40RU
Packaged Air-Handling Units
60 Hz
with Puron® (R-410A) Refrigerant
Sizes 25, 28, 30
Installation, Start-Up and
Service Instructions
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service,
maintenance, 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
individual instructions package
Follow all safety codes. Wear safety glasses and work gloves.
Use quenching cloths for brazing operations and have a fire
extinguisher available. Read these instructions thoroughly and
follow all warnings or cautions attached to the unit. Consult
local building codes and appropriate national electrical codes
(in USA, ANSI/NFPA70, National Electrical Code (NEC); in
Canada, CSA C22.1) for special requirements.
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 1
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Moving and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rigging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–20
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Unit Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Refrigerant and Chilled Water Piping Access . . . . . . 11
Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chilled Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fan Motors and Drives . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power Supply and Wiring . . . . . . . . . . . . . . . . . . . . . . . 17
Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
START-UP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SERVICE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21–34
Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fan Motor Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan Shaft Position Adjustment. . . . . . . . . . . . . . . . . . . 22
Individual Fan Wheel Adjustment . . . . . . . . . . . . . . . . 22
Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . . . . 23
Condensate Drains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Chilled Water Coil Freeze Protection . . . . . . . . . . . . 23
Coil Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Cleaning Cooling Coil . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Cleaning Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Replacing Filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . CL-1, CL-2
It is important to recognize safety information. This is the
safety-alert symbol
. When you see this symbol on the unit
and in instructions or manuals, be alert to the potential for
personal injury.
Understand the signal words DANGER, WARNING,
CAUTION, and NOTE. These words are used with the
safety-alert symbol. DANGER identifies the most serious
hazards which will result in severe personal injury or death.
WARNING signifies hazards which could result in personal
injury or death. CAUTION is used to identify unsafe practices,
which may result in minor personal injury or product and
property damage. NOTE is used to highlight suggestions
which will result in enhanced installation, reliability, or
operation.
LEGEND
TXV — Thermostatic Expansion Valve
NOTES:
1. Dimensions in [ ] are in millimeters.
2.
Direction of airflow.
3. Recommended clearance:
• Rear: 3 in. (76 mm)
• Front: 2 ft, 6 in. (762 mm)
• Right Side: 2 ft, 6 in. (762 mm)
• Left Side: 2 ft, 6 in. (762 mm)
• Local codes or jurisdiction may
prevail.
4. Liquid piping not supplied by Carrier.
5. Duct flange is factory-supplied and field-
installed.
UNIT WEIGHT
UNIT
lb (kg)
40RUA*25
40RUS*25
730 (331)
683 (310)
Fig. 2A — Dimensions – Size 25
3
LEGEND
TXV — Thermostatic Expansion Valve
NOTES:
1. Dimensions in [ ] are in millimeters.
2.
Direction of airflow.
3. Recommended clearance:
• Rear: 3 in. (76 mm)
• Front: 2 ft, 6 in. (762 mm)
• Right Side: 2 ft, 6 in. (762 mm)
• Left Side: 2 ft, 6 in. (762 mm)
• Local codes or jurisdiction may
prevail.
4. Liquid piping not supplied by Carrier.
5. Duct flange is factory-supplied and field-
installed.
6. 40RUS may require alternate or additional
field favricated poping access holes
UNIT WEIGHT
UNIT
lb (kg)
40RUA*28
40RUA*30
40RUS*28
40RUS*30
1050 (477)
1062 (482)
1035 (469)
1042 (473)
Fig. 2B — Dimensions – Sizes 28 and 30
4
Table 1A — 40RUA Physical Data, English — Cooling Units
UNIT 40RUA*
25
28
30
NOMINAL CAPACITY (Tons)
OPERATING WEIGHT (lb)
Base Unit with TXV
Plenum
20
25
30
730
225
1050
325
1062
325
FANS
Qty...Diam. (in.)
2...15
8,000
2...18
10,000
2...18
12,000
Nominal Airflow (cfm)
Airflow Range (cfm)
Nominal Motor Hp (Standard Motor)
208/230-3-60 and 460-3-60
575-3-60
6,000 – 10,000
7,500 – 12,500
9,000 – 15,000
5.0
5.0
7.5
7.5
10.0
10.0
Motor Speed (rpm)
208/230-3-60 and 460-3-60
575-3-60
1745
1745
1745
1755
1745
1755
REFRIGERANT
R-410A
Operating charge (lb)
(approx per circuit) †
3.5
4.5
5.0
DIRECT-EXPANSION COIL
Max Working Pressure (psig)
Face Area (sq ft)
Enhanced Copper Tubes, Aluminum Sine-Wave Fins
450
19.88
2
24.86
29.83
2
No. of Splits
2
No. of Circuits per Split
Split Type...Percentage
Fins/in.
18
20
Face...50/50
15
24
17
15
PIPING CONNECTIONS,
Quantity...Size (in.)
DX Coil — Suction (ODF)
DX Coil — Liquid Refrigerant (ODF)
Steam Coil, In (MPT)
2...11/8
2...13/8
2...13/8
2...5/8
1...21/2
Steam Coil, Out (MPT)
Hot Water Coil, In (MPT)
Hot Water Coil, Out (MPT)
Condensate (PVC)
1...1/2
1...2
1...2
1...11/4 ODM/1 IDF
Throwaway — Factory Supplied
FILTERS
4...16 x 20 x 2
4...16 x 24 x 2
4...20 x 24 x 2
4...20 x 25 x 2
Quantity...Size (in.)
Access Location
STEAM COIL‡
Either Side
Max Working Pressure (psig at 260°F)
Total Face Area (sq ft)
Rows...Fins/in.
20
13.33
1...10
15.0
1...10
15.0
1...10
HOT WATER COIL‡
Max Working Pressure (psig)
Total Face Area (sq ft)
Rows...Fins/in.
150
15.0
13.33
15.0
2...8.5
2...12.5
2...12.5
Water Volume
(gal)
14.3
1.90
13.9
1.85
(ft3)
LEGEND
DX
TXV
—
—
Direct Expansion
Thermostatic Expansion Valve
†
‡
Units are shipped without refrigerant charge.
Field installed accessory only.
5
Table 1B — 40RUA Physical Data, SI — Cooling Units
UNIT 40RUA*
25
28
30
NOMINAL CAPACITY (kW)
OPERATING WEIGHT (kg)
Base Unit with TXV
Plenum
70
87
105
331
102
477
148
482
148
FANS
Qty...Diam. (mm)
Nominal Airflow (L/s)
Airflow Range (L/s)
Nominal Motor kW (Standard Motor)
208/230-3-60 and 460-3-60
575-3-60
2...381
3775
2...457
4119
2...457
5663
2831 – 4719
3539 – 5899
4247 – 7079
3.73
3.73
5.60
5.60
7.46
7.46
Motor Speed (r/s)
208/230-3-60 and 460-3-60
575-3-60
29.1
29.1
29.1
29.3
29.1
29.3
REFRIGERANT
R-410A
Operating charge (kg)
(approx per circuit)†
1.59
2.04
2.27
DIRECT-EXPANSION COIL
Max Working Pressure (kPag)
Face Area (sq m)
Enhanced Copper Tubes, Aluminum Sine-Wave Fins
3102
1.85
2
2.30
2.77
2
No. of Splits
2
20
No. of Circuits per Split
Split Type...Percentage
Fins/m
18
24
Face...50/50
591
670
591
PIPING CONNECTIONS,
Quantity...Size (in.)
DX Coil — Suction (ODF)
DX Coil — Liquid Refrigerant (ODF)
Steam Coil, In (MPT)
2...11/8
2...13/8
2...13/8
2...5/8
1...21/2
Steam Coil, Out (MPT)
Hot Water Coil, In (MPT)
Hot Water Coil, Out (MPT)
Condensate (PVC)
1...1/2
1...2
1...2
1...11/4 ODM/1 IDF
Throwaway — Factory Supplied
FILTERS
4...406 x 508 x 51
4...406 x 610 x 51
4...508 x 610 x 51
4...508 x 635 x 51
Quantity...Size (mm.)
Access Location
STEAM COIL‡
Either Side
Max Working Pressure (kPag at 126°C)
Total Face Area (sq m)
Rows...Fins/m
138
1.39
1.24
1.39
1...394
1...394
1...394
HOT WATER COIL‡
Max Working Pressure (kPag)
Total Face Area (sq m)
Rows...Fins/m
1034
1.39
1.24
1.39
2...335
2...335
2...335
Water Volume
(L)
52.6
54.1
(m3)
0.052
0.054
LEGEND
DX
TXV
—
—
Direct Expansion
Thermostatic Expansion Valve
†
‡
Units are shipped without refrigerant charge.
Field installed accessory only.
6
Table 1C — 40RUS Physical Data, English — Chilled Water Units
UNIT 40RUS*
25
28
30
NOMINAL CAPACITY (Tons)
OPERATING WEIGHT (lb)
Base Unit
20
25
30
683
225
1035
325
1042
325
Plenum
FANS
Qty...Diam. (in.)
2...15
8,000
2...18
10,000
2...18
12,000
Nominal Airflow (cfm)
Airflow Range (cfm)
Nominal Motor Hp (Standard Motor)
208/230-3-60 and 460-3-60
575-3-60
6,000 – 10,000
7,500 – 12,500
9,000 – 15,000
5.0
5.0
7.5
7.5
10.0
10.0
Motor Speed (rpm)
208/230-3-60 and 460-3-60
575-3-60
1745
1745
1745
1755
1745
1755
CHILLED WATER COIL
Max Working Pressure (psig)
Face Area (sq ft) – Upper
Face Area (sq ft) – Lower
Rows...Fins/in.
