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Rick Mather
Rick Mather, HVAC Technician
Category: HVAC
Satisfied Customers: 3634
Experience:  35 years experience, HVAC
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How do you replace a Trane Fan Motor

Resolved Question:

How do you replace a Trane Fan Motor?
Submitted: 5 years ago.
Category: HVAC
Expert:  Rick Mather replied 5 years ago.
Is this the blower motor?
Customer: replied 5 years ago.
Yes. We bought a new motor and have it hooked up but it isn't working right. If the fan is moved manually it will start but won't come up to speed.
Expert:  Rick Mather replied 5 years ago.
Did you hook up a new capacitor
Customer: replied 5 years ago.
Yes
Expert:  Rick Mather replied 5 years ago.
<p>How many leads on motor and to what do you have them connected</p><p> </p><p>The browns go to the cap.</p>
Customer: replied 5 years ago.
They are going over to the house and write down what all leads are there and which ones are going to what. Be back to you in a few minutes with the information. At this point, we do not think the brown ones are going to the cap.
Expert:  Rick Mather replied 5 years ago.
OK get back to me
Customer: replied 5 years ago.
Here is what they have:

off furnace motor - black going to the capacitor
red going to black on the fan motor
off the capacitor - black going to fan motor and yellow going to a yellow on fan motor
blue, red, brown with white trace, and brown that are not currently hooked up to anything.

Any suggestions?
Expert:  Rick Mather replied 5 years ago.
The black lead will be high speed cooling, red is low heat (NOT USED blue is med low or yellow is med high)the browns and the capacitor
Customer: replied 5 years ago.
I'm confused. What should be connected to what?
Expert:  Rick Mather replied 5 years ago.
Black wire is HIGH speed Cooling , Red is LOW speed heating , The RED and Yellow NOT USED, White will be Neutrel and the browns goto the capaictor
Customer: replied 5 years ago.
I understand all that; however, there is no white wire.
Expert:  Rick Mather replied 5 years ago.
Whats the voltage? Is there a little wiring diagram on the new motor
Customer: replied 5 years ago.
220.

By the way, another question - where does the red and black wires from the furnace motor go to?
Expert:  Rick Mather replied 5 years ago.
Red and Black should work for 220 vac.. Did you get an exact replacement motor here and all the leads should end up in a juction box


Can take piture of motor wiring diagram and then upload the picture to this site?
Customer: replied 5 years ago.
There was no wiring diagram with the new motor.

Here it all is - sorry if I'm so confused:

Red wire from furnace motor - goes to where??
Black wire from furnace motor - goes to where??

red wire from fan motor - goes to where?
black wire from fan motor - goes to where?
brown and brown/white trace wires - goes to capacitor - correct??
yellow and blue from fan motor do not get used - correct?

Expert:  Rick Mather replied 5 years ago.
Red to Red, Black to Black, you have the rest right
Customer: replied 5 years ago.
Okie doke, we will give that a try. Thanks alot.
Expert:  Rick Mather replied 5 years ago.
good luck
Customer: replied 5 years ago.
It worked - yahoo!!   Thank you so much!
Expert:  Rick Mather replied 5 years ago.
Thats a winner!


Don't forget to leave postive feedback and bonuses are welcomed
Rick Mather, HVAC Technician
Category: HVAC
Satisfied Customers: 3634
Experience: 35 years experience, HVAC
Rick Mather and 4 other HVAC Specialists are ready to help you

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