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Rheem heat pump defrost

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Rheem heat pump defrost Injun Ear 06-15-2009
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Posted by Injun Ear on June 15, 2009, 1:22 pm
Trying to hook up the defrost so it will energize some heat during the
defrost cycle. It says run a lead from D on the heat pump to P on the
air handler. Only problem is, I seen no P terminal on the air handler's
circuit board.

Posted by Noon-Air on June 15, 2009, 3:13 pm
its the purple wire on Rheem/RUUD heat pumps to energize the strips when it
goes into defrost.

> Trying to hook up the defrost so it will energize some heat during the
> defrost cycle. It says run a lead from D on the heat pump to P on the
> air handler. Only problem is, I seen no P terminal on the air handler's
> circuit board.


Posted by Injun Ear on June 15, 2009, 4:39 pm
Yes, I have a purple wire. But where does it hook up in the air handler???

Noon-Air wrote:
> its the purple wire on Rheem/RUUD heat pumps to energize the strips when
> it goes into defrost.
>
>> Trying to hook up the defrost so it will energize some heat during the
>> defrost cycle. It says run a lead from D on the heat pump to P on the
>> air handler. Only problem is, I seen no P terminal on the air handler's
>> circuit board.
>

Posted by Noon-Air on June 15, 2009, 6:53 pm
Apparently you can't read a schematic?? or the installation instructions??
This is basic controls, with basic wiring.
You do know that Rheem equipment RVs are energized in heat, I would hope
What model heat pump??
What model of air handler are you using with it??
What control are you using with it??

> Yes, I have a purple wire. But where does it hook up in the air
> handler???
> Noon-Air wrote:
>> its the purple wire on Rheem/RUUD heat pumps to energize the strips when
>> it goes into defrost.
>>> Trying to hook up the defrost so it will energize some heat during the
>>> defrost cycle. It says run a lead from D on the heat pump to P on the
>>> air handler. Only problem is, I seen no P terminal on the air handler's
>>> circuit board.
>>


Posted by Injun Ear on June 16, 2009, 8:04 am
The only thing the schematic shows is the heat pump end, not the air
handler end. It shows a picture of the terminals, but there is no P
terminal.

Rheem RPPB-036JAZ heat pump.

Rheem RBHK-24J14SHD air handler.


Noon-Air wrote:
> Apparently you can't read a schematic?? or the installation instructions??
> This is basic controls, with basic wiring.
> You do know that Rheem equipment RVs are energized in heat, I would hope
> What model heat pump??
> What model of air handler are you using with it??
> What control are you using with it??
>
>> Yes, I have a purple wire. But where does it hook up in the air
>> handler???
>> Noon-Air wrote:
>>> its the purple wire on Rheem/RUUD heat pumps to energize the strips
>>> when it goes into defrost.
>>>> Trying to hook up the defrost so it will energize some heat during
>>>> the defrost cycle. It says run a lead from D on the heat pump to P
>>>> on the
>>>> air handler. Only problem is, I seen no P terminal on the air
>>>> handler's
>>>> circuit board.
>

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