Enhanced Copper Tubes, Aluminum Sine-Wave Fins
435
11.0
8.3
12.4
12.4
15.5
12.4
3...15
PIPING CONNECTIONS,
Quantity...Size (in.)
Chilled Water — In
Chilled Water — Out
Steam Coil, In (MPT)
Steam Coil, Out (MPT)
Hot Water Coil, In (MPT)
Hot Water Coil, Out (MPT)
Condensate (PVC)
FILTERS
2...13/8 ODM
2...13/8 ODM
2...21/8 ODM
2...21/8 ODM
1...21/2
2...21/8 ODM
2...21/8 ODM
1...11/2
1...2
1...2
1...11/4 ODM/1 IDF
Throwaway — Factory Supplied
4...16 x 20 x 2
4...16 x 24 x 2
4...20 x 24 x 2
4...20 x 25 x 2
Quantity...Size (in.)
Access Location
STEAM COIL‡
Either Side
Max Working Pressure (psig at 260°F)
Total Face Area (sq ft)
Rows...Fins/in.
20
13.33
1...10
15.0
1...10
15.0
1...10
HOT WATER COIL‡
Max Working Pressure (psig)
Total Face Area (sq ft)
Rows...Fins/in.
150
15.0
13.33
15.0
2...8.5
2...12.5
2...12.5
Water Volume
(gal)
13.9
1.1
14.3
1.90
(ft3)
LEGEND
‡ Field installed accessory only.
7
Table 1D — 40RUS Physical Data, SI — Chilled Water Units
UNIT 40RUS*
25
28
30
NOMINAL CAPACITY (kW)
OPERATING WEIGHT (kg)
Base Unit
70
87
105
310
102
469
148
473
148
Plenum
FANS
Qty...Diam. (mm)
2...381
3775
2...457
4719
2...457
5663
Nominal Airflow (L/s)
Airflow Range (L/s)
Nominal Motor kW (Standard Motor)
208/230-3-60 and 460-3-60
575-3-60
2831 – 4719
3539 – 5899
4247 – 7079
3.73
3.73
5.60
5.60
7.46
7.46
Motor Speed (r/s)
208/230-3-60 and 460-3-60
575-3-60
29.1
29.1
29.1
29.3
29.1
29.3
CHILLED WATER COIL
Max Working Pressure (kPag)
Face Area (sq m) – Upper
Face Area (sq m) – Lower
Rows...Fins/m
Enhanced Copper Tubes, Aluminum Sine-Wave Fins
2999
1.02
0.77
1.15
1.15
1.44
1.15
3...591
3...591
3...591
PIPING CONNECTIONS,
Quantity...Size (in.)
Chilled Water — In
Chilled Water — Out
Steam Coil, In (MPT)
Steam Coil, Out (MPT)
Hot Water Coil, In (MPT)
Hot Water Coil, Out (MPT)
Condensate (PVC)
FILTERS
2...13/8 ODM
2...13/8 ODM
2...21/8 ODM
2...21/8 ODM
1...21/2
2...21/8 ODM
2...21/8 ODM
1...11/2
1...2
1...2
1...11/4 ODM/1 IDF
Throwaway — Factory Supplied
4...406 x 508 x 51
4...406 x 610 x 51
4...508 x 610 x 51
4...508 x 635 x 51
Quantity...Size (mm.)
Access Location
STEAM COIL‡
Either Side
Max Working Pressure (kPag at 125°C)
Total Face Area (sq m)
Rows...Fins/m
138
1.39
1.24
1.39
1...394
1...394
1...394
HOT WATER COIL‡
Max Working Pressure (kPag)
Total Face Area (sq m)
Rows...Fins/m
1034
1.39
1.24
1.39
2...335
2..493
2...493
Water Volume
(L)
52.6
54.1
(m3)
0.052
0.054
LEGEND
‡ Field installed accessory only.
8
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
4
0
R
U
A
A
2
5
A
1
A
6
–
0
A
0
A
0
_____________
____
Model Type
Brand / Packaging
40RU = Carrier Fan Coil
Puronr R---410A Refrigerant
0 = Standard
Not Used
A = Place Holder
Type of Coil
A = Standard DX Coil
S = Chilled Water Coil
Service Options
Refrigerant Options
A = None
0 = Non-Painted Cabinet
1 = Painted Cabinet
B = Steam Coil
C = Hot Water Coil
Not Used
A = Place Holder
Nominal Tonnage
25 = 20 Tons
28 = 25 Tons
30 = 30 Tons
Not Used
0 = Place Holder
Design Rev
--- = Catalog Model Number
Not Used
A = Place Holder
Voltage
Indoor Fan Options
1 = 575/3/60
5 = 208/230/3/60
6 = 460/3/60
1 = Fan Drive and Motor - Low / Motor Efficiency - Standard
2 = Fan Drive and Motor - Med / Motor Efficiency - Standard
3 = Fan Drive and Motor - High / Motor Efficiency - Standard
4 = Fan Drive and Motor - Low / Motor Efficiency - Premium
5 = Fan Drive and Motor - Med / Motor Efficiency - Premium
6 = Fan Drive and Motor - High / Motor Efficiency - Premium
Coil Options
A = Al/Cu
Fig. 3 — Model Number Nomenclature
POSITION NUMBER
TYPICAL
1
4
2
8
3
0
4
8
5
G
6
1
7
2
8
3
9
4
10
5
POSITION
1−2
DESIGNATES
Week of manufacture (fiscal calendar)
3−4
Year of manufacture (”08” = 2008)
5
Manufacturing location (G = ETP, Texas, USA)
Sequential number
6−10
Fig. 4 — Serial Number Nomenclature
Unit Positioning — The unit can be mounted on the
floor for vertical application with return air entering the face of
the unit and supply air discharging vertically through the top of
the unit. The unit can also be applied in a horizontal
arrangement with return air entering horizontally and the
supply air discharging horizontally. When applying the unit in
a horizontal arrangement, ensure the condensate drain pan is
located at the bottom center of the unit for adequate condensate
disposal. See Fig. 5 for condensate connections for each unit
position.
LEGEND
Accessory Line
Typical positioning and alternate return air locations are shown
in Fig. 5. Alternate return air locations can be used by moving
the unit panel from the alternate return air location to the
standard return air location. Refer to overhead suspension
accessory drawing (Fig. 6) for preferred suspension technique.
The unit needs support underneath to prevent sagging.
Alternate Air Intake and Discharge
Air Intake and Discharge
Note:
Maintain recommended clearances
per Figs. 2A–2B
IMPORTANT: Do NOT attempt to install unit with return
air entering top panel of unit. Condensate will not drain
from unit.
Fig. 5 — Typical Unit Positioning
9
OVERHEAD SUSPENSION ACCESSORY
UNIT SIZE 25
UNIT SIZES 28, 30
NOTE: Dimensions in [ ] are millimeters
Fig. 6 — Preferred Suspension Technique
10
The 40RU direct-expansion units have internal
factory-installed thermostatic expansion valves (TXVs),
distributors, and nozzles for use with R-410A. See Table 2
for part numbers. Knockouts are provided in the unit corner
posts for 40RU refrigerant piping. See Fig. 7, which also
lists recommended knockouts and access holes to use for
each 40RU unit size. Recommended fittings are listed in
Table 3.
The sensor bulb capillary tubes must be routed from the TXVs
inside the unit through one of the piping access holes. Clamp
the TXV sensor bulb on a vertical portion of the suction line,
outside the unit. See Fig. 8.
Unit Isolation — Where extremely quiet operation is
essential, install isolators between floor and base of unit, or
between ceiling and top section of unit.
Be sure that unit is level and adequately supported. Use
channels at front and sides of unit for reference points when
leveling.
Refrigerant and Chilled Water Piping
Access — The 40RU Series units come with standard
knockouts for refrigerant and chilled water piping. These
knockouts are located on both sides of the unit for installation
flexibility. The standard knockouts provide sufficient access to
the unit’s coils for all 40RUA*25, 28, and 30 units. RUS*25,
28, and 30 units require additional holes which must be field-
fabracated to accomodiate the piping. See Fig. 7 for the
positions and dimensions of the additional access holes
required for the RUS units. Recommended access hole use is
also listed for all units. Note that Fig. 7 shows the access holes
on the control-box side of the unit; this is the side of the unit
with the coil headers, so it is used most often for piping access.
NOTE: Be sure to remove the styrofoam shipping pad from
the TXV. Verify that it has been removed. See Fig. 1.
IMPORTANT: Never attach the sensor to the suction
manifold. Do NOT mount the sensor on a trapped portion
of the suction line.
The 40RU Series evaporator coils have a face-split design.
Ensure that lower circuit of coil is first on/last off when
connected to the condensing unit and/or system controls. See
Fig. 9.
External TXV equalizer connections are provided and
factory-brazed into the coil suction manifolds.
If suction line must be horizontal, clamp bulb to suction line at
least 45 degrees above bottom, at approximately the 4 o’clock
or 8 o’clock position. See Fig.10.
IMPORTANT: Do not bury refrigerant piping underground.
Refrigerant Piping — See Tables 1A–1D for refrigerant
pipe connection sizes. For ease in brazing, it is recommended
that all internal solder joints be made before unit is placed in
final position.
