DIMENSION DRAWINGS AND
INSTALLATION DATA — NEW
CONSTRUCTION
PRODUCT DATA ......................... 34-41
EXPANDED RATINGS DATA...............42,43
SOUND DATA ...............................44
WIRING DIAGRAMS ..................... 45-50
52PQand52CQ............................45,46
52PEand52CE ............................47,48
EnergyManagement/FrontDeskControl ..........49
Single Thermostat/Multiple PTAC Units . . . . . . . . . . . 50
GUIDE SPECIFICATIONS ................ 51-53
TYPICAL WARRANTY ....................54,55
ACCESSORY LIST ..........................56
......................... 27-33
For more information available on the internet, see the www.carrier.com or www.lodgingAC.com web sites.
December 2004CopyrightCarrier CorporationCat. No. 592-085
Page 2
Valued Carrier Customer,
Carrier’s Architects and Engineer’s manual has been specifically developed to make your
product and accessory selection easier and faster. This manual will help you customize
your application to ensure the greatest comfort for your guests and the highest reliability
and lowest costs for you.
Enjoy the ultimate in comfort, humidity control, and energy savings with Carrier’s complete line of Packaged Terminal Air Conditioning (PTAC) products. Choose from either
the Premier series (52P) which is Carrier's most energy efficient PTAC unit ever, or the
Comfort series (52C) for mid-range energy efficiency and outstanding value.
The Premier and Comfort series PTAC lines have many common features and benefits.
The 52P and 52C units are both built on the same platform with common components and
airflow systems to ensure the highest quality product for your money. The most significant
difference between the 52P and 52C products is the refrigerant system. The Premier refrigerant system utilizes Carrier's highest efficiency compressors and coil design to achieve
maximum energy efficiency. The Comfort refrigerant system uses our standard efficiency
compressors and coils to attain competitive efficiency levels which exceed the industry
standard ARI minimum-efficiency levels.
It’s your choice. Choose the Premier series and start recovering your investment immediately through energy savings, or choose our Comfort series and enjoy years of economical,
trouble-free operation and comfort.
Thank you for choosing Carrier and investing in the highest quality air conditioning and
heating system ever.
Best regards,
Lodging Products Group
2
Page 3
APPLICATIONS
Whether you are designing a new structure or replacing packaged terminal air conditioning units in an
existing building, Carrier will meet your needs.
• Hotels and motels
• Nursing homes and assisted living care centers
•Offices
• Apartments
• Single-family dwellings
• Home conversions and residential add-ons
NEW CONSTRUCTION
The Carrier 52P and 52C Packaged Terminal Air Conditioning (PTAC) unit is designed to meet the needs of
the architect, engineer, and contractor. For unit installation, Carrier’s expert support network will assist in
all applicable aspects of the construction project, from
preparing a budget to start-up.
ADVANTAGES FOR NEW CONSTRUCTION
Design Flexibility For The Architect/Engineer
• Super-quiet performance, indoors and out
• No bulky duct system
• No separate equipment room
• No water towers or additional cooling equipment
• Nocomplexmatch-upofdifferentHVAC
components
• Less sensitivity to building orientation (sun, wind,
shade)
• Optional architectural grille to permit custom exterior appearance
Initial Cost Savings For The Building Owner
• No expensive component HVAC system purchase
• No equipment room or maintenance engineering
staff
• Two-part delivery to minimize on-site damage
• Weather-protected wall sleeve that goes in place
during construction; chassis that slides in place after
construction
• No seasonal changeover required for cooling or
heating — units are self-contained comfort systems
Lower Operating Costs And Reliable Comfort
For The Occupant
• Heat pump models offer substantial savings over
models with conventional electric resistance heaters
• Individual units allow tenants to choose the degree
of comfort and operating economy.
• Rapid servicing reduces downtime: complete chassis can be replaced in minutes without disrupting
other occupants.
• Each unit operates independently of other units in
the building. No dependency by building on central
HVAC system.
RETROFIT/REPLACEMENT
If you are replacing a unit in an existing wall sleeve,
your options include:
• Replace the existing wall sleeve with a Carrier
Weather Last™ sleeve. See accessory sleeve section for selecting the correct sleeve for your application. Note, in most cases, when replacing the wall
sleeve, the exterior grille must also be replaced.
• Use an existing sleeve and exterior grille. The
Carrier 52P and 52C series PTAC will fit into most
major competitors wall sleeves/grilles, including
GE, Amana, Trane, Bryant, Carrier 52S and Carrier
52B, and NO accessory retrofit kit is required.
Carrier units will also retrofit into Friedrich T series
and ZoneAire wall sleeves, with a required wall
sleeve extension (see accessory Friedrich Retrofit
Wall Sleeve Adapter).
IMPORTANT: All other sleeve or exterior grille
retrofit applications need prior approval from
Carrier. Please contact your Carrier representative
for assistance.
CARRIER WARRANTY
Carrier’s five-year warranty is the most comprehensive in the industry. Carrier provides:
• Full coverage for parts and labor for first year.
• Four additional years of full coverage on sealed
refrigeration systems.
• Limited second through fifth year coverage on nonrefrigeration system parts.
3
Page 4
APPLICATIONS (cont)
APPLICATION
CONSIDERATIONS
Installation instructions are shipped with all PTAC
units. It is important that air conditioning systems be
properly sized and installed for each application in
order to achieve the desired temperature and humidity
levels within the space to be conditioned. It is strongly
recommended that a professional engineer match the
PTAC units with the building structure and climate.
The following application considerations are all
important in choosing the proper PTAC system for the
building structure.
Undersizing
If a PTAC unit is undersized (cooling capacity is less
than required capacity for an application), the unit will
not be able to cool the space down to the desired temperature during very hot days. The result could be
warm and humid or warm and dry conditioned space.
Oversizing
If a PTAC unit is oversized (cooling capacity is greater
than required capacity for the specific application), the
unit will cool the space down to the desired temperature too quickly.
The unit will cycle on and off, however, dehumidification only takes place when the unit is operating. The
result of this type of application in a hot and/or humid
climate would be a cool, yet excessively humid, space.
Air Infiltration
Excessive air infiltration can intensify problems associated with undersizing or oversizing a PTAC unit.
This can be the cause of insufficient cooling, dehumidification, or heating. Sources of air infiltration include
vents, gaps around windows and doors, and improperly sealed floors, ceilings or wall joints.
4
Page 5
PRODUCT OVERVIEW (52P AND 52C)
This section summarizes product features covered in
detail in later sections of this manual:
2 AIR
FILTERS
LOUVERED
FRONT
PANEL
2-WAYBI-MOLDED
DISCHARGE
GRILLE
CONTROL
DOOR
WIRE SCREEN
FRESH AIR
CONTROL
ARM
CONDENSER
SHROUD
T
E
1
S
.P
R
T
E
S
2
S
IN
.P
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A
B
O
V
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F
A
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L
S
PLUG TEST/
RESET BUTTONS
THERMOSTAT WITH
TEMPERATURE
LIMITER
ACCESS TO ELECTRICAL
INDOOR
COIL
COMPONENTS THROUGH
CONTROL BOX DOOR
MODE
SELECTION
SWITCH
BASEPAN FOR
CONDENSATE
REMOVAL
COPPER TUBE
ALUMINUM
FIN COILS
ROTARY
COMPRESSORS
WALL
SLEEVE
Polymer, Metal or Extended Wall Sleeve — Designed for rugged duty, acoustic absorption, and attractive appearance for years to
come.
Rotary Compressors — Provide quiet, reliable operation.
Copper Tube Aluminum Fin Coils — Enhanced coils provide durability, high performance, and ease of operation.
Fresh Air Control Arm — Allows outdoor air into room through vent filter for improved air quality.
Fan Cycle Switch — Dual options:
(1) Continuous fan operation.
(2) Cycle fan ON and OFF with compressor operation.
Thermostat with Temperature Limiter — Provides improved temperature control with a temperature limiter that allows temperature range restraints for the unit by making a simple adjustment.
Anti-Theft Knobs — Provides protection against theft of the thermostat knob and the mode selection knob.
Control Door — Provides protection for controls and enhances appearance.
Easy Access to Electrical Components — Simply remove two screws and drop down the control box door.
Improved Condensate Removal — Minimizes condensate water on outside of building.
New Two-Piece Filter Design — Provides improved air filtration and can be removed easily for cleaning.
Durable Discharge Grille — Made of polycarbonate; holds up under the toughest conditions.
Louvered Front Panel — Made of high impact polystyrene. Provides improved performance and quiet operation.
Mode Selection Switch — Rotary switch allows for easy selection of operating mode.
Bi-Molded Condenser Shroud — The two-piece condenser shroud allows easy access for service and maintenance to the out-
door coil and other components.
Power Cord Protection — Power cord for the 230/208-v unit provides power cord protection.
5
Page 6
PRODUCT FEATURES AND BENEFITS
(52P AND 52C)
The 52P and 52C models are a single-package,
through-the-wall unit for heating and cooling hotel
rooms, offices, apartments, condominiums, and residential additions. Features include:
• Improved sound quality for quiet operation
• Exceeds ARI (Air Conditioning and Refrigeration
Institute) efficiency requirements with exceptional
energy efficiency ratios (EERs)
• Easy access, lifetime filters
• User friendly controls
• Easytoreaddials
• Enhanced temperature and humidity control
• Improved condensate removal system
• Multi-room structure design
• Fixed wall sleeve, slide-out chassis
• Attractive, durable cabinet featuring new design
• Chassis that easily retrofits to most major competitors’ sleeves without use of retrofit kit
• Low operating costs
• No bulky duct system
• No seasonal changeover
QUIET OPERATION
Occupants and neighbors are protected against noise
intrusion. Indoor sound reduction is achieved because
of the unit’s design and its louvered front cover, indoor
scroll and blower, and heavy gage unit partition.
Rotary compressors provide quiet, reliable operation.
The indoor scroll provides a more uniform air
discharge.
