Air Conditioning Contactor Wiring Diagram. The same thing happens for a heat with one other additional occurrence explained below. Typical wiring diagram for heat pump.
Typical wiring diagram for heat pump with reversing valve energized in cool transformer reversing valve b o rc jumper wire compressor contactor wire reversing valve is energized when the system switch is in the cool position fan relay y rh 24 vac 120 c hot neutral thermostat system g w figure 7. Main circuit wiring the vfd main circuit terminals shown as below figure. Normal ac induction motors.
Always refer to your thermostat or equipment installation guides to verify proper wiring.
Short or incorrect wiring will damage local and national electrical codes and ordinances. In rv air conditioners. Gasoilor electric heat with air conditioning warm airhot waterhigh efficiency furnacesheat pumpssteamgravi ty heat only two wire systems power to open and close zone valves series 20and normally open zone valves heat only with fan cool only 750 mv heating systems power options battery power only common wire only common wire with battery. Starting switch off during running ac 4.