8
7
6
5
D
C
B
A
4
3
2
1
FIELD-FABRICATED HOLE DIAMETERS
in. (mm)
FIELD-FABRICATED HOLE POSITION
DIMENSIONS, in. (mm)
USE HOLE
NUMBERS
UNIT
No. 5
No. 6
No. 7
No.8
—
A
B
—
C
—
D
40RUA*25, 28, 30
40RUS*25
1, 2, 3, 4
4, 5, 6, 7
5, 6, 7, 8
—
—
—
—
—
3
3
3
1 / (44.5)
4
1 / (44.5)
4
1 / (44.5)
4
—
3.0 (76.2)
6.0 (152.5)
6.0 (152.5)
10.5 (266.7)
1
1
1
1
40RUS*28, 30
2 / (63.5)
2 / (63.5)
2 / (63.5)
2 / (63.5)
9.625 244.5) 13.38 (339.9) 17.0 (431.8)
2
2
2
2
Fig. 7 — Refrigerant and Chilled Water Piping Access Holes
11
EQUALIZER LINE
TXV
UPPER
SPLIT
SENSING
BULB
SOLENOID*
VALVE
SIGHT
GLASS
TXV
AIRFLOW
15 DIAMS
MIN
10
DIAMS
8 DIAMS
MIN
EQUALIZER
FILTER
DRIER
LINE
TXV
SENSING
BULB
LOWER
SPLIT
TXV
AIRFLOW
15 DIAMS
MIN
10
DIAMS
8 DIAMS
MIN
INDOOR
COIL
LEGEND:
– Not required when mated to units 38AP_025 - 060
TXV – Thermostatic Expansion Valve
*
NOTE: Component location arrangemet shown for field installation of
sight glasses, solenoid valves, filter driers, and TXV sensing bulbs.
The TXVs and equilizer lines are factory installed.
Fig. 8 — Face-Split Coil Suction and Liquid Line Piping (Typical)
LEGEND
TXV — Thermostatic Expansion Valve
NOTE: The 8 o’clock position is shown above.
FIRST ON/LAST OFF = B
VERTICAL INSTALLATION
Fig. 10 — TXV Sensing Bulb Location
FIRST ON/LAST OFF = A
HORIZONTAL INSTALLATION
Fig. 9 — Typical Evaporator Coil Connections (40RU)
12
Table 2 — Factory-Installed Nozzle and Distributor Data
FEEDER TUBES
PER DISTRIBUTOR
Qty...Size (in.)
COIL TYPE
STD
TXV
Qty...Part No.
DISTRIBUTOR
Qty...Part No.
NOZZLE
Qty...Part No.
†
UNIT
18...3/16
20...3/16
24...3/16
2...G6
2...C15
2...C17
2...1135
2...1126
2...1126
40RU*25
40RU*28
40RU*30
4 Row
4 Row
4 Row
2...BBIZE-8-GA
2...BBIZE-15-GA
2...BBIZE-15-GA
† Feeder tube size is 1/4 in. (6.35 mm).
NOTE: Hot gas bypass applications require field-supplied auxiliary side connector.
Table 3 — Fitting Requirements
†
ACCESS
HOLE NO.
CONNECTION
TYPE
FITTINGS REQUIRED
(in.)
UNIT
CIRCUIT
‡
11/8 Street Elbow
1
2
3
Suction
Liquid
Liquid
Lower
11/8 Nipple, 75/8 L
11/8 Long Radius Elbow
5/8 Street Elbow
Lower
Upper
5/8 Nipple, 61/2 L
5/8 Long Radius Elbow
5/8 Street Elbow
40RUA25
5/8 Nipple, 91/2 L
5
/
Long Radius Elbow
8
11/8 Nipple, 55/8 L
11/8 Long Radius Elbow
11/8 Nipple, 11 L
4
Suction
Upper
11/8 Long Radius Elbow
13/8 Long Radius Elbow
13/8 Nipple, 33/4 L
4
5
6
7
Supply
Return
Return
Supply
Lower
Lower
Upper
Upper
13/8 Long Radius Elbow
13/8 Long Radius Elbow
13/8 Nipple, 33/8 L
13/8 Long Radius Elbow
13/8 Long Radius Elbow
13/8 Nipple, 7 L
40RUS25
13/8 Long Radius Elbow
13/8 Long Radius Elbow
13/8 Nipple, 113/4 L
13/8 Long Radius Elbow
13
Table 3 — Fitting Requirement (cont)
†
ACCESS
HOLE NO.
CONNECTION
FITTINGS REQUIRED
(in.)
UNIT
CIRCUIT
‡
TYPE
13/8 Street Elbow
1
2
3
Suction
Lower
Lower
Upper
13/8 Nipple, 11 L
13/8 Long Radius Elbow
5/8 Street Elbow
Liquid
Liquid
5/8 Nipple, 11/2 L
5/8 Long Radius Elbow
5/8 Street Elbow
40RUA28
5/8 Nipple, 191/2 L
5
/
Long Radius Elbow
8
13/8 Nipple, 43/16
L
13/8 Long Radius Elbow
13/8 Nipple, 231/4 L
13/8 Long Radius Elbow
21/8 Long Radius Elbow
21/8 Nipple, 31/2 L
4
Suction
Upper
5
6
7
8
1
2
3
Supply
Return
Return
Supply
Suction
Liquid
Lower
Lower
Upper
Upper
Lower
Lower
Upper
21/8 Long Radius Elbow
21/8 Long Radius Elbow
21/8 Nipple, 3 L
21/8 Long Radius Elbow
21/8 Long Radius Elbow
21/8 Nipple, 67/8 L
40RUS*28, 30
21/8 Long Radius Elbow
21/8 Long Radius Elbow
21/8 Nipple, 117/8 L
21/8 Long Radius Elbow
13/8 Street Elbow
13/8 Nipple, 3 L
13/8 Long Radius Elbow
5/8 Street Elbow
5/8 Nipple, 73/4 L
5/8 Long Radius Elbow
5/8 Street Elbow
40RUA*30
Liquid
5/8 Nipple, 181/2 L
5
/
Long Radius Elbow
8
13/8 Nipple, 43/16
L
13/8 Long Radius Elbow
13/8 Nipple, 191/4 L
4
Suction
Upper
13/8 Long Radius Elbow
‡
See Fig. 7 for access hole location by number.
† Fittings are listed in order from header or tee stub connection out to access hole in corner support post.
14
To size, design, and install chilled water piping, consult the
Carrier System Design manual. See Fig. 11 for an example of a
typical installation. Recommended fittings are listed in Table 3.
To access 40RUS coil vents and drains, remove the unit side
panel over the coil header. Vent and drain plugs are on the top
and bottom of header, respectively. See the Service section for
information on preventing coil freeze-up during winter.
Chillled Water Piping — See Tables 1C and 1D for
chilled water connecton sizes. For ease in bazing, it it recom-
mended that all internal solder joints be made before unit is
placed in final position.
Knockouts are provided in the unit corner posts for 40RUS re-
frigerant piping. Additional field-fabricated access holes are re-
quired for 40RUS chilled water piping. See Fig. 7, which lists
recommended knockouts and access holes to use for each
40RUS unit size.
Fig. 11 — Typical 40RUS Chilled Water Piping
15
Condensate Drain — Install a trapped condensate drain
line to unit connection as shown in Fig. 12. The unit drain con-
nection is a PVC stub. See Fig. 13. Some areas may require an
adapter to connect to either galvanized steel or copper pipe.
For these applications, install a field-supplied threaded PVC
adapter.
3” MIN.
[76]
Fig. 13 — Drain Pan Slope Adjustment
As shipped, the unit’s condensate drain pan is NOT sloped to-
wards the drain connection. The pan slope must be changed to
pitch towards the side of the unit with the drain connection. See
Fig. 13. Loosen the 2 screws next to the drain outlet at both
ends of the unit, push drain pan down in the slots near the drain
connection, and up in the slots on the opposite end. Retighten
NOTE: Dimensions in [ ] are in millimeters
1
screws. The pan should have a pitch of at least / -in. over its
4
length toward the drain connection.
Fig. 12 — Condensate Drains
Fan Motors and Drives — Motor and drive packages
are factory installed in all units. The motor and drive packages
consist of the following items:
1 — fan motor
1 — adjustable motor pulley
1 — fan pulley
NOTE: A trap must be installed in the condensate drain
line to ensure that the static pressure of fans is balanced
with the water column in the drain line and that condensate
can drain completely from pan. Without a trap, air can be
drawn up drain line until water level in condensate pan
becomes equal to static pressure created by fans, preventing
complete drainage. Conditions will worsen as filters
become dirty.
2 — matched fan belts (40RUA*25-30, 40RUS*25-30 units)
Install clean-out plugs in trap. Pitch drain line downward to an
open floor drain or sump. Provide service clearance around
drain line to permit removal of unit panels. Observe all local
sanitary codes.
For instructions on changing fan rotation, changing drive
speeds and adjusting drives, see Pulley and Drive Adjustment
in the Service section.
16
Power Supply and Wiring — Check the unit data
plate to ensure that available power supply matches electrical
characteristics of the unit. Provide a disconnect switch with an
integrated lock-out feature of size required to provide adequate
fan motor starting current. See Tables 4-6 for unit electrical
data.