The new aerodynamic split condenser shroud design
improves airflow and reduces outdoor noise, providing
a more relaxing outdoor environment. The new split
design allows for easy access to the outdoor coil to
facilitate routine cleaning of the coil. The propeller-type
fan design allows for efficient low-speed operation.
MOST EFFICIENT
PERFORMANCE
High EERs provide excellent operating economy. The
system operates without bulky ductwork, separate
equipment room, and complex match-up of different
components. Heating and Cooling modes are available
without seasonal changeover.
EFFICIENT FAN MOTOR
An efficient, totally enclosed PSC (permanent split
capacitor) fan motor provides a choice of high or low
speeds for heating and cooling. A fan-only setting
provides air circulation. Thefanmotorrequiresnomaintenance and no lubrication.
6
Page 7
NO-RUST WEATHER LAST™
WALL SLEEVE AND FRONT
PA NEL
The indoor front panel and polymer wall sleeve use
nonmetallic compounds that never rust or corrode, do
not support combustion, and do not give off toxic
fumes. The weather-resistant feature exceeds requirements of Underwriters’ Laboratories and resists damage caused by impact and scratching. The Weather
Last feature also insulates and has up to 10 times the
acoustic absorption of metal cabinets.
Insulated polymer wall sleeves combine all of the
above features with factory-installed insulation. The
insulation helps to reduce heat loss, save energy, provide better sound absorption, and reduce the risk of
sleeve sweating.
Carrier’s metal wall sleeves are available in a variety
of sizes for most standard and deep wall applications.
All metal wall sleeves come with factory-installed
insulation, designed to minimize heat loss and reduce
outdoor noise transmissions into the room.
Standard Wall Sleeve (Polymer)
42 in.
16 in.
14/18/24/26/28 in.
REMOVABLE FRONT PANEL
The louvered front panel fits firmly onto the chassis
and features easy removal for service. It provides front
air intake to enhance performance and quiet operation.
It also allows the option of flush mounting PTAC unit
to the floor. If desired, the front panel can be
secured to the unit with field-supplied screws.
2 locking screws (if installed) are located behind the
removable filter handles.
The
ANTI-THEFT KNOBS
The anti-theft knobs are captured underneath the front
panel of the unit to prevent the knobs from being
removed or stolen.
Standard and Deep Wall Sleeve (Metal)
REMOVABLE
FILTER
LOCATION OF
REMOVED FILTER
LOCKING SCREW
(NOTE: 2nd LOCKING SCREW
IS LOCATED BEHIND
2nd FILTER)
Removable Front Panel
LO
HEAT
MODE
OFF
LO
HI
HI
COOL
FAN
TEMPERATURE
WARMER
COOLER
Anti-Theft Knobs
7
Page 8
PRODUCT FEATURES AND BENEFITS (cont)
TWO-PIECE LIFETIME
INDOOR FILTER
New two-piece removable filters easily slide in and
out from the front of the PTAC unit and are interchangeable. The front panel does not need to be
removed to access or change the filters. The filters are
washable and permanent.
Two-Piece Indoor Filter
WASHABLE VENT AIR FILTER
The unique vent system is activated by a two-position
control. Fresh outside air is redirected by the vent door
to an inside low-pressure area. A molded plastic filter
prevents dirt and debris from entering the room side of
the unit. The vent mechanism is made from noncorrosive material ensuring reliable operation. A magnet on
the door and high-pressure airflow create a tight, draftfree seal when the vent door is closed.
Theventwillprovide50cfmoffreshair.
NOTE: If more fresh air cfm is required, a Power-Vent
Kit is available (see accessories).
BI-DIRECTIONAL
DISCHARGE GRILLE
The discharge grille is constructed of durable polycarbonate and is reversible. Air flows upward at a
40 degree angle to the floor but can easily be adjusted
to an 80 degree angle to the floor.
40 DEGREE
AIR FLOW
Outdoor Vent Filter Location
80 DEGREE
AIR FLOW
Reversible Polycarbonate Discharge Grille
8
Page 9
POWER CORD FOR 265-V
UNITS
A power cord is included for 265-v units. The power
cord is 18 in. long (cord extends 15 in. from bottom of
front panel) and per UL and National Electrical codes
must plug into an electrical subbase.
POWER CORD PROTECTION
FOR 230/208-V UNITS
The power cord for the 230/208-v unit provides power
cord protection by automatically disconnecting power
during an unsafe condition. Power can be restored by
pressing the RESET button.
0
1
9
8
7
6
5
4
3
2
1
265-V Unit with Power Cord
0
2
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
BI-MOLDED CONDENSER
SHROUD
The bi-molded condenser shroud provides easy access
for service and maintenance of the condenser coil and
related components.
SNOW BAFFLE
The snow baffle is provided to keep snow from blowing into the intake and landing on the internal components of the PTAC unit. Melted snow can form ice on
moving parts and cause damage to the unit.
30 Amp In-line15/20 Amp Power
Power CordCord Plug Head
BI-MOLDED
CONDENSER
SHROUD
Bi-Molded Condenser Shroud
SNOW
BAFFLE
Snow Baffle
9
Page 10
PRODUCT FEATURES AND BENEFITS (cont)
EASY ACCESS TO CHASSIS
Access to the chassis simply requires removing four
screwsandthenslidingthechassisoutofthesleeve
for service.
T
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1
S
.
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2
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IN
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CHASSIS ATTACHMENT SCREWS
(SAME LOCATION ON OPPOSITE SIDE)
PLUG TEST/
RESET BUTTONS
Easy Service Access
HIDDEN CONTROLS
The factory-wired control box houses all control components and is quickly accessible without removing
the chassis from the wall sleeve. By simply removing
two screws on control box, the hinged door lowers,
providing quick access to all the electrical components. The wiring diagram is located on the front of the
control box door.
Temperature Limiter and Control
Knob
The limiter reduces operating costs by allowing the
owner to control the range of cooling and heating temperatures available to the occupant. It is located under
the front panel on control box, out of the occupant’s
sight. Each setting on the limiter is equivalent to 5° F
and the range of temperature settings available to the
owner is from 60 to 90 F. The limiter is not pre-set at
the factory (providing full range for the occupant).
Fan Cycle Switch
The fan cycle switch allows the fan to operate in
2modes:
• Continuous — This setting allows the fan to run
continuously, circulating air even when the temperature setting has been satisfied. This setting, which
helps to keep the room temperature closer to the
thermostat setting, is used for maximum comfort.
• 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
reached. The longer unit off-time makes this option
more energy-efficient with only slightly wider variations in room temperature.
NOTE: On wall thermostat models, the fan cycle/
continuous feature is typically located at the wall
thermostat.
Outdoor Air Vent Control
Control of the outdoor-air vent is handled by a vent
handle located under the front panel on the left side of
the unit. This handle rotates to manually open and
close the outdoor vent.
Theventwillprovide50cfmoffreshair.
NOTE: If more fresh air cfm is required, a Power-Vent
Kit is available (see accessories).
10
Page 11
ENHANCED COPPER TUBING
Enhanced copper tubing is more efficient and durable
and can be repaired in the field, if required.
Because copper is a very stable metal, it is durable and
resists corrosion. Enhanced copper tubing increases:
• heat transfer capability
• the efficiency of the cooling and heating processes
• thermal conductivity (by creating additional tube
surface and turbulent refrigerant gas flow)
Every Carrier PTAC coil undergoes thorough leak testing and pressure testing up to 350 lb per square inch.
SEAMLESS BASEPAN
Seamless drawn basepan walls add protection against
water accumulation resulting from storm-driven rain
with heavy wind.
Carrier’s deep basepan holds up to 1
water without spilling. Closed cell foam insulators are
located between the basepan and coils, keeping coils
from direct contact with the basepan and providing
additional protection against corrosion.
1
/2gallons of
Enhanced Copper Tubing
CONDENSATE DRAIN VALVE
The temperature-activated drain valve opens when the
outdoor temperature drops below 45 F to prevent
water from freezing in the basepan.
CONDENSATE REMOVAL
SYSTEM
Carrier’s 52P and 52C Series units have an improved
condensate (water) disposal system. In addition to
slinger ring technology, Carrier has developed and patented a Condensate Suction Port. The suction port,
alongwiththeslingerring,drawsinwaterwhichis
sprayed up onto the outdoor coil. The water then evaporates, thus providing better disposal of excess condensate, improving unit efficiency.
NOTE: If it is necessary to remove 100% of the condensate, the Carrier Drain Kit (Part No.: DRAIN-KIT4PK) is recommended.
SLINGER
RING
Condensate Drain Valve Prevents
Water from Freezing in Basepan
CONDENSATE
SUCTION PORT
CONDENSER SECTION
Condensate Disposal System
11
Page 12
PRODUCT FEATURES AND BENEFITS (cont)
HEAT PUMPS PAY THEIR
OWN WAY
Heat pump models are available at a nominal additional cost. In many locales, the payback is realized in
just a few months. Cost and payback details are provided on the next page.
Special Features
Two-Stage Indoor Thermostat:
The indoor thermostat senses the indoor temperature
and automatically turns on the electric heat to warm
the room quickly. After the desired temperature conditions have been satisfied, the thermostat automatically
switches to heat pump mode. If compressor failure
occurs, the thermostat will provide backup electric
heat automatically.
Outdoor Thermostat:
During the heating cycle, the outdoor thermostat
senses outdoor coil temperature. It switches the unit to
electric heat mode when the outdoor coil temperature
is 20 F or below (approximately 35 F outdoor-air temperature). The thermostat switches the unit back to
heat pump mode when the outdoor coil temperature
rises above 40 F, which is enough to provide heat
to meet demand. The entire operation is completely
automatic.
How The Heat Pump Works
In Hot Weather:
Carrier’s PTAC units provide indoor comfort in the
same manner as conventional air conditioners, removing heat and humidity from indoor air. The heat and
humidity is released to the outdoors. Carrier’s highefficiency design saves energy and reduces cooling
costs.
