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Old 06-03-2013, 04:55 PM   #1
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Condensor Fan Motor Options?


I have a older Carrier condensor unit and have a fan motor that is siezed. There are 2 units side by side and I have swapped the whole top fan assembly, so I know that the problem is with the motor, not the capacitor. (I will replace cap regardless). Motor will only make 1/2 turn before stopping and believe it needs to be replaced.

The motor is a GE 5KCP39EGP611S 1075 RPM, 208-230v and having some difficulty finding the right replacement.

I did find a motor thru Grainger, however the model is not exact and not sure if this Grainger replacement would do the trick. 5KCP39FGM599S is the Grainger model.

Will this motor work for me? Is there a better alternative replacement?

Thanks, John

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Old 06-03-2013, 05:38 PM   #2
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Condensor Fan Motor Options?


https://acpartsdistributors.com/inde...ducts_id=30132

I used the exact same model # because it was plug and play. There are motors that have different windings on them to regulator RPM IIRC. As a homeowner I found it better to pay extra for the exact unit.

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Old 06-03-2013, 07:19 PM   #3
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Condensor Fan Motor Options?


Thats a lot of money, Grainger has a fine universal replacement motor that runs around 95 bucks.
Give Grainger the horsepower, voltage, rpm and so on and they will sell you the universal motor you need. The motor will be field reversible and the capacitor runs around six bucks.
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Old 06-03-2013, 09:09 PM   #4
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Condensor Fan Motor Options?


1075 is a generic replacement, readily available. we need to know the hp as you can go down one step (1/4 horse to 1/5 or 1/6th) if the amperage draw is equal to or less than the original.
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Old 06-03-2013, 10:13 PM   #5
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Condensor Fan Motor Options?


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Originally Posted by Doc Holliday View Post
1075 is a generic replacement, readily available. we need to know the hp as you can go down one step (1/4 horse to 1/5 or 1/6th) if the amperage draw is equal to or less than the original.
whats the reason to go down one step......
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Old 06-04-2013, 12:05 AM   #6
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Condensor Fan Motor Options?




With a new HC39GE237 1100 RPM 230VAC .25HP OEM motor, you know that you will not need to cut the shaft or remember to remove the correct drain plug or extend any wires. The body is also shorter than a universal motor. This will provide better airflow through your condenser coil than a longer motor which would put the fan blade lower into your condenser.
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Old 06-04-2013, 12:34 AM   #7
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whats the reason to go down one step......
because 1100 rpm is manufacture brand, generic replacement is 1075 at a third the cost.

I replaced an 1100 rpm condenser fan motor on a trane unit ( small frame ) that Century carried as a replacement at a 1/6th hp. Century is Rheem and Ruud. Same amperage draw, designed to replace the 1/4 horse 1100 rpm.
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Old 06-04-2013, 09:49 PM   #8
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Condensor Fan Motor Options?


What part number was it?
I've had bad luck using 1/4 hp universal motors on Trane condensers. They usually over amp and drop out. If forced to use a universal motor with Trane, I would use a slightly larger motor. I recommend an OEM.

I have used a 1/4HP universal motor to replace 1/4HP OEM motors on Carrier condensers but I don't like the way air discharges from the condenser.
I stock the HC39GE237 and the universal 1/4 hp motor.

Seems like more condensers are using 1/6HP motors these days so I stock one of them as well. I have never tried to install one in place of a larger motor.
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Old 06-05-2013, 04:42 AM   #9
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Condensor Fan Motor Options?


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What part number was it?
I've had bad luck using 1/4 hp universal motors on Trane condensers. They usually over amp and drop out. If forced to use a universal motor with Trane, I would use a slightly larger motor. I recommend an OEM.

I have used a 1/4HP universal motor to replace 1/4HP OEM motors on Carrier condensers but I don't like the way air discharges from the condenser.
I stock the HC39GE237 and the universal 1/4 hp motor.

Seems like more condensers are using 1/6HP motors these days so I stock one of them as well. I have never tried to install one in place of a larger motor.

Check the amp rating on the universal motor your using on Trane. If its higher, it won't last long. Some Trane condenser motors are rated at a high HP then they actually are. When you put a real 1/4 HP motor on, it over heats.
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Old 06-05-2013, 11:58 PM   #10
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Condensor Fan Motor Options?


Yeah, years have passed since that problem but I think it was something like 1.9FLA on the condenser and 1.4 on the universal causing it to overamp.

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