Furnace fan wiring colors. Hope this helps a few folks out. It shows the parts of the circuit as simplified shapes and the power and also signal links between the gadgets. Its a rather small squirrel cage direct drive. Replacing the fan blower motor with a new one can quickly fix the issue and restore heat to your home.
I am converting an air conditioning fan to an attic fan to blow the heat out and i am trying to figure out the wiring for it. How to set furnace blower speeds. The fan has a black wire a blue wire. When a furnace blower motor gives out heat for the entire home will stop working except directly by the furnace itself.
Mode cool fan auto 2. After getting my furnace blower motor replaced it now runs only in the following scenarios. Always check the wiring going to the furnace blower is smaller in size than the house wiring used to connect to the electrical outlets in the rest of the house. G this is the terminal used for the fan relay to energize the indoor blower fan.
The motor of a furnace fan can come in several different horsepowers ranging from about 16 to one. Blower motor wiring colors showing 1 44 of 44 messages. Furnace fans can have anywhere from one to four speeds depending on the make but youll want to operate at the lowest speed or speeds for your stand alone fan unless you are in the mood to blow your pictures off the wall. Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential hvac.
I believe it could have something to do with the way the motor is wired. Mode cool fan on 3. Step 4 check the other wires. I have a furnace blower that i plan to use just as a high powered fan.
Properly wiring the blower motor is esssentail to safe operation. Furthermore for the thermostat wiring colors code for this terminal if equipped consult with the installer or trace the wire out to the source. In case the wires that connect to the furnace blower are as large as the outlet wires you may have to replace the entire length of wires right from the main power source of the house to the furnace blower. Assortment of goodman furnace wiring schematic.
Your furnace should have a sticker that tells you the normal range for each of the wire colors. 240 volt psc blower motor fan speeds wire colors. Look at your furnaces wiring diagram to ensure that the wires end up in the correct spots to avoid ruining the furnace after you turn it on. More important is the speed of the motor.