maintain acidity levels.
11. When the system is successfully cleaned, flushed, refilled
and bled, check the main system panels, safety cutouts,
and alarms. Set the controls to properly maintain loop
temperatures.
Flow Regulation — Flow regulation can be accom-
plished by two methods. Most water control valves have a flow
adjustment built into the valve. By measuring the pressure drop
through the unit heat exchanger, the flow rate can be deter-
mined. Adjust the water control valve until the flow of 1.5 to 2
gpm is achieved. Since the pressure constantly varies, two
pressure gages may be needed in some applications.
NOTE: Carrier strongly recommends all piping connections,
both internal and external to the unit, be pressure tested by an
appropriate method prior to any finishing of the interior space
or before access to all connections is limited. Test pressure
may not exceed the maximum allowable pressure for the unit
and all components within the water system.
Carrier will not be responsible or liable for damages from
water leaks due to inadequate or lack of a pressurized leak test,
or damages caused by exceeding the maximum pressure rating
during installation.
An alternative method is to install a flow control device.
These devices are typically an orifice of plastic material de-
signed to allow a specified flow rate that are mounted on the
outlet of the water control valve. Occasionally these valves
produce a velocity noise that can be reduced by applying some
back pressure. To accomplish this, slightly close the leaving
isolation valve of the well water setup.
WARNING
Electrical shock can cause personal injury and death. Shut
off all power to this equipment during installation. There
may be more than one disconnect switch. Tag all discon-
nect locations to alert others not to restore power until
flushing is completed.
CAUTION
Do Not use “Stop-Leak” or any similar chemical agent in
this system. Addition of these chemicals to the loop water
will foul the system and will inhibit unit operation.
System Cleaning and Flushing — Cleaning and
flushing the unit is the single most important step to ensure
proper start-up and continued efficient operation of the system.
Follow the instructions below to properly clean and flush the
system:
Antifreeze — In areas where entering loop temperatures
drop below 40 F or where piping will be routed through areas
subject to freezing, antifreeze is needed.
Alcohols and glycols are commonly used as antifreeze
agents. Freeze protection should be maintained to 15 F below
the lowest expected entering loop temperature. For example, if
the lowest expected entering loop temperature is 30 F, the leav-
ing loop temperature would be 22 to 25 F. Therefore, the freeze
protection should be at 15 F (30 F – 15 F = 15 F).
1. Verify that electrical power to the units is disconnected.
2. Install the system with the supply hose connected directly
to the return riser valve. Use a single length of flexible
hose.
3. Open all air vents. Fill the system with water. Do not al-
low system to overflow. Bleed all air from the system.
Check the system for leaks and repair appropriately.
4. Verify that all strainers are in place. Start the pumps and
systematically check each vent to ensure that all air is
bled from the system.
IMPORTANT: All alcohols should be pre-mixed and
pumped from a reservoir outside of the building or
introduced under water level to prevent fumes.
Calculate the total volume of fluid in the piping system. Use
the percentage by volume in Table 17 to determine the amount
of antifreeze to use. Antifreeze concentration should be
checked from a well mixed sample using a hydrometer to mea-
sure specific gravity.
FREEZE PROTECTION SELECTION — The 30 F FP1 fac-
tory setting (water) should be used to avoid freeze damage to
the unit.
5. Verify that makeup water is available. Adjust makeup
water appropriately to replace the air which was bled
from the system. Check and adjust the water/air level in
the expansion tank.
6. Set the boiler (when used) to raise the loop temperature to
approximately 85 F. Open a drain at the lowest point in
the system. Adjust the makeup water replacement rate to
equal the rate of bleed.
Once antifreeze is selected, the JW3 jumper (FP1) should
be clipped on the control to select the low temperature (anti-
freeze 13 F) set point to avoid nuisance faults.
7. Refill the system and add trisodium phosphate in a pro-
portion of approximately one pound per 150 gallons of
water. Reset the boiler (when used) to raise the loop tem-
perature to about 100 F. Circulate the solution for a
39
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Table 17 — Antifreeze Percentages by Volume
Enable will immediately turn on. If there is a Fan 2 demand,
the Fan Enable and Fan Speed will immediately turn on.
NOTE: DIP switch 5 on S1 does not have an effect upon Fan 1
and Fan 2 outputs.
MINIMUM TEMPERATURE FOR
FREEZE PROTECTION (F)
ANTIFREEZE
Methanol (%)
Propylene Glycol (%)
Ethylene Glycol (%)
0°
25
26
24
10
21
23
20
20
16
19
16
30
10
9
HEATING STAGE 1 — In Heating Stage 1 mode, the Fan
Enable and Compressor relays are turned on immediately.
Once the demand is removed, the relays are turned off and the
control reverts to Standby mode. If there is a master/slave or
dual compressor application, all compressor relays and related
functions will operate per their associated DIP switch 2 setting
on S1.
HEATING STAGE 2 — In Heating Stage 2 mode, the Fan
Enable and Compressor relays remain on. The Fan Speed relay
is turned on immediately and turned off immediately once the
demand is removed. The control reverts to Heating Stage 1
mode. If there is a master/slave or dual compressor application,
all compressor relays and related functions will operate per
their associated DIP switch 2 setting on S1.
HEATING STAGE 3 — In Heating Stage 3 mode, the Fan
Enable, Fan Speed and Compressor relays remain on. The EH1
output is turned on immediately. With continuing Heat Stage 3
demand, EH2 will turn on after 10 minutes. EH1 and EH2 are
turned off immediately when the Heating Stage 3 demand is re-
moved. The control reverts to Heating Stage 2 mode.
Output EH2 will be off if FP1 is greater than 45 F AND
FP2 (when shorted) is greater than 110 F during Heating
Stage 3 mode. This condition will have a 30-second recogni-
tion time. Also, during Heating Stage 3 mode, EH1, EH2, Fan
Enable, and Fan Speed will be ON if G input is not active.
12
Cooling Tower/Boiler Systems — These systems
typically use a common loop maintained at 60 to 90 F. The use
of a closed circuit evaporative cooling tower with a secondary
heat exchanger between the tower and the water loop is recom-
mended. If an open type cooling tower is used continuously,
chemical treatment and filtering will be necessary.
Ground Coupled, Closed Loop and Plateframe
Heat Exchanger Well Systems — These systems al-
low water temperatures from 30 to 110 F. The external loop
field is divided up into 2 in. polyethylene supply and return
lines. Each line has valves connected in such a way that upon
system start-up, each line can be isolated for flushing using
only the system pumps. Air separation should be located in the
piping system prior to the fluid re-entering the loop field.
OPERATION
Power Up Mode — The unit will not operate until all the
inputs, terminals and safety controls are checked for normal
operation.
NOTE: The compressor will have a 5-minute anti-short cycle
upon power up.
EMERGENCY HEAT — In Emergency Heat mode, the Fan
Enable and Fan Speed relays are turned on. The EH1 output is
turned on immediately. With continuing Emergency Heat de-
mand, EH2 will turn on after 5 minutes. Fan Enable and Fan
Speed relays are turned off after a 60-second delay. The control
reverts to Standby mode.
Units with Aquazone™ Complete C Control
STANDBY — Y and W terminals are not active in standby
mode, however the O and G terminals may be active, depend-
ing on the application. The compressor will be off.
COOLING — Y and O terminals are active in Cooling mode.
After power up, the first call to the compressor will initiate a
5 to 80 second random start delay and a 5-minute anti-short
cycle protection time delay. After both delays are complete, the
compressor is energized.
NOTE: On all subsequent compressor calls the random start
delay is omitted.
HEATING STAGE 1 — Terminal Y is active in heating
stage 1. After power up, the first call to the compressor will
initiate a 5 to 80 second random start delay and a 5-minute anti-
short cycle protection time delay. After both delays are
complete, the compressor is energized.
NOTE: On all subsequent compressor calls the random start
delay is omitted.
HEATING STAGE 2 — To enter Stage 2 mode, terminal W is
active (Y is already active). Also, the G terminal must be active
or the W terminal is disregarded. The compressor relay will re-
main on and EH1 is immediately turned on. EH2 will turn on
after 10 minutes of continual stage 2 demand.
NOTE: EH2 will not turn on (or if on, will turn off) if FP1 tem-
perature is greater than 45 F and FP2 is greater than 110 F.
Output EH1, EH2, Fan Enable, and Fan Speed will be ON if
the G input is not active during Emergency Heat mode.
COOLING STAGE 1 — In Cooling Stage 1 mode, the Fan
Enable, compressor and RV relays are turned on immediately.
If configured as stage 2 (DIP switch set to OFF) then the com-
pressor and fan will not turn on until there is a stage 2 demand.
The fan Enable and compressor relays are turned off immedi-
ately when the Cooling Stage 1 demand is removed. The con-
trol reverts to Standby mode. The RV relay remains on until
there is a heating demand. If there is a master/slave or dual
compressor application, all compressor relays and related func-
tions will track with their associated DIP switch 2 on S1.
COOLING STAGE 2 — In Cooling Stage 2 mode, the Fan
Enable, compressor and RV relays remain on. The Fan Speed
relay is turned on immediately and turned off immediately
once the Cooling Stage 2 demand is removed. The control re-
verts to Cooling Stage 1 mode. If there is a master/slave or dual
compressor application, all compressor relays and related func-
tions will track with their associated DIP switch 2 on S1.
NIGHT LOW LIMIT (NLL) STAGED HEATING — In NLL
staged Heating mode, the override (OVR) input becomes ac-
tive and is recognized as a call for heating and the control will
immediately go into a Heating Stage 1 mode. With an addition-
al 30 minutes of NLL demand, the control will go into Heating
Stage 2 mode. With another additional 30 minutes of NLL
demand, the control will go into Heating Stage 3 mode.
