Question about Honeywell Programmable Thermostat Heater

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Honeywell TH8000 5 wire

Trying to replace thermostat. Had a Honeywell 7 wire setup, trying to go to TH 8000 5 wire. Had it hooked up and the heater worked. Tried to turn the AC on and it won't work. WTF is the deal? I hooked it up differently and popped a fuse. Replaced the fuse, now nothing works...heater, AC, fan, nothing...any ideas?

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  • johnwayne Feb 04, 2008

    Dude, I have no idea....

    the old one was:

    X - Blue
    W2 - White
    R - Red
    G- Green
    O - Orange
    Y - Yellow
    E - Black

    The old has a light and selection for EM HEAT. I live in Texas, so I hear, that I don't need the emergency heat.

    Does this help?

  • johnwayne Feb 04, 2008

    Oh...the system is all electric...

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7wires? wtf with that! how many things you got runnin there. you need to give way more info to get a decent reply.

Posted on Feb 04, 2008

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HONEYWELL WEBSITE:
Go to honeywell.com
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