Air Conditioner Condenser Fan Relay

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Air conditioner condenser fan relay.

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. A working ac will provide you with nice and cold air as opposed to bearing the brunt of warm dry air. Ac blows hot air. If the condenser fan relay is failing you may notice signs such as the air conditioner not blowing cool air or not functioning at all.

The fan s power is controlled by the condenser fan relay. If the relay board isn t working properly the fan might not run. Therefore to determine whether or not this part is working you ll have to walk outside and look at the fan through the vents of the condenser unit. Relay boards are often misdiagnosed.

The air conditioner fan is located in the condenser unit the portion outside your home. However having the fan running but the compressor not working is nothing too dire so don t panic. Usually a faulty condenser relay will display a few problems that can alert the driver that a potential problem has occurred and should be serviced. Dometic air conditioners 3316230 700 control kit relay box heat cool with polar white ct wall thermostat.

If the ac condenser fan. A c or heat pump fan condenser unit diagnosis repair. In most cases the ideal temperature is around 150 degrees fahrenheit. These two speed fans are typically controlled by a low speed fan relay and a high speed fan relay.

In some cases the vehicle may overheat. The relay board provides voltage to many components of the air conditioner including the fan motor. Ac contactors can wear out and are at the top of the list of common air conditioning service failures. If you are near the condenser unit and it feels hotter than usual it indicates that the fan motor may be overheating.

Replacing the condenser fan relay. Before replacing the board make sure you check more commonly defective parts particularly the fan motor capacitor and the fan motor itself. With how much the hvac runs something is bound to go wrong with its compressor. An air conditioner uses relays to switch the system s high voltage parts on and off.

This article discusses the diagnosis and repair of problems with the outdoor compressor condenser fan and fan motor including fans that wont run fans that run at slow speed and fans that won t stop running our page top photo of a compressor condenser fan unit shows that a stick had fallen into the fan blocking the blades and. Condenser fan motors all have a temperature stipulated by the ac manufacturer at which it can operate safely and problem free. Part 1 of 1. 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.

One of the first symptoms commonly associated with a fan relay is an ac that blows warm air.