This article describes the door interlock safety switch found on air handlers used in both air conditioning and heating furnaces.
Air conditioner door switch.
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A c or heat pump air handler blower door safety switch blower compartment switches.
Central air conditioning systems have an outside unit with a compressor that runs and provides the cool air that runs through the vent system.
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An air handler blower compartment access door switch is present on newer units and can be seen as a button or switch which is depressed when the blower compartment door or cover is properly in place.
The heavy gauge galvanized steel cabinet is protected by a high quality uv resistant powder paint finish.
The door window sensor is a dual purpose wireless unit that will communicate the status of a door or window open or closed to the main ac 14 unit.
Onboard dip switches allow you to configure operational mode and delay parameters.
How to test install wire the air handler or furnace door safety switch.
For additional sensors see related products at the bottom of this page.
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The hvac smart relay switch hsrs is an energy saving device designed to automatically shut off air conditioning or heating when a monitored door or window remains open for a preset period of time.
Blower compartment door switch.
We explain how the blower door safety switch works how it is tested installed and wired.
Our air conditioners accessories category offers a great selection of air conditioner parts accessories and more.
Available in both wired wireless packages the system uses compatible door window sensors two included.
Fan compartment safety switch.
1 d w sensor is included with every ac 14.
A maximum of 8 d w sensors can be paired with an individual ac 14 unit.