Hvac Contactor Wiring Diagram For Compressor. Replace contactor relay diagnosis repair control circuit board ac the air conditioner or heat pump compressor unit is basically a high pressure anon 62822 i have a pretty old tappan unit. These voltages must be electrically isolated from the standard 120 volts ac.
Compressor wiring diagrams with motor winding connec fig. Air conditioner compressor contactor diagram. Voltmeter connection diagram for acdc.
Haier indoor pcb wiring diagram.
3 phase 4 ton outdoor electric wiring without lockout relay all connections compressor fan motor 3 phase magnetic contactor and compressor heater. The motor is 3 phase and it appears to be wired according to the diagram for the low voltage 220. This diagram is to be used as reference for the low voltage control wiring of your heating and ac system. Compressor contactors are needed for heavy duty switching where the amperage is higher than normal.