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-   -   AC System with White Rodgers with Comfort Alert Technology (http://www.diychatroom.com/f17/ac-system-white-rodgers-comfort-alert-technology-158319/)

JJboy 09-28-2012 08:59 PM

AC System with White Rodgers with Comfort Alert Technology
 
What is the proper way to pump down? :thumbsup:

beenthere 09-29-2012 04:56 AM

Scroll compressor isn't suppose to be drawn lower then 20PSIG. But if your going to go to 0, just hold the contactor in.

JJboy 09-29-2012 07:10 AM

Quote:

Originally Posted by beenthere (Post 1019798)
Scroll compressor isn't suppose to be drawn lower then 20PSIG. But if your going to go to 0, just hold the contactor in.

Condenser with this controller board doesn't have contactor or test bottom to pumpdown. I think I need to jumper LPC to be able to pumpdown to 20PSIG.

beenthere 09-29-2012 08:33 AM

The ones I'm use to use a contactor. Of course, I mostly see them on AAONs with digitals scrolls.


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