Air Conditioner Compressor Start Relay

The ac contactor relay and start run capacitor s see illustration below fail most often and are inexpensive.

Air conditioner compressor start relay.

Symptoms of wear or failure of the a c relay. 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. Dometic air conditioners 3316230 700 control kit relay box heat cool with polar white ct wall thermostat. It operates just like any other relay and is often controlled by a button labeled a c.

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. An air conditioner uses relays to switch the system s high voltage parts on and off. W10613606 refrigerator compressor start relay and capacitor premium replacement part by canamax compatible with whirlpool kitchenaid kenmore refrigerators replaces w10416065 ps8746522 67003186.

Without this relay the ac compressor will not have power and the ac system will not function. 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. The starter relay transmits power from the capacitors to the compressor. 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.

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. 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 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.

The capacitor provides the power needed to start and run the compressor the blower motor and the outer fan. 4 5 out of 5 stars 74. 4 6 out of 5 stars 29. 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.

Airtex 1r1056 air conditioner compressor control relay.