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    nocab_bits's Avatar
    nocab_bits Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Nov 29, 2007, 02:33 PM
    Thermostate Wiring gone wrong
    I accidentally rippped the lettering off the wiring when taking off the dead thermostate. Anyway, I have only 2 wires coming out of the wall: White and Black. (I do not have an Air conditioner). What colour wire goes to the RH (heat power) and W (Heater control line)?

    Will I do damage to my new tstat if I guess?

    I have heat for now because I connect the two (black and white) together and it runs continuously.

    My furnace is about 40 years old and my new tstat is a "ritetemp 8022C".
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 29, 2007, 02:57 PM
    It does not make a real difference because you only have a 2 wire sysyem. If it is a new digital thermostat you will probably have to pull a third wire.
    nocab_bits's Avatar
    nocab_bits Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Nov 30, 2007, 09:28 AM
    Done, I put the white on the R and the black on the W... worked fine... no 3rd wire required
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