Question: heater works. blower works.. the ac works when in a division but when wired into the house it wont come on, my husband thinks its something wicked with the AC I think its a communcation issue or a safety switch preventing it from constant, should note it tries to come on, but the ac won't come all the way on, it has a couple times but when I debar it
Answer: R-Y-G-W is touchstone for a split heat/ cool system where R usually red for 24v power, Y is commonly yellow for AC, G is usually green for fan, and W is usually white for eagerness. Sometimes there is a C for common, usually black or blue.
What you are describing doesn't astute like a low- voltage problem. it sounds like there may be
johntindale | May 03, 2008