Page 1: Table Of Contents
Heat Pumps Pay Their Own Way....12 Carrier Warranty ....... 3 Heat Pump Energy Savings .
Page 2 Enjoy the ultimate in comfort, humidity control, and energy savings with Carrier’s com- plete 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.
Page 3: Applications
• No bulky duct system • Use an existing sleeve and exterior grille. The • No separate equipment room Carrier 52P and 52C series PTAC will fit into most • No water towers or additional cooling equipment major competitors wall sleeves/grilles, including •...
Page 4: Application Considerations
APPLICATIONS (cont) APPLICATION Oversizing CONSIDERATIONS If a PTAC unit is oversized (cooling capacity is greater than required capacity for the specific application), the Installation instructions are shipped with all PTAC unit will cool the space down to the desired tempera- units.
Page 5: Product Overview
PRODUCT OVERVIEW (52P AND 52C) This section summarizes product features covered in detail in later sections of this manual: MODE 2-WAY WIRE SCREEN FRESH AIR BI-MOLDED THERMOSTAT WITH COPPER TUBE ROTARY 2 AIR SELECTION FILTERS CONTROL CONDENSER TEMPERATURE ALUMINUM COMPRESSORS DISCHARGE SWITCH GRILLE...
Page 6: Product Features And Benefits
PRODUCT FEATURES AND BENEFITS (52P AND 52C) The 52P and 52C models are a single-package, The new aerodynamic split condenser shroud design through-the-wall unit for heating and cooling hotel improves airflow and reduces outdoor noise, providing rooms, offices, apartments, condominiums, and resi- a more relaxing outdoor environment.
Page 7: No-Rust Weather Last™ Wall Sleeve And Front Panel
42 in. sleeve sweating. Carrier’s metal wall sleeves are available in a variety 16 in. 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.
Page 8: Two-Piece Lifetime Indoor Filter
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 inter- changeable. The front panel does not need to be removed to access or change the filters. The filters are washable and permanent.
Page 9: Power Cord For 265-Vunits
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. 265-V Unit with Power Cord POWER CORD PROTECTION FOR 230/208-V UNITS...
Page 10: Easy Access To Chassis
PRODUCT FEATURES AND BENEFITS (cont) EASY ACCESS TO CHASSIS Access to the chassis simply requires removing four screws and then sliding the chassis out of the sleeve for service. CHASSIS ATTACHMENT SCREWS (SAME LOCATION ON OPPOSITE SIDE) PLUG TEST/ RESET BUTTONS Easy Service Access HIDDEN CONTROLS Fan Cycle Switch...
Page 11: Enhanced Copper Tubing
Condensate Drain Valve Prevents Water from Freezing in Basepan CONDENSATE REMOVAL SYSTEM Carrier’s 52P and 52C Series units have an improved condensate (water) disposal system. In addition to SLINGER slinger ring technology, Carrier has developed and pat- RING ented a Condensate Suction Port.
Page 12: Heat Pumps Pay Their Own Way
In Hot Weather: The indoor thermostat senses the indoor temperature and automatically turns on the electric heat to warm Carrier’s PTAC units provide indoor comfort in the the room quickly. After the desired temperature condi- same manner as conventional air conditioners, remov- tions have been satisfied, the thermostat automatically ing heat and humidity from indoor air.
Page 13: Heat Pump Energy Savings
Btuh ZONE II Cooling Capacity column. Exact savings are determined by lifestyle, local electrical rates, and climatic ZONE I conditions. CARRIER HEAT PUMP INITIAL COST VERSUS SAVINGS OVER HEAT/COOL MODELS 7000 BTUH 9000 BTUH 12000 BTUH 15000 BTUH $110 COOLING...
