Carrier 52S Architects And Engineers' Manual
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Carrier 52S Architects And Engineers' Manual

Packaged terminal air conditioners and heat pumps
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ARCHITECTS AND ENGINEERS' MANUAL
MODEL 52S
PACKAGED TERMINAL
AIR CONDITIONERS
AND HEAT PUMPS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
New Construction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Retrofit/Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Quiet Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Most Efficient Performance . . . . . . . . . . . . . . . . . . . . . . 4
Efficient Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
One-Piece Washable Indoor Filter . . . . . . . . . . . . . . . . . 5
Easy-to-Use Controls . . . . . . . . . . . . . . . . . . . . . . . . . 6
Washable Vent Air Filter . . . . . . . . . . . . . . . . . . . . . . . . 6
Bi-Directional Discharge Grille . . . . . . . . . . . . . . . . . . . 6
Easy Access to Chassis. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Hidden Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Enhanced Copper Tubing . . . . . . . . . . . . . . . . . . . . . . . . 8
Seamless Basepan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
October 2000
CONTENTS
Page
. . . . . . . . . . . . . . . . . . . . . . . 3
. . . . 4-10
Copyright  Carrier Corporation
Condensate Drain Valve. . . . . . . . . . . . . . . . . . . . . . . . . 8
Condensate Removal System. . . . . . . . . . . . . . . . . . . . . 8
Carrier Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Heat Pumps Pay Their Own Way. . . . . . . . . . . . . . . . . . 9
Heat Pump Energy Savings . . . . . . . . . . . . . . . . . . . . . 10
. . . . . . . . . . . . . . . . . . . . . . . . 11-20
Product Catalog Number . . . . . . . . . . . . . . . . . . . . . . . 11
Factory-Installed Options. . . . . . . . . . . . . . . . . . . . . . . 12
Field-Installed Accessories . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . 21-26
. . . . . . . . . . . . . . . . . . . . . . . . . 27-35
. . . . . . . . . . . . . . . . . . . . . 36-40
. . . . . . . . . . . . . . . . . . . . . . . . . . 45
STANDARD COLORS
. . . . . . . . . . . Inside Back Cover
Page
. . . . . . . . . . . . . . . . .41,42
. . . . . . . . . . . . . . . . . . . .43,44
Cat. No. 592-074

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Summary of Contents for Carrier 52S

  • Page 1: Table Of Contents

    New Construction......2 Carrier Warranty....... 8 Retrofit/Replacement .

  • Page 2: Applications

    • Offices • Home conversions and residential add-ons NEW CONSTRUCTION The Carrier 52S unit is designed to meet the needs of the architect, engineer, and contractor. For unit instal- lation, Carrier’s expert support network will assist in all applicable aspects of the construction project, from preparing a budget to start-up.

  • Page 3: Product Overview

    PRODUCT OVERVIEW This section summarizes product features covered in detail in later sections: Polymer Sleeve — Designed for rugged duty, acoustic absorption, and attractive appearance for years to come. Rotary Compressors — Provide quiet, reli- able operation. Copper Tube Fin Coils — Enhanced coils provide durability, high performance, and ease of operation.

  • Page 4: Product Features And Benefits

    The propeller- type fan and stator design allow efficient low-speed operation. The Quiet is engineered into every 52S Unit. MOST EFFICIENT PERFORMANCE High EERs provide excellent operating economy. The...

  • Page 5: No Rust Weather Last™ Wall Sleeve And Front Panel

    NO-RUST WEATHER LAST™ WALL SLEEVE AND FRONT PANEL The indoor front panel and 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’...

  • Page 6: Durable Control Panel Door And Easy-To-Use Controls

    The door is sloped to discourage use as a shelf. Easily accessible from the 52S Cooling/Heating Unit Control Panel room side, the control buttons and thermostat are clearly marked and simple to use.

  • Page 7: Easy Access To Chassis

    EASY ACCESS TO CHASSIS Access to the chassis simply requires removing four screws and then sliding the chassis out of the sleeve for service. Once the power is turned off, connectors can be separated on hard-wire units, or the power cord can be disconnected on cord-connected units.

