Carrier 52P User Manual
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Carrier 52P User Manual

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ARCHITECTS AND ENGINEERS' MANUAL
PREMIER SERIES 52P
COMFORT SERIES 52C
PACKAGED TERMINAL
AIR CONDITIONERS
AND HEAT PUMPS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,4
New Construction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Retrofit/Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Carrier Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Application Considerations . . . . . . . . . . . . . . . . . . . . . . 4
Quiet Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Most Efficient Performance . . . . . . . . . . . . . . . . . . . . . . 6
Efficient Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Removable Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . 7
Anti-Theft Knobs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Two-Piece Lifetime Indoor Filter . . . . . . . . . . . . . . . . . . 8
Washable Vent Air Filter . . . . . . . . . . . . . . . . . . . . . . . . 8
Bi-Directional Discharge Grille . . . . . . . . . . . . . . . . . . . 8
Power Cord for 265-V Units . . . . . . . . . . . . . . . . . . . . . 9
Bi-Molded Condenser Shroud . . . . . . . . . . . . . . . . . . . . 9
Snow Baffle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Easy Access to Chassis. . . . . . . . . . . . . . . . . . . . . . . . . 10
Hidden Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Enhanced Copper Tubing . . . . . . . . . . . . . . . . . . . . . . . 11
For more information available on the internet, see the www.carrier.com or www.lodgingAC.com web sites.
May 2002
CONTENTS
Page
. . . . . . . . . . . . . . . . . . . . . . . 5
. . . . 6-13
Copyright  Carrier Corporation
Seamless Basepan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Condensate Drain Valve. . . . . . . . . . . . . . . . . . . . . . . . 11
Condensate Removal System. . . . . . . . . . . . . . . . . . . . 11
Heat Pumps Pay Their Own Way. . . . . . . . . . . . . . . . . 12
Heat Pump Energy Savings . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Product Catalog Number . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . 24-29
. . . . . . . . . . . . . . . . . . . . . . . . . 30-37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
. . . . . . . . . . . . . . . . . . . . . 41-47
. . . . . . . . . . . . . . . . . . . . . . . . . . 52
Page
. . . . . . . . . . . 15
. . . . . . 16-23
. . . . . . . . . . . . . . .38,39
. . . . . . . . . . . . . . . . .48,49
. . . . . . . . . . . . . . . . . . . .50,51
Cat. No. 592-080

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Summary of Contents for Carrier 52P

  • Page 1: Table Of Contents

    Heat Pumps Pay Their Own Way....12 Carrier Warranty ....... 3 Heat Pump Energy Savings .
  • Page 2 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.

  • Page 3: Applications

    HVAC turer. The 52P and 52C Series chassis will fit exist- components ing GE, Amana, Trane, and Bryant wall sleeves and • Less sensitivity to building orientation (sun, wind, no retrofit kit is required. All other sleeve applica- shade) tions need prior approval from Carrier.

  • 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...

  • 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

    The insulation helps to reduce heat loss, 42” save energy and provides better sound absorption. Carrier’s metal wall sleeves are available in a variety of sizes for most standard and deep wall applications. 16” 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 BI-MOLDED CONDENSER BI-MOLDED...

  • 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) Easy Service Access HIDDEN CONTROLS Fan Cycle Switch The fan cycle switch allows the fan to operate in...

  • 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 Orifice.

  • 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 230/208V and 265V 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 • hidden selector switch for selectable high or low fan speed A wall thermostat must be ordered separately.
  • Page 16 FIELD-INSTALLED ACCESSORIES (52P AND 52C) WALL SLEEVES Insulated Polymer Wall Sleeve Part No.: SLEEVE-INSUL-1PK It is recommended that a Carrier sleeve be used with a Carrier chassis. Insulated polymer wall sleeves combine all of the above features with the addition of factory-installed Locating holes in the side panels allow easy fastening insulation.
  • Page 17 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 18: Field-Installed Accessories

    (52P AND 52C) (cont) 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 19 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 This decorative subbase supports the unit and is avail- able in three basic models: non-electrical, electrical, and hardwired.
  • Page 20 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 21 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 Wall Thermostat Interface Retrofit Kit field converted for use with wall thermostat controls. Thermostat Locking Cover Part No.: TSTAT-COVER-6X7 Part No.: TSTAT-COVER-7X10...
  • Page 22 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 28 for more information.
  • Page 23 This field-installed accessory includes two matching keys and fits all Carrier 52P and 52C models. Keys are common to all Security Door kits. Replacement Filters Security Door Kit Part No.: AIR-FILTER-10PK...

