From inside (document excerpt):
25HBC3 Baset Series Heat Pump with Puronr Refrigerant 1 1/2 To 5 Nominal Tons Wiring Diagrams CONNECTION DIAGRAM *CHS BLK
Heating, Ventilating and Air Conditioning User Manual Free Download. HAVC Operator’s Manual. Auto AC Free Instruction Manual Download PDF.
ACCELERATED TO 21 SEC. 60 MIN. ACCELERATED TO 14 SEC. 30 MIN. ACCELERATED TO 7 SEC. DEFROST CYCLE: 10 MIN. ACCELERATED TO 2 SEC. CONDENSING UNIT CHARGING INSTRUCTIONS For use with units using R-410A refrigerant TABLE I – SUPERHEAT CHARGING TABLE (SUPERHEAT ºF AT LOW-SIDE SERVICE PORT) EVAPORATOR ENTERING AIR º F WB. OUTDOOR TEMP ºF 50 52 54 56 58 60 62 64 67 68 70 72 74 76 C Y O W2 R E L W3 G C Y O W2 R E L INDOOR UNIT TERMINAL BLOCK G INDOOR THERMOSTAT (NOTE #5) -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 CAP *CH *CHS COMP CONT CB DFT DR JUNCTION CAPACITOR (DUAL RUN) CRANKCASE HEATER CRANKCASE HEATER SWITCH COMPRESSOR CONTACTOR CIRCUIT BOARD DEFROST THERMOSTAT DEFROST RELAY AND NOTES: 1. Compressor and fan motor furnished with inherent thermal protection. 2. To be wired in accordance with national electric code (N.E.C.) And local codes. 3. N.E.C. Class 2, 24 V circuit, min. 40 va required, 60va on units installed with LLS. 4. Use copper conductors only from disconnect to unit.