EMERGENCY HEAT — In emergency heat mode, terminal
W is active while terminal Y is not. Terminal G must be active
or the W terminal is disregarded. EH1 is immediately turned
on. EH2 will turn on after 5 minutes of continual emergency
heat demand.
Units with WSHP Open Multiple Protocol —
The WSHP Open multi-protocol controller will control me-
chanical cooling, heating and waterside economizer outputs
based on its own space temperature input and set points. An
Units with Aquazone Deluxe D Control
STANDBY/FAN ONLY — The compressor will be off. The
Fan Enable, Fan Speed, and reversing valve (RV) relays will be
on if inputs are present. If there is a Fan 1 demand, the Fan
optional CO IAQ (indoor air quality) sensor mounted in the
2
space can maximize the occupant comfort. The WSHP Open
controller has its own hardware clock that is automatically set
40
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when the heat pump software is downloaded to the board. Oc-
cupancy types are described in the scheduling section below.
The following sections describe the functionality of the WSHP
Open multi-protocol controller. All point objects referred to in
this sequence of operation will be referenced to the objects as
cooling is started while the Fan Off delay defines the delay
time (0 to 180 seconds; default 45) the fan will continue to op-
erate after heating or cooling is stopped. The fan will continue
to run as long as the compressors, heating stages, or the dehu-
midification relays are on. If the SPT failure alarm or conden-
sate overflow alarm is active; the fan will be shut down imme-
diately regardless of occupancy state or demand.
Fan Speed Control (During Heating) — Whenever heat is re-
quired and active, the control continuously monitors the sup-
ply-air temperature to verify it does not rise above the config-
ured maximum heating SAT limit (110 F default). As the SAT
approaches this value, the control will increase the fan speed as
required to ensure the SAT will remain within the limit. This
feature provides the most quiet and efficient operation by oper-
ating the fan at the lowest speed possible.
Fan Speed Control (During Cooling) — Whenever mechani-
cal cooling is required and active, the control continuously
monitors the supply-air temperature to verify it does not fall be-
low the configured minimum cooling SAT limit (50 F default).
As the SAT approaches this value, the control will increase the
fan speed as required to ensure the SAT will remain within the
limit. The fan will operate at lowest speed to maximize latent
capacity during cooling.
6
viewed in the BACview handheld user interface.
SCHEDULING — Scheduling is used to start/stop the unit
based on a time period to control the space temperature to spec-
ified occupied heating and cooling set points. The controller is
defaulted to control by occupied set points all the time, until ei-
6
ther a time schedule is configured with BACview , Field Assis-
®
tant, i-Vu Open, or a third party control system to enable/dis-
able the BAS (Building Automation System) on/off point. The
local time and date must be set for these functions to operate
properly. The occupancy source can be changed to one of the
following:
Occupancy Schedules — The controller will be occupied 24/7
until a time schedule has been configured using either Field
6
Assistant, i-Vu Open, BACview or a third party control sys-
tem to enable/disable the BAS on/off point. The BAS point can
be disabled by going to Config, then Unit, then Occupancy
Schedules and changing the point from enable to disable then
clicking OK.
NOTE: This point must be enabled in order for the i-Vu Open,
COOLING — The WSHP Open controller will operate one or
two stages of compression to maintain the desired cooling set
point. The compressor outputs are controlled by the PI (propor-
tional-integral) cooling loop and cooling stages capacity algo-
rithm. They will be used to calculate the desired number of
stages needed to satisfy the space by comparing the space tem-
perature (SPT) to the appropriate cooling set point. The water
side economizer, if applicable, will be used for first stage cool-
ing in addition to the compressor(s). The following conditions
must be true in order for the cooling algorithm to run:
6
Field Assistant, or BACview control system to assign a time
schedule to the controller.
Schedule_schedule — The unit will operate according to the
schedule configured and stored in the unit. The schedule is
6
accessible via the BACview Handheld tool, i-Vu Open, or
Field Assistant control system. The daily schedule consists of a
start/stop time (standard or 24-hour mode) and seven days of
the week, starting with Monday and ending on Sunday. To
enter a daily schedule, navigate to Config, then Sched, then
6
enter BACview Admin Password (1111), then go to
• Cooling is set to Enable.
schedule_schedule. From here, enter either a Weekly or Excep-
tion schedule for the unit.
Occupancy Input Contact — The WSHP Open controller has
the capability to use an external dry contact closure to deter-
mine the occupancy status of the unit. The Occupancy Sched-
ules will need to be disabled in order to utilize the occupancy
contact input.
• Heating mode is not active and the compressor time
guard has expired.
• Condensate overflow input is normal.
• If occupied, the SPT is greater than the occupied cooling
set point.
• Space temperature reading is valid.
• If unoccupied, the SPT is greater than the unoccupied
cooling set point.
• If economizer cooling is available and active and the
economizer alone is insufficient to provide enough
cooling.
NOTE: Scheduling can only be controlled from one source.
BAS (Building Automation System) On/Off
—
A
BAS
system that supports network scheduling can control the unit
through a network communication and the BAS scheduling
function once the Occupancy Schedules have been disabled.
• OAT (if available) is greater than the cooling lockout
temperature.
NOTE: Scheduling can either be controlled via the unit or the
BAS, but not both.
INDOOR FAN — The indoor fan will operate in any one of
three modes depending on the user configuration selected.
Fan mode can be selected as Auto, Continuous, or Always
On. In Auto mode, the fan is in intermittent operation during
both occupied and unoccupied periods. Continuous fan mode
is intermittent during unoccupied periods and continuous dur-
ing occupied periods. Always On mode operates the fan con-
tinuously during both occupied and unoccupied periods. In the
default mode, Continuous, the fan will be turned on whenever
any one of the following is true:
If all the above conditions are met, the compressors will be
energized as required, otherwise they will be deenergized. If
cooling is active and should the SAT approach the minimum
SAT limit, the fan will be indexed to the next higher speed.
Should this be insufficient and if the SAT falls further (equal to
the minimum SAT limit), the fan will be indexed to the maxi-
mum speed. If the SAT continues to fall 5F below the mini-
mum SAT limit, all cooling stages will be disabled.
During Cooling mode, the reversing valve output will be
held in the cooling position (either B or O type as configured)
even after the compressor is stopped. The valve will not switch
position until the Heating mode is required.
The configuration screens contain the minimum SAT
parameter as well as cooling lockout based on outdoor-air
temperature (OAT) Both can be adjusted to meet various
specifications.
There is a 5-minute off time for the compressor as well as a
5-minute time delay when staging up to allow the SAT to
achieve a stable temperature before energizing a second stage
of capacity. Likewise, a 45-second delay is used when staging
down.
• The unit is in occupied mode as determined by its occu-
pancy status.
• There is a demand for cooling or heating in the unoccu-
pied mode.
• There is a call for dehumidification (optional).
When power is reapplied after a power outage, there will be
a configured time delay of 5 to 600 seconds before starting the
fan. There are also configured fan delays for Fan On and Fan
Off. The Fan On delay defines the delay time (0 to 30 seconds;
default 10) before the fan begins to operate after heating or
41
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After a compressor is staged off, it may be restarted again
after a normal time-guard period of 5 minutes and if the
supply-air temperature has increased above the minimum
supply-air temperature limit.
The WSHP Open controller provides a status input to moni-
tor the compressor operation. The status is monitored to deter-
mine if the compressor status matches the commanded state.
This input is used to determine if a refrigerant safety switch or
other safety device has tripped and caused the compressor to
stop operating normally. If this should occur, an alarm will be
generated to indicate the faulted compressor condition.
HEATING — The WSHP Open controller will operate one or
two stages of compression to maintain the desired heating set
point. The compressor outputs are controlled by the heating PI
(proportional-integral) loop and heating stages capacity algo-
rithm. They will be used to calculate the desired number of
stages needed to satisfy the space by comparing the space tem-
perature (SPT) to the appropriate heating set point. The follow-
ing conditions must be true in order for the heating algorithm to
run:
connected to a coil on the discharge side of the unit and sup-
plied by a boiler or a single-stage ducted electric heater in order
to maintain the desired heating set point. Should the compres-
sor capacity be insufficient or a compressor failure occurs, the
auxiliary heat will be used. Unless the compressor fails, the
auxiliary heat will only operate to supplement the heat provid-
ed by the compressor if the space temperature falls more than
one degree below the desired heating set point (the amount is
configurable). The heat will be controlled so the SAT will not
exceed the maximum heating SAT limit.
Auxiliary Modulating Hot Water/Steam Heating Reheat
— The control can modulate a hot water or steam valve con-
nected to a coil on the discharge side of the unit and supplied
by a boiler in order to maintain the desired heating set point
should the compressor capacity be insufficient or a compressor
failure occurs. Unless a compressor fault condition exists, the
valve will only operate to supplement heat provided by com-
pressor if the space temperature falls more than one degree be-
low the desired heating set point. The valve will be controlled
so the SAT will not exceed maximum heating SAT limit.
Two-Position Hot Water/Steam Heating Reheat — The con-
trol can operate a two-position, NO or NC, hot water or steam
valve connected to a coil on the discharge side of the unit and
supplied by a boiler in order to maintain the desired heating set
point should the compressor capacity be insufficient or a com-
pressor failure occurs. Unless a compressor fault condition ex-
ists, the valve will only open to supplement the heat provided
by the compressor if the space temperature falls more than one
degree below the desired heating set point. The valve will be
controlled so the SAT will not exceed the maximum heating
SAT limit. The heat stage will also be subject to a 2-minute
minimum OFF time to prevent excessive valve cycling.
Single Stage Electric Auxiliary Heat — The control can op-
erate a field-installed single stage of electric heat installed on
the discharge side of the unit in order to maintain the desired
heating set point should the compressor capacity be insufficient
or a compressor failure occurs. Unless a compressor fault con-
dition exists, the heat stage will only operate to supplement the
heat provided by the compressor if the space temperature falls
more than one degree below the desired heating set point. The
heat stage will be controlled so the SAT will not exceed the
maximum heating SAT limit. The heat stage will also be
subject to a 2-minute minimum OFF time to prevent excessive
cycling.
