Carrier 52ceb515331aa Owner's Manual
52C
52C
SERIES
SERIES
OWNER’S MANUAL
PACKAGED TERMINAL AIR CONDITIONERS
AND HEAT PUMPS
7,000-15,000 Btuh
CONTENTS
GENERAL
UNIT INSPECTION
FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ELECTRICAL DATA
ALL UNITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
VOLTAGE SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INST ALLATION
CHASSIS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . 5
WALL THERMOSTAT INSTALLATION . . . . . . . . . . . 7
OPERATION
COMFORT CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . 8
OPERATING CONTROLS . . . . . . . . . . . . . . . . . . . . . . . 9
OPERATING MODES. . . . . . . . . . . . . . . . . . . . . . . . . . . 9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8,9
Page
CARE AND MAINTENANCE
INDOOR-AIR INLET FILTERS . . . . . . . . . . . . . . . . . .10
EXTERNAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
INTERNAL PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
PREVENTATIVE MAINTENANCE
TROUBLESHOOTING
ACCESSORIES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
. . . . . . . . . . . . . . . . . . . . . . . . . . .13
. . . . . . . . . . . . . . . . . 10,11
. . . . . . . . . . . . . . . .12
1•800•894•6449
For Service/
Technical Assistance
Page
52C
SERIES
GENERAL
Thank you for choosing Carrier! You can feel confident
in your selection because the same pride in craftsmanship and engineering knowledge that goes into Carrier
equipment at the Astrodome in Texas, the Sistine
Chapel in Rome, the US Capitol Hall of Congress, and
thousands of other installations worldwide has gone
into the construction of this unit.
The Carrier package terminal air conditioners and
heat pumps provide a high standard of quality in performance, workmanship, durability and appearance as
they heat and cool the occupied air space year round.
This manual provides information for ease of installation, operation and maintenance of the 52C unit. The
following units are covered in this manual (see
Figure 1 for additional unit information):
52CE 60 Hz cooling with electric heat units
52CQ 60 Hz cooling, electric heat, and heat pump units
All models are designed for through-the-wall installation. Separate installation instructions are included
with all accessory components. See Accessories section
on page 14 for complete listing of accessories.
MODEL 52CQA312301AA
SERIAL 0201X11520
DATE OF MFG. 01/12/2001
VOLT RANGE 187-253
VOLTS 230/208
PH 1
MIN CKT AMPACITY 17.9
R-22 OZ 34
DESIGN PSIG 350 HIGH SIDE, 150 LOW SIDE
BTU/HR 12,00/11,900
AMPS 5.8/6.2
WATTS 1333/1311
EER 10.1/10.1
COMP
FAN
MOTOR
BTU/HR 10,800/10,700
AMPS 15.8/14.5
WATTS 3600/3025
COP 3.0/3.0
HEATER
BTU/HR
USE
TIME DELAY FUSE
OR HACR TYPE
CIRCUIT BREAKER
HZ
COOLING
70
RLA
33.2
LRA
1.0/0.8
FLA
1/8
HP
HEATING
AMPS 14.8/13.7
WATTS 3400/2850
WATER
STEAM
CANADIAN INSTALLATION
AMP
20
MAX FUSE
60
AMP AMP
20
MAX BREAKER
20
UNIT INSPECTION
Examine unit for damage incurred during shipment.
File a claim immediately with the transit company if
damage is found.
The data information plate (Figure 1) lists the model
number, voltage ranges, and other important electrical
information about this product. Reading and understanding this material is important for proper use of
this unit. To access the information plate, the front
panel must be removed; see Figure 2.
FRONT PANEL
To remove the front panel:
1. Grasp panel firmly near bottom of both sides.
2. Pull panel forward then upward to release magnetic latches and partition hooks.
NOTE: Front panel may be secured to chassi s wi th
2 screws located behind indoor air inlet filters. In order
to remove these screws, the filters must be removed
first. Refer to page 10 in this manual for instructions on
removing indoo r air in l et fi lt er s.
IMPORTANT: The front panel has to be off the unit
to complete future checks and installation procedures. Do not reinstall front panel at t his time.
Using Figures 1 and 3 as reference, verify that the
packaged terminal product ordered will operate properly in your facility. If you do not understand the information given or have questions about the product,
please call your local dealer or distributor.
