[btuexpert]

I was servicing a Rheem condensing unit Model 14AJM36A01 and found bad fan motor. Since this an old unit and customer doesnt want to replace with an expensive ECM motor is it wise to install an universal motor?

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[HellGato]

If it is a old unit and the owner does not wish the OEM replacement part and you feel comfortable about any wiring modifications or performance issues that could arise.. You certainly can replace it with a universal motor to get some more miles out of the unit.

I would however give a clear disclaimer that this is his choice and you don't professionally recommend it and cannot warranty it beyond the work done and the manufacturers warranty.

 

[lkapigian]

What is the Furnace #? The condenser is not an ECM

 

[btuexpert]

I agree with you HellGato. It is very important to Let the customer know the risks before any repair.

Im not sure whether this is a variable speed motor or a constant torque Ikapigian, but the information plate on the motor itself shows ECM 142R. Kind of expensive


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[btuexpert]

The motor Im talking about is a condensing fan motor.

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[lkapigian]

The motor Im talking about is a condensing fan motor.

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It is a 1/5 825 RPM 48 Frame Motor RHEEM PN is 51-102008-08---It is not an ECM RHEEM Part is expensive, so you can use any 825 RPM motor that is not to tall

 

[btuexpert]

It is a 1/5 825 RPM 48 Frame Motor RHEEM PN is 51-102008-08---It is not an ECM RHEEM Part is expensive, so you can use any 825 RPM motor that is not to tall

Thanks Ikapigian. Im gonna call customer. For sure he is not going for OEM part.

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[lkapigian]

Thanks Ikapigian. Im gonna call customer. For sure he is not going for OEM part.

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I wont post pricing in this forum, but I would use a different motor so long as the height CFM and AMP rating are simular

 

[btuexpert]

When you say height Do you mean the distance from both ends? And the cfm I suppose you have to go to specs right?

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[lkapigian]

When you say height Do you mean the distance from both ends? And the cfm I suppose you have to go to specs right?

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825 RPM and yes end to end so the blade is in the proper position in the shroud

 

[btuexpert]

10 4. I feel more comfortable now. Thank you

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[Ammar.almahdi]

https://www.genteqmotors.com/Products/OEM/142R/

It is a dc motor.


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[dlginfla]

So this rheem condensing unit uses a constant speed DC outdoor condenser fan motor? Interesting, good detective work Ammar, I bet this OP's problem
could be a bad inverter board and not a motor at all... just saying..

 

[lkapigian]

So this rheem condensing unit uses a constant speed DC outdoor condenser fan motor? Interesting, good detective work Ammar, I bet this OP's problem
could be a bad inverter board and not a motor at all... just saying..

No it is a 1/5th HP single speed 230 Volt motor--there is no circuit board nor have I ever seen a 14 SEER unit with a VS outdoor fan

 

[HellGato]

PROTECH 51-102008-08 - Condenser Motor - 1/5 HP 208-230/1/50-60 (825 RPM/1 Speed)

 

[HellGato]

No it is a 1/5th HP single speed 230 Volt motor--there is no circuit board nor have I ever seen a 14 SEER unit with a VS outdoor fan

exactly you beat me to it LOL

 

[rundawg]

No it is a 1/5th HP single speed 230 Volt motor--there is no circuit board nor have I ever seen a 14 SEER unit with a VS outdoor fan

I don't mean to throw a wrench into this discussion, but part # 51-102870-03 was used before the 27 week of 2010. This was an ECM motor.

The install manual even shows the wiring diagram for both the PSC and ECM motors.

 

[lkapigian]

I don't mean to throw a wrench into this discussion, but part # 51-102870-03 was used before the 27 week of 2010. This was an ECM motor.

The install manual even shows the wiring diagram for both the PSC and ECM motors.

My mistake and apology to the OP- I looked it up on MYRHEEM and did not see an ECM-Thank You :cheers:

 

[rundawg]

I was servicing a Rheem condensing unit Model 14AJM36A01 and found bad fan motor. Since this an old unit and customer doesnt want to replace with an expensive ECM motor is it wise to install an universal motor?

I emailed you the install manual on this unit so you could see the wiring for both the PSC and ECM motors, if you want to convert it back to a PSC motor.

Hope this helps.

 

[btuexpert]

I emailed you the install manual on this unit so you could see the wiring for both the PSC and ECM motors, if you want to convert it back to a PSC motor.

Hope this helps.

Can you send it to me also?

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