52C and 52P
SERIES
OWNER’S MANUAL
PACKAGED TERMINAL AIR CONDITIONERS
AND HEAT PUMPS
7,000-15,000 Btuh
CONTENTS
Page
Page
CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . 10,11
GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INDOOR-AIR INLET FILTERS . . . . . . . . . . . . . . . . . . 10
EXTERNAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
INTERNAL PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
UNIT INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,3
FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ELECTRICAL DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ALL UNITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
VOLTAGE SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-7
CHASSIS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . 5
WALL THERMOSTAT INSTALLATION . . . . . . . . . . . 7
PREVENTATIVE MAINTENANCE. . . . . . . . . . . . . . . . 12
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
ACCESSORIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8,9
COMFORT CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . 8
OPERATING CONTROLS . . . . . . . . . . . . . . . . . . . . . . . 9
OPERATING MODES. . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1•800•894•6449 (in USA and Canada)
For Service/Technical Assistance
1•800•830•8600 (Mexico)
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52 PE
A
3
12
3
0
1
AA
Series Designation
PTAC (Packaged Terminal Air Conditioner)
Chassis Options
Comfort Series
CE – Cooling with Electric Heat
CQ – Heat Pump
AA – Standard
CP – Corrosion Protection
RC – Wall Thermostat Control (Not available
on cooling only units)
RP – Wall Thermostat Control with
Corrosion Protection (Not available on
cooling only units)
Premier Series
PC – Cooling Only
PE – Cooling with Electric Heat
PQ – Heat Pump
Latest Revision
A – Z
Packaging
1 – Domestic
Electric Heater Size
2 – 2.3 kW
3 – 3.4 kW
Non-Performance
Changes 0-9
5 – 5.0 kW
Cooling Capacity (nominal)
07 – 7,000 Btuh
Electrical Data
3 – 230/208-v, 60 Hz
4 – 265-v, 60 Hz
09 – 9,000 Btuh
12 – 12,000 Btuh
15 – 15,000 Btuh
FIGURE 3 — MODEL NUMBER NOMENCLATURE
To install the front panel follow the procedure outlined
below:
TOP PARTITION
1. Firmly grasp bottom of front panel on both sides.
2. Hold front panel at a 45 degree angle to unit. Be
sure front panel is centered with front of unit.
3. Connect top of front panel to partition rail on top
of unit.
4. Gently lower front panel onto chassis, ensuring
service cord is positioned through front panel slot.
NOTE: Magnets on bottom of front panel will secure
front panel to unit.
To install locking feature on front panel be sure front
panel is already installed on unit and follow the steps
below:
1
NOTE: Two field-supplied no. 8, /2 in. sheet metal
screws are required to secure front panel to chassis.
1. Remove both indoor air inlet filters to expose front
panel engagement holes. See Figure 4.
2. Secure front panel to chassis by attaching the
field-supplied screws into engagement holes. Do
not over tighten.
3. Replace both indoor air inlet filters.
NOTE: Front panel alignment may have to be
adjusted slightly to line with chassis.
DISCHARGE
DECK
ENGAGEMENT
HOLE
FRONT PANEL
SLOT
FIGURE 4 — FRONT PANEL INSTALLATION
WITH LOCKING FEATURE
3
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ꢀ GROUNDING — For safety and protection, the unit
is grounded through the service cord plug or through
separate ground wire provided on hardwired units. Be
sure that the branch circuit or general purpose outlet
is grounded.
ELECTRICAL DATA
ELECTRICAL SHOCK HAZARD
TABLE 1 — SUGGESTED BRANCH CIRCUIT
WIRE SIZES*
DO NOT alter cord or plug, and DO NOT use an
extension cord. Personal injury or damage to the
unit may result.
NAMEPLATE AMPS
7.0 to 12
AWG WIRE SIZE†
14
12
10
Be sure that your outlet matches the appropriate
blade configuration of the supplied plug and that it is
within reach of the service cord. A hardwire kit is
available as an accessory to change cord-connected
units to hardwired units. (See Accessories table on
page 14.)
12.1 to 16
16.1 to 24
LEGEND
AWG — American Wire Gage
*Single circuit from main box.
†Based on copper wire at 60 C temperature rating.