• Heating is set to Enable.
• Cooling mode is not active and the compressor time
guard has expired.
• Condensate overflow input is normal.
• If occupied, the SPT is less than the occupied heating set
point.
• Space temperature reading is valid.
• If unoccupied, the SPT is less than the unoccupied heat-
ing set point.
• OAT (if available) is less than the heating lockout
temperature.
If all the above conditions are met, the heating outputs will
be energized as required, otherwise they will be deenergized. If
the heating is active and should the SAT approach the maxi-
mum SAT limit, the fan will be indexed to the next higher
speed. Should this be insufficient, and the SAT rises further
reaching the maximum heating SAT limit, the fan will be
indexed to the maximum speed. If the SAT still continues to
rise 5F above the maximum limit, all heating stages will be
disabled.
During Heating mode, the reversing valve output will be
held in the heating position (either B or O type as configured)
even after the compressor is stopped. The valve will not switch
position until the Cooling mode is required.
The configuration screens contain the maximum SAT
parameter as well as heating lockout based on outdoor-air
temperature (OAT); both can be adjusted to meet various
specifications.
There is a 5-minute off time for the compressor as well as a
5-minute time delay when staging up to allow the SAT to
achieve a stable temperature before energizing a second stage
of capacity. Likewise, a 45-second delay is used when staging
down.
After a compressor is staged off, it may be restarted again
after a normal time-guard period of 5 minutes and if the sup-
ply-air temperature has fallen below the maximum supply air
temperature limit.
The WSHP Open controller provides a status input to moni-
tor the compressor operation. The status is monitored to deter-
mine if the compressor status matches the commanded state.
This input is used to determine if a refrigerant safety switch or
other safety device has tripped and caused the compressor to
stop operating normally. If this should occur, an alarm will be
generated to indicate the faulted compressor condition. Also, if
auxiliary heat is available (see below), the auxiliary heat will
operate to replace the reverse cycle heating and maintain the
space temperature as required.
INDOOR AIR QUALITY (IAQ) AND DEMAND CON-
TROLLED VENTILATION (DCV) — If the optional in-
door air quality sensor is installed, the WSHP Open controller
can maintain indoor air quality via a modulating OA damper
providing demand controlled ventilation. The control operates
the modulating OA damper during occupied periods. The con-
trol monitors the CO level and compares it to the configured
2
set points, adjusting the ventilation rate as required. The control
provides proportional ventilation to meet the requirements of
ASHRAE (American Society of Heating, Refrigerating and
Air Conditioning Engineers) specifications by providing a base
ventilation rate and then increasing the rate as the CO level in-
2
creases. The control will begin to proportionally increase venti-
lation when the CO level rises above the start ventilation set
2
point and will reach the full ventilation rate when the CO level
2
is at or above the maximum set point. A user-configurable
minimum damper position ensures that proper base ventilation
is delivered when occupants are not present. The IAQ
configurations can be accessed through the configuration
screen. The following conditions must be true in order for this
algorithm to run:
• Damper control is configured for DCV.
• The unit is in an occupied mode.
• The IAQ sensor reading is greater than the DCV start
control set point.
AUXILIARY HEAT — The WSHP Open controller can con-
trol a two-position, modulating water, or steam valve
42
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The control has four user adjustable set points: DCV start
control set point, DCV maximum control set point, minimum
damper position, and DCV maximum damper position.
Two-Position OA Damper — The control can be configured
to operate a ventilation damper in a two-position ventilation
mode to provide the minimum ventilation requirements during
occupied periods.
WATERSIDE ECONOMIZER — The WSHP Open control-
ler has the capability of providing modulating or two-position
water economizer operation (for a field-installed economizer
coil mounted to the entering air side of the unit and connected
to the condenser water loop) in order to provide free cooling
(or preheating) when water conditions are optimal. Water econ-
omizer settings can be accessed through the equipment status
screen. The following conditions must be true for economizer
operation:
manner except to satisfy the heating requirement. Should the
coil capacity be insufficient to satisfy the space load for more
than 5 minutes, then the compressor will be started to satisfy
the load. Should the SAT reach the maximum heating SAT
limit, the economizer valve will close during compressor oper-
ation.
DEMAND LIMIT — The WSHP Open controller has the
ability to accept three levels of demand limit from the network.
In response to a demand limit, the unit will decrease its heating
set point and increase its cooling set point to widen the range in
order to immediately lower the electrical demand. The amount
of temperature adjustment in response is user adjustable for
both heating and cooling and for each demand level. The re-
sponse to a particular demand level may also be set to zero.
CONDENSER WATER LINKAGE — The control pro-
vides optimized water loop operation using an universal con-
troller (UC) open loop controller. Loop pump operation is auto-
matically controlled by WSHP equipment occupancy sched-
ules, unoccupied demand and tenant override conditions.
Positive pump status feedback prevents nuisance fault trips.
The condenser water linkage operates when a request for con-
denser water pump operation is sent from each WSHP to the
loop controller. This request is generated whenever any WSHP
is scheduled to be occupied, is starting during optimal start (for
warm-up or pull down prior to occupancy), there is an unoccu-
pied heating or cooling demand, or a tenant pushbutton over-
ride. At each WSHP, the water loop temperature and the loop
pump status is given. The WSHP will NOT start a compressor
until the loop pumps are running or will shutdown the com-
pressors should the pumps stop. This prevents the WSHP from
operating without water flow and thus tripping out on refriger-
ant pressure, causing a lockout condition. The WSHP Open
controller control will prevent this from occurring. Also, the
loop controller can be configured to start the pumps only after a
configurable number of WSHPs are requesting operation (from
1-"N"). This can be used to prevent starting the entire loop op-
eration for only one WSHP. Meanwhile, the WSHPs will not
operate if the loop pump status is off and therefore the WSHP
compressor will not run.
• SAT reading is available.
• LWT reading is available.
• If occupied, the SPT is greater than the occupied cooling
set point or less than the occupied heating set point and
the condenser water is suitable.
• Space temperature reading is valid.
• If unoccupied, the SPT is greater than the unoccupied
cooling set point or less than the unoccupied heating set
point and the condenser water is suitable.
Modulating Water Economizer Control — The control has
the capability to modulate a water valve to control condenser
water flowing through a coil on the entering air side of the unit.
Cooling — The purpose is to provide an economizer cooling
function by using the water loop when the entering water loop
temperature is suitable (at least 5° F below space temperature).
If the water loop conditions are suitable, then the valve will
modulate open as required to maintain a supply-air temperature
that meets the load conditions. Should the economizer coil ca-
pacity alone be insufficient for a period greater than 5 minutes,
or should a high humidity condition occur, then the compressor
will also be started to satisfy the load. Should the SAT ap-
proach the minimum cooling SAT limit, the economizer valve
will modulate closed during compressor operation.
Heating — Additionally, the control will modulate the water
valve should the entering water loop temperature be suitable
for heating (at least 5F above space temperature) and heat is
required. The valve will be controlled in a similar manner ex-
cept to satisfy the heating requirement. Should the economizer
coil capacity alone be insufficient to satisfy the space load con-
ditions for more than 5 minutes, then the compressor will be
started to satisfy the load. Should the SAT approach the maxi-
mum heating SAT limit, the economizer valve will modulate
closed during compressor operation.
Two-Position Water Economizer Control — The control has
the capability to control a NO or NC, two-position water valve
to control condenser water flow through a coil on the entering
air side of the unit.
Cooling — The purpose is to provide a cooling economizer
function directly from the condenser water loop when the en-
tering water loop temperature is suitable (at least 5 F below
space temperature). If the optional coil is provided and the wa-
ter loop conditions are suitable, then the valve will open to
provide cooling to the space when required. Should the
capacity be insufficient for a period greater than 5 minutes, or
should a high humidity condition occur, then the compressor
will be started to satisfy the load. Should the SAT reach the
minimum cooling SAT limit, the economizer valve will close
during compressor operation.
SYSTEM TEST
System testing provides the ability to check the control
operation. The control enters a 20-minute Test mode by mo-
mentarily shorting the test pins. All time delays are increased
15 times.
Test Mode — To enter Test mode on Complete C or De-
luxe D controls, cycle the fan 3 times within 60 seconds. The
LED (light-emitting diode) will flash a code representing the
last fault when entering the Test mode. The alarm relay will
also power on and off during Test mode. See Tables 18-20. To
exit Test mode, short the terminals for 3 seconds or cycle the
power 3 times within 60 seconds.
NOTE: The Deluxe D control has a flashing code and alarm
relay cycling code that will both have the same numerical
label. For example, flashing code 1 will have an alarm relay
cycling code 1. Code 1 indicates the control has not faulted
since the last power off to power on sequence.
Retry Mode — In Retry mode, the status LED will start to
flash slowly to signal that the control is trying to recover from
an input fault. The control will stage off the outputs and try to
again satisfy the thermostat used to terminal Y. Once the ther-
mostat input calls are satisfied, the control will continue normal
operation.
NOTE: If 3 consecutive faults occur without satisfying the
thermostat input call to terminal Y, the control will go into
lockout mode. The last fault causing the lockout is stored in
memory and can be viewed by entering Test mode.
Heating — Additionally, the economizer control will open the
water valve should the entering water loop temperature be suit-
able for heating (at least 5 F above space temperature) and
heat is required. The valve will be controlled in a similar
43
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Table 18 — Complete C Control Current LED
Status and Alarm Relay Operations
Table 19 — Complete C Control LED Code and
Fault Descriptions
LED STATUS
DESCRIPTION OF OPERATION
ALARM RELAY
LED
FAULT
DESCRIPTION
CODE
1
Normal Mode
Open
No fault in memory
There has been no fault since
the last power-down to power-up
sequence
Cycle
(closed 5 sec.,
Open 25 sec.)
