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52C and 52P
52C
SERIES
SERIES
OWNER’S MANUAL
PACKAGED TERMINAL AIR CONDITIONERS
AND HEAT PUMPS
7,000-15,000 Btuh
CONTENTS
Page Page
GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . 10,11
INDOOR-AIR INLET FILTERS . . . . . . . . . . . . . . . . . . 10
UNIT INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,3
EXTERNAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
FRONT
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with all accessory components. See Accessories section GENERAL on page 14 for complete listing of accessories. Thank you for choosing Carrier! You can feel confident in your selection because the same pride in craftsman- UNIT INSPECTION ship and engineering knowledge that goes into Carrier equipment at the Astrodome in Texas, the Sistine Examine unit for damage incurred during shipment. Chapel in Rome, the US Capitol Hall of Congress, and File a claim immediately with the transit company i
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52 PE A 3 12 3 0 1 AA Series Designation PTAC (Packaged Terminal Air Conditioner) Chassis Options Comfort Series AA – Standard CE – Cooling with Electric Heat CP – Corrosion Protection CQ – Heat Pump RC – Wall Thermostat Control (Not available on cooling only units) Premier Series RP – Wall Thermostat Control with PC – Cooling Only Corrosion Protection (Not available on PE – Cooling with Electric Heat cooling only units) PQ – Heat Pump Latest Revisio
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GROUNDING — For safety and protection, the unit ELECTRICAL DATA 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 SHOCK HAZARD TABLE 1 — SUGGESTED BRANCH CIRCUIT DO NOT alter cord or plug, and DO NOT use an WIRE SIZES* extension cord. Personal injury or damage to the unit may result. NAMEPLATE AMPS AWG WIRE SIZE† 7.0 to 12 14 Be sure that your outlet mat
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INSTALLATION CHASSIS INSTALLATION FOAM STRIP FOAM STRIP OR BAFFLE 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 applicati
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INSTALL CHASSIS IN SLEEVE (See Figures 6 to 9) SIDE TOP 1. Inspect foam gaskets (top, bottom, both sides) on GASKET GASKET 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 shippi
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WALL THERMOSTAT INSTALLATION The following instructions apply to RC and RP units 4. Reinstall cover. only. 5. Set desired fan speed using fan switch (unit will NOTE: Carrier thermostats are recommended. See operate only at selected speed). Accessories section. 6. Restore power to unit. NOTE: Refer to thermostat installation instructions IMPORTANT: Only trained, qualified personnel for details on installing thermostat. and service mechanics should install electrical accessories on Carrier 52C
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OPERATION The temperature limits are factory set to full range, IMPORTANT: When unit is first started, high which is 60 F to 90 F. To set restricted rotation of the humidity conditions can cause condensation to form temperature control knob: on discharge grille. Keep doors and windows closed. 1. Remove front panel. Room humidity decreases and moisture evaporates. 2. Remove temperature control knob to expose tem- perature limiter. COMFORT CONTROLS 3. Remove standoff pins from the 60 F and 90
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To set unit to operate in electric heat mode only, turn OPERATING CONTROLS the setscrew to the electric heat position. See Fig. 14. The following controls are located on the front of the control box door, under front panel. To obtain access to IMPORTANT: If setscrew on standard heat pump operating controls, remove the unit front panel as unit is set to electric heat mode operation, the com- shown on page 2. See Figure 14. pressor is disabled for both heating and cooling FAN CYCLE SWITCH
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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, mor
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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 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
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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
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TROUBLESHOOTING POSSIBLE CAUSES SOLUTIONS UNIT DOES NOT START • Unit may have become unplugged • Check that plug is securely in wall receptacle. • Fuse may have blown • Replace the fuse. See Note 1. • Circuit breaker may have been tripped • Reset circuit breaker. See Note 1. • Unit mode dial may be set to the OFF position • Switch mode dial to an operating mode. UNIT NOT COOLING/HEATING ROOM • Unit air discharge section is blocked • Make sure that curtains, blinds or furniture are not restrictin
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ACCESSORIES ACCESSORY FORM NUMBER PART NUMBER DESCRIPTION Wall Sleeves 52S-48SI WALL-SLEEVE-1PK Non-Insulated Plastic Wall Sleeve, 1 per pack WALL-SLEEVE-9PK Non-Insulated Plastic Wall Sleeve, 9 per pack SLEEVE-INSUL-1PK Insulated Plastic Wall Sleeve, 1 per pack 52S-50SI SLEEVE-STEEL-1PK Insulated Metal Wall Sleeve, 1 per pack 52S-49SI* SLEEVE-EXT24-1PK Extended Metal Wall Sleeve for Deep Wall Applications (24 in. deep), 1 per pack 1 52C,P-12SI FR-SLEEVE-EXT Friedrich wall sleeve extension to re
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15 Carrier Packaged Terminal Air Conditioner Warranty FULL ONE-YEAR WARRANTY — During the first year after purchase, CARRIER CARRIER WILL NOT BE RESPONSIBLE FOR: will, through its authorized independent servicing dealers or service stations*, and 1. CLEANING REQUIRED PRIOR TO WARRANTY REPAIR. free of charge to the user or subsequent users, repair or replace any parts which 2. Standard maintenance, cleaning or damage resulting from failure to perform are defective in material or workmanship. The
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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 Book 1 4 52P-1SO Tab 9a 11a