IMPORTANT: All standard cord-connected 265-v
units will require a field-installed electrical sub-
base accessory.
VOLTAGE SUPPLY
Check voltage supply at outlet. For satisfactory re-
sults, the voltage range must always be within the
ranges found on the data information plate
(Figure 1).
ALL UNITS
ꢀ CORD-CONNECTED UNITS — The 250-v field-
supplied outlet must match the plug for the standard
208/230-v units and be within reach of the service
cord. The standard cord-connected 265-v units require
an accessory electrical subbase for operation. See
Accessories table, page 14, for subbase selection. Refer
to Table 2 for proper receptacle and fuse type.
ꢀ WIRE SIZE — Use recommended wire size given in
Table 1 and install a single branch circuit. All wiring
must comply with local and national codes. All u n it s
a r e d esign ed to op er a t e off sin gle br a n ch cir -
cu its on ly.
NOTE: Use copper conductors only.
TABLE 2 — RECEPTACLES AND FUSE TYPES — 250,265 VOLTS
RECEPTACLE
RATED VOLTS
15 Amps
250
20 Amps
250
30 Amps
250
15 Amps
265
20 Amps
265
30 Amps
265
TIME-DELAY TYPE
FUSE (or HACR Circuit Breaker)
15
20*
30
15
20
30
LEGEND
HACR — Heating, Air Conditioning, Refrigeration
*May be used for 15-amp applications if fused for 15 amp.
4
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INSTALLATION
CHASSIS INSTALLATION
FOAM STRIP
OR BAFFLE
FOAM STRIP
OR BAFFLE
Units are shipped without a sleeve. In applications
where unit is a replacement, it is recommended that a
Carrier sleeve be used. The 52C and 52P units can
retrofit General Electric, Amana and Trane sleeves/
grilles (be sure outdoor grille is installed on the
sleeve). A retrofit kit with instructions is included
with every unit. See Table 3 for details. Carrier Corpo-
ration must approve any other retrofit application. In
deep-wall applications, if an existing grille is used on
an outdoor wall opening, do not install an additional
outdoor grille on unit sleeve.
Be sure that the foam strips and/or baffles provide a
good seal between the grille and condenser coil tube
sheets. These foam strips or baffles provide a barrier
to separate condenser air from the major components
(compressor and fan motor). See Figures 5 to 8.
NOTE: Inspect wall sleeve for any damage or deterio-
ration before installing chassis.
FIGURE 5 — OUTDOOR GRILLE
TABLE 3 — RETROFIT WALL SLEEVES
MANUFACTURER*
WALL SLEEVE PART NUMBER
Metal Sleeve RAB71
General Electric
Plastic Sleeve RAB77
Metal Sleeve WS900B
Metal Sleeve SLV149
Amana
Trane
If baffles are not installed properly, loss of perfor-
mance and premature damage to the major compo-
nents can result.
*Retrofit kit is not needed for Carrier or Bryant applications.
INDOOR-AIR
INLET
FILTERS
DISCHARGE WIRE SCREEN
GRILLE
OUTDOOR
ORIFICE
COIL TUBE
SHEETS
BASEPAN
FRONT
PANEL
INDOOR
COIL
OUTDOOR
GRILLE
WALL
SLEEVE
FIGURE 6 — UNIT COMPONENTS
5
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ꢀ INSTALL CHASSIS IN SLEEVE (See Figures 6 to 9)
SIDE
GASKET
TOP
GASKET
1. Inspect foam gaskets (top, bottom, both sides) on
chassis. Replace foam gaskets if torn or missing.
IMPORTANT: The gaskets combine with the sleeve
face to create a weather barrier. If the chassis is
installed in a non-Carrier sleeve, this weather bar-
rier may not be effective.
Chassis weighs up to 150 lbs. For personal protec-
tion, seek help when lifting the unit. Lift unit by
holding unit basepan.
2. Remove shipping tape from vent door. See Figure 7.
COIL TUBE
SHEETS
BOTTOM
GASKET
FIGURE 8 — UNIT GASKETS
AND TUBE SHEETS
Failure to remove shipping tape will prevent fresh
air vent door from opening and may result in dam-
age to the vent door cable.