On
Normal Mode with
PM Warning
2
3
High-Pressure Switch
Low-Pressure Switch
HP Open Instantly
Off
Slow Flash
Fast Flash
Control is non-functional
Fault Retry
Open
Open
LP open for 30 continuous sec-
onds before or during a call
(bypassed for first 60 seconds)
Lockout
Closed
Open
4
5
Freeze Protection Coax
— FP1
FP1 below Temp limit for 30 con-
tinuous seconds (bypassed for
first 60 seconds of operation)
Slow Flash
Over/Under Voltage Shutdown
(Closed after
15 minutes)
Flashing Code 1 Test Mode — No fault in memory
Flashing Code 2 Test Mode — HP Fault in memory
Flashing Code 3 Test Mode — LP Fault in memory
Flashing Code 4 Test Mode — FP1 Fault in memory
Flashing Code 5 Test Mode — FP2 Fault in memory
Flashing Code 6 Test Mode — CO Fault in memory
Cycling Code 1
Cycling Code 2
Cycling Code 3
Cycling Code 4
Cycling Code 5
Cycling Code 6
Freeze Protection Air Coil
— FP2
FP2 below Temp limit for 30 con-
tinuous seconds (bypassed for
first 60 seconds of operation)
6
7
Condensate overflow
Over/Under Voltage
Sense overflow (grounded) for
30 continuous seconds
"R" power supply is <19VAC or
>30VAC
(Autoreset) Shutdown
8
PM Warning
Performance Monitor Warning
has occurred.
Test Mode — Over/Under
Flashing Code 7
Cycling Code 7
Cycling Code 8
Cycling Code 9
shutdown in memory
9
FP1 and FP2 Thermistors FP1 temperature is higher than
are Swapped
Flashing Code 8
Flashing Code 9
Test Mode — PM in memory
FP2 in heating/test mode, or FP2
temperature is higher than FP1
in cooling/test mode.
Test Mode — Test Mode — FP1/
FP2 Swapped Fault in memory
LEGEND
LEGEND
CO
FP
HP
—
—
—
Condensate Overflow
FP
HP
—
—
Freeze Protection
High Pressure
Freeze Protection
High Pressure
LED — Light-Emitting Diode
LED — Light-Emitting Diode
LP
PM
—
—
Low Pressure
LP
PM
—
—
Low Pressure
Performance Monitor
Performance Monitor
NOTES:
1. Slow flash is 1 flash every 2 seconds.
2. Fast flash is 2 flashes every 1 second.
3. EXAMPLE: “Flashing Code 2” is represented by 2 fast flashes followed by a
10-second pause. This sequence will repeat continually until the fault is
cleared.
Table 20 — Aquazone™ Deluxe D Control Current LED Status and Alarm Relay Operations
STATUS LED
(Green)
TEST LED
(Yellow)
DESCRIPTION
Normal Mode
FAULT LED (Red)
Flash Last Fault Code in Memory
Flashing Code 8
ALARM RELAY
On
Off
Open
Cycle (closed 5 sec,
open 25 sec, …)
Normal Mode with PM
On
Off
Deluxe D Control is
non-functional
Off
Off
Off
Open
Test Mode
Night Setback
ESD
Invalid T-stat Inputs
No Fault in Memory
HP Fault
—
On
—
—
Flash Last Fault Code in Memory
Flash Last Fault Code in Memory
Flash Last Fault Code in Memory
Flash Last Fault Code in Memory
Flashing Code 1
Cycling Appropriate Code
Flashing Code 2
Flashing Code 3
Flashing Code 4
On
—
—
—
Open
Open
Open
Open
Open
—
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Slow Flash
Slow Flash
Slow Flash
Slow Flash
Slow Flash
Slow Flash
Fast Flash
Fast Flash
Fast Flash
Fast Flash
Fast Flash
Flashing Code 2
Flashing Code 3
Flashing Code 4
Flashing Code 5
Flashing Code 6
Flashing Code 7
Flashing Code 2
Flashing Code 3
LP Fault
FP1 Fault
FP2 Fault
CO Fault
Open
Over/Under Voltage
HP Lockout
LP Lockout
FP1 Lockout
FP2 Lockout
CO Lockout
Open (closed after 15 minutes)
Closed
Closed
Closed
Closed
Closed
Flashing Code 4
Flashing Code 5
Flashing Code 6
LEGEND
NOTES:
1. If there is no fault in memory, the Fault LED will flash code 1.
2. Codes will be displayed with a 10-second Fault LED pause.
3. Slow flash is 1 flash every 2 seconds.
CO — Condensate Overflow
ESD — Emergency Shutdown
FP
— Freeze Protection
4. Fast flash is 2 flashes every 1 second.
HP — High Pressure
LP — Low Pressure
PM — Performance Monitor
5. EXAMPLE: “Flashing Code 2” is represented by 2 fast flashes fol-
lowed by a 10-second pause. This sequence will repeat continually
until the fault is cleared.
44
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Aquazone™ Deluxe D Control LED Indica-
tors — There are 3 LED indicators on the Deluxe D control.
See Table 20.
Filters — Filters must be clean for maximum performance.
Inspect filters every month under normal operating conditions.
replace when necessary.
STATUS LED — Status LED indicates the current status or
mode of the Deluxe D control. The Status LED light is green.
TEST LED — Test LED will be activated any time the De-
luxe D control is in test mode. The Test LED light is yellow.
FAULT LED — Fault LED light is red. The fault LED will
always flash a code representing the last fault in memory. If
there is no fault in memory, the fault LED will flash code 1 on
and appear as 1 fast flash alternating with a 10-second pause.
See Table 20.
IMPORTANT: Units should never be operated with-
out a filter.
Water Coil — Keep all air out of the water coil. Check
open loop systems to be sure the well head is not allowing air
to infiltrate the water line. Always keep lines airtight.
Inspect heat exchangers regularly, and clean more frequent-
ly if the unit is located in a “dirty” environment. The heat
exchanger should be kept full of water at all times. Open loop
systems should have an inverted P trap placed in the discharge
line to keep water in the heat exchanger during off cycles.
Closed loop systems must have a minimum of 15 psi during
the summer and 40 psi during the winter.
WSHP Open Test Mode — To enter WSHP Open test
6
mode, navigate from the BACview home screen to the
configuration screen. Choose the service screen and enable
unit test. The controller will then test the following:
FAN TEST — Tests all fan speeds, sequences fan from low to
high, and operates each speed for one minute. Resets to disable
on completion.
COMPRESSOR TEST — Tests compressor cooling and
heating operation. Sequences cooling stage 1 then cooling
stage 2 followed by heating stage 2 then reduces capacity to
heating stage 1. Operates for 1 minute per step.
DEHUMIDIFICATION TEST — Tests dehumidification
mode. Operates for 2 minutes.
AUXILIARY HEATING TEST — Tests auxiliary heat. Se-
quences fan on and enables heating coil for 1 minute.
Check P trap frequently for proper operation.
CAUTION
To avoid fouled machinery and extensive unit clean-up,
DO NOT operate units without filters in place. DO NOT
use equipment as a temporary heat source during
construction.
Condensate Drain Pans — Check condensate drain
pans for algae growth twice a year. If algae growth is apparent,
consult a water treatment specialist for proper chemical treat-
ment. The application of an algaecide every three months will
typically eliminate algae problems in most locations.
H O ECONOMIZER TEST — Tests entering/returning
2
water loop economizer operation. Sequences fan and opens
economizer water valve for one minute.
Refrigerant System — Verify air and water flow rates
are at proper levels before servicing. To maintain sealed circuit-
ry integrity, do not install service gages unless unit operation
appears abnormal. Check to see that unit is within the super-
heat and subcooling ranges.
OPEN VENT DAMPER 100% TEST — Tests outside air
(OA) damper operation.
PREPOSITION OA DAMPER — Prepositions OA damper
actuator to set proper preload.
NOTE: The auxiliary heating test, H O economizer test, open
2
Condensate Drain Cleaning — Clean the drain line
and unit drain pan at the start of each cooling season. Check
flow by pouring water into drain. Be sure trap is filled to main-
tain an air seal.
vent damper 100% test, and preposition OA damper features
will not be visible on the screen unless configured.
Once tests are complete, set unit test back to disable. Unit will
automatically reset to disable after 1 hour.
Air Coil Cleaning — Remove dirt and debris from evap-
orator coil as required by condition of the coil. Clean coil with
a stiff brush, vacuum cleaner, or compressed air. Use a fin
comb of the correct tooth spacing when straightening mashed
or bent coil fins.
SERVICE
Perform the procedures outlined below periodically, as
indicated.
Condenser Cleaning — Water-cooled condensers may
require cleaning of scale (water deposits) due to improperly
maintained closed-loop water systems. Sludge build-up may
need to be cleaned in an open water tower system due to
induced contaminants.
IMPORTANT: When a compressor is removed from this
unit, system refrigerant circuit oil will remain in the com-
pressor. To avoid leakage of compressor oil, the refrigerant
lines of the compressor must be sealed after it is removed.
Local water conditions may cause excessive fouling or
pitting of tubes. Condenser tubes should therefore be cleaned at
least once a year, or more often if the water is contaminated.
Proper water treatment can minimize tube fouling and
pitting. If such conditions are anticipated, water treatment
analysis is recommended. Refer to the Carrier System Design
Manual, Part 5, for general water conditioning information.
IMPORTANT: All refrigerant discharged from this unit
must be recovered without exception. Technicians must fol-
low industry accepted guidelines and all local, state and fed-
eral statutes for the recovery and disposal of refrigerants.
IMPORTANT: To avoid the release of refrigerant into the
atmosphere, the refrigerant circuit of this unit must only be
serviced by technicians which meet local, state and federal
proficiency requirements.
CAUTION
Follow all safety codes. Wear safety glasses and rubber
gloves when using inhibited hydrochloric acid solution.
