Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 52S manual

Models: 52S

1 56

Download 56 pages 47.31 Kb

Page 55

Manual background

				LEGEND
	CAP	Ð Capacitor	OL	Ð Overload	Component Connection (Marked)
	COMP	Ð Compressor	PL	Ð Plug
	CR	Ð Cooling Relay	PLS	Ð Primary Limit Switch	Component Connection (Unmarked)
	EQUIP GND Ð Equipment Ground		RVR	Ð Reversing Valve Relay
	FM	Ð Fan Motor	RVS	Ð Reversing Valve Solenoid	Terminal Board Connection
	FR	Ð Fan Relay	SLS	Ð Secondary Limit Switch	Field Control Wiring
	HR	Ð Heating Relay	SSS	Ð Speed Selector Switch	Field Control Wiring
	HR	Ð Heating Relay	SSS	Ð Speed Selector Switch	Accessory or Optional Wiring
	IFT	Ð Indoor Frost Thermostat	ST	Ð Start Thermistor	Accessory or Optional Wiring
	L	Ð Power Supply Line	TB	Ð Terminal Board	Factory Wiring
	OFT	Ð Outdoor Frost Thermostat	TRANS Ð Transformer		To Indicate Common Potential Only.
					Not to Represent Wire

NOTES:

1.Recommended for use on grounded power supply only.

2.Compressor and fan motor thermally protected.

3.Use copper conductors only.

4.All wiring must conform with NEC (National Electrical Code) and lo- cal codes.

5.Dashed lines indicate components when used.

6.Control center use thermostat part no. HH01AD045 or equivalent.

7.Field control wire suitable for NEC class 2 control circuit, at 24 volts.

