What is the orange wire on a furnace blower motor?
The orange wire connects to terminal O on your thermostat. The orange wire only applies to homeowners with an air-source heat pump. Only air-source heat pumps connect to your outdoor condenser.
What are the wires on an old furnace blower?
Check the diagram on the old motor, to figure out which wires are which. From what I can see, looks like on the old motor: Black = High speed, Yellow = Medium high, Orange = Medium Low, Red = Low speed. – Tester101 Nov 1 ’15 at 3:43 Yes, and that is what i had done.
What are the colors of a fan wire?
3 pin and 4 pin Fan Wire Diagrams Pin Name Pin Name Color Color 1 Ground Black Black 2 +12v Red Yellow 3 Tach/Signal/Sense Yellow Green 4 Control/PWM Blue Blue
How does a 4 wire fan motor work?
Now for your 4 wire method: – White wire from the condenser fan motor to one side of power on the contactor (T1) – Black wire from the condenser fan motor to other side of power on the contactor (T2) – Brown wire from the condenser fan motor to the capacitor.
Where is the Black Wire on a condenser fan?
Black wire from the condenser fan motor to the other side of power on the contactor (T2). Brown wire from the condenser fan motor to the other side of the capacitor opposite the jumper wire.
Check the diagram on the old motor, to figure out which wires are which. From what I can see, looks like on the old motor: Black = High speed, Yellow = Medium high, Orange = Medium Low, Red = Low speed. – Tester101 Nov 1 ’15 at 3:43 Yes, and that is what i had done.
What is the Orange Wire on my furnace?
But there’s a chance the orange wire is actually the common wire and the yellow is one of the two med settings (med hi or med lo). That turned out to be the case in my unit. On my new motor, I had black, red, blue, and yellow. On the old one, it had the extra orange as well.
Is there an orange wire on the new motor?
The problem is there is an extra setting (orange wire) on the old motor that isn’t there on the new one (medium low). – user1463809 Nov 1 ’15 at 3:50 Probably not all the speeds were used, you’ll have to check where they connect to the control board. Most likely, one or two go to a PARK terminal, which means they’re not used.
Where does the yellow wire go on a thermostat?
The yellow wires connect to the Y terminals on your thermostat. The green wire underneath your thermostat connects to the fan of your furnace or air handler. It terminates at the air handler or furnace. The green wire connects to terminal G on your thermostat. The orange thermostat wire links to your heat pump, if you have one.