Observe and follow acid manufacturer’s instructions. Fail-
ure to follow these safety precautions could result in per-
sonal injury or equipment or property damage.
IMPORTANT: To prevent injury or death due to electrical
shock or contact with moving parts, open unit disconnect
switch before servicing unit.
45
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Clean condensers with an inhibited hydrochloric acid solu-
tion. The acid can stain hands and clothing, damage concrete,
and, without inhibitor, damage steel. Cover surroundings to
guard against splashing. Vapors from vent pipe are not harmful,
but take care to prevent liquid from being carried over by the
gases.
Warm solution acts faster, but cold solution is just as effec-
tive if applied for a longer period.
GRAVITY FLOW METHOD — Do not add solution faster
than vent can exhaust the generated gases.
GAS VENT
PUMP
PRIMING
CONN.
GLOBE
VALVES
SUCTION
SUPPLY
1” PIPE
PUMP
SUPPORT
CONDENSER
When condenser is full, allow solution to remain overnight,
then drain condenser and flush with clean water. Follow acid
manufacturer’s instructions. See Fig. 23.
TANK
REMOVE WATER
REGULATING VALVE
FORCED CIRCULATION METHOD — Fully open vent
pipe when filling condenser. The vent may be closed when
condenser is full and pump is operating. See Fig. 24.
RETURN
FINE MESH
SCREEN
Regulate flow to condenser with a supply line valve. If
pump is a nonoverloading type, the valve may be fully closed
while pump is running.
Fig. 24 — Forced Circulation Method
For average scale deposit, allow solution to remain in con-
denser overnight. For heavy scale deposit, allow 24 hours.
Drain condenser and flush with clean water. Follow acid manu-
facturer’s instructions.
6. ADD refrigerant to raise the temperature or REMOVE
refrigerant (using standard practices) to lower the temper-
ature (allow a tolerance of ± 3° F), as required.
Refrigerant Charging
WARNING
Checking System Charge — Units are shipped with
full operating charge. If recharging is necessary:
1. Insert thermometer bulb in insulating rubber sleeve on
liquid line near filter drier. Use a digital thermometer for
all temperature measurements. DO NOT use a mercury
or dial-type thermometer.
To prevent personal injury, wear safety glasses and gloves
when handling refrigerant. Do not overcharge system —
this can cause compressor flooding.
2. Connect pressure gage to discharge line near compressor.
NOTE: Do not vent or depressurize unit refrigerant to atmo-
sphere. Remove and recover refrigerant following accepted
practices.
3. After unit conditions have stabilized, read head pressure
on discharge line gage.
NOTE: Operate unit a minimum of 15 minutes before
checking charge.
4. From standard field-supplied Pressure-Temperature chart
for R-410A, find equivalent saturated condensing
temperature.
5. Read liquid line temperature on thermometer; then
subtract from saturated condensing temperature. The dif-
ference equals subcooling temperature.
Air Coil Fan Motor Removal
CAUTION
Before attempting to remove fan motors or motor mounts,
place a piece of plywood over evaporator coils to prevent
coil damage.
Motor power wires need to be disconnected from motor
terminals before motor is removed from unit.
1. Shut off unit main power supply.
2. Loosen bolts on mounting bracket so that fan belt can be
removed.
3. Loosen and remove the 2 motor mounting bracket bolts
on left side of bracket.
4. Slide motor/bracket assembly to extreme right and lift out
through space between fan scroll and side frame. Rest
motor on a high platform such as a step ladder. Do not
allow motor to hang by its power wires.
FILL CONDENSER WITH
CLEANING SOLUTION. DO
PAIL
NOT ADD SOLUTION
MORE RAPIDLY THAN
VENT CAN EXHAUST
GASES CAUSED BY
FUNNEL
CHEMICAL ACTION.
1”
PIPE
VENT
PIPE
5’ APPROX
3’ TO 4’
Replacing the WSHP Open Controller’s Bat-
tery — The WSHP Open controller’s 10-year lithium
CR2032 battery provides a minimum of 10,000 hours of data
retention during power outages.
CONDENSER
NOTE: Power must be ON to the WSHP Open controller
when replacing the battery, or the date, time and trend data will
be lost.
1. Remove the battery from the controller, making note of
the battery's polarity.
PAIL
2. Insert the new battery, matching the battery's polarity
with the polarity indicated on the WSHP Open controller.
Fig. 23 — Gravity Flow Method
46
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TROUBLESHOOTING
Control Sensors — The control system employs 2 nom-
inal 10,000 ohm thermistors (FP1 and FP2) that are used for
freeze protection. Be sure FP1 is located in the discharge fluid
and FP2 is located in the air discharge. See Fig. 25.
When troubleshooting problems with a WSHP, consider the
cuases and solutions in Table 21.
Thermistor — A thermistor may be required for single-
phase units where starting the unit is a problem due to low
voltage.
AIR
COIL
SUCTION
AIRFLOW
(°F)
AIRFLOW
(°F)
COMPRESSOR
THERMISTOR
EXPANSION
VALVE
COAX
DISCHARGE
FP2
FP1
CONDENSATE
OVERFLOW
(CO)
LIQUID
LINE
WATER IN
WATER OUT
AIR COIL
WATER
COIL
PROTECTION
FREEZE
PROTECTION
LEGEND
COAX — Coaxial Heat Exchanger
Airflow
Refrigerant Liquid Line Flow
Fig. 25 — FP1 and FP2 Thermistor Location
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Table 21 — Troubleshooting
FAULT
HEATING COOLING
POSSIBLE CAUSE
SOLUTION
Main Power Problems
X
X
Green Status LED Off
Check line voltage circuit breaker and disconnect.
Check for line voltage between L1 and L2 on the contactor.
Check for 24 VAC between R and C on controller.
Check primary/secondary voltage on transformer.
HP Fault — Code 2
High Pressure
X
X
Reduced or no water flow in Check pump operation or valve operation/setting.
cooling
Check water flow adjust to proper flow rate.
Water temperature out of
range in cooling
Bring water temperature within design parameters.
X
X
Reduced or no airflow in
heating
Check for dirty air filter and clean or replace.
Check fan motor operation and airflow restrictions.
Dirty air coil — construction dust etc.
External static too high. Check Tables 4-12.
Air temperature out of range Bring return air temperature within design parameters.
in heating
X
X
X
X
X
X
X
Overcharged with refrigerant Check superheat/subcooling vs typical operating condition.
Bad HP switch
Insufficient charge
Check switch continuity and operation. Replace.
Check for refrigerant leaks.
LP/LOC Fault — Code 3
Low Pressure/Loss of
Charge
Compressor pump down at Check charge and start-up water flow.
start-up
FP1 Fault — Code 4
Water Freeze Protection
X
Reduced or no water flow in Check pump operation or water valve operation/setting.
heating
Plugged strainer or filter. Clean or replace.
Check water flow adjust to proper flow rate.
X
X
Inadequate antifreeze level Check antifreeze density with hydrometer.
Improper freeze protect set- Clip JW2 jumper for antifreeze (10F) use.
ting (30F vs 10F)
X
X
Water temperature out of
range
Bad thermistor
Reduced or no airflow in
cooling
Bring water temperature within design parameters.
X
X
Check temperature and impedance correlation.
Check for dirty air filter and clean or replace.
Check fan motor operation and airflow restrictions.
External static too high. Check Tables 4-12.
FP2 Fault — Code 5
Air Coil Freeze
Protection
X
X
Air temperature out of range Too much cold vent air. Bring entering air temperature within
design parameters.
Improper freeze protect set- Normal airside applications will require 30F only.
ting (30F vs 10F)
X
X
X
X
X
X
X
Bad thermistor
Blocked drain
Improper trap
Poor drainage
Check temperature and impedance correlation.
Check for blockage and clean drain.
Check trap dimensions and location ahead of vent.
Check for piping slope away from unit.
Condensate Fault —
Code 6
Check slope of unit toward outlet.
Poor venting. Check vent location.
X
X
Moisture on sensor
Under voltage
Check for moisture shorting to air coil.
Check power supply and 24 VAC voltage before and during operation.
Check power supply wire size.
Over/Under Voltage —
Code 7
(Auto Resetting)
X
Check compressor starting.
Check 24 VAC and unit transformer tap for correct power supply voltage.
Check power supply voltage and 24 VAC before and during operation.
Check 24 VAC and unit transformer tap for correct power supply voltage.
Check for poor airflow or overcharged unit.
Check for poor water flow or airflow.
X
X
X
X
Over voltage
Performance Monitor —
Code 8
Heating mode FP2>125F
Cooling mode FP1>125F
OR FP2< 40F
FP1 and FP2
Thermistors — Code 9
X
FP1 temperature is higher
than FP2 temperature
FP2 temperature is higher
than FP1 temperature
Swap FP1 and FP2 thermistors.
Swap FP1 and FP2 thermistors.
X
No Fault Code Shown
Unit Short Cycles
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
No compressor operation
Compressor overload
Control board
Dirty air filter
Unit in 'Test Mode'
Unit selection
Compressor overload
Thermostat position
Unit locked out
Compressor overload
Thermostat wiring
See scroll compressor rotation section.
Check and replace if necessary.
Reset power and check operation.
Check and clean air filter.
Reset power or wait 20 minutes for auto exit.
Unit may be oversized for space. Check sizing for actual load of space.
Check and replace if necessary.
Ensure thermostat set for heating or cooling operation.
Check for lockout codes. Reset power.
Check compressor overload. Replace if necessary.
Only Fan Runs
Check Y and W wiring at heat pump. Jumper Y and R for compressor
operation in Test mode.
LEGEND
RV — Reversing Valve
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Table 21 — Troubleshooting (cont)
FAULT
HEATING COOLING
POSSIBLE CAUSE
SOLUTION
Only Compressor Runs
X
X
X
X
Thermostat wiring
Fan motor relay
Check G wiring at heat pump. Jumper G and R for fan operation.