3. Lift chassis level with wall sleeve.
4. Slide chassis into wall sleeve until foam gaskets
rest firmly against front of wall sleeve.
3
5. Screw chassis to wall sleeve with four 1 /4-in. long
screws taped to the control box. Screw holes are
located on both sides of the mounting angles of the
chassis. Use only the top and bottom screw holes
on each side. See Figure 9.
TOP SCREW HOLE
BOTTOM SCREW
HOLE
FIGURE 9 — CHASSIS MOUNTING
VENT
DOOR
SHIPPING
TAPE
VENT DOOR
CABLE
FIGURE 7 — LOCATION OF SHIPPING TAPE
ON VENT DOOR
6
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WALL THERMOSTAT INSTALLATION
The following instructions apply to RC and RP units
only.
NOTE: Carrier thermostats are recommended. See
Accessories section.
4. Reinstall cover.
5. Set desired fan speed using fan switch (unit will
operate only at selected speed).
6. Restore power to unit.
NOTE: Refer to thermostat installation instructions
for details on installing thermostat.
IMPORTANT: Only trained, qualified personnel
and service mechanics should install electrical
accessories on Carrier 52C and 52P series products
per Carrier’s installation instructions. Please con-
tact your local electrical contractor, dealer, or dis-
tributor for assistance.
R
G
Y
W
O
C
TYPICAL
WALL
THERMOSTAT
ꢀ INSTALL THERMOSTAT — All remote control
units.
SEE
1. Check to be sure power to unit is disconnected.
2. Remove terminal board cover from control box
cover by removing screw (see Figure 10).
NOTE #1
SEE
NOTE #2
NOTE: Terminal connector can be removed and re-
placed to simplify thermostat wiring.
TERMINAL
BLOCK
3. Connect wires from terminals on the thermostat
to terminals on chassis terminal board connector.
See Figures 11 and 12.
NOTES:
1. Use terminal “O” for heat pump connection only.
2. Terminal C (common) typically is only required for digital thermostats.
3. See table below for terminal descriptions.
TERMINAL
DESIGNATION
24 VAC
Fan
Compressor
Electric Heat
Reversing Valve
Common
R
G
Y
W
O
C
TERMINAL
COVER
FAN
SWITCH
FIGURE 11 — WIRING CONNECTIONS
HI
LO
SCREW
R
G
Y
W
O
C
POWER
THERMOSTAT
CORD
FIGURE 12 — TERMINAL CONNECTOR
REMOVAL AND REPLACEMENT
FIGURE 10 — CONTROL BOX TERMINAL COVER
7
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OPERATION
The temperature limits are factory set to full range,
which is 60 F to 90 F. To set restricted rotation of the
temperature control knob:
1. Remove front panel.
2. Remove temperature control knob to expose tem-
perature limiter.
IMPORTANT: When unit is first started, high
humidity conditions can cause condensation to form
on discharge grille. Keep doors and windows closed.
Room humidity decreases and moisture evaporates.
COMFORT CONTROLS
3. Remove standoff pins from the 60 F and 90 F indi-
cator holes.
ꢀ ADJUST AIRFLOW DIRECTION — The discharge
air grille is mounted on the front panel so that the air
discharges forward. If upward discharge is required,
remove the grille by removing screws on back of front
panel. Rotate grille 180 degrees and reinstall on the
front panel.
4. Replace standoff pin in hole for desired minimum
temperature.
5. Replace standoff pin in hole for desired maximum
temperature.
6. Reinstall temperature control knob.
7. Reinstall front panel.
ꢀ ADJUST VENT — The vent handle is on the left
side of the unit. Turn handle to open or close vent.
Vent will remain in last desired position until handle
is turned again. Magnet will ensure positive closure.
See Figure 13.
NOTE: Temperature indicators stamped on tempera-
ture limiter are approximate and represent degrees F.
75
ꢀ SETTING TEMPERATURE LIMITS — Setting tem-
perature limits on the unit provides the user a
restricted range of temperature control. See Figure 14.
80
70
85
65
60
90
NOTE: This adjustment is optional and is not applica-
ble to remote control units.
