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I bought a hunter 44860 and i want to replace my old ruud thermostat that has wire code: w2 which has one wire jumped to e, b, g, r, y, and x my new hunter has wire code: y1, y2, w2, g, rh jumped to rc/r, b, w1,e, o, c, and l. i dont know which one goes where can you help me?
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They don't always use the correct wire colors,if it is labeled w it is for your strip heat,shouldn't hurt to hook it up,most likely they used it for the strip heat,most heat pumps are wired to turn on your strip heat when the heatpump is in defrost mode and it is controlled by the heat pump,you can hook this to the emerg. heat or w2 :)
This should help you. You need to know if your thermostat is powered by the unit or independently and which way your reversing valve switches (I,m not sure on a Bryant, but probably Your old O wire goes to your new O terminal. They should pretty much match up, the new stat just has more options. Thermostat wiring
Wiring on the old one, "X", probably a brown wire will not be used on the new stat. If it's a blue wire, this may be your common. "E" and "W2" probably wired together with a white wire, this controls electric heat. "R" with a red wire, this is 24 volt power. "O" is an orange wire, this is the reversing valve. "Y" is a yellow wire, this is the contactor. "G" is a green wire, this is the blower. This pretty accurate? On the new stat, the jumper should be connecting "RH" to "RC/R", leave it in and wire the "R" from your old one to either terminal. White from the old one will go to the "E" of the new one. If your electric heat doesn't work after the install, you may need to jumper the "W1" and "W2" with the "E". "O" wires to "O". "Y" from the old one wires to the "Y1" of the new. "G" wires to "G". "C" on the new one is common. Usually a blue wire goes here. If "X" on the old one was blue, plug it into the "C". If it was brown, I'd suggest not using a common, and installing batteries. Hope this helps.
By describing the wires from your new thermostat and your old one, it sounds like your new thermostat is not compatible with your system. If you have seven wires now, then you more than likely have a heat pump system and you have to get a thermostat that is compatible with this type of system. Then you will have the connections you need.
Is the compressor running? is the outside unit clean and free from debris? does this unit work in the heating mode during the winter, and is it still capable of that now.
I had the same set and problem. I had a RC wire which is the power to the AC. But didn't have an RH wire which is the power for the heat. To fix this just use the jumper wire and insert it in with the RC wire and hook it up to the RH. Fixed my problem.
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