Jumper G and R for fan operation. Check for line voltage across BR
contacts.
Check fan power enable relay operation (if present).
Check for line voltage at motor. Check capacitor.
Check Y and W wiring at heat pump. Jumper Y and R for compressor
operation in test mode.
X
X
X
X
Fan motor
Thermostat wiring
Unit Does Not Operate in
Cooling
X
Reversing valve
Set for cooling demand and check 24 VAC on RV coil and at control.
If RV is stuck, run high pressure up by reducing water flow and while
operating engage and disengage RV coil voltage to push valve.
X
X
X
Thermostat setup
Thermostat wiring
Dirty filter
Reduced or no airflow in
heating
Check for 'O' RV setup not 'B'.
Check O wiring at heat pump. Jumper O and R for RV coil 'Click'.
Replace or clean.
Check for dirty air filter and clean or replace.
Check fan motor operation and airflow restrictions.
External static too high. Check blower Tables 4-12.
Check for dirty air filter and clean or replace.
Check fan motor operation and airflow restrictions.
External static too high. Check blower Tables 4-12.
Insufficient Capacity/
Not Cooling or Heating
Properly
X
X
X
X
Reduced or no airflow in
cooling
X
Leaky ductwork
Check supply and return air temperatures at the unit and at distant duct
registers if significantly different, duct leaks are present.
X
X
X
X
X
X
Low refrigerant charge
Restricted metering device Check superheat and subcooling. Replace metering device.
Defective reversing valve
Thermostat improperly
located
Check superheat and subcooling .
Perform RV touch test.
Check location and for air drafts behind thermostat.
X
X
X
X
X
X
Unit undersized
Recheck loads and sizing check sensible cooling load and heat pump
capacity.
Perform Scaling check and clean if necessary.
Scaling in water heat
exchanger
Inlet water too hot or cold
Reduced or no airflow in
heating
X
X
Check load, loop sizing, loop backfill, ground moisture.
Check for dirty air filter and clean or replace.
Check fan motor operation and airflow restrictions.
External static too high. Check blower Tables 4-12.
High Head Pressure
X
X
Reduced or no water flow in Check pump operation or valve operation/setting.
cooling
Check water flow and adjust to proper flow rate.
Inlet water too hot
Check load, loop sizing, loop backfill, ground moisture.
X
Air temperature out of range Bring return air temperature within design parameters.
in heating
X
Scaling in water heat
exchanger
Perform Scaling check and clean if necessary.
X
X
X
X
Unit overcharged
Non-condensables in
system
Check superheat and subcooling. Reweigh in charge.
Vacuum system and reweigh in charge.
X
X
X
Restricted metering device Check superheat and subcooling. Replace metering device.
Low Suction Pressure
Reduced water flow in
heating
Check pump operation or water valve operation/setting.
Plugged strainer or filter. Clean or replace.
Check water flow adjust to proper flow rate.
X
Water temperature out of
range
Bring water temperature within design parameters.
X
Reduced airflow in cooling Check for dirty air filter and clean or replace.
Check fan motor operation and airflow restrictions.
External static too high. Check blower Tables 4-12.
X
X
Air temperature out of range Too much cold vent air. Bring entering air temperature within design
parameters.
X
X
X
Insufficient charge
Airflow too high
Poor performance
Airflow too high
Unit oversized
Check for refrigerant leaks.
Check blower Tables 4-12.
See 'Insufficient Capacity'.
Check blower Tables 4-12.
Recheck loads and sizing check sensible cooling load and heat pump
capacity.
Low Discharge Air
Temperature in Heating
High Humidity
X
X
LEGEND
RV — Reversing Valve
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APPENDIX A — WSHP OPEN SCREEN CONFIGURATION
PASSWORD
LEVEL
SCREEN NAME
POINT NAME
EDITABLE
RANGE
DEFAULT
NOTES
Off, Fan Only, Economize,
Cooling, Heating, Cont Fan,
Test, Start Delay, Dehumidify
Operating Mode
Displays unit operating mode
SPT
SAT
F
F
Displays SPT
Displays SAT
Condenser Leaving
Temperature
Displays leaving condenser
water temperature
F
Displays entering condenser
water temperature (Value
will not update when compressor
is operating)
Condenser Entering
Temperature
F
Off/Low Speed/
Medium Speed
High Speed/On
Fan
Displays fan speed status
Equipment
Status
No Password
Required
Compressor Capacity
Damper Position
0 - 100%
0 - 100%
0 - 100%
Displays compressor capacity
Displays current damper position
(Viewable only if Ventilation DMP
Type = 2 position or DCV)
H O Economizer
2
Displays position of economizer valve
Displays position of auxiliary
reheat valve (Viewable only if Leaving
Air Auxiliary Heat Type = 2 position,
1 stage Elect or Modulating)
Auxiliary Heat
0 - 100%
Displays space RH% (Viewable only if
Humidity Sensor = Installed)
Space RH
0 - 100%
Displays if dehumidification is active
(Viewable only if Factory
Dehumidification Reheat = Installed)
Dehumidification
Inactive/Active
IAQ CO
0 - 9999 ppm
Normal/Alarm
Displays the space CO level
2
2
Displays current space
temperature condition
SPT Alarm Status
Displays the SPT that
exceeded the alarm limit (when SPT
alarm above is in Alarm)
Alarming SPT
F
F
Displays the SPT alarm limit that was
exceeded; causing the alarm condition
(when SPT alarm above is in Alarm)
SPT Alarm Limit
Displays the status of the Rnet
SPT sensor - ALARM is displayed
should the sensor fail to communicate
with the control module
SPT Sensor Alarm
Status
Normal/Alarm
IAQ Alarm Status
Normal/Alarm
Normal/Alarm
Normal/Alarm
Normal/Alarm
Current IAQ/ventilation condition
Current compressor condition
Current SAT condition
Compressor Alarm
Status
No Password
Required
Alarm Status
SAT Alarm Status
Condensate Overflow
Alarm Status
Current status of the condensate
drain (overflow switch)
Condenser Water Tem-
perature Alarm Status
Current status of the
condenser water
Normal/Alarm
Filter Alarm Status
Normal/Alarm
Normal/Alarm
Current filter condition
Space RH Alarm Status
Current space RH condition
Current status of the OAT
broadcast function
OAT Alarm Status
Normal/Alarm
Normal/Alarm
Normal/Alarm
Airside Linkage Status
Current linkage status if enabled
Condenser Water
Linkage
Current linkage status if enabled
SAT
F
Display SAT
SAT Offset
X
X
-9.9 - 10.0
F
F
F
0
0
0
F
F
F
Used to correct sensor reading
Leaving Condenser
Water Temperature
Displays Leaving Condenser
Water Temperature
F
Leaving CW Offset
-9.9 - 10.0
Used to correct sensor reading
Sensor
Calibration
Admin Password
level access only
Rnet Sensor
Temperature
F
Displays SPT
Rnet Offset
RH
X
X
-9.9 - 10.0
%
Used to correct sensor reading
Displays Space RH value
RH Sensor Offset
-15% - 15%
0 %
Used to correct sensor reading
LEGEND
BAS — Building Automation System
DCV — Demand Controlled Ventilation
ECM — Electronically Commutated Motor
IAQ — Indoor Air Quality
OAT — Outdoor Air Temperature
RH
— Relative Humidity
SAT — Supply Air Temperature
SPT — Space Temperature
TPI — Third Party Integration
50
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APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)
PASSWORD
LEVEL
SCREEN NAME
POINT NAME
EDITABLE
RANGE
DEFAULT
NOTES
Off, Fan Only,Economize,
Cooling, Heating, Cont Fan, Test,
Start Delay, Dehumidify
Operating Mode
Displays unit operating mode
Displays how the fan is configured
to operate
Fan Operating Mode
Occupancy Status
Auto/Continuous/Always On
Unoccupied/Occupied
Displays the current occupancy status
Always Occupied/Local Schedule/
BACnet Schedule/BAS Keypad/
Occupied Contact/Holiday Schedule/
Override Schedule/Pushbutton
Override/Unoccupied None
Displays the origin of the
occupancy control
Occupancy Control
Outside Air
Displays OAT (Viewable only if OAT
is a network broadcast)
F
F
Temperature
SPT
Displays SPT
Normal/Above Limit/Below
Limit/Sensor Failure
SPT Status
Displays the SPT status
Displays the connection status
of the Rnet sensor
SPT Sensor Status
Condensate Overflow
Cooling Set Point
Inactive/Connected
Normal/Alarm
Displays the status of the
condensate overflow
Displays the actual set point
being used for cooling control
F
F
Displays the actual set point
being used for heating control
Heating Set Point
Unit
Maintenance
No Password
required
Displays the offset values from the Rnet
user set point adjustment that is being
applied to the configured set points
Set Point Adjustment
F
Auxiliary Heat Control
Set Point
Displays the calculated set point being
used for auxiliary heating control
F
F
H O Economizer
2
Control Set Point
Displays the calculated set point being
used for economizer control
Calculated IAQ/
Ventilation Damper
position
Displays the ventilation damper
position calculated by the DCV control
%
Active Compressor
Stages
Displays the actual number of
compressor stages operating
0/1/2
SAT
F
Displays SAT
Used to reset the filter alarm timer after
the filter has been cleaned or replaced
Reset Filter Alarm
X
X
No/Yes
Displays the state of the condensate
overflow switch contact
Overflow Contact
Closed/Open
Closed/Open
Displays the state of the external/
remote occupancy input switch contact
Occupancy Contact
Provides capability to force the
equipment to operate in an
occupied or unoccupied mode
Inactive/Occupied/
Unoccupied
BAS/Keypad Override
OAT Input
Inactive
Displays if an OAT value is being
received from the Network
N/A / Network
BACnet
Keypad Configuration
Password
X
X
X
X
X
X
See TPI
Mapping
Changes password
See TPI
System Settings
Network
BACnet Time Master
Clock Set
See TPI
Changes clock/time setting
Override Schedules
Pushbutton Override
Inactive/Active Occupied
Inactive/Active Occupied
Inactive/Active Occupied/Active
Unoccupied
Keypad Override
Occupancy
Maintenance
No Password
required
Used to display the active and
inactive occupancy control inputs
Schedules
Occupancy Contact
BAS on/off
Inactive/Active Occupied
Inactive/Active Occupied
Inactive/Active Occupied
Local Occupancy
Schedules
X
X
X
X
Disable/Enable
Disable/Enable
Disable/Enable
Disable/Enable
Enable
Disable
Disable
Disable
Local Holiday
Schedules
User/Admin
Password level
access
Used to define which occupancy inputs
are used to determine
Schedule
Configuration
Local Override
Schedules
occupancy mode.