Reversing Valve:
The reversing valve provides quiet refrigerant flow
after the unit shuts off. The valve controls the direction
of refrigerant flow for both heating and cooling functions and remains energized as long as the controls are
in the heat position. When the cooling controls are
activated, the valve automatically reverses to the cooling position.
Manual Compressor Override Switch:
This switch completely locks out the compressor. Note
that the compressor and heater do not operate at the
same time, thus conserving energy.
In Cool Weather:
When the outdoor coil temperature is above 20 F
(approximately 35 F outdoor-air temperature), the
heat pump draws heat from outdoor air and uses it to
heat indoor air. Since heat is transferred and not produced, Carrier’s heat pump uses less electricity and
reduces energy costs significantly.
In Sub-Freezing Weather:
When the outdoor coil temperature falls below 20 F
(approximately 35 F outdoor-air temperature), the
unit automatically switches on a built-in electric
heater. The compressor stops and a blower circulates
warm air produced by the heater. When the outdoor
coil temperature rises above 40 F, heat pump operation
resumes automatically.
12
Page 13
HEAT PUMP ENERGY
SAVINGS
Heat pumps save more on operating costs during the heating cycle
than heat/cool models. The table
below shows that the higher initial
cost of purchasing a heat pump is
quickly made up in lower operating
costs.
Usethemaptoidentifytheclimate
zone’s designated number. Reading
down the left-hand column of the
table, select the cost/kWh rate in
this zone that most closely approximates your local rate. The approximated savings and payback period
is found at the intersection of your
zone/rate line and the desired Btuh
Cooling Capacity column. Exact
savings are determined by lifestyle,
local electrical rates, and climatic
conditions.
ZONE
VI
V
ZONE V
ZONE IV
ZONE III
II
ZONE II
ZONE I
CARRIER HEAT PUMP INITIAL COST VERSUS SAVINGS OVER HEAT/COOL MODELS
*Computer projections based on full cooling load at 95° F. Sav-
ings projected for 230 v ratings.
1
Heating load is 5,000 Btuh at winter design point temperature.
2
Heating load is 10,000 Btuh at winter design point temperature.
3
Heating load is 15,000 Btuh at winter design point temperature.
1
PREMIUM
Payback
in Months
$60
9000 BTUH
COOLING
CAPACITY
Annual
Savings*
2
PREMIUM
Payback
in Months
$75
12000 BTUH
COOLING
CAPACITY
Annual
Savings*
2
PREMIUM
Payback
in Months
$90
15000 BTUH
COOLING
CAPACITY
Annual
Savings*
3
PREMIUM
Payback
in Months
$110
For precise energy savings in your geographical location, go to www.lodgingAC.com to
use Carrier’s energy calculator.
13
Page 14
ORDERING DATA (52P AND 52C)
For immediate assistance, call 1-800-827-7435 or contact
your local Carrier dealer.
Standard Unit
• Chassis with front panel
• Electro-mechanical controls
• Cord-connected chassis for 230/208-v and 265-v
units
Lead-time: Many models are in stock for immediate
delivery; call for lead-times.
Y)
EXTERIOR
GRILLE
(ACCESSORY)
FRONT
PANEL
(STANDARD)
PRODUCT CATALOG
NUMBER
TESTING
1.PR
E
S
2
S
.P
R
L
E
U
SE
G
T
IN
RE
B
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TT
PO
3.PR
P
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W
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A
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S
S
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S
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HO
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ST
U
4
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B
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LIG
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A
B
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V
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F
A
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S
PLUG TEST/
RESET BUTTONS
CHASSIS
(STANDARD)
Standard 52P or 52C Unit
WALL SLEEVE
(ACCESSOR
14
Page 15
FACTORY-INSTALLED OPTIONS (52P AND 52C)
WALL THERMOSTAT
CONTROL (RC,RP)
Carrier’s wall thermostat control option includes:
• a standard chassis with front panel
• factory-installed low voltage controls for remote
thermostat operation
• indoor coil freeze protection
• user accessible selector switch for high or low fan
speed
Wall thermostat and wall thermostat wire must be
ordered separately.
See page 50 for a diagram of multiple PTAC units controlled by a single thermostat.
NOTE: Be sure to connect reversing valve wiring to
the O connection of the thermostat for heat pump
applications.
NOTE: Do not use a power stealing digital thermostat
(common must be connected for digital thermostats).
CORROSION PROTECTION
FA
N
S
P
E
E
D
L
O
H
I
C
o
m
fo
r
t
W
A
L
L
T
H
E
R
M
O
S
T
A
T
C
O
M
F
O
R
T
(CP,RP)
To protect against the corrosive effects of a seacoast
environment, this option includes:
• a standard chassis with front panel
• special protections consisting of:
— painted control box and unit partitions
— pre-coated aluminum coils with copper tubing
— stainless steel tube sheets (outdoor coil)
— totally enclosed fan motor with moisture-
resistant windings
NOTE: All installations within one mile of the sea
coast or other corrosive environment must use Corrosion Protection (CP).
15
Page 16
FIELD-INSTALLED ACCESSORIES (52P AND 52C)
WALL SLEEVES
Weather Last™ Wall Sleeve
For the best performance and longest life, Carrier
recommends genuine Carrier wall sleeves for all
installations.
All Carrier wall sleeves are built with a pitch of 1/4 in.
per foot; for self-pitching of the unit, the wall sleeve
must be installed level (any error should be pitched to
the outside). Overflow slots on the outside of the
sleeve are in place to divert excess water during severe
weather.
Important Sleeve Installation Considerations:
• All Carrier's sleeves are self pitching and must be
mounted level in all directions. (Do not use rails
to level sleeve.)
• The sleeve should be caulked on all sides, including both inside and outside the building.
• If more than 4 in. of wall sleeve projects into the
room, an accessory subbase must be used for
support.
• For all applications with an accessory subbase,
wall sleeve must extend 3
room and must be 31/4in. minimum to 51/2in.
maximum above floor (including carpeting) to
allow for proper fit of subbase.
• For applications where the wall sleeve is
mounted flush to the exterior of the building
(or recessed in), Carrier recommends a fieldsupplied drip edge be installed to prevent water
infiltration into the building.
• Insulated wall sleeves should be considered for
superior sound absorption, to reduce heat loss
and to prevent sleeve sweating, a condition that
can occur when the outside temperature is cold
and the indoor conditions are warm and humid.
1
/4in. minimum into
The sleeve's alpine mist color (a shade of beige)
closely matches the front panel and blends in well with
any inside or outside decor.
The polymer wall sleeve comes in both insulated (factory installed) or non-insulated, to meet the requirements of every application.
Insulated Polymer Wall Sleeve
Part No.: SLEEVE-INSUL-1PK
Carrier’s accessory insulated polymer wall sleeve, with
factory-installed insulation, provides superior sound
absorption, reduces heat loss and prevents sleeve
sweating, a condition that can occur when the outside
temperature is cold and the indoor conditions are warm
and humid.
IMPORTANT: Insulated Polymer Wall sleeve provides superior sound absorption, reduces heat loss
and prevents sleeve sweating.
Corrosion-Protected Polymer Sleeve
Non-Insulated Polymer Wall
Polymer Wall Sleeves
Choose a polymer wall sleeve for maximum protection and appearance.
All Carrier’s polymer wall sleeves are made from a
molded polymer that is designed for strength and durability. This material has excellent corrosion resistance
and a flammability rating of UL94-5V.
The sleeve surface is textured to prevent shine and
hide scratches. The rib configuration on the sleeve bottom, allows easy chassis removal and aids in drainage.
The locating holes in the side and top panels, allow
easy fastening of the sleeve to wall openings. Refer to
dimension drawings (pages 28 and 29) for typical wall
installation and dimensions.
Sleeve
Part No.: WALL-SLEEVE-1PK
Part No.: WALL-SLEEVE-9PK
Carrier’s accessory non-insulated polymer wall sleeve,
provides a superior appearance and protection for
many applications.
For applications where weather conditions could
influence sleeve sweating, a condition that can occur
when the outside temperature is cold and the indoor
conditions are warm and humid, the Insulated Polymer Wall sleeve should be considered.
16
Page 17
Insulated Metal Wall Sleeves
42 IN.
Part No.: SLEEVE-STEEL-1PK
Part No.: SLEEVE-EXT18-1PK
Part No.: SLEEVE-EXT24-1PK
Part No.: SLEEVE-EXT26-1PK
Part No.: SLEEVE-EXT28-1PK
Carrier's metal wall sleeves are available in a variety
of sizes for most applications and difficult installations. Choose from 14 in., 18 in., 24 in., 26 in., or
28 in. standard depth sizes. All metal wall sleeves
come with factory-installed insulation, designed to
minimize heat loss, reduce outdoor noise transmissions into the room and prevent sleeve sweating. In
addition, the metal wall sleeve provides a flammability
rating higher than UL94-5V.
Wall Sleeve Molding Kit
Part No.: SLEEVE-MOLDING
For a superior look and to hide any construction
imperfections, use Carrier's wall sleeve molding kit to
trim the wall sleeve to the wall. The molding kit is a
perfect solution and can be used with any Carrier wall
sleeve (matches Carrier wall sleeve color).
16 IN.
14/18/24/26/28 IN.
Standard and Extended Metal Wall Sleeve
1 IN.
1/2 IN.
Friedrich (and ZoneAire) Retrofit Wall Sleeve Adapter
Part No.: FR-SLEEVE-EXT
The Friedrich (and ZoneAire) wall sleeve adapter is
constructed of sheet metal and is designed to increase
the depth of an existing Friedrich T-series or ZoneAire
wall sleeve to accommodate Carrier’s industry standard PTAC units.
Climate Master Wall Sleeve
Adapter
Part No.: CM-SLEEVE-EXT
The Climate Master wall sleeve adapter is constructed
of sheet metal and is designed to increase the depth of
an existing Climate Master 12
accommodate Carrier’s industry standard PTAC units.
