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.
Replace air conditioner compressor contactor.
The capacitor and contactor work together in your air conditioner or heat pump to help power the fan and compressor.
Ac contactors can wear out and are at the top of the list of common air conditioning service failures.
When you turn off your ac the contactor goes up blocking power.
Replacing the air conditioning unit s contactor is a practical way to repair this issue.
When your air conditioner is off the contactors are up and they block electricity from reaching your system s major components.
Replace the ac contactor.
A brief demonstration of how to replace an air conditioner contactor relay.
Visit our website to learn more about fixing your own air condition.
1 turn off the circuit breaker that supplies electricity to the air conditioning system at the main.
We include the price of the parts the estimated repair time and the cost for part installation.
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The most likely cause is either a failed capacitor or contactor.
The following section of the site contains common repair costs for central air conditioners.
A brief demonstration of how to replace an air conditioner contactor relay.
By the same token every time you turn on the air conditioner the contactor is lowered allowing electricity to power the system.
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.