BACnet Occupancy
Schedules
LEGEND
BAS — Building Automation System
DCV — Demand Controlled Ventilation
ECM — Electronically Commutated Motor
IAQ — Indoor Air Quality
OAT — Outdoor Air Temperature
RH
— Relative Humidity
SAT — Supply Air Temperature
SPT — Space Temperature
TPI — Third Party Integration
51
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APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)
PASSWORD
LEVEL
SCREEN NAME
POINT NAME
Occupied Heating
Occupied Cooling
Unoccupied Heating
Unoccupied Cooling
EDITABLE
RANGE
DEFAULT
NOTES
Defines the Occupied
Heating Set Point
X
X
X
X
X
X
40 - 90
55 - 99
40 - 90
55 - 99
F
F
F
F
72
76
55
90
F
F
F
F
Defines the Occupied
Cooling Set Point
Defines the Unoccupied
Heating Set Point
Defines the Unoccupied
Cooling Set Point
Effective Heating
Set Point
Takes into effect bias (maximum
allowable set point deviation)
0 - 10
0 - 10
F
Effective Cooling
Set Point
Takes into effect bias (maximum
allowable set point deviation)
F
Uses historical data to calculate
ramp up time so as to be at set point
at occupied/unoccupied time
Optimal Start
Configuration
Set Points
Defines the control set point used
during occupied periods (Viewable
only if Humidity Sensor = Installed/
Determines when to start
User/Admin
Password level
access
Occupied RH
Set Point
X
0 - 100%
65%
Dehumidification when occupied)
Defines the control set point used
during unoccupied periods
(Viewable only if Humidity Sensor =
Installed/Determines when to start
Dehumidification when unoccupied)
Unoccupied RH
Set Point
X
X
0 - 100%
90%
Defines the control set point used to
start increasing ventilation during
occupied periods (Viewable only if
Ventilation DMP Type = DCV)
DCV CTRL Start
Set Point
0 - 9999 ppm
500 ppm
Defines the control set point
used to define where the ventilation
will reach its maximum limit during
DCV Max CTRL
Set Point
X
0 - 9999 ppm
1050 ppm occupied periods (Viewable only if
Ventilation DMP Type = DCV/Used
to determine DCV ending control
point)
Defines the start time for an
Start Time
End Time
Mon
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
00:00 - 23:59
00:00 - 24:00
No/Yes
06:00
occupied period
Defines the ending time of an
18:00
occupied period
Determines if this day is included
Yes
Configuration
Schedule
in this schedule
Determines if this day is included
Tue
No/Yes
Yes
in this schedule
User/Admin
Password level
access
Determines if this day is included
Wed
No/Yes
Yes
in this schedule
Determines if this day is included
Thur
No/Yes
Yes
in this schedule
Determines if this day is included
Weekly Schedule
Fri
No/Yes
Yes
in this schedule
Determines if this day is included
Sat
No/Yes
No
in this schedule
Determines if this day is included
Sun
No/Yes
No
in this schedule
Defines the start month of this
Start Month
Start Day
Start Time
End Month
End Day
End Time
0 - 12
0
hoilday schedule
Configuration
Schedule
Defines the start day of this holiday
0 - 31
0
schedule
Determines the start time for this
00:00 - 23:59
0 - 12
0:00
User/Admin
Password level
access
schedule
Defines the month to end this
0
hoilday schedule
Defines the day to end this holiday
0 - 31
0
Exception
Schedules 1 - 12
schedule
Determines the time to end this
00:00 - 24:00
0:00
schedule
LEGEND
BAS — Building Automation System
DCV — Demand Controlled Ventilation
ECM — Electronically Commutated Motor
IAQ — Indoor Air Quality
OAT — Outdoor Air Temperature
RH
— Relative Humidity
SAT — Supply Air Temperature
SPT — Space Temperature
TPI — Third Party Integration
52
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APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)
PASSWORD
LEVEL
SCREEN NAME
POINT NAME
EDITABLE
RANGE
DEFAULT
NOTES
Auto= Intermittant operation during both
occupied and unoccupied periods/
Continuous = Intermittant during unoccupied
periods and continuous during occupied
periods/Always on = fan operates
continuously during both occupied and
unoccupied periods
Auto/Continuous/
Always On
Fan Mode
X
Continuous
Defines the delay time before the fan begins
to operate after heating or cooling is started
Fan On Delay
Fan Off Delay
X
X
0 - 30 sec
10 sec
45 sec
Defines the amount of time the fan will
continue to operate after heating or
cooling is stopped
0 - 180 sec
Provides capability to manually
disable heating operation
Heating Enable
Cooling Enable
X
X
X
X
Disable/Enable
Disable/Enable
Enable
Enable
Provides capability to manually
disable cooling operation
Minimum SAT in
Cooling
Defines the minimum acceptable operating
temperature for the Supply Air
40 - 60
F
50
F
Configuration
Maximum SAT in
Heating
Defines the maximum acceptable operating
temperature for the Supply Air
80 - 140
F
110
F
Admin Password
level access only
Normally set to 100% if 2 position damper
type or set to minimum ventilation position if
damper type = DCV
Damper Ventilation
Position
X
X
0 - 100%
100%
Unit
Configuration
DCV Maximum Vent
Position
Usually set at 100% - Used to limit maximum
damper opening in DCV mode
0 - 100%
100%
Filter Alarm Timer
X
X
0 - 9999 hrs
0 hrs
Disables Filter Alarm if set to 0
Pushbutton Override
Disable/Enable
Enable
Enables Override Feature on Rnet sensor
SPT Sensor Set Point
Adjustment
Enables Set Point adjustment capability
on Rnet Sensor
X
Disable/Enable
Enable
Cooling is locked out when OAT is less than
configured value and OAT is actively being
broadcast
Lockout Cooling if
OAT <
X
-65 - 80
35 - 150
F
F
-65
F
F
Heating is locked out when OAT is greater
than configured value and OAT is actively
being broadcast
Lockout Heating if
OAT >
X
150
Power Fail Restart
Delay
X
X
X
0 - 600 sec
60 sec
Enable
Delay before equipment starts
Occupancy Schedules
Disable/Enable
Enables unit occupied
Used to enforce minimum
set point separation
Set Point Separation
2 - 9
F
4
F
Used to enable test mode. Will automatically
reset to disable after 1 hour
Test Mode
Fan Test
X
X
Disable/Enable
Disable/Enable
Disable
Disable
Used to test all fan speeds. Sequences fan
from low to high and operates each speed for
1 minute. Resets to disable on completion
Off/Low Speed/Medium
Speed/High Speed/On
Fan Speed
Displays current fan operation
Used to test compressor cooling and heating
operation. Sequences cooling stage 1, then
stage 2, then heating stage 2 and reduces
capacity to stage 1. Operates for 1 minute per
step. Resets to disable on completion.
Compressor Test
X
X
Disable/Enable
Disable
Disable
Used to test dehumification mode -
Operates for 2 minutes. Resets to
disable on completion.
Configuration
Service
Dehumidification Test
Testing Compressor
Disable/Enable
Inactive/Heating/Cooling/
Dehumidify/TimeGard
Wait
Admin Password
level access only
Displays compressor test mode
Used to test auxiliary heat.