FIGURE 1 — SAMPLE DATA INFORMATION PLATE
FIGURE 2 — REMOVING FRONT PANEL
Replacement Package Terminal Air Conditioner,
CLASSIFIED BY UNDERWRITERS LABORATORIES INC., AS TO ELECTRIC SHOCK, FIRE AND
CASUALTY HAZARDS ONLY. FOR FIELD INSTALLATION WITH EXISTING WALL SLEEVES, OUTDOOR LOUVERS, AND INDOOR PANELS AS
SPECIFIED ON THE PRODUCT.
2
52 CE A 3 12 3 0 1 AA
TOP PARTITION
DISCHARGE
DECK
ENGAGEMENT
HOLE
FRONT PANEL
SLOT
Series Designation
PTAC (Packaged Terminal Air Conditioner)
CE – Cooling with Electric Heat
CQ – Heat Pump
Latest Revision
A – Z
Electric Heater Size
2 – 2.3 kW
3 – 3.4 kW
5 – 5.0 kW
Cooling Capacity (nominal)
07 – 7,000 Btuh
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:
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 bot h indoor ai r inlet fi lters to ex pose fron t
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.
Chassis Options
AA – Standard
CP – Corrosion Protection
RC – Wall Thermostat Control
RP – Wall Thermostat Control with
Corrosion Protection
Packaging
1 – Domestic
Non-Performance
Changes 0-9
Electrical Data
3 – 230/208-v, 60 Hz
4 – 265-v, 60 Hz
FIGURE 4 — FRONT PANEL INSTALLATION
WITH LOCKING FEATURE
3
52C
SERIES
ELECTRICAL DATA
ELECTRICAL SHOCK HAZARD
DO NOT alter cord or plug, and DO NOT use an
extension cord. Personal injury or damage to the
unit may result.
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 section,
page 14.)
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.
TABLE 1 — SUGGESTED BRANCH CIRCUIT
WIRE SIZES*
NAMEPLATE AMPS AWG WIRE SIZE†
7.0 to 12
12.1 to 16
16.1 to 24
LEGEND
AWG —
*Single circuit from main box.
†Based on copper wire at 60 C temperature rating.
American Wire Gage
14
12
10
IMPORTANT: All standard cord-connected 265-v
units will require a field-installed elect rical subbase accessory.
ALL UNITS
WIRE SIZE —
■
Table 1 and install a single branch circuit. All wiring
must comply with local and national codes. All units
are designed to operate off single branch circuits only.
NOTE: Use copper conductors only.
Use recommended wire size given in
TABLE 2 — RECEPTACLES AND FUSE TYPES — 250,265 VOLTS
RECEPTACLE
15 Amps 20 Amps 30 Amps 15 Amps 20 Amps 30 Amps
RATED VOLTS
TIME-DELAY TYPE
FUSE (or HACR Circuit Breaker)
LEGEND
HACR —
*May be used for 15-amp applications if fused for 15 amp.
Heating, Air Conditioning, Refrigeration
250 250 250 265 265 265
15 20* 30 15 20 30
VOLTAGE SUPPLY
Check voltage supply a t outlet. For satisfactory results, the voltage range must always be within the
ranges found on the data information plate
(Figure 1).
CORD-CONNECTED UNITS
■
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 section, page 14, for subbase selection.
Refer to Tab le 2 for pr o p er r ec e p ta cle and fuse ty pe .
— The 250-v field-
4
INSTALLATION
FOAM STRIP
OR BAFFLE
FOAM STRIP
OR BAFFLE
CHASSIS INSTALLATION
Units are shipped without a sleeve. In applications
where unit is a replacement, it is recommended that a
Carrier sleeve be used. The 52C unit can retrofit
General Electric, Amana and Trane sleeves/grilles (be
sure outdoor grille is installed on the slee ve). A retrofit
kit with instructions is included with every unit. See
Table 3 for details. Carrier Corporation 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 t ube
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 deterioration before installing chassis.
If baffles are not installed properly, loss of performance and premature damage to the major components can result.
FIGURE 5 — OUTDOOR GRILLE
TABLE 3 — RETROFIT WALL SLEEVES
MANUFACTURER* WALL SLEEVE PART NUMBER
General Electric
Amana Metal Sleeve WS900B
Trane Metal Sleeve SLV149
*Retrofit kit is
not
needed for Carrier or Bryant applications.
Metal Sleeve RAB71
Plastic Sleeve RAB77
INDOOR-AIR
INLET
FILTERS
FRONT
PANEL
DISCHARGE
GRILLE
WIRE SCREEN
OUTDOOR
ORIFICE
INDOOR
COIL
FIGURE 6 — 52C UNIT COMPONENTS
COIL TUBE
SHEETS
BASEPAN
OUTDOOR
GRILLE
WALL
SLEEVE
5
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