1
/2in. wall sleeve to
Wall Sleeve Molding Kit
16 IN.
42 IN.
3IN.
Friedrich Wall Sleeve Adapter Kit
16 IN.
42 IN.
1 1/2 IN.
Climate Master Wall Sleeve Adapter Kit
17
Page 18
FIELD-INSTALLED ACCESSORIES
(52P AND 52C) (cont)
OUTDOOR GRILLES
Carrier recommends only the use of Carrier-supplied
grilles for use on the 52P and 52C series units. However, the architectural designs of a building may dictate the use of special or oversized grilles and/or
louvers. Special louvers or any special architectural
treatment of the building façade that may restrict free
circulation of condenser airflow should be referred to
Carrier Corporation for evaluation and approval.
Aluminum Architectural
Outdoor Grilles (Louvered)
Part No.: GRILLE-ALU-CLEAR (anodized aluminum)
Part No.: GRILLE-ALU-WHITE
Part No.: GRILLE-ALU-BEIGE
Part No.: GRILLE-ALU-ALPIN (color matches
Carrier wall sleeve)
Part No.: GRILLE-ALU-BRONZ
Part No.: GRILLE-ALU-MBRNZ
Part No.: GRILLE-ALU-BROWN
Part No.: GRILLE-ALU-LGREY
Part No.: GRILLE-ALU-SGREY
Part No.: GRILLE-ALU-PEACH
Part No.: GRILLE-ALU-MELON
Part No.: GRILLE-ALU-RDBRK
Part No.: GRILLE-ALU-BLUE
Part No.: GRILLE-ALU-GREEN
This premium line of decorative outdoor grilles will
enhance the appearance of any building. The grilles
are made of strong, durable, extruded, anodized aluminum and are designed to be mounted easily from
inside the room. These elegant grilles, available in
many standard colors, have baked enamel finishes
containing 50% kynar resin, for a superior finish that
will withstand the most extreme conditions. See inside
of back cover for standard colors and color samples.
For more information on custom colors and sizes, contact Reliable Products at 1-800-239-4621.
Part No.: GRILLE-PLA-BROWN
Part No.: GRILLE-PLA-BEIGE
Part No.: GRILLE-PLA-ALPIN (color matches
Carrier wall sleeve)
This value line of polymeric architectural outdoor
grilles will blend attractively with most building exteriors. Mounted easily from inside the room, the onepiece, molded grille is designed for protection,
enhanced appearance, and superior weather-resistance.
The grille is made of durable polymer and has a colorfast, lightly textured finish that blends well with most
exterior finishes.
Architectural Grille in
Aluminum or Polymeric
Standard Outdoor Aluminum
Grille
Part No.: GRILLE-ALU-STAMP
This cost-effective, one-piece standard grille is made
from durable anodized aluminum. The grille is lightweight, has a clear finish, and is easy to install from
inside the room.
Standard Grille
18
Page 19
Outdoor Grille Selection
IMPORTANT: If you wish to use a grille not
made by Carrier for your Carrier unit(s), contact the Carrier Application Engineering Group
at 1-800-894-6449.
The following guidelines must be followed in the initial selection of any alternate exterior grille or louver:
1. The louver must have a minimum of 65% free area.
Free area is the minimum area of the opening in an
air inlet or outlet in which air can pass. Free Area
(%) = X/Y.
2. The louver should be attached to the wall sleeve in a
manner that will prevent recirculation of condenser
discharge air into the inlet. In most applications, baffles, splitters, and/or gasket will be required between
the chassis tube end sheets and the louver to prevent
air recirculation.
The above criteria must be followed, since a louver
that is restrictive or allows recirculation will result in a
reduction of the unit’s capacity and efficiency and will
ultimately shorten the compressor life.
X
Y
X
Louver Dimensional Reference
X
Y
Y
X
Y
Sample Calculations
Free Area (%) =
x
y
x 100
x=1″
y=1.5″
Hardwire Kit
Part No.: HARDWIRE-KIT-1PK
This accessory hardwire kit provides a permanent con-
nection to the unit. Electrical hard wiring is required
when NEC (National Electrical Code) or local codes
restrict the use of power cord and plug connections.
The hardwire kit mounts on the front right side of the
unit and comes with 36 inches of flexible steel conduit
and a Molex connector for easy connect/disconnect.
Conduit Interface Kit
Part No.: CONDUIT-INTF-4PK
The conduit interface accessory kit provides the wire
connection to the unit to interface to field-supplied
conduit.
F.A. (%) =
1
x 100 = 66.7%
1.5
Hardwire Kit
Conduit Interface Kit
19
Page 20
FIELD-INSTALLED ACCESSORIES
(52P AND 52C) (cont)
SUBBASE
Part No.: SUBBASE-NON-ELECPart No.: SUBBASE-230V-30APart No.: SUBBASE-265V-30A
Part No.: SUBBASE-230V-15APart No.: SUBBASE-265V-15APart No.: SUBBASE-HARDWIRE
Part No.: SUBBASE-230V-20APart No.: SUBBASE-265V-20APart No.: LEVELING-LEGS
This decorative subbase supports the unit and is available in three basic models: non-electrical, electrical,
and hardwired.
A subbase (or leveling legs) is required for installations where the wall sleeve extends 4 or more inches
into the room or the wall is less than 2 in. thick.
The minimum clearance between the bottom of the
sleeve and the floor is 3
ance is 51/2inches.
IMPORTANT: All standard cord-connected 265-v
PTAC units will require a field-installed electrical
subbase accessory per UL and NEC electrical codes.
All subbase models are pre-assembled, mount to the
wall sleeve, and come with adjustable legs and side
skirting to provide a finished appearance.
1
/4in., and the maximum clear-
Non-electrical subbase
The easy to install, non-electrical subbase provides
mechanical support and requires no wiring.
Electrical subbase
The electrical subbase has a factory-installed electrical
junction box containing a receptacle for corded packaged terminal air conditioner (PTAC) units. The electrical subbase series offers models from 230-v, 15 amp
up to 265-v, 30 amp. Knockouts are provided for
power source connections.
Hardwired subbase
The hardwired electrical subbase has a factoryinstalled junction box containing 19 in. of flexible
conduit (for a perfect fit to the PTAC unit) and all mating connections for easy assembly to PTAC units.
Knockouts are provided for power source connections.
Non-Electrical Subbase Assembly
Electrical Subbase Assembly
Hardwired Subbase Assembly
20
Page 21
Leveling legs
Part No.: LEVELING-LEGS
Leveling legs attach easily to Carrier’s wall sleeve and
offer accurate leveling and support for units without a
subbase. Leveling legs are adjustable from 3
1
/2in.
5
1
/4in. to
Subbase Fuse Kit
Part No.: SUBBASE-FUSE-15A
Part No.: SUBBASE-FUSE-20A
Part No.: SUBBASE-FUSE-30A
The fuse kit provides in-line overcurrent protection at
the unit when required by NEC (National Electric
Code) or local codes.
IMPORTANT: The Fuse Kit can only be used with
the electrical or hardwired subbase.
Subbase Power Disconnect
Switch
Part No.: SUBBASE-SWITCH
The subbase power disconnect 2-pole switch provides
a recessed power disconnect for the PTAC unit when
required by NEC or local codes.
IMPORTANT: This accessory can only be used
with the electrical or hardwired subbase.
Leveling-Legs
Subbase Fuse Kit
ON
Power Disconnect Switch Assembly
21
Page 22
FIELD-INSTALLED ACCESSORIES
(52P AND 52C) (cont)
THERMOSTATS
Carrier’s full line of wall thermostats are designed to
enhance every PTAC application. Wall thermostats are
simple and easy to use. Wall thermostats provide better temperature and humidity control as they can be
placed in an optimal position in the room.
NOTE: See page 50 for a wiring diagram of multiple
PTAC units controlled by one thermostat.
Digital Programmable
Thermostat
Part No.: TSTATCCPAC01-B (for heat/cool models)
Part No.: TSTATCCPHP01-B (for heat pump models)
This microcomputer-controlled, 7-day programmable
wall thermostat has enhanced features that provide
automatic control for both heat pumps and heating/
cooling units. It is used only on wall thermostat control (RC,RP) models.
Programmable Thermostat
Non-Programmable Thermostat
Part No.: TSTATCCBPC01-B (for heat/cool models)
Part No.: TSTATCCBPH01-B (for heat pump models)
This low-voltage, easy-to-use non-programmable ther-
mostat provides maximum guest comfort. This thermostatcanonlybeusedonwallthermostat(RC,RP)
models.
Manual Changeover Wall
Thermostat
Part No.: HH01AD045 (for heat/cool and heat pump
models)
This manual changeover wall thermostat provides a
reliable and consistent level of occupant temperature
control for both heat pumps and heating/cooling units.
The thermostat consists of a conventional vented
cover and a coiled bimetal element. It is used only on
wall thermostat control (RC,RP) models.
Non-Programmable Thermostat
A
u
to
F
A
N
O
n
•60•70•80•90•
H
e
a
t
O
ff
C
o
o
l
Manual Thermostat
22
Page 23
Wall Thermostat Interface
Retrofit Kit
Part No.: RC-FIELDKIT230HC
Part No.: RC-FIELDKIT230HP
Part No.: RC-FIELDKIT265HC
Part No.: RC-FIELDKIT265HP
The Wall Thermostat Interface Retrofit Kit allows
PTAC units with standard unit-mounted controls to be
field converted for use with wall thermostat controls.
NOTE: To obtain retrofit kits for previous 52S Carrier
models, contact your Carrier sales representative.
2-Speed Fan Control from Wall
Thermostat
Part No.: 2SPEED-TSTAT-KIT
This kit includes an automatic heat/cool changeover
thermostat and relay logic for allowing multiple fan
speed control from the wall thermostat. The thermostat
is simple to operate and install, and provides features
designed for the lodging industry, such as, Hi and Low
fan speed control, freeze guard, set point limits and
large, easy to read display.