FAN SCROLL
FAN
CONTACTOR
BOX
MOTOR
AND DRIVE
WIRE
ACCESS
FAN DRIVE
PULLEY
CONDENSATE
DRAIN
CONNECTION
(HORIZONTAL)
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
COIL
Do not use gas piping as an electrical ground. Unit cabinet
must have an uninterrupted, unbroken electrical ground to
minimize the possibility of personal injury if an electrical
fault should occur. This ground may consist of electrical
wire connected to unit ground lug in control compartment,
or conduit approved for electrical ground when installed in
accordance with NEC (National Electrical Code); ANSI/
NFPA 70, latest edition (in Canada, Canadian Electrical
Code CSA [Canadian Standards Association] C22.1), and
local electrical codes.
FILTER
TXV BULB
ACCESS
ELEMENTS
REFRIGERANT
PIPING ACCESS
FILTER
RETAINER
CLIP
CONDENSATE
DRAIN
CONNNECTION
(VERTICAL)
LEGEND
Thermostatic Expansion Valve
TXV —
Fig. 15 — Wiring and Service Access
(Side Panel Removed)
FIRE HAZARD
Failure to follow this warning could result in intermittent
operation or performance satisfaction.
Do not connect aluminum wire between disconnect switch
and condensing unit. Use only copper wire.
Fan motors are factory-installed on all units. Indoor-fan
contactors are located in the fan contactor box behind the side
access panel (see Fig. 15 and 16). Wire the thermostat to the
24-v control circuit terminal block located in the side of the fan
contactor control box, according to Fig. 17 or the unit label
diagram. If the air handler is part of a split system, complete the
wiring from the condensing unit to the thermostat shown in
Fig. 17.
(See Fig. 14)
ELECTRIC
DISCONNECT
SWITCH
COPPER
WIRE ONLY
ALUMINUM
WIRE
W
Fig. 14 — Disconnect Switch and Unit
Install disconnect switch and power wiring in accordance with
FAN
CONTACTOR
all applicable local codes. See Fig. 15-17 and the unit label
1
diagram. Connect power wiring with / -in. ring terminal.
4
24V
TERMINAL
BLOCK
POWER
WIRING
KNOCKOUT
Fig. 16 — Fan Contactor Box and Terminal Block
(Cover Removed) (Typical)
17
Table 4 — Electrical Data, Standard Motors
FAN MOTOR
VOLTAGE
POWER SUPPLY
UNIT
V-PH-Hz†
Minimum
LIMITS
Hp (kW)
FLA
MOCP
Circuit Amps
18.3/16.0
8.0
208/230-3-60
460-3-60
187-253
414-506
518-632
187-253
414-506
518-632
187-253
414-506
518-632
5.0 (3.73)
5.0 (3.73)
5.0 (3.73)
7.5 (5.59)
7.5 (5.59)
7.5 (5.59)
10.0 (7.46)
10.0 (7.46)
10.0 (7.46)
14.6/12.8
6.4
30/25
15
40RUA*25
40RUS*25
575-3-60
5.1
6.4
15
208/230-3-60
460-3-60
21.4/19.4
9.7
26.9/24.3
12.1
45/40
20
40RUA*28
40RUS*28
575-3-60
7.8
9.8
15
208/230-3-60
460-3-60
28.2/26.8
13.4
35.3/33.5
16.8
60/60
30
40RUA*30
40RUS*30
575-3-60
10.3
12.9
20
See Legend and Notes below.
Table 5 — Electrical Data, Alternate Motors
FAN MOTOR
VOLTAGE
POWER SUPPLY
UNIT
V-PH-Hz†
Minimum
LIMITS
Hp (kW)
FLA
MOCP
Circuit Amps
208/230-3-60
460-3-60
187-253
414-506
518-632
187-253
414-506
518-632
7.5 (5.59)
7.5 (5.59)
7.5 (5.59)
10.0 (7.46)
10.0 (7.46)
10.0 (7.46)
21.4/19.4
9.7
26.9/24.3
12.1
45/40
20
40RUA*25
40RUS*25
575-3-60
7.8
9.8
15
208/230-3-60
460-3-60
28.2/26.8
13.4
35.3/33.5
16.8
60/60
30
40RUA*28
40RUA*30
40RUS*28
40RUS*30
575-3-60
10.3
12.9
20
See Legend and Notes below.
Legend and Notes For Tables 4 and 5
LEGEND
Determine maximum deviation from average voltage
(AB) 397 – 393 = 4 v
(BC) 403 – 397 = 6 v
(AC) 397 – 396 = 1 v
FLA
MOCP
— Full Load Amps
—
Maximum Overcurrent Protection
Maximum deviation is 6 v.
Determine percent voltage imbalance.
6
% Voltage Imbalance = 100 x
397
†
Motors are designed for satisfactory operation within 10% of nominal
voltages shown. Voltages should not exceed the limits shown in the
Voltage Limits column.
NOTES:
1. Minimum circuit amps (MCA) and MOCP values are calculated in accor-
dance with NEC (National Electrical Code), Article 440.
2. Motor FLA values are established in accordance with UL (Underwriters’
Laboratories) Standard 1995.
= 1.5%
This amount of phase imbalance is satisfactory because it is below the maxi-
mum allowable 2%.
3. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is
greater than 2%. Use the following formula to determine the percentage of
voltage imbalance.
IMPORTANT: If the supply voltage phase imbalance is more than
2%, contact your local electric utility company immediately.
max voltage deviation from average voltage
% Voltage Imbalance = 100 x
average voltage
EXAMPLE: Supply voltage is 400-3-50.
AB = 393 v
BC = 403 v
AC = 396 v
393 + 403 + 396
Average Voltage =
3
1192
3
397
=
=
18
LEGEND
Equipment
EQUIP
GND
HC
HTR
IFC
IFM
TB
T’STAT
—
—
—
—
—
—
—
—
Ground
Heating Contactor
Electric Heater
Indoor-Fan Contactor
Indoor-Fan Motor
Terminal Block
Thermostat
Factory Wiring
Field Control Wiring
NOTE: Use copper conductors only.
Fig. 17 — Unit Wiring
19
Table 6 — Fan Contactor Coil Data
DISCHARGE CONNECTIONS — Duct
flanges
are
factory-supplied; they are shipped inside the unit attached to
the hairpin end of the coil tube sheet for field installation.
Using the existing screws, install the duct flanges on the unit’s
fan deck. Each fan discharge requires 2 flanges; each flange
must be bent in the middle to conform to the discharge
opening. See Fig. 19. After flanges are installed, connect them
to the supply duct using a canvas connection to prevent
vibration. It is important that this connection be properly
fabricated to prevent high air friction losses and air noise.
MAXIMUM
UNIT
VOLTAGE
(vac)
HOLDING
VA
40RU**
25, 28, 30
24
10
Connecting Ductwork — Refer to the Carrier System
Design Manual for the recommended design and layout of
ductwork. Fig. 18 shows recommended duct connection to
units with 2 fans.
RETURN CONNECTION — When
using
return-air
ductwork, route return-air duct to the unit’s return air inlet near
the filter rack, using a canvas connection to prevent
transmission of unit vibration. If the duct blocks off the unit’s
access panel, provide a slip joint in the ductwork to permit
removal for servicing.
OUTDOOR-AIR INLET CONNECTION — Connect outdoor-
air inlet to field-installed accessory economizer. Refer to
Economizer Installation Instructions.
UNIT OPERATION HAZARD
Failure to follow this caution could cause equipment
damage.
Do not operate unit without ductwork or discharge plenum
unless fan speed has been adjusted for external static
pressure of zero in. wg. Failure to do so may result in
motor overload.
Return-Air Filters — Type and size of filters are shown
in Tables 1A – 1D and are factory-supplied and factory-
installed. In all units with 2 fans, a filter replacement tool
(hook) is shipped inside the unit for field use when replacing
filters. See the Service section for instructions on filter element
replacement.
Fig. 18 — Typical Fan Discharge Connections for Multiple Fan Units
20
Fig. 19 — Duct Flange Installation
Most unit service can be performed by removing one or both of
START-UP
the unit’s side panels. Coil cleaning or removal or insulation
cleaning may require removal of a rear, top, or bottom panel,
depending on the unit’s orientation. When service is
completed, replace unit panels.
Before starting unit, check the following and correct as
necessary:
• Is unit solidly supported?
• Is fan adjusted for speed and pulley alignment?
• Are pulleys, motor, and bearings securely mounted?
• Are there any loose parts that will rattle or vibrate?
• Is condensate drain pan pitched for correct drainage?
• Are coil baffle plates tight against coil to prevent air
bypass?
Panels — Panels are fastened to unit frame with sheet metal
screws. Fan and coil compartment must be sealed tightly after
service to prevent air from bypassing the cooling coil.
Fan Motor Lubrication — Fan motor supplied with
unit is permanently lubricated and requires no further
lubrication.
• Are all panels securely fastened?
• Are all electrical connections correct and tight?
Fan Shaft Bearings — Size 25-30 units have pillow-
block bearings (Fig. 20) that must be lubricated with suitable
bearing grease approximately every 3 months. See Table 7 for
suitable lubricants.
Also refer to condensing unit instructions before starting a split
system. A split system start-up checklist is provided at the end
of these instructions.
Table 7 — Lubricant Data
MANUFACTURER
Mobil
LUBRICANT
Mobilplex EP No. 2
Prestige 42
SERVICE
Inspection and maintenance should be performed at regular in-
tervals and should include the following:
Sunoco
Texaco
Multifak 2
• Complete cleaning of cabinet, fan wheel, cooling coil,
condensate pan and drain, heating coils, and return-air
grille (if present).