FIGURE 87 Ð WIRING SCHEMATIC; 52SQ Ð 208/230 V AND 265 V RC UNITS

55

Image 55

Carrier 52S manual

Contents

PACKAGED TERMINAL AIR CONDITIONERS AND HEAT PUMPS CONTENTS52S SERIES SERVICE TECHNICIAN GUIDE52S SERIES INTRODUCTIONSUMMARY OF DANGERS, WARNINGS, AND CAUTIONS FIGURE 1 Ð REMOVING FRONT PANELFIGURE 3 Ð SAMPLE DATA INFORMATION PLATE FIGURE 2 Ð MODEL NUMBER NOMENCLATURETO REMOVE THE UNIT FROM THE WALL SLEEVE GENERAL DISASSEMBLYTO DISCONNECT POWER FOR CORD- CONNECTED UNIT TO OPEN THE CONTROL BOXFIGURE 7 Ð DUCT EXTENSION SCREWS WITH THE LATERAL DUCT ACCESSORY PACKAGETO REMOVE THE LATERAL DUCT EXTENSION, FOR UNITS EQUIPPEDDISASSEMBLING THE LATERAL DUCT TO ACCESS INDOOR-AIRSECTION COMPONENTSLATERAL DUCT ACCESSORY PACKAGE FIGURE 11 Ð DISCHARGE PLENUM ASSEMBLYFIGURE 15 Ð ALUMINUM TOP PANEL TO REMOVE THE AIR DISCHARGE GRILLEFIGURE 14 Ð REMOVING AIR DISCHARGE GRILLE TO REMOVE THE ALUMINUM TOP PANELFIGURE 17 Ð DISCHARGE DECK REMOVAL TO ACCESS OUTDOOR-AIRSECTION COMPONENTSTO REMOVE THE DISCHARGE DECK TO REMOVE THE GUSSETSTATOR CONDENSER ORIFICE CONDENSER COIL FIGURE 20 Ð REMOVING STATORFIGURE 21 Ð FRONT PANEL, CHASSIS, AND SLEEVE GENERAL CLEANINGCLEANING AND SAFETY COMPONENT CLEANING SCHEDULETOOLS NEEDED MONTHLY CLEANINGCLEANING THE INDOOR AIR FILTER Ð Remove REPLACING THE INDOOR AIR FILTER Ð AccessCHASSIS CLEANING THE VENT AIR FILTERFIGURE 23 Ð ACCESSING VENT AIR FILTER REPLACING THE VENT AIR FILTERFIGURE 25 Ð SIDE ANGLE SCREWS SEASONAL CLEANINGACCESSING THE INDOOR AND OUTDOOR 1.DISCONNECT ALL POWER TO UNITSection Components on page CLEANING THE INDOOR AND OUTDOOR COILSCoils section ACCESSING THE INDOOR FAN AND INDOOR FIGURE 28 Ð CLEANING THE COILSCLEANING THE HEATER ASSEMBLY Ð Once the CLEANING THE INDOOR FAN AND FANACCESSING THE HEATER ASSEMBLY Ð To access 1.DISCONNECT ALL POWER TO THE UNITFIGURE 32 Ð ROTARY COMPRESSOR COMPONENTS COMPRESSOR52S SERIES 1.DISCONNECT ALL POWER TO THE UNIT COMPRESSOR TROUBLESHOOTINGBASIC HERMETIC COMPRESSOR ELECTRICAL MEASUREMENTS FIGURE 33 Ð ROTARY COMPRESSOR COMPRESSION PROCESS52S SERIES SYMPTOMFIGURE 35 Ð SHORTED/OPEN WINDINGS TEST COMPRESSOR REPLACEMENTFIGURE 36 Ð GROUNDED WINDINGS TEST FIGURE 38 Ð TUBE INSERTED STRAINER 1.Disconnect all power to unitREMOVING THE COMPRESSOR Ð Follow the steps FIGURE 37 Ð STRAINER AND LIQUID TUBEREFRIGERANT CHARGING Ð Every mechanical FIGURE 39 Ð INSTALLED FILTER DRIERFIGURE 40 Ð SUCTION LINE FILTER DRIER FIGURE 41 Ð LIMIT SWITCH LOCATION Consider the following safety issuesPower Assembly 1.DISCONNECT ALL POWER TO UNITFIGURE 43 Ð HEATER REMOVED FIGURE 42 Ð REMOVING HEATER SCREWSFIGURE 44 Ð ACCEPTABLE HEATER RESISTANCE VALUES FIGURE 47 Ð PROGRAMMABLE THERMOSTAT OPERATING CONTROLSFIGURE 45 Ð TYPICAL 52S UNIT OPERATING CONTROLS FIGURE 46 Ð MANUAL THERMOSTATOUTSIDE OR VENT AIR Ð Push the FAN ONLY DESCRIPTION OF SWITCH SETTINGSNON-USERADJUSTABLE SWITCHES HIGH HEAT OR HIGH COOL Ð Push button andSEQUENCE OF OPERATION FIGURE 50 Ð SELECTOR SWITCH CONTACTSFIGURE 51 Ð SELECTOR SWITCH CONTACTS FIGURE 52 Ð SELECTOR SWITCH CONTACTSConsider the following safety issues COMPONENT OPERATION AND TROUBLESHOOTINGTOOLS NEEDED INDOOR THERMOSTAT Heat Pump UnitsLEGEND Figures OUTDOOR FROST THERMOSTAT Heat Pump UnitsFIGURE 55 Ð OUTDOOR FROST THERMOSTAT OFT CONTACTS, ALL 52SQ AA AND CP MODELSLOCKED OUT FIGURE 57 Ð FAN CYCLE SWITCH 3 TerminalFIGURE 56 Ð CAPACITOR TEST FIGURE 58 Ð ESCUTCHEON REMOVAL ELECTRICAL COMPONENTS REMOVAL AND REPLACEMENTFIGURE 59 Ð TEMPERATURE LIMITER FIGURE 60 Ð OUTDOOR FROST THERMOSTAT SCREWSIN OPEN CONTROL BOX FIGURE 61 Ð COMPONENT LOCATIONSFIGURE 62 Ð TWO-SPEED,PERMANENT FAN MOTOR TROUBLESHOOTINGFAN MOTOR BASIC FAN MOTOR ELECTRICAL TESTSFIGURE 64 Ð TYPICAL 52S FAN MOTORS FIGURE 63 Ð FAN MOTOR TROUBLESHOOTING CHARTTYPICAL 208/230 VOLT MOTORS TYPICAL 265 VOLT MOTORSFIGURE 66 Ð REMOVING OUTDOOR FAN FROM MOTOR SHAFT FAN MOTOR REPLACEMENTRemoval FIGURE 65 Ð SPRING CLIPSee Figures 67 - 82 for eld temperature data FIELD TEMPERATURE CHARTS52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES located next to the unit control box WIRING SCHEMATICSÐ Capacitor 52S SERIESPage Ð Capacitor 52S SERIESPage the outdoor coil, and by using an optional acces MOST FREQUENT PTAC SERVICE QUESTIONSNo, only for use on remote control RC models By using a slinger ring to evaporate the water on