Part No.: 2SPEED-RCFAN-KIT
This kit only contains the relay logic for allowing multiple fan speed control from a wall thermostat.
NOTE: When selecting a thermostat, ensure that the
thermostat is capable of 2-fan speed control.
T
R
O
F
M
O
C
T
TA
S
O
M
R
E
H
T
L
L
A
W
Wall Thermostat Interface Retrofit Kit
2
5
FANAUTO
TO SET PRESS
FAN
F
OR
F/C
COOLER
WARMER
1
Auto Changeover Thermostat and
Speed Control Relay
4
6
3
Thermostat Locking Cover
Part No.: TSTAT-COVER-6X7
Part No.: TSTAT-COVER-7X10
The thermostat locking cover prevents unauthorized
access to the thermostat.
Thermostat Locking Cover
23
Page 24
FIELD-INSTALLED ACCESSORIES
(52P AND 52C) (cont)
Condensate Drain Kit
Part No.: DRAIN-KIT-4PK
This universal drain kit may be used internally or
externally to route condensate to a drainage system. It
can be field-installed on any Carrier wall sleeve.
Although Carrier’s units are designed to dissipate all
the condensate generated during normal cooling, there
may be times when abnormal conditions cause more
condensate than the unit can dissipate. If condensate
that drips from the wall sleeve is objectionable, this
internal/external drain kit should be installed.
The drain kit may be attached to the exterior right or
left side of the wall sleeve for external draining or may
be mounted to the room side of the wall sleeve for
internal draining.
IMPORTANT: For internal drains installed in the
plastic wall sleeve, the drain must be installed on
the flat area of the sleeve. It cannot be installed in
the wafer area.
Drain Kit
LateralDuctKit
Part No.: LATERAL-DUCT (Adapter Plenum and
Extension)
The accessory lateral duct kit allows one unit to heat
or cool two rooms. The kit provides substantial savings for apartments, hotel suites, and office suites by
eliminating the need for separate units for every room.
The amount of air that can be diverted to an adjoining
room is adjustable from 20 to 30 percent.
The lateral duct kit consists of two main components,
the plenum and the extension duct. The kit mounts to
the wall sleeve and allows either right or left side ducting. Consider the following when designing a ducted
application.
• The maximum extension of the duct length is 4 feet.
• The duct run must be straight and horizontal; no
bends or turns.
• The minimum recommended clearance between the
unit and the adjoining room wall is 6 inches.
• You must provide for return air from the adjoining
room.
• Carrier 52P and 52C units are not qualified for use
with any other ducting scheme.
See page 31 for more information.
NOTES:
1. Lateral Duct Kit includes wall register for duct
extension and a molding kit to trim the wall opening.
2. The sleeve should extend a minimum of 3-in. into
the room to install mounting brackets.
3. The Lateral Duct Kit is not compatible with previ-
ous PTAC models.
Lateral Duct Kit
24
Page 25
Power Vent with Power Door Kit
Part No.: PWR-VENT-DOOR230
Part No.: PWR-VENT-DOOR265
Carrier's power vent kit, utilizing a specially designed
fan, when installed in the unit's fresh air vent, will supply up to 95 cfm of outside air into the room. The
power vent will only operate when the unit fan runs,
and the unit will automatically open or close the vent
door, depending on the operation of the fan. The kit
comes pre-assembled from the factory and is very easy
to install.
Lateral Air Deflector
Part No.: DEFLECTOR-1PK
Carrier’s exclusive lateral air deflector allows dis-
charge air to be directed right or left in a room. This
field-installed accessory is equipped with independently adjustable louvers to enhance air circulation.
Lateral air deflectors are recommended for units
mounted in a corner or off-center in a room.
NOTE: The lateral air deflector is not compatible with
previous PTAC models.
Power Vent with Door Kit
Accessory Air Deflector
Curtain Deflector
Part No.: CURTDFL-52CP-1PK
The curtain deflector is used to prevent curtains from
being blown into the discharge air.
Security Door Kit
Part No.: SECURITY-DOOR
This key-locking security door kit prevents unauthorized access to the unit’s heating and cooling controls
and prevents tampering with units in public locations
and institutions. This field-installed accessory includes
two matching keys and fits all Carrier 52P and 52C
models. Keys are common to all Security Door kits.
Curtain Deflector Kit
Security Door Kit
25
Page 26
FIELD-INSTALLED ACCESSORIES
(52P AND 52C) (cont)
Replacement Filters
Part No.: AIR-FILTER-10PK
The Carrier 52P and 52C model replacement air filters
come in packages of 10. The filters save energy by preventing the evaporator coils from being plugged with dirt
and lint. These economical and sturdy filters are interchangeable and may be washed, vacuumed, and reused.
Easily Replaceable Filters
Energy Management Kit
Part No.: EM-KIT
This field-installed accessory kit allows individual
units to be turned on and off from a remote location.
The kit incorporates Carrier’s Freeze Guard protection
that prevents rooms from freezing during extreme or
extended cold periods. Under these conditions, the
Freeze Guard automatically disables front desk control
and allows the unit to maintain a temperature of at
least 50 F in the room. When the room reaches 65 F,
the Freeze Guard feature returns the unit control to the
front desk.
This kit interfaces to most energy management systems. When installed in locations other than the front
desk, the kit can control unit operation by receiving
signals from field-supplied devices such as motion
sensors or heat sensing detectors.
Control devices connected to the Energy Management
Kit must have normally open sets of contacts (when
the switch is open, the unit operates). A 24-volt transformer must be field supplied and connected to the
Energy Management Kit. (See typical wiring diagram
on page 49.)
Energy Management Kit
26
Page 27
DIMENSION DRAWINGS AND INSTALLATION
DATA — NEW CONSTRUCTION
TYPICAL WALL
INSTALLATION
Proper building practices must be used when constructing a wall opening to support a PTAC wall sleeve
and chassis.
2.03"
(51.6)
DISCHARGE
GRILLE
REMOVABLE
FRONT PANEL
DISCHARGE
GRILLE
REMOVABLE
FRONT PANEL
3.94"
(100)
1 -10
(558.8)
15/20 AMP
PLUG HEAD
208/230-V UNITS
15”
(381)
(152.4)
(152.4)
6
6”
3’-6”
(1067)
15”
(381)
3-6
(1067)
2.00"
(50.7)
If practices are unknown, consult your local architect
or building contractor.
Installed wall sleeve must be level from side to side
and front to back.
NOTES:
1. Dimensions in parenthesis are in
millimeters.
2. Minimum opening sizes apply to
all wall openings.
3. Proper building practices must
be used when constructing a
wall opening to support a PTAC
wall sleeve and chassis. If practices are unknown consult your
local architector building
contractor.
4. Installed wall sleeve must be
level from side to side and front
to back (do not use rails to level
sleeve).
5. If wall sleeve extends into the
room more than 4-in., an accessory subbase or field fabricated
front support should be used to
prevent wall sleeve from tipping
forward.
6. For all applications with an
accessory subbase, wall sleeve
must extend into room 3
(83 mm) minimum and 3
(83 mm) minimum from floor.
7. For all applications with an
accessory lateral duct, sleeve
must extend into the room 3-in.
(76.2 mm) minimum. In applications where the sleeve will not
extend a minimum 3-in., the lateral duct mounting brackets
must be mounted on the
wall sleeve prior to wall sleeve
installation.
8. Remote control models, “RC”
and “RP” units, use low voltage
connections (24 volt AC).
9. 265 volt cord connected units
must plug into a 265 volt electrical subbase per UL requirement
(or hardwire can be used).
10. The 265 volt electrical cord is
approximately 15-in. long from
where it exits the front panel.
7.24"
(184)
4-4
(1320.8)
ACCESSORY
WALL SLEEVE
HINGED CONTROL
ACCESS DOOR
(SEE NOTE #8)
30 AMP IN-LINE
CORD
208/230-V
SERVICE CORD
12"
(304.8)
ACCESSORY
WALL SLEEVE
HINGED CONTROL
ACCESS DOOR
(SEE NOTE #8)
265-V
SERVICE CORD
(SEE NOTE #9)
30 AMP
1
/4-in.
1
/4-in.
265-V UNITS
52P and 52C Dimension Drawing
27
Page 28
DIMENSION DRAWINGS AND INSTALLATION
DATA — NEW CONSTRUCTION (cont)
WALL SLEEVE MOUNTING DIMENSIONS FOR STANDARD
AND ACCESSORY GRILLES
JACK STUDS
MAIN STUD
HEADER- 4’ x 4’ OR
(2) 2’ x 4’ ON EDGE
16 1/4”
42 1/8”
Standard Polymer Non-Insulated Wall Sleeve
Standard Polymer Insulated Wall Sleeve
42 in.
16 in.
JACK STUD
CRIPPLE
FLOOR
14/18/24/26/28 in.
Standard and Extended Metal Insulated Wall Sleeve
NOTES (ALL SLEEVES):
1. Never install fasteners through bottom of sleeve.
2. Never use rails to level sleeve.
SUB-FLOOR
Framing and Minimum Wall Sleeve Opening
Wall Sleeve Mounting (All Models)
28
Page 29
TYPICAL WALL INSTALLATION
NOTES:
1. Sleeve may be flush mounted to floor, but front panel may have
to be notched to accommodate service cord.
2. If more than 4 in. of sleeve projects into room, an accessory
subbase must be used for support.
3. For walls 2 in. thick or less, an accessory subbase must be
used for support.
4. Caulk around sleeve on both indoor and outdoor sides.
Typical Wall Sleeve Installation
Typical Curtain Wall Installation (All Models)
29
Page 30
DIMENSION DRAWINGS AND INSTALLATION
DATA — NEW CONSTRUCTION (cont)
MINIMUM CLEARANCE FOR INDOOR AND
OUTDOOR DISCHARGE AIR
Blocking indoor or outdoor discharge air could
cause premature failure of unit.
