Air Conditioner Contactor Wiring Diagram. Red Wire for Air Conditioner Control Power Hot. Step 3 Examine and understand the condensing units wiring diagram usually located on the inside of the service boxs cover.
Air Conditioning AC Contactor Control Board 1 This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Collection of ac contactor wiring diagram. NOTE Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.
W Terminal to the White Wire.
Always refer to your thermostat or equipment installation guides to verify proper wiring. If you where not in class this may be confusing. Wiring an air conditioner condenser requires both high voltage and low voltage connections and is a job best left to a professional. NOTE Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.