  • Page 24: Dimension Drawings And Installation Data - New Construction

    9. 265 volt cord connected units must plug into a 265 volt electrical subbase per UL require- ment (or hardwire can be used). 10. The 265 volt electrical cord is approximately 15-in. long from where it exits the front panel. 52P and 52C Dimension Drawing...
  • Page 25 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 Standard Metal Insulated Wall Sleeve 42”...
  • Page 26 DIMENSION DRAWINGS AND INSTALLATION DATA — NEW CONSTRUCTION (cont) 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.
  • Page 27 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, WALKWAY, etc. 52P and 52C Indoor and Outdoor Discharge Air Circulation...
  • Page 28 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...
  • Page 29 52P AND 52C WITH SUBBASE 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.

  • Page 30: 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 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...
  • Page 31 PERFORMANCE AND ELECTRICAL DATA MODEL 52PQ (265-1-60) CAPACITY* (Btuh) AMPS WATTS MODEL HEATER VOLT NUMBER Heating COP† RANGE Cooling Cooling Heating** Cooling Heating 52PQ Rev. Cycle Electric 207---4 7,200 6,300 7,800 12.7 2396 307---4 7,200 6,300 11,600 12.7 13.3 3496 209---4 9,100 7,700...
  • Page 32 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...
  • Page 33 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) 207---4 7,200 7,800 12.7...
  • Page 34 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 7,000/ 6,900 6,100/ 6,000 7,800/ 6,400 11.1/11.1 3.1/3.1 2.7/2.9 10.4/ 9.5 631/ 622 2393/1985 207---3...
  • Page 35 PERFORMANCE AND ELECTRICAL DATA MODEL 52CQ (265-1-60) CAPACITY* (Btuh) AMPS WATTS MODEL HEATER VOLT 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 36 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 2.7/2.9 10.4/ 9.5 631/ 622 2393/1985 307---3 7,000/ 6,900 11,600/ 9,700...
  • Page 37 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 8,900 7,800 10.7 2396 209---4 309---4 8,900 11,600...

  • Page 38: 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 39 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 — 350 CFM EVAP AIR — EWB (F) EVAP AIR —...

  • Page 40: Sound Data

    SOUND DATA (52P AND 52C) INDOOR 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 41: 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 42 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 43 52PE and 52CE — Typical Wiring Schematic for Standard Heat/Cool Units...
  • Page 44 WIRING DIAGRAMS (52P AND 52C) (cont) 52PE and 52CE — Typical Wiring Schematic for Wall Thermostat Control Heat/Cool Units...
  • Page 45 52PC — Typical Wiring Schematic for Standard Cooling Only Units...
  • Page 46 WIRING DIAGRAMS (52P AND 52C) (cont) 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 —...
  • Page 47 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 back to the same breaker box. UNIT 3 NOTES: 1. Do not daisy chain R (24 VAC). 2.

  • Page 48: Guide Specifications

    6,000 to 13,400 Btuh Heat Pump lubricated, and multiple speed. 6,400 to 17,000 Btuh Electric G. Condenser Coil Shroud: Carrier Model Numbers: The condenser coil shroud shall be two pieces, 52PC Premier Series, Cooling Only secured by captured screws, to allow easy access to...
  • Page 49 Contact the condenser coil to be evaporated. your local Carrier Sales Office for amending O. Fresh Air Vent: specifications. The fresh air vent shall be operated by a concealed 1.

  • Page 50: Typical Warranty

    TYPICAL WARRANTY...

  • Page 52: Accessory List

    Lateral air deflector, with individually adjustable louvers, to enhance air circulation, 1 per pack Deflector 52C,P-21SI CURTDFL-52CP-1PK Curtain deflector for 52C and 52P models — prevents curtains from blowing into discharge air stream. 1 per pack. NOTE: Curtain deflector for previous models are also available. Contact Carrier Representative. *Custom colors are also available.

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52c

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