TEMPERATURE
CONTROL
STANDOFF
PINS
CON
CYC
FAN CYCLE
SWITCH
VENT HANDLE
MAGNET
CLOSE
OPEN
SET
SCREW
OUTDOOR
THERMOSTAT
(HEAT PUMP
UNITS ONLY)
VENT
FILTER
VENT
DOOR
FIGURE 14 — OPERATING CONTROLS
FIGURE 13 — VENT DOOR
8
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To set unit to operate in electric heat mode only, turn
the setscrew to the electric heat position. See Fig. 14.
OPERATING CONTROLS
The following controls are located on the front of the
control box door, under front panel. To obtain access to
operating controls, remove the unit front panel as
shown on page 2. See Figure 14.
IMPORTANT: If setscrew on standard heat pump
unit is set to electric heat mode operation, the com-
pressor is disabled for both heating and cooling
operations. If setscrew on heat pump unit with wall
thermostat control is set to electric heat mode
operation, the compressor will be disabled only for
heating operation.
ꢀ FAN CYCLE SWITCH — (Not available on RC or RP
units.) This allows the fan to operate in two modes:
CON (Continuous) — This setting allows the fan to
run continuously, circulating air even when the tem-
perature setting has been satisfied. This switch helps
to maintain the room temperature closer to the ther-
mostat setting. Use this switch position when maxi-
mum comfort is desired. This is the factory default
setting.
CYC (Cycle) — This setting allows the fan to cycle on
and off with the compressor during heating or cooling.
The fan stops when the temperature setting is satis-
fied. This results in longer unit off-time and wider
variations in room temperature and humidity.
OPERATING MODES (See F igu r es 15
a n d 16.)
ꢀ OUTSIDE AIR — To bring outside air into occupied
space, turn the vent handle to the full open position.
See Figure 13.
ꢀ OFF — The OFF mode terminates unit operation.
ꢀ FAN— The FAN mode will circulate air in the space
at high speed and at high or low speed for cooling only
models.
ꢀ OUTDOOR THERMOSTAT (52CQ and 52PQ HEAT
PUMP UNITS ONLY) — If the setscrew is left at the
factory setting (in the heat pump position), the unit
will operate in the reverse cycle heating mode. See
Fig. 14. When the temperature of the outdoor coil
reaches 20° F (approximately 35° F outdoor air tem-
perature), the compressor will shut down. The electric
heater remains on until the temperature of the out-
door coil reaches 35° F (approximately 45° F outdoor
air temperature); then the electric heater is shut off
and the compressor is energized.
ꢀ HIGH HEAT OR HIGH COOL — Select mode and
rotate temperature knob to desired comfort level. This
function provides maximum heating or cooling, and is
recommended to raise or lower the room temperature
quickly.
ꢀ LOW HEAT OR LOW COOL — Select mode and
rotate temperature knob to desired comfort level. This
function provides minimum heating or cooling with
maximum dehumidification and quietest operation.
NOTE: 52C and 52P wall thermostat units have a
blank plate. See Figure 16.
FIGURE 16 — 52P UNIT WITH
WALL THERMOSTAT CONTROL SHOWN
(Blank Plate)
FIGURE 15 — 52P UNIT CONTROLS SHOWN
9
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CARE AND MAINTENANCE
In order to maintain proper performance of your pack-
aged terminal air conditioner or heat pump, it is very
important that the fan and outdoor coil, the blower
wheel, blower scroll, electric heater, and all drain pas-
sages are thoroughly cleaned at least once per year.
Carrier recommends that as a minimum, the cleaning
should be conducted prior to the start of each heating
season. The air inlet filters should be cleaned every
month.
Depending on local conditions, more frequent cleaning
of the unit may be required to ensure optimum perfor-
mance and long operating life. Examples of these spe-
cial conditions include areas where construction dust
or heavy airborne dirt is found, or environments that
promote the growth of fungus.
FIGURE 17 — INDOOR-AIR INLET
FILTER REMOVAL
Some local conditions and environments can cause
fungi to grow inside the air conditioner, especially
on indoor blower section. Dried fungi, dirt and other
foreign material are fire hazards. Be sure to clean
unit according to the instructions that follow.
INDOOR-AIR INLET FILTERS
ꢀ INDOOR-AIR INLET FILTERS should be cleaned
once each month.