  • Page 8: Enhanced Copper Tubing

    CONDENSATE REMOVAL SYSTEM CARRIER WARRANTY Carrier’s 52S Series units have a slinger ring around the outside of the outdoor fan propeller. Condensate Carrier’s full one-year warranty is the most compre- (water) in the unit basepan is picked up by the slinger hensive in the industry.

  • Page 9: Heat Pumps Pay Their Own Way

    How The Heat Pump Works In Hot Weather: In Cool Weather: In Sub-Freezing Weather: Carrier’s Series 52S series units When the outdoor temperature is When the outdoor temperature above 25 F, the heat pump draws provide indoor comfort in the...

  • Page 10: Heat Pump Energy Savings

    Btuh Cooling Capacity column. Exact ZONE II 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 14000 BTUH $110 COOLING...

  • Page 11: Ordering Data

    ORDERING DATA For immediate assistance, call 1-800-827-7435. Standard 52S Unit • Chassis with front panel • Electro-mechanical pushbutton control • Cord-connected chassis for 230/208V units • 265V cord or hard-wired accessory kit (must be ordered separately) Lead-time: Most 230/208V models are in stock; call for lead-times for other models.

  • Page 12: Factory-Installed Options

    ORDERING DATA (cont) FACTORY-INSTALLED OPTIONS Wall Thermostat Control (RC) Carrier’s wall thermostat control option includes: • a standard chassis with front panel • factory-installed low voltage controls for remote thermostat operation A wall thermostat must be ordered separately. NOTE: A heat/cool or heat pump thermostat is avail- able for each application.

  • Page 13: Field-Installed Accessories

    Carrier chassis. However, an accessory Retrofit Kit the wall is less than 2 in. thick, an accessory sub- may be ordered when fitting a new 52S unit into an base must be used for support. Refer to the descrip- existing sleeve. See Accessory Retrofit Kit for GE...
  • Page 14 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. Standard Grille Sleeve Insulation Kit Part No.: INSULATION-KIT...
  • Page 15 Outdoor Grille Selection Carrier recommends only the use of Carrier-supplied grilles for use on the 52S 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...
  • Page 16 Air Deflector Part No.: DEFLECTOR-4PK Carrier’s exclusive lateral air deflector allows dis- charge air to be directed toward any location in a room. This field-installed accessory is equipped with independently adjustable louvers to enhance air circu- lation.
  • Page 17 6 inches. 4. You must provide for return air from the adjoining room. 5. Carrier 52S units are not qualified for use with any other ducting scheme. See page 22 for more information.

  • Page 18: Programmable Thermostat

    Replacement Filters Part No.: AIR-FILTER-25PK The Carrier 52S model replacement air filters come in packages of 25. The filters save energy by preventing the evaporator coils from being plugged with dirt and lint. These economical and sturdy mesh filters may be washed, vacuumed, and reused.
  • Page 19 This kit contains the items that allow owners to install IMPORTANT: The foam baffles must make a good a 52S chassis into a plastic or metal GE sleeve so that there is no air leakage or damage to 52S unit compo- seal between the grille and outdoor coil.
  • Page 20 This kit contains the items that allow owners to install sheets. Improper installation of the foam baffles or a 52S chassis into an Amana or Trane sleeve so that neglecting to install them can result in condenser (out- there is no air leakage or damage to 52S unit compo- door) air recirculation.

  • Page 21: Dimension Drawings And Installation Data - New Construction

    Installed wall sleeve must be level from side to side and front to back. 2. Wall thermostat control models (52S series ‘‘RC’’ units) NOTES: use low voltage connections (24 volt) qualified with a 1. Sleeve can be flush mounted to floor, but front panel manual changeover thermostat.

  • Page 22: Dimension Drawings And

    DATA — NEW CONSTRUCTION (cont) MINIMUM CLEARANCE FOR OUTDOOR DISCHARGE AIR 36" MINIMUM DISTANCE FROM SLEEVE TO BUILDING WALLS, SHRUBS, WALKWAY, etc. 52S Outdoor Discharge Air Circulation Blocking outdoor discharge air could cause prema- ture failure of unit. TYPICAL LATERAL DUCT INSTALLATION ACCESSORY LATERAL...
  • Page 23 WALL SLEEVE MOUNTING DIMENSIONS FOR STANDARD AND ACCESSORY GRILLES Wall Sleeve Minimum Wall Sleeve Opening Wall Sleeve Mounting...

