Air Conditioner Contactor Relay

For example the contactor sends current to the condenser as well as the outdoor fan motor.

Air conditioner contactor relay.

Ac contactors can wear out and are at the top of the list of common air conditioning service failures. 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. This article discusses control relay switch chattering or rapid repeated clicking noises their cause meaning and repair. Visit our website to learn more about fixing your own air condition.

Get it as soon as tue sep 22. Chattering relay switch noise causes repairs for clicking chattering relay switches in hvac pump other controls. An air conditioner uses relays to switch the system s high voltage parts on and off. Contactors pull electrical contacts apart when power is not needed and close the contacts to power something up.

Heating and cooling equipment require switching devices that are heavy duty and can operate for thousands of cycles. 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. When you turn off your ac the contactor goes up blocking power. The relay switch that sends electricity to your air conditioner s compressor is known as a contactor.

A contactor is an electrical transmitter or relay in the ac. Air conditioner contactors and relays. If the contactor in your ac unit fails the compressor can t send out the refrigerant needed. By the same token every time you turn on the air conditioner the contactor is lowered allowing electricity to power the system.

Control relay switch chattering noises or chattering at contactor switches in air conditioners heat pumps water pumps. It regulates the flow of electricity to various parts. We offer the best quality hvac contactors and relays you can find. Even if your ac contactor is working it pays to replace it every five.

Free shipping on your first order shipped by amazon. Yuco cn pbc302 24 definite purpose contactor 30a 2p 24v 30 fla 40 res fits dp30c2p f ac heating contactor air conditioning contactor hvac contactor. 4 4 out of 5 stars 47. Here you will find our selection of top quality contactors and relays.