IMPORTANT: Filters may become clogged if not
cleaned properly. Clogged filters will restrict air-
flow which may lead to severe component damage
and efficiency loss.
ꢀ CLEANING INDOOR-AIR INLET FILTER — Two
interchangeable air filters are located on the backside
of the front panel. Each can be removed and cleaned
one at a time. To remove and clean the filter, follow
the steps below:
1. Grasp filter with both hands.
2. Gently pull the filter up and away from the unit.
See Figures 6 and 17.
3. To clean filter, use a vacuum or soft bristle brush
with a small amount of mild detergent.
NOTE: If detergent is used, remove any detergent
residual with a gentle stream of clean water.
4. Allow filters to air dry.
5. Re-insert dry filters back into front panel.
Additional filters are available in multi-packs. Refer to
Accessories section.
10
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EXTERNAL PARTS
VENT HANDLE
ꢀ EXTERNAL PARTS include the polymer sleeve and
grilles. The sleeve manufacturer recommends cleaning
the surface, including the grilles, with household
detergent and water.
MAGNET
INTERNAL PARTS
E
S
O
L
C
OPEN
ꢀ INTERNAL PARTS should be cleaned at least once
during the year. The outdoor vent filter should be
cleaned at least once during a cooling or heating
season.
Internal parts that should be cleaned include the fol-
lowing (see Figures 6, 18, and 19):
• Outdoor vent filter
• Basepan
• Outdoor orifice and fan
• Indoor and outdoor refrigeration coils
• Indoor blower wheel
• Wire screen
VENT
VENT
DOOR
FILTER
FIGURE 18 — OUTDOOR VENT FILTER
(Left Side of Chassis)
• Scroll
• Wall sleeve internal surfaces
• Outdoor grille
BLOWER
WHEEL
SCROLL
FIGURE 19 — BLOWER WHEEL AND SCROLL
11
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PREVENTATIVE
MAINTENANCE
Preventative maintenance is essential to proper unit
operation, efficiency and longevity. To assure equip-
ment operates properly it must be properly main-
tained. Equipment operation should be checked and
verified several times during each year.
During regular unit inspection and maintenance, fol-
low the guidelines below:
• Wash both sides of outdoor coil
• Wash basepan and outdoor vent filter
• Wash the indoor coil
• Clean the blower wheel and front panel
• Clean or install new indoor-air inlet filter(s)
• Ensure knobs are secure and operable
• Inspect cord and receptacle
• Secure electrical connections
• Ensure front panel is properly mounted and not
damaged
• Ensure wall sleeve is installed properly
• Ensure heat and cool cycles operate properly
12
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TROUBLESHOOTING
POSSIBLE CAUSES
SOLUTIONS
UNIT DOES NOT START
• Unit may have become unplugged
• Fuse may have blown
• Check that plug is securely in wall receptacle.
• Replace the fuse. See Note 1.
• Circuit breaker may have been tripped
• Reset circuit breaker. See Note 1.
• Switch mode dial to an operating mode.
• Unit mode dial may be set to the OFF position
UNIT NOT COOLING/HEATING ROOM
• Unit air discharge section is blocked
• Make sure that curtains, blinds or furniture are not restricting or
blocking unit airflow.
• Temperature setting is not high or low enough
• Unit air filters are dirty
• Reset to a lower or higher temperature setting.
• Remove and clean filters.
• Room is excessively hot or cold when unit is started
• Allow sufficient amount of time for unit to heat or cool the room.
Start heating or cooling early before outdoor temperature, cooking
heat or gatherings of people make room uncomfortable.
• Close vent door.
• Vent door left open
UNIT MAKING NOISES
• Clicking, gurgling and whooshing noises are normal during operation of
unit.
WATER DRIPPING OUTSIDE
• If a drain kit has not been installed, condensation run-off during
very hot and humid weather is normal. See Note 2. If a drain kit
has been installed and is connected to a drain system, check
gaskets and fittings around drain for leaks and plugs.
WATER DRIPPING INSIDE
• Wall sleeve is not installed level
• Wall sleeve must be installed level for proper drainage of condensation.
Check that installation is level and make any necessary adjustments.
