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  • Jun 7, 2008, 10:19 AM
    natalston
    matching the wires
    I need wiring instructions. I have a Trane Weathertron thermostat and I want to replace with a Honeywell RTH7400. The Trane Weathertron terminals are as follows:
    B= Blue
    X2=Black
    W= White
    T= Brown
    G= Green
    O= Orange
    Y= Yellow
    R= Red

    The Terminals on the Honeywell RTH7400 are:

    C
    G
    Y
    O/B
    AC
    R
    W2
    Y2

    I need to know which wires go to the RTH7400 terminals
  • Jun 7, 2008, 11:54 AM
    hvac1000
    1 Attachment(s)
    Quote:
    Originally Posted by natalston
    I need wiring instructions. I have a Trane Weathertron thermostat and I want to replace with a Honeywell RTH7400. The Trane Weathertron terminals are as follows:
    B= Blue
    X2=Black
    W= White
    T= Brown
    G= Green
    O= Orange
    Y= Yellow
    R= Red

    The Terminals on the Honeywell RTH7400 are:

    C
    G
    Y
    O/B
    AC
    R
    W2
    Y2

    I need to know which wires go to the RTH7400 terminals
    Here you go.

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