Carrier Owners Manual - 1 of 4
Carrier Owners Manual - 2 of 4
Carrier Owners Manual - 3 of 4
Carrier Owners Manual - 4 of 4
From inside (document excerpt):
25HCB3 Comfortt Series Heat Pump with Puronr Refrigerant 1 1/2 To 5 Nominal Tons Wiring Diagrams CONNECTION DIAGRAM *CHS BLK or RED RED THIS DEFROST CONTROL BOARD CONTAINS A FIVE MINUTE SHORT CYCLE PROTECTOR.
A FIVE MINUTE DELAY WILL OCCUR BETWEEN COMPRESSOR OFF/ON CYCLES. -LEGENDFACTORY POWER WIRING FIELD POWER WIRING FACTORY CONTROL WIRING FIELD CONTROL WIRING CONDUCTOR ON CIRCUIT BOARD COMPONENT CONNECTION 1/4 – INCH QUICK CONNECT TERMINALS FIELD SPLICE JUNCTION PLUG RECEPTACLE AUXILLARY HEAT RELAY CAPACITOR (DUAL RUN) CRANKCASE HEATER CRANKCASE HEATER SWITCH COMPRESSOR COMPRESSOR TIME DELAY CONTACTOR CIRCUIT BOARD DEFROST THERMOSTAT DEFROST RELAY AND CIRCUITRY DISCHARGE TEMPERATURE SWITCH HIGH PRESSURE SWITCH LOW PRESSURE SWITCH OUTDOOR FAN MOTOR REVERSING VALVE SOLENOID REVERSING VALVE SOLENOID RELAY START CAPACITOR START RELAY START THERMISTOR G INDOOR THERMOSTAT (NOTE #5) NOTES: COMPRESSOR AND FAN MOTOR FURNISHED WITH INHERENT THERMAL PROTECTION. TO BE WIRED IN ACCORDANCE WITH NATIONAL ELECTRIC CODE (N.E.C.) AND LOCAL CODES. N.E.C. CLASS 2, 24 V CIRCUIT