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    Patej's Avatar
    Patej Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 7, 2007, 08:34 PM
    Thermostat issues
    :confused: I just replaced an old Honeywell thermostat in a 41 year old home... the wiring (2-wire) was not labeled or color coded nor was the screw type terminal it was connected to identified (no P/N on the old T-stat either). Since I am purely looking for contact closure I installed a Model # RTH221 Honeywell Thermostat in its place, I installed the two wires on the Y & G terminals and now the circuit is closed and the heater kicks on but it doesn't turn off... Yikes!! So I had no choice but to pull the cover plate off to make it stop. Now Im really sweaty and confused... do I install these wires on the Y - G - Rh - Rc or W terminals, its just a simple natural gas heater with no fan / AC / or any other options... it worked fine before, but ohh was that ole T-stat ugly!! Any sugestions here folks?

    Patej
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 7, 2007, 09:31 PM
    Just use RH and W. Let factory jumper in from RH to RC. You will use only two wires for your set up. Remember to put batterys in.

    http://customer.honeywell.com/techli...69-2060EFS.pdf
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