Air Handler Fan Relay

Indoor air handler or blower unit for a c or heat pump or furnace systems.

Air handler fan relay. Next turn off the power switch right at the furnace or air handler. 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. An air conditioner uses relays to switch the system s high voltage parts on and off. This allows the residual cooling effect in the evaporator coil to be used to provide additional btu s of cooling after the compressor has stopped.

Collection of air handler fan relay wiring diagram. Air conditioning system a normally closed delay on break tdr can be used to hold the blower motor in operation for a specified time after the cooling compressor has been turned off by the thermostat. More buying choices 33 84 4 new offers goodman janitrol amana furnace fan blower relay timer sequencer instructions. If the air conditioning service still doesn t work properly after you ve cleaned the condenser coils installed a new filter and opened all the supply vents proceed with the following repairs.

Jard replacement 6 pin fan relay replaces trane rly01718 rly 1718 rly 3790 rly03790. When the hvac is in the heat mode it can cause a cool draft when the heat is not in the demand mode. When the air handler blower of an air conditioning unit continues to run it indicates a problem that needs to be resolved. Only 7 left in stock order soon.

When the unit is in the cooling mode the draft is not so undesirable but it wastes energy. If you rely on a carrier air handler to assist in your comfort you can rely on repair clinic. Install snap acting hvac relays from grainger in any position for remote control of air conditioning heating and ventilation systems. Only 10 left in stock order.

In stock order soon. A wiring diagram is a streamlined conventional photographic depiction of an electric circuit. It reveals the components of the circuit as streamlined shapes as well as the power and also signal links between the tools. How to inspect repair the indoor components of air conditioners and heat pumps.

5 0 out of 5 stars 2. Then yank the disconnect block photo 1 and clean the condenser coils photo 2. Control fans blowers motors up to 1 1 2hp tools and other electrical devices within ratings. New fan blower time delay b1290906 24v goodman air handler relay instructions.