Sequences fan on and enables
heating coil for 1 minute. Resets to
disable on completion
Aux Heating Test
X
X
Disable/Enable
Disable/Enable
Disable
Disable
Test
Used to test entering/return air water loop
economizer coil operation. Sequences fan on
and opens economizer coil water valve for 1
minute. Resets to disable on completion
H O Economizer Test
2
Preposition OA
Damper
Used to preposition OA damper
actuator to set proper preload
X
X
Disable/Enable
Disable/Enable
Disable
Disable
Open Vent
Damper 100%
Used to test OA damper operation
Displays SAT
SAT
F
F
Displays Leaving Condenser
Water Temperature
LCWT
LEGEND
BAS — Building Automation System
DCV — Demand Controlled Ventilation
ECM — Electronically Commutated Motor
IAQ — Indoor Air Quality
OAT — Outdoor Air Temperature
RH
— Relative Humidity
SAT — Supply Air Temperature
SPT — Space Temperature
TPI — Third Party Integration
53
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APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)
PASSWORD
LEVEL
SCREEN NAME
POINT NAME
EDITABLE
RANGE
DEFAULT
NOTES
Used to set number of
fan motor speeds
# of Fan Speeds
X
1,2,3
3
When set to Fan On, G output is
energized when ever any fan speed
is active (required for ECM and Fan
control board). When set to Fan
Low, output is only energized for
Low Speed
G Output Type
X
Fan On/Fan Low
Fan On
Defines the number of
stages of compression
Compressor Stages
Reversing Valve Type
X
X
X
X
X
X
X
One Stage/Two Stages
One Stage
O type
None
Determines reversing valve
signal output type
O type output/B type output
Leaving Air Auxiliary
Heat Type
None/2-Position HW/1 Stage
Electric/Modulating HW
Determines Auxiliary
Reheat Coil Type
Entering Air Water
Economizer Type
Determines Entering Air
Economizer Coil Type
None/2-Position/Modulating
Normally Closed/Normally Open
Normally Closed/Normally Open
None/2-Position/DCV
None
2-Position Water
Valve Type
Normally
Closed
Determines type of 2-position
water valve used
Modulating Water
Valve Type
Normally
Closed
Determines type of modulating
water valve used
Ventilation Damper
Type
Determines type of ventilation
damper control to be used
None
0-10 volt
None
Used to determine ventilation
damper output signal range
(closed - open)
Damper Actuator Type
Humidity Sensor
X
X
X
(0-10 volt)/(2-10 volt)
None/Installed
Set to Installed if humidity
sensor is present
Configuration
Admin Password
level access only
Set to Installed if factory-installed
dehumidification reheat coil
is present
Factory Dehumidifica-
tion Reheat Coil
None/Installed
None
Service
Configuration
Occupancy
Input Logic
Occupied
Used to determine external occu-
X
X
X
Occupied Open/Occupied Closed
5 - 600 seconds
CLOSED pancy switch contact occupied state
Condensate Switch
Alarm Delay
Delay before equipment alarms on
10 sec
high condensate level
Condensate Switch
Alarm State
Alarm
CLOSED
Determine Alarm state of
condensate switch input
Alarm OPEN/Alarm CLOSED
Minimum Condenser
Water Temperature in
Heating
Determines the minimum
acceptable water loop temperature
to start heating
X
X
X
X
25 - 60
F
60
90
60
95
F
F
F
F
Maximum Condenser
Water Temperature in
Heating
Determines the maximum
acceptable water loop temperature
to start heating
65 - 100
F
Minimum Condenser
Water Temperature in
Cooling
Determines the minimum
acceptable water loop temperature
to start cooling
30 - 60
F
Maximum Condenser
Water Temperature in
Cooling
Determines the maximum
acceptable water loop temperature
to start cooling
85 - 120
F
IAQ sensor
Minimum output current (mA)
for IAQ sensor
X
X
X
X
0 - 5 ma
4 ma
20 ma
minimum input
IAQ sensor
maximum input
Maximum output current (mA) for
IAQ sensor
5 - 20 ma
IAQ sensor
minimum output
Corresponding value in ppm for
minimum output current
0 - 9999 ppm
0 - 9999 ppm
0 ppm
IAQ sensor
maximum output
Corresponding value in ppm for
maximum output current
2000 ppm
LEGEND
BAS — Building Automation System
DCV — Demand Controlled Ventilation
ECM — Electronically Commutated Motor
IAQ — Indoor Air Quality
OAT — Outdoor Air Temperature
RH
— Relative Humidity
SAT — Supply Air Temperature
SPT — Space Temperature
TPI — Third Party Integration
54
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APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)
PASSWORD
LEVEL
SCREEN NAME
POINT NAME
EDITABLE
RANGE
DEFAULT
NOTES
Defines the hysteresis applied above
the cooling and below the heating set
points before an alarm condition will
occur
SPT Occupied Alarm
Hysteresis
X
2 - 20
F
5
F
Used to calculate the delay time before
an alarm is generated after the alarm
condition occurs
SPT Alarm Delay
X
0 - 30 min per degree
10 min
SPT Unoccupied Low
Alarm Temperature
Defines the fixed unoccupied
ow SPT alarm limit
X
X
X
X
35 - 90
F
45
95
45
F
F
F
SPT Unoccupied High
Alarm Temperature
Defines the fixed unoccupied
high SPT alarm limit
45 - 100
F
SAT Low SAT
Alarm Limit
Defines the fixed minimum
SAT alarm limit
15 - 90
F
SAT High SAT
Alarm Limit
Defines the fixed maximum
SAT alarm limit
90 - 175
F
120
F
Defines the delay time before an alarm
is generated after the alarm condition
occurs
Condensate Overflow
Alarm Delay
X
X
X
5 - 600 sec
45% - 100%
10 sec
100%
5 min
Space Humidity Occupied
High Alarm Limit
Defines the fixed occupied
high space RH alarm limit
Used to calculate the delay time before
an alarm is generated after the alarm
condition occurs
Space Humidity Alarm
Delay
0 - 30 min per % RH
Configuration
Admin Password Space Humidity Unoccu-
Defines the fixed unnoccupied
high space RH alarm limit
X
X
45% - 100%
0 - 9999 ppm
100%
level access only
pied High Alarm Limit
Alarm
Configuration
IAQ/Ventilation Occupied
High Alarm Limit
Defines the fixed occupied high
space IAQ/Ventilation alarm limit
1100 ppm
Used to calculate the delay time before
0.25 min an alarm is generated after the alarm
condition occurs
IAQ/Ventilation
Alarm Delay
X
0.1 - 1.0 min per ppm
Determines if the SPT alarm is
Ignore
Rnet Sensor SPT Alarm
Rnet Sensor SAT Alarm
X
X
Ignore/Display
Ignore/Display
displayed on the local Rnet sensor
Determines if the SAT alarm is
Ignore
displayed on the local Rnet sensor
Determines if the Compressor Lockout
Rnet Sensor Compressor
Lockout Alarm
X
X
Ignore/Display
Ignore/Display
Display
Display
alarm is displayed on the local Rnet
sensor
Determines if the Condenser Water
Temperature alarm is displayed on the
local Rnet sensor
Rnet Sensor Condenser
Water Temperature Alarm
Determines if the Condensate
Overflow alarm is displayed on the
local Rnet sensor
Rnet Sensor Condensate
Overflow Alarm
X
X
X
Ignore/Display
Ignore/Display
Ignore/Display
Display
Display
Ignore
Rnet Sensor Dirty
Filter Alarm
Determines if the Dirty Filter alarm is
displayed on the local Rnet sensor
Determines if the High Space
RH alarm is displayed on the
local Rnet sensor
Rnet Sensor Space
High Humidity Alarm
Loop Control Network
Number
See TPI
See TPI
See TPI
Configuration
Linkage
Loop Control Network
Address
Number of Linked Heat
Pumps
LEGEND
BAS — Building Automation System
DCV — Demand Controlled Ventilation
ECM — Electronically Commutated Motor
IAQ — Indoor Air Quality
OAT — Outdoor Air Temperature
RH
— Relative Humidity
SAT — Supply Air Temperature
SPT — Space Temperature
TPI — Third Party Integration
55
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Copyright 2010 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500070-01
Printed in U.S.A.
Form 50RTP-1SI
Pg 58
7-10
Replaces: New
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50RTP
START-UP CHECKLIST
CUSTOMER:___________________________
MODEL NO.:___________________________
JOB NAME: _______________________________________
SERIAL NO.:____________________
DATE:_________
I. PRE-START-UP
DOES THE UNIT VOLTAGE CORRESPOND WITH THE SUPPLY VOLTAGE AVAILABLE? (Y/N)
HAVE THE POWER AND CONTROL WIRING CONNECTIONS BEEN MADE AND TERMINALS
TIGHT? (Y/N)
HAVE WATER CONNECTIONS BEEN MADE AND IS FLUID AVAILABLE AT HEAT EXCHANGER?
(Y/N)
HAS PUMP BEEN TURNED ON AND ARE ISOLATION VALVES OPEN? (Y/N)
HAS CONDENSATE CONNECTION BEEN MADE AND IS A TRAP INSTALLED? (Y/N)
IS AN AIR FILTER INSTALLED? (Y/N)
II. START-UP
IS FAN OPERATING WHEN COMPRESSOR OPERATES? (Y/N)
VERIFY PROPER ROTATION OF SCROLL COMPRESSOR PER INSTRUCTIONS. (Y/N)
UNIT VOLTAGE — COOLING OPERATION
PHASE AB VOLTS
PHASE BC VOLTS
PHASE CA VOLTS
PHASE CA AMPS
PHASE AB AMPS
PHASE BC AMPS
CONTROL VOLTAGE
IS CONTROL VOLTAGE ABOVE 21.6 VOLTS? (Y/N)
.
IF NOT, CHECK FOR PROPER TRANSFORMER CONNECTION.
TEMPERATURES
FILL IN THE ANALYSIS CHART ATTACHED.
COAXIAL HEAT COOLING CYCLE:
EXCHANGER
FLUID IN
F
F
F
F
FLUID OUT
FLUID OUT
AIR OUT
F
PSI
PSI
FLOW
FLOW
HEATING CYCLE:
FLUID IN
F
F
F
AIR COIL
COOLING CYCLE:
AIR IN
HEATING CYCLE:
AIR IN
AIR OUT
CL-1
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HEATING CYCLE ANALYSIS
PSI
SAT
F
AIR
COIL
SUCTION
F
F
COMPRESSOR
DISCHARGE
EXPANSION
COAX
VALVE
F
LIQUID LINE
F
F
PSI
WATER IN
PSI
WATER OUT
a50-8559
COOLING CYCLE ANALYSIS
a50-8560
PSI
SAT
F
AIR
COIL
SUCTION
F
F
COMPRESSOR
EXPANSION
COAX
DISCHARGE
VALVE
F
LIQUID LINE
F
F
PSI
WATER IN
PSI
WATER OUT
HEAT OF EXTRACTION (ABSORPTION) OR HEAT OF REJECTION =
FLOW RATE (GPM) x TEMP. DIFF. (DEG. F) x
FLUID FACTOR* =
(Btu/hr)
SUPERHEAT = SUCTION TEMPERATURE – SUCTION SATURATION TEMPERATURE
(DEG F)
=
SUBCOOLING = DISCHARGE SATURATION TEMPERATURE – LIQUID LINE TEMPERATURE
(DEG F)
=
*Use 500 for water, 485 for antifreeze.
Copyright 2010 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500070-01 Printed in U.S.A. Form 50RTP-1SI Pg CL-2 7-10A 7-10 Replaces: New
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