Lennox condenser fan motor

January 4, 2018
Lennox Condenser Fan Motor

Just replaced a GE 5KCP39FG Condenser fan motor with an AC Smith FSE1026SF. HVAC Counter sales told me it was the right one and gave me a Partners Choice Capacitor 01-0085 to match.

Old motor 3 wires and no reversible plug. New Motor 4 wires (brown/white is new wire) and has reversing plug. Took picture of old motor installation and confirmed at HVAC counter sales how to wire new motor. Old Black is new Black (goes to plug module on condenser frame, Old Yellow is new white (Goes to 4 prong on Capacitor), Old Brown is new Brown and Brown/White (goes to 2 prong Fan on capaciter), Blue from condenser chassis (goes to 3 prong HERM on Capacitor).

Turned on electricty and AC and everything started like a champ for about 3 minutes then the fan cut out and I noticed the fan moter was very hot. Also, it was not near the RPMs I remember.

So I fiddled. Took off Brown and White and turned on electricity. Condenser fired up, but no fan. Touched Brown/White to capacitor and fan started. Once it was spinning, I untouched the Brown/WHiite and the RPMs increased to full speed, then cut out after 2 minutes due to motor heating up.

Last item. When comparing motor info, all the info between the two is the same except for amperage. Old motor was 1.4, new motor is 2.0.

Source: diy.stackexchange.com
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