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ARCHITECTS AND ENGINEERS’ MANUAL

May 2002

Copyright 

 Carrier Corporation

Cat. No. 592-080

CONTENTS

Page

APPLICATIONS

 . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3,4

New Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Retrofit/Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Carrier Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Application Considerations  . . . . . . . . . . . . . . . . . . . . . . 4

PRODUCT OVERVIEW

. . . . . . . . . . . . . . . . . . . . . . . 5

PRODUCT FEATURES AND BENEFITS

. . . . 6-13

Quiet Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Most Efficient Performance . . . . . . . . . . . . . . . . . . . . . . 6
Efficient Fan Motor  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
No-Rust Weather Last™ Wall Sleeve and

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

Page

Seamless Basepan  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Condensate Drain Valve. . . . . . . . . . . . . . . . . . . . . . . . 11
Condensate Removal System. . . . . . . . . . . . . . . . . . . . 11
Heat Pumps Pay Their Own Way. . . . . . . . . . . . . . . . . 12
Heat Pump Energy Savings . . . . . . . . . . . . . . . . . . . . . 13

ORDERING DATA

. . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Product Catalog Number . . . . . . . . . . . . . . . . . . . . . . . 14

FACTORY-INSTALLED OPTIONS

 . . . . . . . . . . . 15

FIELD-INSTALLED ACCESSORIES

 . . . . . .  16-23

DIMENSION DRAWINGS AND
INSTALLATION DATA — NEW
CONSTRUCTION

. . . . . . . . . . . . . . . . . . . . . . . . .  24-29

PRODUCT DATA

 . . . . . . . . . . . . . . . . . . . . . . . . .  30-37

EXPANDED RATINGS DATA

. . . . . . . . . . . . . . .38,39

SOUND DATA

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

WIRING DIAGRAMS

. . . . . . . . . . . . . . . . . . . . .  41-47

GUIDE SPECIFICATIONS

 . . . . . . . . . . . . . . . . .48,49

TYPICAL WARRANTY

 . . . . . . . . . . . . . . . . . . . .50,51

ACCESSORY LIST

 . . . . . . . . . . . . . . . . . . . . . . . . . . 52

PREMIER SERIES 52P

COMFORT SERIES 52C

PACKAGED TERMINAL

AIR CONDITIONERS

AND HEAT PUMPS

For more information available on the internet, see the www.carrier.com or www.lodgingAC.com web sites.

Summary of Contents for COMFORT 52C SERIES

Page 1: ...d Condenser Shroud 9 Snow Baffle 9 Easy Access to Chassis 10 Hidden Controls 10 Enhanced Copper Tubing 11 Page Seamless Basepan 11 Condensate Drain Valve 11 Condensate Removal System 11 Heat Pumps Pay...

Page 2: ...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 5...

Page 3: ...Weather protected wall sleeve that goes in place during construction chassis that slides in place after construction No seasonal changeover required for cooling or heating units are self contained com...

Page 4: ...e down to the desired tem perature during very hot days The result could be warm and humid or warm and dry conditioned space Oversizing If a PTAC unit is oversized cooling capacity is greater than req...

Page 5: ...ration 2 Cycle fan ON and OFF with compressor operation Thermostat with Temperature Limiter Provides improved temperature control with a temperature limiter that allows tempera ture range restraints f...

Page 6: ...ign and its louvered front cover indoor scroll and blower and heavy gage unit partition Rotary compressors provide quiet reliable operation The indoor scroll provides a more uniform air discharge The...

Page 7: ...ves are available in a variety 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 noi...

Page 8: ...debris from entering the room side of the unit The vent mechanism is made from noncorro sive material ensuring reliable operation A magnet on the door and high pressure airflow create a tight draft fr...

Page 9: ...ser shroud provides easy access for service and maintenance of the condenser coil and related components SNOW BAFFLE The snow baffle is provided to keep snow from blow ing into the intake and landing...

Page 10: ...nt Outdoor Air Vent Control Control of the outdoor air vent is handled by a vent handle located under the front panel on the left side of the unit This handle rotates to manually open and close the ou...

Page 11: ...asepan and coils keeping coils from direct contact with the basepan and providing additional protection against corrosion CONDENSATE DRAIN VALVE The temperature activated drain valve opens when the ou...

Page 12: ...or both heating and cooling func tions and remains energized as long as the controls are in the heat position When the cooling controls are activated the valve automatically reverses to the cool ing p...

Page 13: ...0 59 9 105 25 10 127 64 10 08 69 48 10 132 74 7 138 74 8 170 18 8 10 87 66 8 166 96 5 174 62 6 211 64 6 12 103 69 7 200 15 4 209 30 5 255 27 5 14 121 86 6 233 33 4 243 98 4 297 82 4 16 140 03 5 266 52...

