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  1. 06-16-2007, 10:55 AM #1
    rademan11
    rademan11 is offline Regular Guest
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    Apr 2005
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    Trane touch screen Tstat.

    I have a Trane Tcont802as32daa touch screen Tstat. It is the same as my honeywell Th8320(pro 8000). My problem is that Trane uses terminals R, Rc,O,Y,G, B, / Y2,F, X2,W1,S1,S2.
    My qustion is that there is no C for common. which terminal does Trane use for common?
    Also, what do they use F and X2 for?
    Thanks for any help,
    David
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  2. 06-16-2007, 10:59 AM #2
    Ed Janowiak's Avatar
    Ed Janowiak
    Ed Janowiak is offline Professional Member
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    B is common
    Fault is for a fault light
    X2 is the signal from outside during defrost to tell the aux heat to run.
    Ed J
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  3. 06-16-2007, 11:03 AM #3
    rademan11
    rademan11 is offline Regular Guest
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    Thanks
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