Texaco
Regal AFB-2*
*Preferred lubricant, contains rust and oxidation inhibitors.
• Inspection of panels and sealing of unit against air
leakage.
• Adjustment of fan motor, belt, bearings, and wheels.
• Cleaning or replacement of filters.
• Testing for cooling/heating system leaks.
• Checking of all electrical connections.
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal injury
or death.
Before performing service or maintenance operations on
unit, always turn off main power switch to unit and install
lockout tag. Unit may have more than one power switch.
Fig. 20 — Fan Shaft, Bearings, and Fan Wheel (Typical)
21
Centering Fan Wheel — If fan and fan shaft assembly
are not properly centered, blades may scrape against the blower
side scroll plate or may create an objectionable whistling noise.
It may be necessary to adjust individual fan wheels or move en-
tire fan shaft. See the following two sections.
Individual Fan Wheel Adjustment — Loosen the
2 locking bolts holding fan wheel hub to shaft. See Fig. 20.
Position fan wheel in center of the fan housing and tighten
locking bolts. Clearance between wheel and housing should be
the same on both sides.
Fan Shaft Position Adjustment — Loosen set-
screw or locking collar of each fan shaft bearing. Slide shaft
into correct position and replace locking collar (Fig. 21). To re-
place locking collar, push collar up against inner face of bear-
ing. Turn collar in direction of fan rotation until tight, and tight-
en setscrew. Tightening locking collar in direction of fan rota-
tion results in further tightening of collar should setscrew work
itself loose.
Fan Belts — Motor mounting plate and motor support
angles are slotted to permit both vertical and horizontal
adjustment. Adjust belt(s) for correct deflection by loosening
motor plate mounting bolts, moving motor/plate assembly
forward or back, and retightening bolts. Press down on belt
with one finger midway between fan and motor pulleys to
1
check deflection. The correct deflection is / -in. (3.2 mm). See
8
Fig. 22.
If complete belt replacement is required during servicing,
loosen the motor plate mounting bolts (Fig. 22), move motor/
plate assembly towards fan pulley, and pull belt(s) off pulleys.
Reverse the procedure with new bolts and readjust deflection.
Fan Rotation — Correct fan rotation with respect to fan
outlet is shown in Fig. 23.
To reverse the direction of rotation of a 3-phase fan motor,
reverse any 2 of the power leads. Refer to the connection
diagram on the inside of motor terminal box cover for proper
reversing procedure of single-phase motor.
Fig. 21 — Fan Shaft Bearing
Fig. 22 — Fan Motor Mounting
22
Fig. 23 — Fan Rotation
Fan Pulley Alignment — Align as follows:
1. Loosen setscrews on pulleys.
2. Align pulleys visually and tighten setscrews on fan pulley
to lock it in place.
3. Use the methods shown in Fig. 24 to check proper pulley
alignment.
4. If pulleys are not in correct alignment, loosen the motor
holddown bolts and slide the motor axially until the
pulleys are aligned.
Fig. 24 — Fan Pulley Adjustments
5. Tighten motor holddown bolts.
Alternative freeze protection methods follow:
• Circulate hot water within the water coil’s supply main
or supplementary space heating.
• Close off supply lines to unit and open a union or field-
supplied drain valve in the return line.
Pulley and Drive Adjustment — To obtain desired
fan speed, refer to the fan motor and drive data in Tables
8A-11D and adjust fan motor pulley as follows:
1. Remove belt from fan motor pulley after loosening motor
from motor base.
2. Loosen setscrew in moveable flange of pulley. Screw
moveable flange toward fixed flange to increase the fan
speed and away from fixed flange to reduce speed.
Before tightening setscrew, make certain that setscrew is
over nearest flat surface of pulley hub (Fig. 24).
IMPORTANT: Draining from return line will not com-
pletely drain water from coils.
• After draining as much water as possible from coils, add
sufficient antifreeze to prevent residual water in the coil
from freezing.
• Add a sufficient quantity of non-corrosive antifreeze to
the entire system to prevent all water within the system
from freezing.
UNIT OPERATION HAZARD
Failure to follow this caution could cause equipment
damage.
Increasing fan speed produces a greater load on motor. Do
not exceed rated capacity of motor.
Coil Removal — Remove unit panels and corner posts as
required. Disconnect coil connections and remove fastening
screws. Remove coil through end or side sections of unit.
Cleaning Cooling Coil — Remove return-air filters.
Remove any heavy dirt that may have accumulated on under-
side of coil. Coil can be cleaned more easily with a stiff brush,
vacuum cleaner, or compressed air when coil is dry. If coil is
wet or if water is to be used for cleaning, guard against splash-
ing water on electrical components or damaging surrounding
area. Clean coil baffles as applicable and check for tight fit to
be sure air does not bypass coil.
Condensate Drains — Keep condensate drains free of
dirt and foreign matter.
Return-Air Filters — Refer to Replacing Filters section
for filter accessibility and removal. Replace with clean filters of
the sizes listed in Tables 1A-1D.
Chilled Water Coil Freeze Protection — Shut off
water supply to unit. Remove side panel of unit and remove
vent and drain plugs in top and bottom of coil header. Drain
coil and blow out remaining water. Reinstall plugs and side
panel.
Cleaning Insulation — The insulation contains an im-
mobilized antimicrobial agent that helps prevent the growth of
bacteria and fungi. Clean the inner surface of the insulation
according to the separate maintenance instructions shipped
with the unit.
23
Replacing Filters — Filters can be removed and in-
stalled from either side of the unit. Install new filters in units
that have one fan as follows:
1. Remove the side access panel (retain screws).
2. Remove the filter retainer clip (see Fig. 25).
3. Remove old filters by lifting and tilting them out of the
filter track. See Fig. 15 and 26. Use the factory-supplied
filter hook to slide filters within reach for removal. The
filter hook is shipped inside the unit in the filter track
4. Reverse the procedure to install new filters.
UNIT OPERATION HAZARD
Failure to follow this caution could cause equipment
damage.
Do not operate unit without air filters.
Fig. 26 — Filter Removal/Replacement
FILTER
RETAINE
CLIP
SLIDE
Fig. 25 — Remove Filter Retainer Clip
24
Table 8A — Fan Motor Data, Standard Motor — English
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
208/230-3-60 and 460-3-60
Speed (rpm)
Hp
1745
5.0
1745
7.5
1745
10.0
Frame (NEMA)
Shaft Dia (in.)
575-3-60
S184T
11/8
S213T
13/8
S215T
13/8
Speed (rpm)
Hp
1745
5.0
1755
7.5
1755
10.0
Frame (NEMA)
Shaft Dia (in.)
184T
11/8
S213T
13/8
D215T
13/8
LEGEND
NEMA — National Electrical Manufacturers Association
Table 8B — Fan Motor Data, Alternate Motor — English
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
208/230-3-60 and 460-3-60
Speed (rpm)
Hp
1745
7.5
1745
10.0
1745
10.0
Frame (NEMA)
Shaft Dia (in.)
575-3-60
S213T
13/8
S215T
13/8
S215T
13/8
Speed (rpm)
Hp
1755
7.5
1750
10.0
1750
10.0
Frame (NEMA)
Shaft Dia (in.)
S213T
13/8
D215T
13/8
D215T
13/8
LEGEND
NEMA — National Electrical Manufacturers Association
25
Table 8C — Fan Motor Data, Standard Motor — SI
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
208/230-3-60 and 460-3-60
Speed (r/s)
29.08
3.73
29.08
5.60
29.08
7.46
Shaft kW
Frame (NEMA)
Shaft Dia (mm)
575-3-60
S184T
28.6
S213T
34.9
S215T
34.9
Speed (r/s)
29.08
3.73
29.25
5.60
29.25
7.46
Shaft kW
Frame (NEMA)
Shaft Dia (mm)
184T
28.6
S213T
34.9
S215T
34.9
LEGEND
NEMA — National Electrical Manufacturers Association
Table 8D — Fan Motor Data, Alternate Motor — SI
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
208/230-3-60 and 460-3-60
Speed (r/s)
29.08
5.60
29.17
7.46
29.17
7.46
Shaft kW
Frame (NEMA)
Shaft Dia (mm)
575-3-60
S213T
34.9
S215T
34.9
S215T
34.9
Speed (r/s)
29.25
5.60
29.17
7.46
29.17
7.46
Shaft kW
Frame (NEMA)
Shaft Dia (mm)
S213T
34.9
D215T
34.9
D215T
34.9
LEGEND
NEMA — National Electrical Manufacturers Association
26
Table 9A — Standard Drive Data, 60 Hz — English
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)
3.7-4.7
3.0
4.3-5.3
3.0
4.3-5.3
3.0
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (in.)
Pulley Bore (in.)
Belt No. — Section
9.4
17/16
11.0
11.0
115
/
115
/
16
16
2—B
2—B†
2—B†
(2) 42.8
(2) 43.8
(2) 42.8
(2) 43.8
Belt Pitch (in.)
41.8
FAN SPEEDS (rpm)
Factory Setting
771
679-863
1200
752
682-841
1100
752
674-831
1100
Range
Max Allowable Speed (rpm)
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
15.3
13.1
13.1
MAX FULL TURNS FROM
CLOSED POSITION
6
6
6
9.12-
10.99
6.67-
9.43
6.67-
9.43
SHAFTS CENTER DISTANCE (in.)
