User ManualTable of ContentsIMPORTANT INFORMATION4PRODUCT IDENTIFICATION - *PH15**M4*6ACCESSORIES7GPGHFR101-1038GPH13MFR FILTER RACK9PGMDD101-103 DOWNFLOW MANUAL FRESH AIR DAMPERS10PGMDMD102-103 DOWNFLOW MOTORIZED FRESH AIR DAMPERS10PGMDH102-103 HORIZONTAL MANUAL FRESH AIR DAMPERS10PGMDH102-103 HORIZONTAL MOTORIZED FRESH AIR DAMPERS10SQRPG101-103 SQUARE TO ROUND CONVERTER, DOWNFLOW11SQRPGH101-103 SQUARE TO ROUND CONVERTER, HORIZONTAL11GPH13MED103 DOWNFLOW ECONOMIZER12PGEH102-103 HORIZONTAL ECONOMIZER12PGC101-103 ROOF CURBS13PRODUCT DESIGN13LOCATION AND CLEARANCES13COMPRESSEOR14INDOOR BLOWER MOTOR14ELECTRICAL WIRING15LINE VOLTAGE WIRING15SYSTEM OPERATION16COOLING16COOLING CYCLE16HEATING CYCLE16DEFROST CYCLE17FAN OPERATION17AIRFLOW ADJUSTMENTS FOR INDOOR BLOWER MOTOR17SCHEDULED MAINTENANCE20ONCE A MONTH20ONCE A YEAR20TEST EQUIPMENT20SERVICING22COOLING /HEAT PUMP- SERVICE ANALYSIS GUIDE21S-1 CHECKING VOLTAGE22S-2 CHECKING WIRING23S-3 CHECKING THERMOSTAT, WIRING, AND ANTICIPATOR23S-3A Thermostat and Wiring23S-3B Cooling Anticipator23S-3C Heating Anticipator23S-4 CHECKING TRANSFORMER AND CONTROL CIRCUIT24S-7 CHECKING CONTACTOR AND/OR RELAYS24S-8 CHECKING CONTACTOR CONTACTS24S-11 CHECKING LOSS OF CHARGE PROTECTOR25S-15 CHECKING CAPACITOR25S-15A Resistance Check26S-15B Capacitance Check26S-16 CHECKING MOTORS27S-16B Checking Fan & Blower Motor (ECM Motors)27S-16C Checking ECM Motor Windings30S-16D Checking GEX13™ Motors30S-17 CHECKING COMPRESSOR WINDINGS31S-17A Resistance Test31S-17B Ground Test31S-17C Unloader Test Procedure32S-17D Operation Test32S-18 TESTING CRANKCASE HEATER33S-21 CHECKING REVERSING VALVE AND SOLENOID33S-24 TESTING DEFROST CONTROL33S-25 TESTING DEFROST THERMOSTAT33S-50 CHECKING HEATER LIMIT CONTROL(S)33S-52 CHECKING HEATER ELEMENTS33S-100 REFRIGERATION REPAIR PRACTICE34S-101 LEAK TESTING (NITROGEN OR NITROGEN-TRACED)34S-102 EVACUATION34S-103 CHARGING35S-104 CHECKING COMPRESSOR EFFICIENCY36S-105 THERMOSTATIC EXPANSION VALVE36S-106 OVERFEEDING37S-107 UNDERFEEDING37S-108 SUPERHEAT37S-109 CHECKING SUBCOOLING38S-110 CHECKING EXPANSION VALVE OPERATION41S-112 CHECKING RESTRICTED LIQUID LINE41S-113 REFRIGERANT OVERCHARGE41S-114 NON-CONDENSABLES41S-115 COMPRESSOR BURNOUT41S-122 REVERSING VALVE REPLACEMENT42S-200 CHECKING EXTERNAL STATIC PRESSURE43S-201 CHECKING TEMPERATURE RISE43WIRING DIAGRAMS44OT18-60A OUTDOOR THERMOSTAT44OT18-60A OUTDOOR THERMOSTAT45HKR** HEAT KITS46GPH13MED ECONOMIZER FOR GPH15**M4*47Size: 1.47 MBPages: 47Language: EnglishOpen manual