Carrier Owners Manual - 1 of 2
Carrier Owners Manual - 2 of 2
From inside (document excerpt):
25HPA6 Performancet Series 2 Stage Heat Pump with Puronr Refrigerant 2 to 5 Nominal Tons Wiring Diagrams CONTROL BOARD CAPACITOR TRAN CONT RED RED RED BLU/PNK BLU/PNK -LEGENDFACTORY POWER WIRING FIELD POWER WIRING FACTORY CONTROL WIRING FIELD CONTROL WIRING COMPONENT CONNECTION JUNCTION FIELD SPLICE CAP CB CAPACITOR CONTROL BOARD CRANKCASE HEATER CCH CRANKCASE HEATER SWITCH CHS COMM SYSTEM COMMUNICATION COMP COMPRESSOR CONT CONTACTOR COMP HIGH CAP SOLENOID CS DISCHARGE TEMP SWITCH DTS HIGH PRESSURE SWITCH HPS LOW PRESSURE SWITCH LPS LIQUID SOLENOID LS * MAY BE FIELD INSTALLED OAT THERMISTOR (OUTDOOR AIR) OCT THERMISTOR COIL OFM OUTDOOR FAN MOTOR RVS REVERSING VALVE SOLENOID SC START CAPACITOR SEV SOLENOID EXPANSION VALVE SR START RELAY STATUS SYSTEM FUNCTION LIGHT TRAN TRANSFORMER * UC UTILITY CURTAILMENT COMPRESSOR FURNISHED WITH INHERENT THERMAL PROTECTION.
TO BE WIRED IN ACCORDANCE WITH NATIONAL ELECTRIC CODE (N.E.C.) AND LOCAL CODES. OUTDOOR UNIT CONTROL REQUIRES A MINIMUM OF 27 VA, 24 VAC CONTROL POWER. USE COPPER CONDUCTORS ONLY. USE CONDUCTORS SUITABLE FOR AT LEAST 70ºC (167ºF). IF INDOOR SECTION HAS A TRANSFORMER WITH A GROUNDED SECONDARY, CONNECT THE GROUNDED SIDE TO “C “. 6. IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED, MUST BE REPLACED, USE THE SAME OR EQUIVALENT WIRE. 7. CHECK ALL ELECTRICAL CONNECTIONS INSIDE CONTROL BOX FOR TIGHTNESS. 8. DO NOT ATTEMPT TO OPERATE UNIT UNTIL SERVICE VALVES HAVE BEEN OPENED (BACK SEATED).