15” MINIMUM DISTANCE FROM
FRONT PANEL TO OBJECTS IN ROOM
GRILLE
MOUNTING
HOLES
2 3/8”
(60.3)
36" MINIMUM DISTANCE FROM
SLEEVE TO BUILDING WALLS,
SHRUBS, etc.
52P and 52C Indoor and Outdoor Discharge Air Circulation
OUTDOOR VIEW
WALL SLEEVE
WALL SLEEVE-(2)
DRAIN LOCATIONS
CONDENSATE
OVERFLOW
HOLES
(OUTSIDE)
2 3/8”
(60.3)
Back of Polymer Wall Sleeve
GRILLE
MOUNTING
HOLES
30
Page 31
TYPICAL LATERAL DUCT INSTALLATION
WALL
REGISTER
WALL
MOLDING
3’-11 1/2”
(1206.5)
MAX.
*Only one Lateral Duct Extension may be installed per
unit. Lateral duct extensions may be installed on either
side of the unit.
LATERAL DUCT
EXTENSION
REVERSIBLE
AIR GRILLE
3’-8”
(117.6)
PLENUM
3’-11 1/2”
(1206.5)
MAX.
END
CAP
ALTERNATE
EXTENSION
POSITION*
NOTE: For all applications with an accessory lateral duct, sleeve
must extend into the room a minimum of 3 inches. In applications
where the sleeve will not extend a minimum of 3 in., the lateral duct
mounting brackets will need to be mounted on the sleeve prior to
installation to the wall.
52P and 52C Lateral Duct
31
Page 32
DIMENSION DRAWINGS AND INSTALLATION
DATA — NEW CONSTRUCTION (cont)
52P AND 52C WITH SUBBASE
0’-3 1/4” MIN. (83)
0’-5 1/2” MAX. (140)
0’-0 7/8”
(22)
SUBBASE ACCESS COVERS
OUTSIDE
WALL
SEE
NOTES
1 9/16”
SIDE
(3) 7/8” (22.2)
DIA. KNOCKOUTS
(3) 1 1/8” (28.6) DIA.
KNOCKOUTS
SUBBASE LEVELING BOLTS
ACCESSORY DRAIN
(EXTERNAL OR INTERNAL)
NOTES:
1. Accessory subbase is required for applications where:
• Wall sleeve extends 4 or more inches into the room.
• Wall thickness is less than 2 inches.
• All 265-v cord-connected applications.
2. For all applications with an accessory subbase:
• Wall sleeve must extend 4 in. minimum into the room and 3
• Subbase height is adjustable from 31/4in. minimum to 51/2in. maximum above floor (including carpeting).
Refer to wall sleeve installation instructions.
1
/4in. minimum above the floor.
ACCESSORY SUBBASE
ELECTRICAL CONNECTIONS
(39.7)
REAR VIEW
19 1/2”
(495.3)
17”
(431.8)
32
Page 33
WALL THERMOSTAT CONNECTIONS
FAN SPEED
CONTROL
KNOB
THERMOSTAT
POWER
CORD
ACCESS
COVER
POWER
CORD
R
Y
W
G
O
C
Control Box Wire Terminal for
Wall Thermostat Models
WIRE (FIELDSUPPLIED)
THERMOSTAT
R
Y
W
G
O
C
Terminal Connector
Removal and Replacement
THERMOSTAT WIRE ROUTING (UNDER
SLEEVE, BEHIND FRONT PANEL)
Terminal Wire Routing
NOTE: Thermostat wire is field supplied. Recommended wire gage is
18 to 20 gage solid thermostat wire. Thermostat wire should always be
routed around or under, NEVER through, the wall sleeve. The wire
should then be routed behind the front panel to the easily accessible
terminal connector.
The tables below indicate the approximate indoor and
outdoor sound levels. Tests were conducted in the
Carrier Sound Testing Laboratory according to
ARI (Air Conditioning and Refrigeration Institute)
Noise Rating Standard 300 for non-ducted indoor airconditioning equipment.
52PQ and 52CQ — Typical Wiring Schematic for Wall Thermostat Control Heat Pump Units
NOTES:
1. Recommended for use on
grounded power supply only.
2. Compressor and fan motor
thermally protected.
3. Use copper conductors only.
4. All wiring must conform with
N.E.C. and local codes.
5. Dashed lines indicate components when used.
6. Field control wire suitable for
N.E.C. class 2 control circuit,
at 24 vo lts.
7. OFT determines whether to
bring on compressor heat or
electric heat.
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52PE and 52CE — Typical Wiring Schematic for Standard Heat/Cool Units
47
Page 48
WIRING DIAGRAMS (52P AND 52C) (cont)
52PE and 52CE — Typical Wiring Schematic for Wall Thermostat Control Heat/Cool Units
48
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FRONT DESK SWITCH PANEL
ROOM 100ROOM 101ROOM N
FIELD-SUPPLIED
24-V
TRANSFORMER
(SEE NOTE 1)
B
PTAC #1
W
B
PTAC #2
LEGEND
AWG — American Wire Gage
B—Black
PTAC — Packaged Terminal Air Conditioner
W—White
NOTES:
1. To size transformer, use the following equation:
Quantity of PTAC units x 12 va = Transformer Size (va)
Example: 110 PTAC Units x 12 va = 1320 va Transformer
2. Following are recommended wire sizes:
AWG WIRE SIZE NO.MAXIMUM LENGTH (ft)
24400
22600
20900
181500
162000
W
B
W
PTAC #N
Typical Wiring Schematic for Energy Management Kit
49
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WIRING DIAGRAMS (52P AND 52C) (cont)
MASTER
PTAC
UNIT 1
UNIT 2
R
Y
W
G
O
C
R
Y
W
G
O
C
R
Y
W
G
O
C
R
Y
W
G
O
C
T’STAT
UNIT 3
Typical Wiring for Multiple PTAC Units Connected to a Single Wall Thermostat
All units must be connected to same ground source.
To accomplish this, be sure to connect all units to
R
Y
W
G
O
C
the same breaker box. Failure to do so may cause
damage to the unit.
NOTES:
1. Do not daisy chain R (24 VAC).
2. Maximum of 4 PTAC units can be connected to one single wall
thermostat.
3. Wall thermostat wire is field-supplied and should be 18 to
20 gage solid thermostat wire.
50
Page 51
GUIDE SPECIFICATIONS
PACKAGED TERMINAL
COOLING UNIT WITH
HEAT PUMP OR ELECTRIC
HEATING
HVAC Guide Specifications
Size Range:Cooling:6,900 to 15,100 Btuh
Heating:6,000 to 14,100 Btuh Heat Pump
Carrier Model Numbers:
52PC Premier Series, Cooling Only
52PE Premier Series, Cooling with Electric
Heat
52PQ Premier Series, Heat Pump with
Electric Heat
52CE Comfort Series, Cooling with Electric
Heat
52CQ Comfort Series, Heat Pump with
Electric Heat
Part 1 — General
1.01 SYSTEM DESCRIPTION
Single piece, thru-the-wall electrically controlled unit
using hermetic rotary compressor for cooling and heat
pump or electric resistance heat, as shown on the contract drawings.
A. Insulated Polymer Wall Sleeve:
Wall sleeve shall provide excellent thermal insulation, be textured to hide scratches and prevent
shine, will have superior outdoor noise absorption
and shall be corrosion free for the life of the product. The Wall Sleeve must have dimensions of
42 in. width x 16 in. height x 14
shipped with a rear weather barrier installed.
B. Wall Sleeve Molding:
Molding shall trim the wall sleeve to the existing
wall, to hide wall imperfections and irregularities in
the wall opening.
C. Outdoor Polymer Louvered Grille:
Outdoor grille shall resist corrosion, breakage and
match the color specified on drawing schedule and
specifications.
D. Subbase:
Subbase will support the wall sleeve when it
extends into the room more than 4 inches. Subbase
must come from the factory pre-assembled, with a
built in receptacle (size as specified on drawing
schedule and specifications) or with factoryinstalled hardwire, pre-sized for an exact fit to the
unit.
1.02 QUALITY ASSURANCE
System shall be approved and certified by UL and
UL, Canada. Chassis capacity and efficiency performance shall be certified in accordance with ARI
standard 310/380. Chassis shall meet ASHRAE
Standard 90.1 for minimum energy efficiency.
Chassis shall meet the New York City Department of
Building, Material and Equipment acceptance requirement (MEA).
6,400 to 17,000 Btuh Electric
7
/8in. depth and be
1.03 DELIVERY, STORAGE, AND HANDLING
A. The packaging of the chassis shall be sufficient to
protect the chassis from damage during shipment
via an enclosed truck. Chassis must also be able to
withstand an impact force of 10 g’s and a random
continuous force of 1g, during shipping.
B. Chassis, wall sleeves, and grilles shall be shipped in
separate cartons. Universal handling instructions
shall be defined and visible on the carton, from
front, back and sides.
C. Chassis shall be capable of withstanding tempera-
tures from –40 F to 155 F, at 5 to 95 percent RH,
non-condensing, during shipment and storage,
without component failure.
D. Unit shall be stored and handled per manufacturer’s
recommendations.
Part 2 — Products
2.01 EQUIPMENT
A. General:
Factory-assembled, single-piece heating and/or
cooling unit. Contained within the unit enclosure
shall be compressor, coils, fans and fan motor, heating means, controls, all wiring and piping, and a
full refrigerant charge (R-22).
Packaged Terminal Air Conditioners shall be of the
sizes and capacities as shown on the contract drawing schedule and in the specifications.
B. Chassis:
The chassis shall be a factory-assembled, singlepiece heating and/or cooling unit, that is simple to
install and operate. Just slide the chassis into a wall
sleeve, plug it into an outlet, and operate after
installation. The chassis dimensions shall not
exceed 42 in. wide and 16 in. high with room cabinet in place. The chassis shall consist of the following functional sections and components:
1. Operating Characteristics:
Chassis shall be capable of starting and run-
ning at 115 F ambient outdoor temperature per
maximum load criteria of ARI Standard 310/
380.