†
Four belts shipped with unit. Use correct set of 2 belts sized according to the pully setting.
Table 9B — Medium-Static Drive Data, 60 Hz — English
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)
4.3-5.3
3.0
4.3-5.3
3.0
4.3-5.3
3.0
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (in.)
Pulley Bore (in.)
Belt No. — Section
9.4
17/16
9.4
9.4
115
/
115
/
16
16
1—B
2—B†
2—B†
(2) 38.8
(2) 39.8
(2) 38.8
(2) 39.8
Belt Pitch (in.)
41.8
FAN SPEEDS (rpm)
Factory Setting
881
798-984
1200
881
798-984
1100
881
798-984
1100
Range
Max Allowable Speed (rpm)
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
15.3
15.3
15.3
MAX FULL TURNS FROM
CLOSED POSITION
6
6
6
9.16-
10.99
6.67-
9.43
6.67-
9.43
SHAFTS CENTER DISTANCE (in.)
†
Four belts shipped with unit. Use correct set of 2 belts sized according to the pully setting.
27
Table 9C — High-Static Drive Data, 60 Hz — English
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)
4.3-5.3
3.0
4.3-5.3
3.0
4.3-5.3
3.0
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (in.)
Pulley Bore (in.)
Belt No. — Section
Belt Pitch (in.)
7.4
8.6
8.6
17/16
2—B
36.8
115
/
115
/
16
16
2—B
378
2—B
37.8
FAN SPEEDS (rpm)
Factory Setting
1118
1024
1024
1014-
1200†
873-
1075
873-
1075
Range
Max Allowable Speed (rpm)
1200
1100
16.7
1100
16.7
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
19.4
MAX FULL TURNS FROM
CLOSED POSITION
6
6
6
8.16-
10.02
6.67-
9.43
6.67-
9.43
SHAFTS CENTER DISTANCE (in.)
†
It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT exceed 1200 rpm.
Table 9D — Standard Drive Data, 60 Hz — SI
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
MOTOR DRIVE
94.0-
119.4
109.2-
134.6
109.2-
134.6
Motor Pulley Pitch Diameter (mm)
Pulley Factory Setting
Full Turns Open
3.0
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (mm)
Pulley Bore (mm)
Belt No. — Section
239
36.5
2—B
279
49.2
2—B†
279
49.2
2—B†
(2) 1987
(2) 1113
(2) 1987
(2) 1113
Belt Pitch (mm)
1062
FAN SPEEDS (r/s)
Factory Setting
Range
12.9
11.3-14.4
20.0
12.5
11.4-14.0
18.3
12.5
11.2-13.9
18.3
Max Allowable Speed (r/s)
Change per 1/2Turn of
Moveable Motor Pulley
Flange
0.255
0.218
0.218
MAX FULL TURNS FROM
CLOSED POSITION
6
6
6
SHAFTS CENTER DISTANCE (mm)
232-279
169-240
169-240
†
Four belts shipped with unit. Use correct set of 2 belts sized according to the pully setting.
28
Table 9E — Medium-Static Drive Data, 60 Hz — SI
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS830
UNIT
MOTOR DRIVE
109.2-
134.6
109.2-
134.6
109.2-
134.6
Motor Pulley Pitch Diameter (mm)
Pulley Factory Setting
Full Turns Open
3.0
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (mm)
Pulley Bore (mm)
Belt No. — Section
239
36.5
1—B
239
49.2
2—B†
239
49.2
2—B†
(2) 986
(2) 1011
(2) 986
(2) 1011
Belt Pitch (mm)
1062
FAN SPEEDS (r/s)
Factory Setting
Range
14.7
13.3-16.4
20.0
14.7
13.3-16.4
18.3
14.7
13.3-16.4
18.3
Max Allowable Speed (r/s)
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
0.255
0.255
0.255
MAX FULL TURNS FROM
CLOSED POSITION
6
6
6
SHAFTS CENTER DISTANCE (mm)
232-279
169-240
169-240
†
Four belts shipped with unit. Use correct set of 2 belts sized according to the pully setting.
Table 9F — High-Static Drive Data, 60 Hz — SI
40RUA*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
UNIT
MOTOR DRIVE
109.2-
134.6
109.2-
134.6
109.2-
134.6
Motor Pulley Pitch Diameter (mm)
Pulley Factory Setting
Full Turns Open
3.0
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (mm)
Pulley Bore (mm)
Belt No. — Section
Belt Pitch (mm)
FAN SPEEDS (r/s)
Factory Setting
188
36.5
2—B
935
203†
49.2
2—B
935
203
49.2
2—B
960
18.6
17.1
17.1
16.9-
20.0†
14.6-
17.9
14.6-
17.9
Range
Max Allowable Speed (r/s)
20.0
18.3
18.3
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
0.323
0.278
0.278
MAX FULL TURNS FROM
CLOSED POSITION
6
6
6
SHAFTS CENTER DISTANCE (mm)
207-255
169-240
169-240
†
It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT exceed 20 r/s.
29
Table 10A — 40RU Standard Fan Performance Data —
0.0-2.4 in. wg External Static Pressure — English
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(Cfm)
UNIT
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
6,000
7,000
8,000
9,000
10,000
532
608
686
764
843
1.25
1.93
2.83
3.97
5.38
569
641
716
791
868
1.39
2.09
3.01
4.18
5.62
639
702
770
841
914
1.69
2.42
3.38
4.59
6.09
711
763
823
888
957
2.06
2.08
3.77
5.02
6.55
781
824
876
935
1000
2.48
3.23
4.21
5.47
7.02
846
885
930
982
1042
2.93
3.71
4.70
5.96
7.53
905
943
983
1030
1084
3.60
4.23
5.24
6.51
8.08
40RUA*25
40RUS*25
7,500
8,750
10,000
11,250
12,500
15,000
456
521
587
653
720
829
1.29
1.98
2.88
4.03
5.46
8.84
490
551
614
678
743
850
1.47
2.18
3.11
4.29
5.75
9.19
556
608
664
724
785
888
1.85
2.61
3.59
4.82
6.33
9.88
621
664
714
768
825
924
2.25
3.07
4.09
5.37
6.93
10.57
678
720
763
812
865
958
2.64
3.53
4.62
5.95
7.55
11.27
729
770
812
856
904
991
3.06
3.99
5.15
6.54
8.20
778
816
857
899
944
3.60
4.45
5.68
7.14
8.86
40RUA*28
40RUS*28
11.99 1024 12.73
9,000
10,500
12,000
13,500
15,000
521
596
673
751
829
1.99
3.16
4.63
6.51
8.84
550
623
698
773
850
2.25
3.40
4.90
6.82
9.19
616
672
743
815
888
2.77
3.89
5.45
7.44
9.88
676
720
785
853
924
3.23
4.40
6.02
8.06
10.57
731
767
826
890
958
3.72
4.94
6.62
8.71
11.27
782
814
867
927
991
4.20
5.50
7.23
9.38
829
859
908
963
4.70
6.05
7.87
40RUA*30
40RUS*30
10.07
11.99 1024 12.73
See Legend and Notes on page 34.
Table 10A — 40RU Standard Fan Performance Data —
0.0-2.4 in. wg External Static Pressure — English (cont)
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(Cfm)
UNIT
1.4
1.6
1.8
2.0
2.2
2.4
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
6,000
7,000
8,000
9,000
10,000
954
990
1028
1073
1126
3.83
4.74
5.79
7.11
8.75
1005
1040
1078
1120
1166
4.27
5.24
6.38
7.72
9.37
1052
1090
1130
1169
—
4.72
5.80
7.00
8.37
—
1098
1135
1173
—
5.22
6.30
7.60
—
1142
1176
—
—
—
5.67
6.84
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*25
40RUS*25
—
—
7,500
8,750
10,000
11,250
12,500
15,000
831
859
900
941
984
1057
4.41
4.97
6.20
7.73
9.53
13.49
870
901
939
980
1022
1090
5.10
5.59
6.74
8.32
10.19
14.28
913
944
976
1017
1058
—
5.90
6.42
7.33
8.90
10.84
—
950
980
1013
1052
1093
—
6.88
7.20
8.00
9.51
11.49
—
985
1020
1050
1088
—
7.70
8.10
8.82
10.16
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*28
40RUS*28
—
—
9,000
10,500
12,000
13,500
15,000
866
902
949
1000
1057
5.20
6.60
8.50
10.78
13.49
899
942
988
1036
1090
5.85
7.14
9.14
11.49
14.28
950
980
1026
1073
—
6.65
7.70
9.76
12.21
—
989
1016
1062
—
7.38
8.31
10.38
—
1029
1051
1095
—
8.32
8.99
11.01
—
1077
1085
—
—
—
9.74
9.77
—
—
—
40RUA*30
40RUS*30
—
—
—
—
See Legend and Notes on page 34.
