A new problem - http://www.hvacmechanic.com/ Forums
Original message
| sn0wstar40
 |  "A new problem"
, posted Sat 9 Feb 12:46  
Okay, I looked on the panel and it says a 12 blower on after power up- blower runs for 90 seconds, if unit is powered up during a call for heat. (R-W closed), what does the R-W stand for? How do we find out how to open it? Is it supposed to be opened? and now I can't even get the heater to come on at all, at least before I could get the blower to come on, Now what?
Please Help!
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Replies:
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| Houston204
|  "Re(1):A new problem"
, posted Sat 9 Feb 13:30
R = 24 volt power
W = heat
G = fan
Y = compressor
C = 24 volt common
Turn off your thermostat before removing the panel to eliminate the 12 code.
"Tip of the Day" Remember to remove power first.
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