2. Electrical:
Chassis shall be equipped with a 58 in. power
cord for 208/230 v models or a 15 in. power
cord for 265 v models. The chassis current
draw shall be specified on the chassis nameplate and match electrical requirements specified on the Contract drawing schedule and
specifications. The power cord plug configuration shall conform to NEMA standards and the
rating shall support the current draw of the
electric resistance heater.
For 265 v installations, UL codes require the
use of an electrical equipped subbase for
power cord usage or hardwire conduit for noncorded installations.
C. Airflow System:
The airflow system shall consist of one permanent
split-capacitor, direct-drive permanently lubricated, two-speed fan motor for the indoor and outdoor fans. The outdoor fan shall be a dynamically
balanced, corrosion-resistant polymer multi-blade
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GUIDE SPECIFICATIONS (cont)
axial flow design, with integrated slinger ring. The
indoor fan shall be a dynamically balanced, polymer, reverse curve blower wheel, to assure uniform
air distribution. The Fan Motor shall be of an
enclosed design to reduce the effects of moisture
and corrosion.
D. Compressor and Refrigerant:
The rotary-type Compressor shall be fully hermetic
with internal and external vibration isolation. The
refrigeration system will be sealed and contain a
full refrigerant charge (R-22).
E. Coils:
Condenser and evaporator coils to be constructed of
high-efficiency, 11 element lance sine wave
enhanced aluminum fins and
grooved copper tubing, necessary to achieve
EER and COP rating, as specified on the chassis
nameplate.
F. Factory-Installed Electric Heater:
The factory-installed, open coil type, electric heater
is standard in heat/cool and heat pump chassis. The
electric heater shall contain both an automatic reset
and a one-shot overtemperature protection device.
The heating capacity of the electric heater shall be
as identified on the Contract drawing schedule and
in the specifications.
G. Controls:
All standard models shall be equipped with electromechanical controls to simplify the serviceability of
the unit.
1. The chassis shall have standard controls,
accessible and covered by a hinged door. The
mode selection control shall consist of a
mechanical rotary selector switch, which provides OFF, FAN ONLY, HEAT or COOL operations. The temperature selection control shall
be an adjustable thermostat with upper and
lower limits.
2. All standard models shall have a continuous/
fan cycle selector switch located behind the
front panel. It shall allow the selection of continuous fan operation for maximum comfort or
cycleoperation(fanonlyrunswithcooling
or heating operation) for maximum energy
savings.
3. All standard models shall have a Temperature
Limiter control located behind the front panel.
The temperature limiter allows a room temperature range to be set, to avoid extreme temperature settings, to maximize energy savings.
4. Emergency Heat Switch (Heat Pump Models
Only) shall disable the compressor in heating
mode and only allow the use of electric
heat during heating cycles. The Emergency
Heat switch is active at all outdoor ambient
temperatures.
5. Wall thermostat chassis (RC and RP models)
shall come from the factory ready for wall
thermostat installation, including a blank out
plate in place of the control knobs. No fieldinstalled kits or wire harnesses shall be
required.
6. Wall thermostat chassis (RC and RP models)
shall have a user selectable fan speed control
3
/8-in. seamless axial
switch, on the control panel, to optimize fan
speed for maximum comfort.
H. Safeties:
Compressor shall have automatic reset, overtemperature and overcurrent protection. The fan motor
shall have an inherent, automatic reset overtemperature protection. The electric heater shall have two
overtemperature protectors.
I.Front Panel (supplied with chassis):
Front panel shall be constructed of a polymer material to resist breakage and corrosion. It shall have a
front louvered surface with integrated control
door and air filters. The air filters shall be easily
accessible without removing the front panel from
the chassis.
J.Anti-Theft Control Knobs:
All chassis knobs shall resist breakage and corrosion. They shall be mounted on to the control box
section and captured behind the front panel, to prevent unauthorized removal.
K. Bi-Directional Discharge Grille:
Bi-directional polymer discharge grille shall resist
corrosion and breakage. It shall be easily set to
direct air at 40 degrees from horizontal or
80 degrees from horizontal. This non-metallic discharge grille shall be cool to the touch during the
heating cycle.
L. Ventilation:
The chassis shall have a manual adjustable fresh air
vent with a concealed manual control. The vent
control shall allow a maximum of 50 cfm of fresh
air to be drawn into the room when the indoor fan is
operating and the door is open. The ventilation air
can be increased to approximately 95 cfm by adding the Booster Ventilation accessory kit (see
section Q.13)
M. High-Efficiency Condensate Removal System:
The chassis shall have a condensate removal system consisting of a condensate suction port, to draw
and atomize condensate, and a slinger ring integrated in the outdoor fan, to disperse condensate
onto the condenser coil to be evaporated.
N. Snow Baffle:
The chassis shall contain a snow baffle to prevent
melting snow from freezing and potentially damaging the outdoor fan.
O. Corrosion Protection (CP and RP Models Only):
Chassis with Corrosion Protection (CP,RP) shall be
used for coastal or corrosive environments, to prolong the life of the product. Minimum requirements
are:
1. All outdoor-exposed sheet metal parts shall be
coated with a polyester powder coat paint.
2. Compressor and outdoor-fan motor finish shall
be capable of withstanding 500 hours of salt
spray testing per ASTM B-117.
4. Outdoor coil fin stock shall be coated and able
to withstand 1000 hours of salt spray testing
per ASTM B-117.
5. Outdoor coil tube sheets shall be made of 316L
stainless steel.
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P. Lateral Duct System (optional):
The lateral duct system shall allow one system to
heat or cool two adjacent rooms, with up to a
maximum of 30% of the discharge air being
diverted to the adjoining room (a return air path
must be provided from the adjoining room). The
lateral duct kit consists of two main components,
the plenum and the extension duct. In addition, the
kit includes an adjustable chassis discharge air
grille, adjustable wall register and decorative wall
molding for duct extension.
The Lateral Duct system shall be adaptable for
either right or left side ducting, with a maximum
duct extension of 4 feet. The duct run must be
straight and horizontal; no bends or turns.
Q. Accessories:
1. InsulatedPolymerWallSleeve(P/N:
SLEEVE-INSUL-1PK) shall be made from a
molded polymer, with factory-installed Styrofoam insulation and a minimum flammability
rating of UL94-5V. The sleeve surface shall be
textured to prevent shine and hide scratches.
2. Deep Wall Metal Wall Sleeve (up to 28-in.)
(P/N: SLEEVE-EXTxx-1PK) shall be a onepiece, extended wall sleeve, with factory
installed insulation and deep wall baffles
integrated.
3. Sleeve Molding (P/N: SLEEVE-MOLDING)
shall trim the wall sleeve to the existing wall to
hide wall joints and irregularities due to the
sleeve opening.
4. Architectural Grille (P/N: GRILLE-PLAxxxxx or GRILLE-ALU-xxxxx) shall be polymeric for long durable life or painted aluminum for a superior color match to the building.
5. Subbase (P/N: SUBBASE-xxxV-xxA) shall be
pre-assembled from the factory and UL listed.
Subbase options include:
Non-electrical subbase: The non-electrical
subbase shall be pre-assembled and provides
mechanical support and requires no wiring.
Electrical subbase: The electrical subbase
shall be pre-assembled with factory-installed
electrical junction box containing a receptacle
for corded units.
Hardwired subbase: The hardwired electrical
subbase shall be pre-assembled with factory
installed electrical junction box containing
19 in. of flexible conduit (for a perfect fit to the
unit) and all mating connections.
6. Leveling Legs (P/N: LEVELING-LEGS) shall
attach easily to Carrier’s wall sleeve to provide
accurate, adjustable leveling and support to
units without a subbase.
7. Hardwire Kit (P/N: HARDWIRE-KIT) shall
provide a permanent connection to the unit.
The hardwire kit mounts on the front right side
of the unit and shall have 36 in. of flexible steel
conduit and a Molex connector for easy
connect/disconnect.
8. Conduit Interface Kit (P/N: CONDUIT-INTF4PK) shall provide wire connection to the unit
to interface with field-supplied conduit.
9. Condensate Drain (P/N: DRAIN-KIT-4PK) kit
shall be used internally or externally to route
excess condensate to a drainage system. It can
be field-installed on any Carrier wall sleeve.
The drain kit shall be attached to the exterior
right or left side of the wall sleeve for external
draining or may be mounted to the bottom of
the wall sleeve for internal draining.
10. Lateral Duct (P/N: LATERAL-DUCT) kit
shall include an adapter plenum, extension
duct, wall register and wall molding. The lateral duct system allows one system to heat or
cool two adjacent rooms, by directing up to
30% of the airflow to the adjacent room. See
section 4.0 for detailed specification.
11. Energy Management (P/N: EM-KIT) shall
allow individual units to be turned on and off
from a remote location or by a motion sensing
device. This kit interfaces to most energy management systems.
12. Lateral Air Deflector (P/N: DEFLECTOR1PK) shall allow right or left air distribution
from the chassis. Lateral air deflectors are recommended for units mounted in a corner or
off-center in a room.
13. Curtain Deflector (P/N: CURTDEL-52CP1PK) shall prevent curtains from being blown
into the discharge air.
14. Security door (P/N: SECURITY-DOOR) kit
shall prevent unauthorized access to the unit’s
heating and cooling controls and prevents
tampering with units in public locations and
institutions. The security door shall include
two matching keys and keys shall be common
to all Carrier Security Door kits.
15. Wall Thermostats (P/N: TSTATCCBxx01-B)
shall operate with 24 VAC, be digital and
non-programmable, easy-to-use and provide
maximum guest comfort.
16. Sleeve Molding (P/N: SLEEVE-MOLDING)
shall trim the wall sleeve to the existing wall to
hide wall joints and irregularities due to the
sleeve opening.