Page 14: Ordering Data
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;...
Page 15: Factory-Installed Options
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...
Page 16 Carrier wall sleeves for all installations. All Carrier wall sleeves are built with a pitch of 1/4 in. Insulated Polymer Wall Sleeve per foot; for self-pitching of the unit, the wall sleeve must be installed level (any error should be pitched to Part No.: SLEEVE-INSUL-1PK...
Page 17 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). Wall Sleeve Molding Kit...
Page 18: Field-Installed Accessories
(52P AND 52C) (cont) OUTDOOR GRILLES Polymeric Architectural Outdoor Grilles (Louvered) Carrier recommends only the use of Carrier-supplied grilles for use on the 52P and 52C series units. How- Part No.: GRILLE-PLA-BROWN ever, the architectural designs of a building may dic- Part No.: GRILLE-PLA-BEIGE...
Page 19 Outdoor Grille Selection IMPORTANT: If you wish to use a grille not made by Carrier for your Carrier unit(s), con- tact the Carrier Application Engineering Group at 1-800-894-6449. The following guidelines must be followed in the ini- tial selection of any alternate exterior grille or louver: 1.
Page 20 FIELD-INSTALLED ACCESSORIES (52P AND 52C) (cont) SUBBASE Part No.: SUBBASE-NON-ELEC Part No.: SUBBASE-230V-30A Part No.: SUBBASE-265V-30A Part No.: SUBBASE-230V-15A Part No.: SUBBASE-265V-15A Part No.: SUBBASE-HARDWIRE Part No.: SUBBASE-230V-20A Part No.: SUBBASE-265V-20A Part No.: LEVELING-LEGS This decorative subbase supports the unit and is avail- able in three basic models: non-electrical, electrical, and hardwired.
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 in. to Leveling-Legs Subbase Fuse Kit Part No.: SUBBASE-FUSE-15A Part No.: SUBBASE-FUSE-20A Part No.: SUBBASE-FUSE-30A...
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 bet- ter temperature and humidity control as they can be placed in an optimal position in the room.
Page 23 PTAC units with standard unit-mounted controls to be Wall Thermostat Interface Retrofit Kit 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...
Page 24 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.
Page 25 This field-installed accessory includes two matching keys and fits all Carrier 52P and 52C models. Keys are common to all Security Door kits. Security Door Kit...
Page 26 (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 pre- venting the evaporator coils from being plugged with dirt and lint. These economical and sturdy filters are inter- changeable and may be washed, vacuumed, and reused.
Page 27: Dimension Drawings And Installation Data - New Construction
DIMENSION DRAWINGS AND INSTALLATION DATA — NEW CONSTRUCTION TYPICAL WALL If practices are unknown, consult your local architect or building contractor. INSTALLATION Installed wall sleeve must be level from side to side and front to back. Proper building practices must be used when con- structing a wall opening to support a PTAC wall sleeve and chassis.
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 JACK STUD 42 in.
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.
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 36" MINIMUM DISTANCE FROM SLEEVE TO BUILDING WALLS, SHRUBS, etc.
Page 31 TYPICAL LATERAL DUCT INSTALLATION ALTERNATE EXTENSION POSITION* WALL LATERAL DUCT EXTENSION REGISTER PLENUM 3’-8” (117.6) WALL MOLDING REVERSIBLE AIR GRILLE 3’-11 1/2” (1206.5) MAX. 3’-11 1/2” (1206.5) *Only one Lateral Duct Extension may be installed per MAX. unit. Lateral duct extensions may be installed on either side of the unit.