30
Table 10B — 40RU Standard Fan Performance Data —
0-600 kPa External Static Pressure — SI
EXTERNAL STATIC PRESSURE (kPa)
AIRFLOW
(L/s)
UNIT
0
50
100
150
200
250
300
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
2830
3300
3780
4250
4720
8.86
10.14
11.43
12.74
14.05
0.94
1.44
2.11
9.48
10.69
11.93
1.04
1.56
2.25
10.65
11.70
12.84
14.02
15.23
1.26
1.81
2.52
3.43
4.54
11.84
12.71
13.71
14.81
15.96
1.53
2.08
2.81
3.74
4.88
13.01
13.73
14.60
15.59
16.66
1.85
2.41
3.14
4.08
5.24
14.10
14.74
15.49
16.37
17.36
2.19
2.77
3.51
4.45
5.62
15.08
15.71
16.39
17.17
18.07
2.53
3.15
3.91
4.85
6.03
40RUA*25
40RUS*25
2.96 13.119 3.12
4.01
14.47
4.19
3540
4130
4720
5310
5900
7.60
8.68
9.78
10.89
12.00
0.96
1.47
2.15
3.01
4.07
8.16
9.18
10.23
11.30
12.38
1.09
1.62
2.32
3.20
4.29
9.27
10.13
11.07
12.06
13.09
1.38
1.94
2.67
3.59
4.72
10.34
11.07
11.89
12.80
13.75
1.68
2.29
3.05
4.00
5.17
11.30
11.99
12.72
13.53
14.41
1.97
2.63
3.45
4.43
5.63
12.15
12.84
13.53
14.27
15.07
2.28
2.97
3.84
4.88
6.11
12.97
13.60
14.29
14.99
15.74
2.68
3.32
4.23
5.33
6.61
40RUA*28
40RUS*28
4250
4960
5660
6370
7080
8.68
9.93
11.21
12.51
13.82
1.48
2.35
3.45
4.85
6.59
9.17
10.38
11.63
12.89
14.17
1.68
2.53
3.66
5.08
6.85
10.27
11.21
12.38
13.58
14.81
2.07
2.90
4.07
5.54
7.36
11.27
11.99
13.08
14.22
15.40
2.41
3.28
4.49
6.01
7.88
12.19
12.78
13.76
14.83
15.97
2.77
3.68
4.93
6.49
8.40
13.03
13.56
14.45
15.44
16.52
3.13
4.10
5.39
6.99
8.94
13.81
14.32
15.14
16.05
17.06
3.50
4.51
5.87
7.51
9.49
40RUA*30
40RUS*30
See Legend and Notes on page 34.
Table 10B — 40RU Standard Fan Performance Data —
0-600 kPa External Static Pressure — SI (cont)
EXTERNAL STATIC PRESSURE (kPa)
450 500
AIRFLOW
UNIT
(L/s)
350
400
550
600
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
2830
3300
3780
4250
4720
15.90
16.50
17.13
17.88
18.77
2.86
3.53
4.32
5.30
6.52
16.75
17.33
17.97
18.67
19.43
3.18
3.91
4.76
5.76
6.99
17.53
18.17
18.83
19.48
—
3.52
4.32
5.22
6.24
—
18.30
18.92
19.55
—
3.89
4.70
5.67
—
19.03
19.60
—
—
—
4.23
5.10
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*25
40RUS*25
—
—
3540
4130
4720
5310
5900
13.85
14.31
14.99
15.68
16.39
3.29
3.71
4.62
5.77
7.10
14.50
15.01
15.65
16.34
17.03
3.80
4.17
5.02
6.20
7.60
15.22
15.74
16.27
16.95
17.64
4.40
4.79
5.46
6.64
8.08
15.83
16.33
16.88
17.53
18.22
5.13
5.37
5.97
7.09
8.57
16.42
17.00
17.50
18.09
—
5.74
6.04
6.57
7.58
—
—
—
—
—
—
—
—
—
—
—
40RUA*28
40RUS*28
4250
4960
5660
6370
7080
14.43
15.04
15.81
16.66
17.61
3.88
4.92
6.34
8.04
10.06
14.98
15.71
16.47
17.27
18.16
4.36
5.32
6.81
8.57
10.64
15.84
16.33
17.10
17.88
—
4.96
5.74
7.28
9.10
—
16.48
16.93
17.69
—
5.50
6.20
7.74
—
17.16
17.51
18.26
—
6.21
6.70
8.21
—
17.96
18.09
—
—
—
7.26
7.29
—
—
—
40RUA*30
40RUS*30
—
—
—
—
See Legend and Notes on page 34.
31
Table 10C — 40RU High-Capacity Fan Performance Data —
0.0-2.4 in. wg External Static Pressure — English
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(Cfm)
UNIT
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
6,000
7,000
8,000
9,000
10,000
542
620
700
781
862
1.29
1.99
2.92
4.10
5.56
577
652
728
806
885
1042
2.15
3.10
4.30
5.79
646
711
781
854
929
1.72
2.48
3.46
4.71
6.24
716
771
833
900
971
2.09
2.85
3.85
5.13
6.70
785
831
885
946
1012
2.51
3.28
4.29
5.58
7.18
849
890
938
993
1054
2.95
3.76
4.78
6.08
7.69
907
947
990
1039
1096
3.40
4.27
5.32
6.62
8.24
40RUA*25
40RUS*25
7,500
8,750
10,000
11,250
12,500
476
545
615
685
756
1.39
2.14
3.12
4.37
5.92
510
574
641
709
778
1.58
2.35
3.36
4.64
6.22
579
633
692
754
819
1.99
2.81
3.87
5.20
6.83
644
691
743
800
860
2.40
3.29
4.41
5.79
7.47
701
747
794
845
901
2.81
3.77
4.96
6.40
8.14
752
797
843
891
942
3.29
4.25
5.51
7.02
8.83
804
842
888
935
983
3.96
4.76
6.05
7.64
9.52
40RUA*28
40RUS*28
9,000
10,500
12,000
13,500
15,000
539
620
701
783
865
2.18
3.37
4.94
6.95
9.45
569
646
724
804
884
2.39
3.62
5.22
7.27
9.81
626
695
769
844
921
2.85
4.13
5.80
7.91
683
744
811
883
956
3.34
4.68
6.40
8.57
739
793
854
920
991
3.83
5.25
7.04
9.26
791
842
897
958
4.32
5.83
7.69
9.97
837
888
940
996
4.82
6.41
8.36
40RUA*30
40RUS*30
10.71
10.52
11.24
11.98 1025 12.75 1059 13.54
See Legend and Notes on page 34.
Table 10C — 40RU High-Capacity Fan Performance Data —
0.0-2.4 in. wg External Static Pressure — English (cont)
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(Cfm)
UNIT
1.4
1.6
1.8
2.0
2.2
2.4
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
6,000
7,000
8,000
9,000
10,000
961
3.86
4.79
5.88
7.21
8.83
1011
1050
1090
1133
1180
4.31
5.32
6.47
7.82
9.46
1058
1097
1137
1178
—
4.77
5.85
7.07
8.47
—
1104
1142
1181
—
5.24
6.38
7.67
—
1147
1184
—
—
—
5.71
6.91
—
—
—
—
—
—
—
—
—
—
—
—
—
1000
1041
1086
1138
40RUA*25
40RUS*25
—
—
7,500
8,750
10,000
11,250
12,500
874
886
930
976
1023
5.33
5.36
6.60
8.25
10.20
897
930
969
1014
1061
5.91
6.13
7.20
8.86
10.88
940
982
1007
1051
1097
6.80
7.32
7.89
9.49
11.56
990
1020
1045
1086
—
7.50
8.10
8.71
10.17
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*28
40RUS*28
9,000
10,500
12,000
13,500
15,000
881
930
981
1035
1093
5.37
6.97
9.02
11.45
14.35
923
970
1021
1072
—
6.03
7.55
9.67
12.20
—
967
1008
1058
—
6.89
8.17
10.32
—
1020
1045
1094
—
8.25
8.86
10.97
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*30
40RUS*30
—
—
—
—
See Legend and Notes on page 34.
32
Table 10D — 40RU High-Capacity Fan Performance Data —
0-600 kPa External Static Pressure — SI
EXTERNAL STATIC PRESSURE (kPa)
AIRFLOW
(L/s)
UNIT
0
50
100
150
200
250
300
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
2830
3330
3780
4250
4720
9.03
10.34
11.67
13.01
14.36
0.96
1.48
2.17
3.05
4.15
9.62
10.86
12.14
13.44
14.75
1.06
1.60
2.31
3.21
4.32
10.77
11.85
13.02
14.23
15.48
1.29
1.85
2.58
3.51
4.66
11.94
12.84
13.88
15.00
16.18
1.56
2.12
2.87
3.82
4.99
13.08 1087 14.15
2.20
2.80
3.56
4.53
5.73
15.12
15.78
16.50
17.32
18.26
2.54
3.18
3.96
4.94
6.14
13.85
14.75
15.77
16.87
2.45
3.20
4.16
5.35
14.84
15.63
16.54
17.56
40RUA*25
40RUS*25
3540
4130
4720
5310
5900
7.94
9.08
10.24
11.42
12.60
1.04
1.59
2.33
3.26
4.42
8.51
9.57
10.68
11.81
12.96
1.18
1.75
2.51
3.46
4.64
9.65
10.55
11.53
12.57
13.65
1.48
2.10
2.88
3.88
5.09
10.73
11.52
12.39
13.33
14.33
1.79
2.46
3.29
4.32
5.57
11.68
12.45
13.24
14.09
15.01
2.10
2.81
3.70
4.77
6.07
12.53
13.28
14.05
14.85
15.40
2.46
3.17
4.11
5.24
6.58
13.40
14.04
14.80
15.58
16.38
2.95
3.55
4.51
570
40RUA*28
40RUS*28
7.10
4250
4960
5660
6370
7080
8.99
10.33
11.68
13.04
14.42
1.62
2.51
3.68
5.18
7.05
9.49
10.77
12.07
13.40
14.74
1.78
2.70
3.90
5.42
7.31
10.44
11.59
12.81
14.07
15.36
2.12
3.08
4.33
5.90
7.84
11.39
12.40
13.52
14.71
15.94
2.49
3.49
4.77
6.39
8.38
12.32
13.22
14.23
15.34
16.51
2.86
3.92
5.25
6.90
8.93
13.18
14.03
14.95
15.97
17.08
3.22
4.35
5.74
7.44
9.51
13.95
14.79
15.66
16.61
3.59
4.78
6.23
7.98
40RUA*30
40RUS*30
17.65 10.10
See Legend and Notes on page 34.