Page 14: ...60 Hz 4 265 v 60 Hz Cooling Capacity nominal 07 7 000 Btuh 09 9 000 Btuh 12 12 000 Btuh 15 15 000 Btuh 52 PE 3 12 3 AA Series Designation PTAC Packaged Terminal Air Conditioner Chassis Options AA Sta...

Page 15: ...t for heat pump applications NOTE Do not use a power stealing digital thermostat common must be connected for digital thermostats CORROSION PROTECTION CP RP To protect against the corrosive effects of...

Page 16: ...ws easy chassis removal and aids in drainage The sleeves are built with a pitch of 1 4 in per foot Wall sleeves must be installed level Overflow slots are in place to divert excess water during severe...

Page 17: ...rance of any building The grilles are made of strong durable extruded anodized alumi num and are designed to be mounted easily from inside the room These elegant grilles have baked enamel finishes ava...

Page 18: ...timately shorten the compressor life Hardwire Kit Part No HARDWIRE KIT 1PK This accessory hardwire kit provides a permanent con nection to the unit Electrical hard wiring is required when NEC National...

Page 19: ...box containing 19 in of flexible conduit for a perfect fit to the PTAC unit and all mat ing connections for easy assembly to PTAC units Knockouts are provided for power source connections Subbase Fus...

Page 20: ...only on wall thermostat con trol RC RP models Non Programmable Thermostat Part No TSTATCCBPC01 B for heat cool models Part No TSTATCCBPH01 B for heat pump models This low voltage easy to use non progr...

Page 21: ...ace Retrofit Kit allows PTAC units with standard unit mounted controls to be field converted for use with wall thermostat controls Thermostat Locking Cover Part No TSTAT COVER 6X7 Part No TSTAT COVER...

Page 22: ...ery room The amount of air that can be diverted to an adjoining room is adjustable from 20 to 30 percent The lateral duct kit consists of two main components the plenum and the extension duct The kit...

Page 23: ...rator coils from being plugged with dirt and lint These economical and sturdy filters are inter changeable and may be washed vacuumed and reused Energy Management Kit Part No EM KIT This field install...

Page 24: ...rails to level sleeve 5 If wall sleeve extends into the room more than 4 in an accessory subbase or field fabri cated front support should be used to prevent wall sleeve from tipping forward 6 For all...

Page 25: ...x 4 ON EDGE 42 16 24 26 28 Standard Polymer Non Insulated Wall Sleeve Standard Polymer Insulated Wall Sleeve Standard Metal Insulated Wall Sleeve Framing and Minimum Wall Sleeve Opening Wall Sleeve M...

Page 26: ...ay 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 For walls 2 in thick or less an accessory subbase mus...

Page 27: ...6 MINIMUM DISTANCE FROM SLEEVE TO BUILDING WALLS SHRUBS WALKWAY etc 15 MINIMUM DISTANCE FROM FRONT PANEL TO OBJECTS IN ROOM 52P and 52C Indoor and Outdoor Discharge Air Circulation Blocking indoor or...

Page 28: ...For all applications with an accessory lateral duct sleeve must extend into the room a minimum of 3 inches In applications where the sleeve will not extend a minimum of 3 in the lateral duct mounting...

Page 29: ...kness is less than 2 inches All 265 v cord connected applications 2 For all applications with an accessory subbase Wall sleeve must extend 4 in minimum into the room and 31 4 in minimum above the floo...

Page 30: ...5 3 15 6 14 5 1090 1122 3570 2997 512 3 12 100 12 000 11 000 11 000 17 000 13 600 5 0 11 1 10 7 3 2 3 2 4 8 5 3 22 5 20 0 1090 1122 5170 4147 215 3 14 500 14 000 13 400 13 200 7 800 6 400 2 3 9 4 9 5...

Page 31: ...000 5 0 11 1 3 2 4 2 19 6 1090 5170 215 4 14 500 13 400 7 800 2 3 9 4 2 9 6 0 9 7 1543 2517 315 4 14 500 13 400 11 600 3 4 9 4 2 9 6 0 13 8 1543 3617 515 4 14 500 13 400 17 000 5 0 9 4 2 9 6 0 19 9 1...

Page 32: ...3 15 6 14 5 1090 1122 3570 2997 512 3 12 100 12 000 17 000 13 600 5 0 11 1 10 7 4 8 5 3 22 5 20 0 1090 1122 5170 4147 215 3 14 500 14 000 7 800 6 400 2 3 9 4 9 5 6 8 7 6 10 9 10 0 1543 1473 2517 2117...

Page 33: ...4 2 19 6 1090 5170 215 4 14 500 7 800 2 3 9 4 6 0 9 7 1543 2517 315 4 14 500 11 600 3 4 9 4 6 0 13 8 1543 3617 515 4 14 500 17 000 5 0 9 4 6 0 19 9 1543 5217 MODEL NUMBER 52PE POWER FACTOR FAN MOTOR...

