Furnace Blower Motor Wiring Diagram Manual. 14 years experience in the hvac field of service, installation, manual j & d calculations. I am replacing a furnace blower motor. I just installed a 1/2 hp ge blower motor on a blower for an intertherm electric furnace in a mobile home.
These are the specs of the motor:
The typical service call for a hvac technician to do this would cost several hundred dollars but you can save most of that money by doing it yourself. The blower motor speed can be changed by exchanging the ground and the blower resistor circuit with the heater control (blower switch). The module board will then verify that the sail switch circuit is closed and motor is up to speed. Field thermostat connections may need to be disconnected depending on their length and routing. Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential hvac. The blower motor label wiring diagram would show the two wires on your blower motor where without heat call, blower does not start in circulation or manual on mode from honeywell stat the furnace fires, but the blower motor won't come on in either auto or run. Electric furnace wiring diagram sequencer. I had the same issue, one extra wire.
