Board Recommendation

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Joined: Thu Dec 20, 2018 12:55 pm

Board Recommendation

Post by willjhill » Thu Dec 20, 2018 1:27 pm

I had a new house built last year and elected to install a 2 stage Carrier Performance series heat pump and variable speed air handler. It is a two zone system with an EWC NCM-300 control board. I have two Ecobee 4 thermostats. I also have an AprilAir Ventilation Controller wired to the EWC Board.

I noticed last winter the house had difficulty heating in 25-30 degree days. As this was my first heat pump I wasn't sure if that was normal or not. I also noticed a rattle, maybe dampers ? last summer. I called the installer to come and check the equipment and settings.

Turns out the installer never wired the 2nd stage to the compressor and installed a 2 stage heat/single stage cool control board ! They also had various parameters set wrong in the thermostats. The tech says "the guys right out of school do most of the installs" !!

I have a lack of trust for the installers and wanted to get an EWC opinion on which control board (UZC4 or BMPlus) is best for my application ? I am located outside of San Antonio Texas if that matters.

Appreciate any help in keeping these guys honest !

Paul Z.
Posts: 216
Joined: Thu Dec 08, 2011 3:05 pm

Re: Board Recommendation

Post by Paul Z. » Wed Dec 26, 2018 7:49 am

Give a call 1800 446 3110 X490.

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