Question about Heating & Cooling
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Posted on Jan 02, 2017
You almost have it Look closer at the run capacitor. It has Herm, this is for the compressor, Com or C and F or Fan.
1 of your power wires is the fan speed so connect them accordingly usually black is hi, blue med, & red is low. You are "feeding" voltage to the selector switch on 1 side and coming out to the fan motor speeds.
Next you have a "Common" wire on your fan motor (this means its Common to all the other connections inside the fan motor to me. It is usually white. Connect this to the other line of power usually the Com on the capacitor unless it connects to a strip on the selector switch. But 1 of these 2 places will be the other side of your Power when plugged in. Lastly the brown it is usually the fan capicator only wire and it will connect to the fan "F" terminal on the capicator this terminal will not have any other wires connected to it.
This should make you a happy camper. Please rate me accordingly and good luck.
Posted on Mar 08, 2009
use a seperate capicitor for the fan only pick up 1 leg of power from common side of the compressor cap and the other from the contactor or the board in a heat pump situation
Posted on May 11, 2009
Your old moter had three wires. Common High and brown for capacitor. This one sounds like a two speed. Dont worry Now you have two brown wires for you capacitor instead of one. Tape off brown wire with white strip. Connect other brown to cap. You should have a white or yellow for common wire and black for high. Tape of the other extra wire and wire in like the three wire. Rusty
Posted on Jun 07, 2009
SOURCE: wire an AC fan motor
Look at the schematic on the new motor , but i think if the 2 purple wires go each one to each side of the capacitor, the black to line and you need to connect the other line which Im 99% sure is the whte wire which is the only one left.Remember you need 220v between the fan motor lines for it to work.
Posted on Oct 01, 2009
If you have changed the motor, I assume that the RPM is the same as the motor you have removed.?
Check the rotation of the new motor, if you have it turning in the wrong direction, it does not matter how fast it turns, it will not send enough air across the evaporator and condenser coils.
Also, if you have changed the motor, you should also change the run capacitor for the power motor.
Hope this info has helped you.
Posted on Oct 08, 2009
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