ICE OR FROST FORMS ON INDOOR COIL
• Low outdoor temperature
• When outdoor temperature is approximately 55 F or below, frost
may form on the indoor coil when unit is in Cooling mode. Switch
unit to FAN operation until ice or frost melts.
• Remove and clean filters.
• Dirty filters
NOTES:
1. If circuit breaker is tripped or fuse is blown more than once, contact a qualified electrician.
2. If unit is installed where condensation drainage could drip in an undesirable location, an
accessory drain kit should be installed and connected to drain system.
13
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ACCESSORIES
ACCESSORY
Wall Sleeves
FORM NUMBER
PART NUMBER
DESCRIPTION
52S-48SI
WALL-SLEEVE-1PK
WALL-SLEEVE-9PK
SLEEVE-INSUL-1PK
Non-Insulated Plastic Wall Sleeve, 1 per pack
Non-Insulated Plastic Wall Sleeve, 9 per pack
Insulated Plastic Wall Sleeve, 1 per pack
52S-50SI
SLEEVE-STEEL-1PK
SLEEVE-EXT24-1PK
FR-SLEEVE-EXT
Insulated Metal Wall Sleeve, 1 per pack
52S-49SI*
52C,P-12SI
Extended Metal Wall Sleeve for Deep Wall Applications (24 in. deep), 1 per pack
Friedrich wall sleeve extension to retrofit Carrier PTAC unit into Friedrich 111/2" deep (T Series) wall
sleeve. 1 per pack
Exterior Grilles† 52S-59SI
GRILLE-ALU-STAMP
Stamped Aluminum Exterior Grille, Clear Finish
52S-58SI
GRILLE-PLA-BROWN
GRILLE-PLA-BEIGE
Plastic Architectural Rear Grille, Brown
Plastic Architectural Rear Grille, Beige
52S-60SI
GRILLE-ALU-CLEAR
GRILLE-ALU-WHITE
GRILLE-ALU-BRONZ
GRILLE-ALU-MBRNZ
GRILLE-ALU-BROWN
GRILLE-ALU-BEIGE
GRILLE-ALU-ALPIN
GRILLE-ALU-PEACH
GRILLE-ALU-MELON
GRILLE-ALU-LGREY
GRILLE-ALU-SGREY
GRILLE-ALU-RDBRK
GRILLE-ALU-BLUE
GRILLE-ALU-GREEN
Aluminum Architectural Exterior Grille, Clear Finish
Aluminum Architectural Exterior Grille, White
Aluminum Architectural Exterior Grille, Light Bronze
Aluminum Architectural Exterior Grille, Medium Bronze
Aluminum Architectural Exterior Grille, Brown (Dark Bronze)
Aluminum Architectural Exterior Grille, Beige
Aluminum Architectural Exterior Grille, Alpine (matches Carrier Wall Sleeve)
Aluminum Architectural Exterior Grille, Peach
Aluminum Architectural Exterior Grille, Melon
Aluminum Architectural Exterior Grille, Light Grey
Aluminum Architectural Exterior Grille, Slate Gray
Aluminum Architectural Exterior Grille, Red Brick
Aluminum Architectural Exterior Grille, Blue
Aluminum Architectural Exterior Grille, Green
Subbase
52C,P-1SI
52C,P-2SI
SUBBASE-NON-ELEC
Non-electrical Subbase
SUBBASE-230V-15A
SUBBASE-230V-20A
SUBBASE-230V-30A
SUBBASE-265V-15A
SUBBASE-265V-20A
SUBBASE-265V-30A
Electrical subbase with factory-installed 208/230V, 15 amp receptacle
Electrical subbase with factory-installed 208/230V, 20 amp receptacle
Electrical subbase with factory-installed 208/230V, 30 amp receptacle
Electrical subbase with factory-installed 265V, 15 amp receptacle
Electrical subbase with factory-installed 265V, 20 amp receptacle
Electrical subbase with factory-installed 265V, 30 amp receptacle
52C,P-3SI
52C,P-4SI
52C,P-5SI
SUBBASE-HARDWIRE Electrical subbase with factory-installed hardwire kit (230/208V and 265V)
Subbase
Field-Installed
Kits
SUBBASE-SWITCH
Field-Installable Switch kit for an electrical subbase
SUBBASE-FUSE-15A
SUBBASE-FUSE-20A
SUBBASE-FUSE-30A
Field-Installed Fuse Kit (15 amp) for electrical subbase
Field-Installed Fuse Kit (20 amp) for electrical subbase
Field-Installed Fuse Kit (30 amp) for electrical subbase