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 NOTES 1 9/16” (39.7) SIDE 19 1/2” (495.3) (3) 7/8” (22.2) DIA.
Page 33 WALL THERMOSTAT CONNECTIONS FAN SPEED CONTROL KNOB THERMOSTAT WIRE (FIELD- SUPPLIED) POWER CORD ACCESS COVER POWER CORD THERMOSTAT Control Box Wire Terminal for Wall Thermostat Models Terminal Connector Removal and Replacement NOTE: Thermostat wire is field supplied. Recommended wire gage is 18 to 20 gage solid thermostat wire.
Page 34: Product Data
PRODUCT DATA (52P) PERFORMANCE AND ELECTRICAL DATA MODEL 52PQ (230/208-1-60) CAPACITY* (Btuh) AMPS WATTS MODEL VOLTAGE HEATER NUMBER Heating COP† RANGE Cooling Cooling Heating** Cooling Heating 52PQ (Volts) Rev. Cyc. Electric 207---3 7,200/ 7,100 6,300/ 6,300 7,800/ 6,400 12.7/12.7 3.4/3.4 2.7/2.9 10.4/ 9.5 567/ 559 2393/1985...
Page 35 PERFORMANCE AND ELECTRICAL DATA MODEL 52PQ (265-1-60) CAPACITY* (Btuh) AMPS WATTS MODEL HEATER VOLTAGE NUMBER Heating COP† RANGE Cooling Cooling Heating** Cooling Heating 52PQ Rev. Cycle Electric 207---4 7,200 6,300 7,800 12.3 2396 307---4 7,200 6,300 11,600 12.3 13.3 3496 209---4 9,100 7,700...
Page 36 PRODUCT DATA (52P) (cont) PERFORMANCE AND ELECTRICAL DATA MODEL 52PC AND PE (230/208-1-60) 52PC performance and electrical data is the same as 52PE without electric heat. MODEL CAPACITY* (Btuh) VOLTAGE AMPS WATTS HEATER NUMBER RANGE Cooling Heating Cooling Heating† Cooling Heating 52PE (Volts)
Page 37 PERFORMANCE AND ELECTRICAL DATA MODEL 52PC AND PE (265-1-60) 52PC performance and electrical data is the same as 52PE without electric heat. MODEL CAPACITY* (Btuh) VOLTAGE AMPS WATTS HEATER NUMBER RANGE Cooling Heating Cooling Heating† Cooling Heating 52PE (Volts) 007---4 7,200 —...
Page 38 PRODUCT DATA (52C) PERFORMANCE AND ELECTRICAL DATA MODEL 52CQ (230/208-1-60) CAPACITY* (Btuh) AMPS WATTS MODEL VOLTAGE HEATER NUMBER Heating COP† RANGE Cooling Cooling Heating** Cooling Heating 52CQ (Volts) Rev. Cyc. Electric 207---3 7,000/ 6,900 6,100/ 6,000 7,800/ 6,400 11.1/11.1 3.1/3.1 3.0/3.2 10.4/ 9.5 631/ 622 2393/1985...
Page 39 PERFORMANCE AND ELECTRICAL DATA MODEL 52CQ (265-1-60) CAPACITY* (Btuh) AMPS WATTS MODEL HEATER VOLTAGE NUMBER Heating COP† RANGE Cooling Cooling Heating** Cooling Heating 52CQ Rev. Cycle Electric 207---4 7,000 6,100 7,800 11.1 2396 307---4 7,000 6,100 11,600 11.1 13.3 3496 209---4 8,900 7,700...
Page 40 PRODUCT DATA (52C) (cont) PERFORMANCE AND ELECTRICAL DATA MODEL 52CE (230/208-1-60) MODEL CAPACITY* (Btuh) VOLTAGE AMPS WATTS HEATER NUMBER RANGE Cooling Heating Cooling Heating† Cooling Heating 52CE (Volts) 207---3 7,000/ 6,900 7,800/ 6,400 11.1/11.1 3.0/3.2 10.4/ 9.5 631/ 622 2393/1985 307---3 7,000/ 6,900 11,600/ 9,700...
Page 41 PERFORMANCE AND ELECTRICAL DATA MODEL 52CE (265-1-60) MODEL CAPACITY* (Btuh) VOLTAGE AMPS WATTS HEATER NUMBER RANGE Cooling Heating Cooling Heating† Cooling Heating 52CE (Volts) 207---4 7,000 7,800 11.1 2396 307---4 7,000 11,600 11.1 13.3 3496 209---4 8,900 7,800 10.7 2396 309---4 8,900 11,600...
Page 42: Expanded Ratings Data
EXPANDED RATINGS DATA (52P AND 52C) COOLING PERFORMANCE ALL 7000 NOMINAL BTUH MODELS ALL 9000 NOMINAL BTUH MODELS Evaporator entering air temp. — 80 F Evap. air — 260 CFM Evaporator entering air temp. — 80 F Evap. air — 260 CFM EVAP AIR —...
