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Posted by AB on October 27, 2006, 9:22 am
Thanks. I had a feeling that the damn thing was compatible. There's $80
down the drain!(anyone want to buy two brand new Lux ATX 1500 digital
thermostats?) Looks like I'm headed to Ebay.
HVACTECH2 wrote:
>
> >I read through tons of the posts on this group, but none addressed my
> >specific issue. Hopefully, someone can help me figure out how to
> >install my two new
> >digital thermometers. (Lux ATX1500's) Anyway, the problem stems from
> >the fact that I am replacing very old mercury Flair thermostat that
> >has three wires connected to numbers, not letters. Therefore, I don't
> >know how they correspond to the new thermostat. The Flair's are wired
> >as follows:
> >White - #6
> >Red - #5
> >Green - #4
> >
> >I connected the white to RH, which came pre-jumpered to RC on the Lux.
> >Green went to W and Red to Y. While the heat came on, it went up to 80
> >degrees and didn't come down as I had timed it to. I'm obviously
> >screwing something up.(I've tried several other combinations with the
> >same result) It's a heating only system, and I obviously
> >don't have the cooling mechanism wired correctly. (and maybe more) The
> >documentation doesn't help, and I can't find a thing on the Internet
> >on Flair thermostats. Any help would be greatly appreciated. Thanks!
> >- Adam
>
> If those are the flair zone valves I think they are your new stat
> isn't going to work with them. you need to call a pro to check the
> system for you. I can't see what you have from here :)
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