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

    Aug 23, 2008, 09:34 AM
    Thermostat instaliton not working
    Hi I am trying to hook up a new honey well digatal thermostat for my mom the old themostat had these colors

    R= Red wire
    O= Orange wire
    E= Yellow wire
    C= Blue wire
    W2=White wire was hooked to W-2 and L
    Green= Green wire
    L= was jumped to W-2

    New Stat is hook this way

    C=Blue wire
    G= Green wire
    Y= Empty
    O/B=Orange
    RC= Jumped to red
    R= Red Wire
    W-2= White Wire Jumped to L
    E= Yellow wire
    L= White wire jumped to W2

    The problem I'm havins is fan the ac the heat nothing will come on breaker is not tripped please help me soon its getting very hot down here
    Wizzap's Avatar
    Wizzap Posts: 2, Reputation: 1
    New Member
     
    #2

    Aug 23, 2008, 10:05 AM
    Sorry for double post could not find the edit button I hooked the old one back up and it will not even cut the unit on now could we have tripped a breaker inside the ac itself the main breaker is not tripped
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
     
    #3

    Aug 23, 2008, 02:20 PM
    Your Yellow wire should have been on Y on the new thermostat. White wire to W2 with a jump to E. If it's a newer system you may have just blown a simple automotive fuse on the control board in the furnace. If it's a real old system you may have to replace the transformer. Turn power off to system before replacing thermostat if not you will pop the transformer or fuse every time.

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