Furnace Blower Fan Wiring Diagram

A wiring diagram is a simplified traditional pictorial representation of an electrical circuit.

Furnace blower fan wiring diagram.

The fan or furnace blower motor is controlled by the two left connections green dots. The furnace limit switch which will turnoff the burner if the temperature limit is reached is controlled by the two right connections red dots. Place a jumper connecting y and o. Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential hvac.

Hope this helps a few folks. Assortment of furnace blower motor wiring diagram. A wiring diagram is a streamlined standard pictorial depiction of an electrical circuit. 8 refer to the blower chart for cfm requirements.

It shows the parts of the circuit as streamlined shapes and the power as well as signal connections in between the devices. Jump if needed to achieve correct cfm. Some ac systems will have a blue wire with a pink stripe in place of the yellow or y wire. 3 speed furnace blower motor wiring diagram wiring diagram is a simplified enjoyable pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the skill and signal links amid the devices.

The left illustration shows normal wiring for this set up.