  • Page 24: Dimension Drawings And

    DIMENSION DRAWINGS AND INSTALLATION DATA — NEW CONSTRUCTION (cont) 52S WITH SUBBASE SUBBASE COVER 14 7/8” 3 3/4” 8 1/2” 10 3/8” 3 1/8” (5) 7/8” DIA. KNOCKOUTS (5) 1 1/8” DIA. KNOCKOUTS 4 3/4” NOTES: 1. For all applications with an accessory subbase: •...
  • Page 25 TYPICAL WALL AND DEEP 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 26: Dimension Drawings And

    DIMENSION DRAWINGS AND INSTALLATION DATA — NEW CONSTRUCTION (cont) NOTES: 1. Unit sleeve and sleeve extension (field fabricated) should be connected before installing in wall opening. 2. Sleeve extension is water bearing. It must be watertight when installed against unit sleeve. Use quality grade sealant on all butting flanges.

  • Page 27: Product Data

    PRODUCT DATA PERFORMANCE AND ELECTRICAL DATA MODEL 52SQ (230/208 V) CAPACITY* (Btuh) AMPS WATTS VOLTAGE MODEL HEATER Heating COP† RANGE NUMBER Cooling Cooling Heating** Cooling Heating (Volts) Rev. Cyc. Electric 52SQD207---3 7,100/ 6,900 6,100/ 6,000 7,800/ 6,400 10.5/10.5 3.1/3.1 2.9/3.1 10.6/ 9.6 675/ 655 2440/2040 253-198...
  • Page 28 PRODUCT DATA (cont) PERFORMANCE AND ELECTRICAL DATA MODEL 52SQ (265 V) CAPACITY* (Btuh) AMPS WATTS MODEL HEATER VOLT Heating COP† NUMBER RANGE Cooling Cooling Heating** Cooling Heating Rev. Cycle Electric 52SQD207---4 7,100 6,000 7,800 10.5 2435 52SQD307---4 7,100 6,000 11,600 10.5 13.4 3535...
  • Page 29 PERFORMANCE AND ELECTRICAL DATA MODEL 52SE (230/208 V) CAPACITY* (Btuh) AMPS WATTS MODEL HEATER VOLTAGE NUMBER RANGE Cooling Heating Cooling Heating† Cooling Heating 52SEE207---3 7,100/ 7,000 7,800/ 6,400 11.0/11.1 2.8/3.0 10.6/ 9.6 645/ 628 2440/2040 253-198 52SEE307---3 7,100/ 7,000 11,600/ 9,500 11.0/11.1 2.8/3.0 15.4/14.2 645/ 628 3540/2990...
  • Page 30 PRODUCT DATA (cont) PERFORMANCE AND ELECTRICAL DATA MODEL 52SE (265 V) CAPACITY* (Btuh) MODEL HEATER VOLT COOLING HEATING† COOLING HEATING NUMBER RANGE (Amps) (Amps) (Watts) (Watts) Cooling Heating 52SED207---4 7,100 7,800 11.0 2435 52SED307---4 7,100 11,600 11.0 13.4 3535 52SEE209---4 9,100 7,800 2435...
  • Page 31 PERFORMANCE AND ELECTRICAL DATA MODEL 52SC (230/208 V) COOLING POWER MODEL VOLT AMPS WATTS CAPACITY* FACTOR RANGE COOLING COOLING (Btuh) 52SCD007---3 7,100/ 7,000 11.0/11.1 253-198 2.8/3.0 645/ 628 52SCE009---3 9,100/ 9,100 9.3/ 9.3 4.4/4.6 979/ 979 253-187 52SCD012---3 11,800/11,600 9.0/ 9.0 5.9/6.3 1,310/1,288 52SCC014---3...
  • Page 32 PRODUCT DATA (cont) PERFORMANCE AND ELECTRICAL DATA MODEL 52SC (265 V) COOLING POWER MODEL VOLT AMPS WATTS CAPACITY* FACTOR RANGE COOLING COOLING (Btuh) 52SCD007---4 7,100 11.0 52SCE009---4 9,100 292-239 52SCD012---4 12,000 1,304 52SCC014---4 13,700 1,522 FAN MOTOR MODEL Full Load Indoor CFM Horsepower Amps...
  • Page 33 EXPANDED RATINGS DATA COOLING PERFORMANCE — 52SC, SE, SQ 7000 AND 9000 BTU MODELS (230 AND 265 V) ALL 7000 NOMINAL BTUH MODELS ALL 9000 NOMINAL BTUH MODELS Evaporator entering air temp. — 80 F Evap. air — 280 CFM Evaporator entering air temp.
  • Page 34 PRODUCT DATA (cont) EXPANDED RATINGS DATA (cont) HEAT PUMP HEATING PERFORMANCE* MODEL 52SQ (230V) OUTDOOR TEMP 7000 Nominal Btuh 9000 Nominal Btuh Btuh Amps Watts Btuh Amps Watts 9,290 11,300 1,040 8,510 10,700 1,000 7,960 9,860 7,280 9,130 6,790 8,320 6,100 8,000 (RATING POINT)
  • Page 35 INDOOR SOUND DATA The table below indicates the approximate indoor sound level of a 52S unit. 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 36: Wiring Diagrams

