Air Conditioner Compressor Start Relay

4 5 out of 5 stars 74.

Air conditioner compressor start relay.

Symptoms of wear or failure of the a c relay. If the compressor isn t running but the fans work the start relay or compressor might have failed. 2 pack air conditioner relay for 1997 2014 toyota lexus and scion vehicles. The air conditioner a c relay is a relay used to send electrical power to the air conditioning compressor and air conditioning compressor clutch when the system is turned on.

An air conditioner uses relays to switch the system s high voltage parts on and off. The capacitor provides the power needed to start and run the compressor the blower motor and the outer fan. The relay contains a low voltage coil and a high voltage switch sometimes called contact points when the thermostat switches on a low voltage signal energizes the appropriate relay. If the window air conditioner s compressor and fans are running but the air conditioner isn t cooling possible causes include a failed compressor or the lack of refrigerant due to a leak in the sealed system.

So it s a safe bet to buy and install those parts right away especially if your air conditioning service unit is older than five years. W10613606 refrigerator compressor start relay and capacitor premium replacement part by canamax compatible with whirlpool kitchenaid kenmore refrigerators replaces w10416065 ps8746522 67003186. The starter relay transmits power from the capacitors to the compressor. Airtex 1r1056 air conditioner compressor control relay.

Dometic air conditioners 3316230 700 control kit relay box heat cool with polar white ct wall thermostat. Mechanical potential relay hard start kit recommended this style hard start kit uses a potential relay to take out the start capacitor of the circuit upon startup once the ac compressor is at approximately 75 to 80 its full operating speed back emf electro motive force generated by the compressors rotor creates a magnetic field that opens the relay taking the start capacitor out of. Get it as soon as thu sep 24. The ac compressor relay is responsible for supplying power to the ac compressor and clutch.

The ac compressor relay is no different then other electrical relays its electrical contacts will eventually wear or burn out and the relay must be replaced. When ac compressor not working but you hear some humming sounds from the unit chances are the compressor is trying to access a non operational capacitor. The ac contactor relay and start run capacitor s see illustration below fail most often and are inexpensive. 4 0 out of 5 stars 8.

It operates just like any other relay and is often controlled by a button labeled a c.