Table 10D — 40RU High-Capacity Fan Performance Data —
0-600 kPa External Static Pressure — SI (cont)
EXTERNAL STATIC PRESSURE (kPa)
AIRFLOW
UNIT
(L/s)
350
400
450
500
550
600
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
r/s
kW
2830
3300
3780
4250
4720
16.01
16.67
17.35
18.11
18.96
2.88
3.57
4.39
5.37
6.58
16.85
17.50
18.17
18.88
19.67
3.22
3.96
4.82
5.83
7.05
17.64
18.28
18.95
19.63
—
3.56
4.36
5.27
6.31
—
18.39
19.03
19.68
—
3.91
4.75
5.72
—
19.12
19.73
—
—
—
4.26
5.15
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*25
40RUS*25
—
—
3540
4130
4720
5310
5900
14.57
14.76
15.49
16.26
17.04
3.97
3.99
4.92
6.15
7.61
14.95
15.51
16.15
16.91
17.68
4.41
4.57
5.37
6.61
8.11
15.67
16.36
16.78
17.51
18.28
5.07
5.46
5.88
7.08
8.62
16.50
17.00
17.42
18.10
—
5.59
6.04
6.50
7.58
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*28
40RUS*28
4250
4960
5660
6370
7080
14.68
15.51
16.35
17.24
18.22
4.00
5.20
6.72
8.54
10.70
15.38
16.17
17.01
17.87
—
4.49
5.63
7.21
9.10
—
16.12
16.80
17.64
—
5.14
6.09
7.69
—
17.00
17.41
18.23
—
6.15
6.61
8.18
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
40RUA*30
40RUS*30
—
—
—
—
See Legend and Notes on page 34.
33
Legend and Notes for Tables 10A and 10C
FACTORY-SUPPLIED PRESSURE DROP — ENGLISH
LEGEND
Bhp
ESP
—
—
Brake Horsepower Input to Fan
External Static Pressure
AIRFLOW
(Cfm)
PRESSURE DROP
(in. wg)
UNIT
NOTES:
6,000
8,000
10,000
0.12
0.19
0.26
1. Maximum allowable fan speed for size 25 units is 1200 rpm .
Maximum allowable fan speed for size 28 and 30 units is 1100
rpm.
40RUA*25
40RUS*25
2. Fan performance is based on deductions for wet coil, clean 2-in.
filters, and unit casing. See table at right for factory-supplied filter
pressure drop.
7,500
10,000
12,500
0.15
0.22
0.30
40RUA*28
40RUS*28
3. Refer to fan motor and drive tables for additional data.
9,000
12,000
15,000
0.19
0.29
0.40
40RUA*30
40RUS*30
Legend and Notes for Tables 10B and 10D
FACTORY-SUPPLIED PRESSURE DROP — SI
LEGEND
ESP — External Static Pressure
AIRFLOW
(L/s)
PRESSURE DROP
(Pa)
UNIT
NOTES:
1. Maximum allowable fan speed for size 25 units is 20 r/s.
Maximum allowable fan speed for size 28 and 30 units is 18.3 r/s.
2. Fan performance is based on deductions for wet coil, clean
51-mm filters, and unit casing. See table at right for factory-sup-
plied filter pressure drop.
2900
3800
4700
32
47
64
40RUA*25
40RUS*25
3. Refer to fan motor and drive tables for additional data.
3500
4700
5900
36
55
76
40RUA*28
40RUS*28
4250
5650
7050
47
71
98
40RUA*30
40RUS*30
Copyright 2009 Carrier Corp • 7310 W. Morris St. • Indianapolis, IN 46231
Printed in Mexico
Edition Date: 09/09
Catalog No: 40RU-03SI
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Replaces: New
34
START-UP CHECKLIST
(SPLIT SYSTEMS WITH 40RU UNITS)
I. PRELIMINARY INFORMATION
OUTDOOR: MODEL NO. _________________________
SERIAL NO. ___________________________________
INDOOR: MODEL NO. ___________________________
SERIAL NO. ___________________________________
ADDITIONAL ACCESSORIES ______________________________________________________________________________
II. PRE-START-UP
OUTDOOR UNIT
IS THERE ANY SHIPPING DAMAGE? _______________
(Y/N) ____
IF SO, WHERE: _________________________________________________________________________________________
_______________________________________________________________________________________________________
WILL THIS DAMAGE PREVENT UNIT START-UP?
CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT?
HAS THE GROUND WIRE BEEN CONNECTED?
(Y/N) _____
(Y/N) _____
(Y/N) _____
HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY?
ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY?
(Y/N) _______
(Y/N) _______
HAVE COMPRESSOR HOLDDOWN BOLTS BEEN LOOSENED?
CONTROLS
(Y/N) _____
ARE THERMOSTAT(S) AND INDOOR FAN CONTROL WIRING
CONNECTIONS MADE AND CHECKED?
(Y/N) _____
ARE ALL WIRING TERMINALS (including main power supply) TIGHT?
(Y/N) _____
HAVE OUTDOOR UNIT CRANKCASE HEATERS BEEN ENERGIZED FOR 24 HOURS?
INDOOR UNIT
(Y/N) ______
HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE?
(Y/N) _____
ARE PROPER AIR FILTERS IN PLACE?
(Y/N) _____
HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT?
(Y/N) ______
DO THE FAN BELTS HAVE PROPER TENSION?
(Y/N) _____
PIPING
40RUA
HAS FOAM SHIPPING BLOCK BEEN REMOVED FROM THE TXV (Thermostatic Expansion Valve)?
ARE LIQUID LINE SOLENOID VALVES LOCATED AT THE INDOOR UNIT COILS AS REQUIRED?
(Y/N) ______
(Y/N) _____
HAVE LEAK CHECKS BEEN MADE AT COMPRESSORS, CONDENSERS, INDOOR COILS,
TXVs (Thermostatic Expansion Valves) SOLENOID VALVES, FILTER DRIERS, AND FUSIBLE PLUGS
WITH A LEAK DETECTOR?
(Y/N) _____
LOCATE, REPAIR, AND REPORT ANY LEAKS. _______________________________________________________________
HAVE ALL COMPRESSOR SERVICE VALVES BEEN FULLY OPENED (BACKSEATED)
ARE THE COMPRESSOR OIL SIGHT GLASSES SHOWING CORRECT LEVELS?
40RUS
(Y/N) ____
(Y/N) _____
HAS AIR BEEN BLED FROM SYSTEM?
(Y/N) ___________________________________________
HAVE LEAK CHECKS BEEN MADE AT COMPRESSORS, CHILLERS, VALVES, AND INDOOR COILS?
(Y/N)
LOCATE, REPAIR, AND REPORT ANY LEAKS. _______________________________________________________________
CL-1
CHECK VOLTAGE IMBALANCE
LINE-TO-LINE VOLTS: AB ________ V
AC ______ V
BC ______ V
(AB + AC + BC)/3 = AVERAGE VOLTAGE = _______ V
MAXIMUM DEVIATION FROM AVERAGE VOLTAGE = _______ V
VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) = __________ %
IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM!
CALL LOCAL POWER COMPANY FOR ASSISTANCE.
III. START-UP
CHECK INDOOR FAN MOTOR SPEED AND RECORD.
AFTER AT LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:
COMP A1
COMP B1
OIL PRESSURE
SUCTION PRESSURE
SUCTION LINE TEMP
DISCHARGE PRESSURE
DISCHARGE LINE TEMP
ENTERING OUTDOOR UNIT AIR TEMP
LEAVING OUTDOOR UNIT AIR TEMP
INDOOR UNIT ENTERING AIR DB TEMP
INDOOR UNIT ENTERING AIR WB TEMP
INDOOR UNIT LEAVING AIR DB TEMP
INDOOR UNIT LEAVING AIR WB TEMP
OUTDOOR UNIT ENTERING WATER TEMP
(40RUS ONLY)
OUTDOOR UNIT LEAVING WATER TEMP
(40RUS ONLY)
INDOOR UNIT ENTERING WATER TEMP
(40RUS ONLY)
INTDOOR UNIT LEAVING WATER TEMP
(40RUS ONLY)
COMPRESSOR AMPS (L1/L2/L3)
____/____/____
____/____/____
CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES, ARE THE SIGHT GLASSES SHOWING
1
1
OIL LEVEL AT / to / FULL?
(Y/N) ______
8
3
NOTES:
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
Copyright 2009 Carrier Corp • 7310 W. Morris St. • Indianapolis, IN 46231
Printed in Mexico
Edition Date: 09/09
Catalog No: 40RU-03SI
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Pg CL-2
Replaces: New
|