Page 43 COOLING PERFORMANCE (cont) 52PQ 12,000 NOMINAL BTUH MODELS ALL 15,000 NOMINAL BTUH MODELS Evaporator entering air temp. — 80 F Evap. air — 350 CFM Evaporator entering air temp. — 80 F Evap. air — 320 CFM EVAP AIR — EWB (F) EVAP AIR —...
Page 44: Sound Data
(52P AND 52C) 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 air- conditioning equipment.
Page 45: Wiring Diagrams
WIRING DIAGRAMS (52P AND 52C) COMPONENT LEGEND NOTES: 1. Recommended for use on grounded power sup- Component Connection (Marked) ply only. 2. Compressor and fan motor thermally protected. Component Connection (Unmarked) 3. Use copper conductors only. 4. All wiring must conform with N.E.C. and local Accessory or Optional Wiring codes.
Page 46 WIRING DIAGRAMS (52P AND 52C) (cont) TYPICAL THERMOSTAT INTERFACE T’STAT OUTPUT: RC CONTROLER OUTPUT: UNIT OPERATION: ‘G’ — 24 VAC ‘FR’ — LINE VAC ‘G’ — 0 VAC ‘FR’ — 0 VAC ‘Y’ — 24 VAC ‘HR1 & HR2’ — LINE VAC HEATING ‘O’...
Page 47: 52Pe And 52Ce
52PE and 52CE — Typical Wiring Schematic for Standard Heat/Cool Units...
Page 48 WIRING DIAGRAMS (52P AND 52C) (cont) 52PE and 52CE — Typical Wiring Schematic for Wall Thermostat Control Heat/Cool Units...
Page 49: Energy Management/Front Desk Control
FRONT DESK SWITCH PANEL ROOM 100 ROOM 101 ROOM N FIELD-SUPPLIED 24-V TRANSFORMER (SEE NOTE 1) PTAC #1 PTAC #N PTAC #2 LEGEND AWG — American Wire Gage — Black PTAC — Packaged Terminal Air Conditioner — 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.
Page 50: Single Thermostat/Multiple Ptac Units
WIRING DIAGRAMS (52P AND 52C) (cont) T’STAT MASTER PTAC UNIT 1 UNIT 2 All units must be connected to same ground source. To accomplish this, be sure to connect all units to the same breaker box. Failure to do so may cause damage to the unit.
Page 51: Guide Specifications
–40 F to 155 F, at 5 to 95 percent RH, 6,400 to 17,000 Btuh Electric non-condensing, during shipment and storage, Carrier Model Numbers: without component failure. 52PC Premier Series, Cooling Only D. Unit shall be stored and handled per manufacturer’s 52PE Premier Series, Cooling with Electric recommendations.
Page 52 GUIDE SPECIFICATIONS (cont) axial flow design, with integrated slinger ring. The switch, on the control panel, to optimize fan indoor fan shall be a dynamically balanced, poly- speed for maximum comfort. mer, reverse curve blower wheel, to assure uniform H. Safeties: air distribution.
Page 53 17. Power Fresh Air Vent (P/N: PWR-VENT- 6. Leveling Legs (P/N: LEVELING-LEGS) shall DOORxxx) kit shall provide approximately attach easily to Carrier’s wall sleeve to provide 95 cfm of outdoor air for ventilation into the accurate, adjustable leveling and support to room.
Page 54: Typical Warranty
TYPICAL WARRANTY...
Page 56: Accessory List
Aluminum Architectural Exterior Grille, Red Brick GRILLE-ALU-BLUE Aluminum Architectural Exterior Grille, Blue GRILLE-ALU-GREEN Aluminum Architectural Exterior Grille, Green 52C,P-31SI BAFFLE-KIT-1PK Ensures good air seal and prevents air recirculation when Carrier sleeve is used with a non-Carrier grille. Subbase 52C,P-1SI SUBBASE-NON-ELEC Non-electrical Subbase 52C,P-2SI SUBBASE-230V-15A...

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Product Overview

Product Features and Benefits

Ordering Data

Factory-Installed Options

Field-Installed Accessories

Dimension Drawings and Installation Data - New Construction

Product Data

Expanded Ratings Data

Sound Data

Wiring Diagrams

Guide Specifications

Typical Warranty

Accessory List

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