Ac Fan Motor Capacitor Wiring

Push the wire with the one single pin terminal onto the start terminal of the air conditioning compressor. Remove the old starting relay leaving the old overload protection in place. See the wiring diagram above.

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The relay disconnects the start capacitor from the motor s electrical circuit once the motor has reached operational speed.

Ac fan motor capacitor wiring. Remove the condenser s electrical service box cover with the correct screwdriver usually a quarter inch or. How to wire a compressor fan motor capacitor step 1. Push the other wire with the pin terminal onto the run terminal of the air conditioning compressor. The start capacitor gives the motor s windings an electric boost during the start up phase.

The wiring for the ac condenser fan motor will likely have the black wire noted in the wiring diagram go directly to the compressor contactor. Furthermore the heat pump condenser fan motor will not. The wiring for the heat pump condenser fan motor will be slightly different. Large electric motors with a high starting torque like an air conditioner s compressor motor often use a start capacitor kit.

A start capacitor kit contains a start capacitor relay and wires. Set the thermostat s function switch to the off position and turn off the condensing unit s circuit breaker.