Replace Air Conditioner Compressor Contactor

Learn how a contactor works how to check it and repair or replace it if needed.

Replace air conditioner compressor contactor.

Replace the ac contactor. Replacing the air conditioning unit s contactor is a practical way to repair this issue. An ac contactor is a 25 mechanical relay that uses low voltage power from the thermostat to switch 220 volt high amperage current to the compressor and condenser fan. Ac contactors can wear out and are at the top of the list of common air conditioning service failures.

In the same way a contactor either blocks or allows the flow of electricity to your air conditioner s condenser compressor and motors. 1 turn off the circuit breaker that supplies electricity to the air conditioning system at the main. A brief demonstration of how to replace an air conditioner contactor relay. A telltale sign that one or both of these components has failed is when your air conditioning system s fan runs normally but the air is not heating or cooling.

The contactor is the part of the air conditioner that controls the flow of electricity into the unit. By the same token every time you turn on the air conditioner the contactor is lowered allowing electricity to power the system. Dual run round capacitor 35 5 uf mfd 370 volt or 440 volt capacitor replace z97f9834 for air conditioner c140a 24v coil contactor single pole contactor air conditioner contactor 5 0 out of 5 stars 3 10 99 10. When your air conditioner is off the contactors are up and they block electricity from reaching your system s major components.

Visit our website to learn more about fixing your own air condition. The capacitor and contactor work together in your air conditioner or heat pump to help power the fan and compressor. The most likely cause is either a failed capacitor or contactor. The contactor is a fairly simple part of your air conditioner and is really quite easy to repair or replace if it s your problem.

We include the price of the parts the estimated repair time and the cost for part installation.