Carrier Furnace Fan Limit Switch Location

Hh12zb180 carrier oem furnace 3 limit switch l180 40 by oem replm for carrier.

Carrier furnace fan limit switch location.

There should be three of them two should have a reset button on them that you can press. Carrier furnaces combine quality and performance in a durable attractive and compact cabinet. 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. A fan limit switch consists of the following components.

A clogged up furnace filter will block air flow into a furnace and raise the temperature inside it. The limit switches are around the burner housing. It also determines if the furnace should be shut down in the case of overheating. One likely will not as it is an auto reset one.

If the temperature inside the unit becomes to high the high limit switch will turn the gas off to the unit. How a fan limit switch works. Only 10 left in stock order soon. 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.

Depending on your furnace model the switch will be surrounded by a silver or white cover. Honeywell l4064b2236 combination fan and limit furnace control. In carrier downflow furnace models the flame roll out switch is just above the gas burner. Step 4 press and hold the red reset button in the center of the rollout limit switch component.

Locate the white limit switch. Locate the rollout limit switch on the burner assembly. Hh18hz195 carrier oem furnace limit switch l195 80 by oem replm for carrier. If the two wires are too short to connect you use a jumper wire like a paper clip to join the terminals.

Just as it determines when the blower assembly should turn on it will also determine when it should turn off. Amazon s choice for carrier furnace limit switch. To access the burner components in a downflow furnace you ll need to remove the bottom front panel. It will be located at the top of the panel.

Remove the cover by lifting it upwards or pulling it off to reveal the body of the switch and two metal arms. 5 0 out of 5 stars 5. Look for a rounded component with a raised red button in the center. Pull the panel up and toward you to free it.