Carrier Furnace Fan Limit Switch Location

It also determines if the furnace should be shut down in the case of overheating.

Carrier furnace fan limit switch location.

In carrier downflow furnace models the flame roll out switch is just above the gas burner. 5 0 out of 5 stars 5. If the temperature inside the unit becomes to high the high limit switch will turn the gas off to the unit. Amazon s choice for carrier furnace limit switch.

Locate the white limit switch. A fan limit switch consists of the following components. It is usually located behind the inducer fan motor area to test it you can turn off power to furnace remove the wires from either side of the limit switch and connect the two wires you removed together. Hh12zb180 carrier oem furnace 3 limit switch l180 40 by oem replm for carrier.

Carrier furnaces combine quality and performance in a durable attractive and compact cabinet. Honeywell l4064b2236 combination fan and limit furnace control. Look for a rounded component with a raised red button in the center. Additional comfort enhancing functions on select models include ideal humidity system technology for relief from hot and sticky summer air and comfortfan technology which allows you to select furnace fan speeds from the infinity system control.

Be sure the filter is good. There should be three of them two should have a reset button on them that you can press. To access the burner components in a downflow furnace you ll need to remove the bottom front panel. If the two wires are too short to connect you use a jumper wire like a paper clip to join the terminals.

Locate the rollout limit switch on the burner assembly. Depending on your furnace model the switch will be surrounded by a silver or white cover. How a fan limit switch works. Things to check first.

Hh18hz195 carrier oem furnace limit switch l195 80 by oem replm for carrier. Remove the cover by lifting it upwards or pulling it off to reveal the body of the switch and two metal arms. It will be located at the top of the panel. Pull the panel up and toward you to free it.

The limit switches are around the burner housing. Just as it determines when the blower assembly should turn on it will also determine when it should turn off. Only 10 left in stock order soon. Step 4 press and hold the red reset button in the center of the rollout limit switch component.