Page 34: ...5 2 15 6 14 5 1188 1178 3570 2997 512 3 12 000 11 900 10 800 10 700 17 000 13 600 5 0 10 1 10 1 3 0 3 0 4 7 5 2 22 5 20 0 1188 1178 5170 4147 215 3 14 500 14 000 13 400 13 200 7 800 6 400 2 3 9 4 9 5...

Page 35: ...000 5 0 10 1 3 0 4 5 19 6 1188 5170 215 4 14 500 13 400 7 800 2 3 9 4 2 9 6 0 9 7 1543 2517 315 4 14 500 13 400 11 600 3 4 9 4 2 9 6 0 13 8 1543 3617 515 4 14 500 13 400 17 000 5 0 9 4 2 9 6 0 19 9 1...

Page 36: ...0 11 900 17 000 13 600 5 0 10 1 10 1 5 2 5 6 22 5 20 0 1188 1178 5170 4147 215 3 14 500 14 000 7 800 6 400 2 3 9 4 9 5 6 8 7 6 10 9 10 0 1543 1473 2517 2117 315 3 14 500 14 000 11 600 9 700 3 4 9 4 9...

Page 37: ...9 4 6 0 9 7 1543 2517 315 4 14 500 11 600 3 4 9 4 6 0 13 8 1543 3617 515 4 14 500 17 000 5 0 9 4 6 0 19 9 1543 5217 MODEL NUMBER 52CE POWER FACTOR FAN MOTOR MAX FUSE SIZE Amps MIN CIRCUIT AMPS RECEP T...

Page 38: ...2 0 82 0 81 0 81 I 3 59 3 60 3 58 3 56 100 MBtuh 7 94 8 07 9 06 10 07 kW 0 85 0 85 0 85 0 85 I 3 74 3 74 3 74 3 72 105 MBtuh 7 75 7 84 8 83 9 80 kW 0 89 0 89 0 89 0 88 I 3 89 3 90 3 92 3 89 110 MBtuh...

Page 39: ...53 I 7 32 7 05 6 85 6 73 100 MBtuh 12 78 13 51 14 79 15 85 kW 1 74 1 68 1 63 1 60 I 7 63 7 37 7 16 7 03 105 MBtuh 12 51 13 03 14 39 15 48 kW 1 81 1 75 1 70 1 67 I 7 95 7 68 7 48 7 35 110 MBtuh 12 24 1...

Page 40: ...55 0 55 0 59 6 58 8 5 6 5 6 6 0 6 0 5 5 5 5 6 0 5 9 HIGH HEAT 208 58 5 59 2 64 1 65 0 57 7 59 5 64 1 63 7 5 9 5 9 6 4 6 5 5 8 6 0 6 4 6 4 230 59 4 59 7 65 4 65 0 58 5 60 3 64 6 63 7 5 9 6 0 6 5 6 5 5...

Page 41: ...Fan Cycle Switch HTR Heater IT Indoor Thermostat OFT Outdoor Frost Thermostat OL Overload PLS Primary Limit Switch RVS Reversing Valve Solenoid SLS Secondary Limit Switch ST Start Thermistor SW Switc...

Page 42: ...n IFT Indoor Frost Thermostat PCBD Printed Circuit Board Field Splice OFT Outdoor Frost Thermostat HR1 Heater Relay Field Control Wiring RVS Reversing Valve Solenoid HR2 Heater Relay Accessory or Opti...

Page 43: ...43 52PE and 52CE Typical Wiring Schematic for Standard Heat Cool Units...

Page 44: ...44 WIRING DIAGRAMS 52P AND 52C cont 52PE and 52CE Typical Wiring Schematic for Wall Thermostat Control Heat Cool Units...

Page 45: ...45 52PC Typical Wiring Schematic for Standard Cooling Only Units...

Page 46: ...e 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 Following are recommended wire sizes AWG WIRE SIZE NO M...

Page 47: ...al Wiring for Multiple PTAC Units Connected to a Single Wall Thermostat NOTES 1 Do not daisy chain R 24 VAC 2 Maximum of 4 PTAC units can be connected to one single wall thermostat All units must be c...

Page 48: ...r fan shall be a propeller type with corrosion resistant plastic finish discharging air out the rear of the unit Shall be dynamically balanced with an integrated slinger ring 3 Motor shall be totally...

Page 49: ...ll be provided for coastal or corrosive environments to prolong the life of the product Minimum requirements are 1 All outdoor exposed sheet metal parts shall be coated with a polyester powder coat pa...

Page 50: ...MS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING TIME PERIOD OF THIS WARRANTY C...

Page 51: ...51...

Page 52: ...Kit 20 amp for electrical subbase SUBBASE FUSE 30A Field Installed Fuse Kit 30 amp for electrical subbase Electrical Connections 52C P 11SI HARDWIRE KIT 1PK Permanent power connection to the unit inc...

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