Electrical
52C,P-11SI
52C,P-19SI
52S-53SI
N/A
HARDWIRE-KIT-1PK
CONDUIT-INTF-4PK
DRAIN-KIT-4PK
Permanent power connection to the unit (includes 36" of flexible conduit and unit-mounted
connector, 230/208V and 265V) 1 per pack
Connections
Interface kit for field-supplied conduit to provide permanent power connection (230/208V and 265V) to
the unit. Kit includes Molex connector for easy connect/disconnect. 4 per pack
Condensate
Drain Kit
Attaches to wall sleeve for controlled internal or external disposal of condensate 4 per pack
Wall
Thermostats
HH01AD045
Electro-mechanical Wall Thermostat (Heat/Cool and Heat Pump)
Value Series Electronic Thermostat w/Digital display (Heat/Cool Models)
Value Series Electronic Thermostat w/Digital display (Heat Pump Models)
7-Day Programmable Electronic Thermostat (Heat/Cool Models)
7-Day Programmable Electronic Thermostat (Heat Pump Models)
TSTATCCBPC01-B
TSTATCCBPH01-B
TSTATCCPAC01-B
TSTATCCPHP01-B
Wall Thermostat 52C,P-7SI
Interface
Retrofit Kit
RC-FIELDKIT230HC
RC-FIELDKIT230HP
RC-FIELDKIT265HC
RC-FIELDKIT265HP
Field-installed wall thermostat retrofit kit to convert a standard 230V Heat/Cool unit to an
RC unit. Wall thermostat sold separately (can be used to convert a cool only unit to RC).
Field-installed wall thermostat retrofit kit to convert a standard 230V Heat Pump unit to an
RC unit. Wall thermostat sold separately.
Field-installed wall thermostat retrofit kit to convert a standard 265V Heat/Cool unit to an
RC unit. Wall thermostat sold separately (can be used to convert a cool only unit to RC).
Field-installed wall thermostat retrofit kit to convert a standard 265V Heat Pump unit to a
RC unit. Wall thermostat sold separately.
N/A
N/A
TSTAT-COVER-6X7
Clear plastic locking thermostat cover prevents unauthorized access to thermostat. Cover for use with
non-programmable and electro-mechanical thermostats. Outside dimensions: 61/2" x 71/2" x 215
1 per pack
/16".
TSTAT-COVER-7X10
AIR-FILTER-10PK
EM-KIT
Clear plastic locking thermostat cover prevents unauthorized access to thermostat. Cover for use with
programmable thermostats. Outside dimensions: 71/4" x 93/4" x 33/8". 1 per pack
Replacement
Filters
Energy
Management
N/A
Replacement air filters in package of 10
52C,P-10SI
Allows unit to be turned on and off from a remote location (includes freeze guard protection)
Key-locking security door to prevent access to heating and cooling controls
Locking Security 52C,P-13SI
SECURITY-DOOR
Control Door
Lateral Duct Kit 52C,P-14SI
LATERAL-DUCT
Ductwork to allow one unit to heat and cool two rooms (plenum plus extension duct and registers)
Lateral air deflector, with individually adjustable louvers, to enhance air circulation, 1 per pack
Air/Curtain
Deflector
52C,P-9SI
N/A
DEFLECTOR-1PK
CURTDFL-52CP-1PK
Curtain deflector for 52C and 52P models — prevents curtains from blowing into discharge air stream.
1 per pack.
NOTE: Curtain deflector for previous models are also available. Contact Carrier Representative.
*Extended metal wall sleeve also available in 26 in. and 28 in. depth.
†Custom colors are also available.
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Copyright 2002 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 132
Catalog No. 535-20038
Printed in Mexico
Form 52C,P-1SO
Pg 16
2-02
Replaces: 52C-1SI
52P-1SO
Book
Tab
1
4
9a 11a
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