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    ddaniel733's Avatar
    ddaniel733 Posts: 1, Reputation: 1
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    #1

    Oct 24, 2008, 08:24 AM
    Honeyweel thermostat on goes on when I turn it down
    I tried to install a programmable thermostat but it didn't work, so I put the old Honeywell rotary thermostat back on. It has 3 wires, red, white, green. I have an oil fired furnace w/ radiators. No air conditioning. The furnace will come on when I turn the thermostat down and shut off when I turn the thermostat up.

    Any thoughts?
    Mighty oak's Avatar
    Mighty oak Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Oct 24, 2008, 08:31 AM
    Quote Originally Posted by ddaniel733 View Post
    I tried to install a programmable thermostat but it didn't work, so I put the old Honeywell rotary thermostat back on. It has 3 wires, red, white, green. I have an oil fired furnace w/ radiators. No air conditioning. The furnace will come on when I turn the thermostat down and shut off when I turn the thermostat up.

    Any thoughts?
    I don't have an answer for you but I'm hoping you can help me. I have the white, red and green wires and I didn't label them when I took the Honeywell down. Do you know wire the wires go on a digital? :confused:
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #3

    Oct 24, 2008, 08:49 AM

    For both of you:

    R = Red
    W = White
    G = Green

    If there is an R use it.
    If there is an Rh; use it for R
    If there is a jumper between Rh and Rc or R and Rc; leave it and connect this to R
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