17. Power Fresh Air Vent (P/N: PWR-VENTDOORxxx) kit shall provide approximately
95 cfm of outdoor air for ventilation into the
room. The kit shall have an automatically door
that opens when the fan is on and closes when
the fan is off.
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TYPICAL WARRANTY
normal maintenance as outlined in the owner’s manual.
installation.
tion. This is the responsibility of the installer.
or any other damages due to the inadequacy or interruption of electrical
services.
unauthorized alteration, improper servicing or operation.
environment, or other conditions beyond the control of CARRIER.
EXCEPTION TO CORROSIVE ENVIRONMENT IN ABOVE PARAGRAPH —
Packaged terminal units (52 Series) built with corrosion protection are exempt
from the exclusion — “Corrosive Environment.” The unit model number is
identified on the nameplate with a CP suffix.
plied or designated by CARRIER and which are specifically covered under
this warranty.
and Canada.
responsibility of the selling dealer or the authorized Room Air Conditioner
service station.
MERCIAL DAMAGE OF ANY NATURE WHATSOEVER. Some states do not
allow the exclusion or limitation of incidental or consequential damages, so
the above limitation or exclusion may not apply to you.
2. Standard maintenance, cleaning or damage resulting from failure to perform
3. Instruction on methods of control and use of air conditioning unit after initial
4. Damage or repairs needed as a consequence of faulty installation or applica-
5. Failure to start due to voltage conditions, blown fuses, open circuit breakers
6. Damage or repairs needed as a consequence of any misapplication, abuse,
1. CLEANING REQUIRED PRIOR TO WARRANTY REPAIR.
CARRIER WILL NOT BE RESPONSIBLE FOR:
7. Damage as a result of floods, winds, fires, lightning, accidents, corrosive
8. Reimbursement for replacement parts or repair services which are not sup-
9. CARRIER products installed outside the continental U.S.A., Alaska, Hawaii
10. Shipping damage or damage as a result of transporting the unit. This is the
11. ANY SPECIAL, INDIRECT OR CONSEQUENTIAL PROPERTY OR COM-
12. Warranty coverage of accessory items (wall thermostats, wall sleeves, etc.).
NOTE: Service and Maintenance items excluded in this warranty may be covered by
a separate service agreement through the seller at time of purchase.
— ALL IMPLIED WARRANTIES (INCLUDING
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
FULL ONE-YEAR WARRANTY — During the first year after purchase, CARRIER
will, through its authorized independent servicing dealers or service stations*, and
free of charge to the user or subsequent users, repair or replace any parts which
Carrier
Packaged Terminal
Air Conditioner Warranty
are defective in material or workmanship. The replacement part can be a new or
IMPLIED WARRANTIES OF MERCHANTABILITY) ARE HEREBY LIMITED IN
DURATION TO THE PERIOD FOR WHICH EACH LIMITED WARRANTY IS GIVEN
AND APPLIES. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG
AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY
TO YOU. THE EXPRESSED WARRANTIES MADE IN THIS WARRANTY ARE
EXCLUSIVE AND MAY NOT BE ALTERED, ENLARGED, OR CHANGED BY ANY
DISTRIBUTOR, DEALER, OR OTHER PERSON WHATSOEVER.
ALL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED
DURING NORMAL WORKING HOURS. ALL REPLACEMENT PARTS, WHETHER
NEW OR REMANUFACTURED, ASSUME AS THEIR WARRANTY PERIOD ONLY
remanufactured part as provided at CARRIER’S sole option.
FULL EXTENDED FOUR-YEAR WARRANTY ON SEALED REFRIGERATION
SYSTEM ONLY — During the second through fifth years after date of original pur-
chase, CARRIER will, through its authorized servicing dealers and service stations*
and free of charge to the end user or subsequent users, repair or replace the
compressor, condenser, evaporator or connecting tubing if defective in material or
workmanship. This includes system refrigeration charge. The replacement part can
be new or a remanufactured par t as provided at CARRIER’S sole option.
LIMITED EXTENDED FOUR-YEAR WARRANTY ON NON-SEALED REFRIGER-
AT IO N SYSTEM ONLY — During the second through fifth years after date of origi-
nal purchase, Carrier will, through its authorized servicing dealers and service
stations and free of charge to the end user or subsequent users, repair or replace
any non-sealed system part (motor, solenoid, thermistor, thermostat, relays, switch,
capacitor, overload, drain valve, bulb heater, fan, stator) if defective in material or
workmanship. The replacement par t can be new or a remanufactured part at
CARRIER’S sole option. THIS LIMITED WARRANTY DOES NOT INCLUDE
LABOR, user is responsible for labor, including cost of diagnosis of problem,
removal and transportation of the air conditioner to and from the service center, and
reinstallation charges necessary to accomplish repair.
LIMITATION OF WARRANTIES
THE REMAINING TIME PERIOD OF THIS WARRANTY.
Catalog No. 530-122 (Rev. 3/02)
*Authorized independent dealers or service stations are registered with Carrier Air Conditioning through its distributor organization.
54
Page 55
IF YOUR AIR CONDITIONER DOES NOT WORK, FOLLOW THESE STEPS IN ORDER:
yellow pages.
Your dealer can provide the distributor’s name or you can consult your
3. CONTACT THE CARRIER DISTRIBUTOR SERVING YOUR AREA.
being sure the air conditioner is plugged in firmly in an appropriate
1. CHECK THE THINGS YOU CAN DO YOURSELF. These include
4. CONTACT CARRIER IF A SATISFACTORY SOLUTION IS NOT
receptacle, checking the fuse or circuit breaker and ensuring its re-
placement or resetting, if necessary, and rereading the instruction
book to ensure that all controls are set properly. By doing this you
REACHED IN STEPS 2 AND 3.
can save money. Many unnecessary service calls result in the
Carrier Air Conditioning
Consumer Relations Department
Carrier Parkway, P.O. Box 4808
Syracuse, New York 13221
serviceman doing what the owner can do for him or herself.
CARRIER AUTHORIZED SERVICE CENTER. They have been set up
2. CONTACT YOUR DEALER OR THE RECOMMENDED
Telephone: 1-800-894-6449
to handle the great majority of all possible service problems. The
quickest, surest and best way to get your air conditioner back in
service is to use this step before proceeding further.
Carrier Corporation
55
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ACCESSORY LIST
ACCESSORYFORM NUMBERPART NUMBERDESCRIPTION
Wall Sleeves52S-48SIWALL-SLEEVE-1PKNon-Insulated Polymer Wall Sleeve, 1 per pack
52S-50SISLEEVE-STEEL-1PKInsulated Metal Wall Sleeve, 1 per pack
52S-49SISLEEVE-EXT18-1PKExtended Metal Wall Sleeve for Deep Wall Applications (18 in. deep), 1 per pack
N/ASLEEVE-MOLDINGMolding kit to trim the wall sleeve to the wall
52C,P-26SIFR-SLEEVE-EXTFriedrich wall sleeve extension to retrofit Carrier PTAC unit into Friedrich 111/2″ deep
52C,P-31SIBAFFLE-KIT-1PKEnsures good air seal and prevents air recirculation when Carrier sleeve is used with a non-Carrier grille.
52C,P-2SISUBBASE-230V-15AElectrical subbase with factory-installed 208/230V, 15 amp receptacle
52C,P-17SISUBBASE-265V-15AElectrical subbase with factory-installed 265V, 15 amp receptacle
52C,P-3SISUBBASE-HARDWIRE Electrical subbase with factory-installed hardwire kit (230/208V and 265V)
52C,P-4SISUBBASE-SWITCHField-Installable Switc h kit for an electrical subbase
52C,P-5SISUBBASE-FUSE-15AField-Installed Fuse Kit (15 amp) for electrical subbase
52C,P-11SIHARDWIRE-KIT-1PKPermanent power connection to the unit (includes 36″ of flexible conduit and unit-mounted
52C,P-19SICONDUIT-INTF-4PKInterface kit for field-supplied conduit to provide permanent power connection
52S-53SIDRAIN-KIT-4PKAttaches to wall sleeve for controlled internal or external disposal of condensate-4 per pack
N/AHH01AD045Electro-mechanical Wall Thermostat (Heat/Cool and Heat Pump)
52C,P-30SIRC-FIELDKIT230HCField-installed wall thermostat retrofit kit to convert a standard 230V Heat/Cool unit to an
52C,P-34SI2SPEED-TSTAT-KITField-installed automatic heat/cool changeover thermostat with 2-speed fan control at thermostat.
N/ATSTAT-COVER-6X7Clear plastic locking thermostat cover prevents unauthorized access to thermostat.
N/ATSTAT-COVER-7X10Clear plastic locking thermostat cover prevents unauthorized access to thermostat. Cover for
N/AAIR-FILTER-10PKReplacement air filters in package of 10
52C,P-24SIEM-KITAllows unit to be turned on and off from a remote location (includes freeze guard protection)
52C,P-23SISECURITY-DOORKey-locking security door to prevent access to heating and cooling controls
52C,P-32SIPWR-VENT-DOOR230 Power vent with automatic door that opens and closes when the fan turns on and off (230V).
52C,P-9SIDEFLECTOR-1PKLateral air deflector, with individually adjustable louvers, to enhance air circulation, 1 per pack
52C,P-21SICURTDFL-52CP-1PKCurtain deflector for 52C and 52P models — prevents curtains from blowing into
WALL-SLEEVE-9PKNon-Insulated Polymer Wall Sleeve, 9 per pack
SLEEVE-INSUL-1PKInsulated Polymer Wall Sleeve, 1 per pack
SLEEVE-EXT24-1PKExtended Metal Wall Sleeve for Deep Wall Applications (24 in. deep), 1 per pack
SLEEVE-EXT26-1PKExtended Metal Wall Sleeve for Deep Wall Applications (26 in. deep), 1 per pack
SLEEVE-EXT28-1PKExtended Metal Wall Sleeve for Deep Wall Applications (28 in. deep), 1 per pack