Carrier Owners Manual - 1 of 2
Carrier Owners Manual - 2 of 2
From inside (document excerpt):
25HPA4 Performancet Series Heat Pump with Puronr Sizes 18 to 60 1 1/2 to 5 Nominal Tons Wiring Diagrams Fig. 1 Wiring Diagram — Model sizes 18 – 48, 208/230-1 NOTE: Must use Infinityt Control or thermostat listed in pre-sale literature. Fig. 2 Wiring Diagram — Model size 60, 208/230-1 NOTE: Must use Infinityt Control or thermostat listed in pre-sale literature. 2006 Carrier Corp. S 7310 W. Morris St.