Carrier Furnace Fan Limit Switch Location

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.

Carrier furnace fan limit switch location.

A clogged up furnace filter will block air flow into a furnace and raise the temperature inside it. To access the burner components in a downflow furnace you ll need to remove the bottom front panel. Be sure the filter is good. Just as it determines when the blower assembly should turn on it will also determine when it should turn off.

It also determines if the furnace should be shut down in the case of overheating. The fan limit switch also has two other functions. How a fan limit switch works. Remove the cover by lifting it upwards or pulling it off to reveal the body of the switch and two metal arms.

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. Things to check first. Look for a rounded component with a raised red button in the center. Amazon s choice for carrier furnace limit switch.

In carrier downflow furnace models the flame roll out switch is just above the gas burner. 5 0 out of 5 stars 5. Hh12zb180 carrier oem furnace 3 limit switch l180 40 by oem replm for carrier. Hh18hz195 carrier oem furnace limit switch l195 80 by oem replm for carrier.

Only 10 left in stock order soon. Locate the rollout limit switch on the burner assembly. One likely will not as it is an auto reset one. Pull the panel up and toward you to free it.

Step 4 press and hold the red reset button in the center of the rollout limit switch component. Carrier furnaces combine quality and performance in a durable attractive and compact cabinet. Locate the white limit switch. If the temperature inside the unit becomes to high the high limit switch will turn the gas off to the unit.

Honeywell l4064b2236 combination fan and limit furnace control. A fan limit switch consists of the following components. It will be located at the top of the panel. If the two wires are too short to connect you use a jumper wire like a paper clip to join the terminals.