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

    Jul 28, 2013, 08:39 AM
    ASYSTAT655A to honeywell rth6350
    wiring question: Here's what I've concluded... but what do I to with the old brown wire connected to T?

    old new
    W Aux/E
    B (blue) not connected
    X2 (black) Aux/E
    Y Y
    G G
    O O/B
    T (brown) ?
    R R (leave jumper in)
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
    Ultra Member
    		  
    #2

    Jul 28, 2013, 12:43 PM
    x2 and w can't both go to aux, what is brown hooked to in the basement furnace? Blue need to be hooked to c or you wll be changing battries a lot, make sure it is hooked to c on furnace. I would say do not hook black up hook blue to c and white and brown to aux. but we need to see what brown is hooked to in furnace.
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