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cmeisel2009
10-01-2009, 10:21 PM
Hi,

My father in law purchased us a 58MVB080 a while back and I hooked up a cheap $20 thermostat. Last week a friend came by and educated me that I should really have a SYSTXCCUD01-B installed to take advantage of the unit and not run it on high all the time. So I bought one and installed it (so I thought).
I hooked all cables up as advised (Yellow from Thermostat to Y/Y2, Red from Thermostat to R, Green from Thermostat to G and White from Thermostat to W/W1).

I hooked it up, turns the heater back on, went upstairs to admire the new thermostat and the SYSTXCCUID01-B is not staring up. It seems off.
Once every minute (or maybe two) it flashes white but other than that it appears dead. I pressed every button...nothing. I checked the fuse on the furnace and it appears ok. The furnace (I checked in the dark) blinks. One short blink and two long ones...one short, two long ones.
I am completely lost on what to do next. Any help/suggestions would be appreciated.

thanks

claus

twosticks
10-01-2009, 10:57 PM
Don't know who "advised" you, but that is not even close to right.

Can't give you instructions, against the rules. Kinda surprised someone

sold you that control.

cmeisel2009
10-01-2009, 11:23 PM
I was advices by a friend and two local installers and the carrier customer service I called confirmed that my particular unit and serial number require the systxccuid001-b (if I decide to go that route which I did)
my father in law has about 12 of these carrier units with the same setup so I am not sure what you mean by wrong info.

cmeisel2009
10-01-2009, 11:46 PM
Fixed and works perfectly. Plug into ABCD on circuit board and you are done.