    WIRING DIAGRAMS LEGEND — Capacitor SLS — Secondary Limit Switch COMP — Compressor — Start Thermistor — Fan Cycle Switch — Switch — Fan Motor Component Connection (Marked) — Heater — Indoor Thermostat Component Connection (Unmarked) — Power Supply Line —...
  • Page 37 LEGEND — Capacitor — Plug Component Connection COMP — Compressor — Primary Limit Switch (Unmarked) — Cooling Relay — Reversing Valve Relay EQUIP — Equipment Ground — Reversing Valve Solenoid Terminal Board Connection — Secondary Limit Switch — Fan Motor —...
  • Page 38 WIRING DIAGRAMS (cont) LEGEND — Capacitor — Start Thermistor COMP — Compressor — Switch — Fan Cycle Switch Component Connection (Marked) — Fan Motor — Heater Component Connection (Unmarked) — Indoor Thermostat — Power Supply Line Accessory or Optional Wiring —...
  • Page 39 LEGEND — Capacitor — Secondary Limit Switch Terminal Board Connection COMP — Compressor — Speed Selector Switch — Cooling Relay — Start Thermistor Field Ground Wiring — Equipment Ground EQUIP — Terminal Board Field Control Wiring TRANS — Transformer — Fan Motor Accessory or Optional Wiri Component Connection —...
  • Page 40 WIRING DIAGRAMS (cont) FRONT DESK SWITCH PANEL ROOM 100 ROOM 101 ROOM N 24-V TRANSFORMER (SEE NOTE) PTAC #1 PTAC #2 PTAC #N LEGEND AWG — American Wire Gage PTAC — Packaged Terminal Air Conditioner 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 41: Guide Specifications

    6,100 to 11,000 Btuh Heat Pump All piping, compressor, and expansion devices shall 6,400 to 17,000 Btuh Electric be included. Carrier Model Numbers: 52SC Cooling G. Controls and Safeties: Only Unit 1. Controls shall consist of pushbutton OFF/ 52SE Unit with...
  • Page 42 Certain standard features are not applicable when 7. Subbase the features designated are specified. Contact 8. Wall sleeve (UL94-5V rated) your local Carrier Sales Office for amending 9. Lateral duct kit specifications. 10. Energy management accessory kit 1. Factory-installed electric heater for use with 11.

  • Page 43: Typical Warranty

    TYPICAL WARRANTY...
  • Page 44 TYPICAL WARRANTY (cont)

  • Page 45: Literature List

    LITERATURE LIST FORM NO. CATALOG NO. Warranty certificate 530-105 Installation/Installation, Operating 52S-63SI 535-20014 and Maintenance Instructions Lateral Duct Kit, P/N LAT-DUCT-PLENUM 52S-42SI 535-221 P/N EXTENSION-DUCT 265-V Cord-Connected Kit, 52S-38SI 535-217 P/N’s PLUG-265V-15AMP, PLUG-265V-20AMP, PLUG-265V-30AMP Drain Kit, P/N DRAIN-KIT-4PK 52S-53SI 535-20005...

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