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

    Mar 8, 2012, 07:43 AM
    White Pogers type 1F56W-444 thermostat
    I am removing the above thermostat and replacing with honeywell RTHL2510C. What is correct wiring?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
     
    #2

    Mar 8, 2012, 10:35 AM
    Letter Use Color (differs between manufacturers)
    R heating power red
    C common wire from secondary side of cooling system transformer or heat only system transformer changes
    Rh power for heating changes
    Rc power for cooling changes
    Y cooling; cooling and heating on a heat pump; compressor relay yellow
    W heat relay (W1, W2) white
    G fan relay green
    O cooling changeover orange
    B heating changeover blue or orange
    X common side of transformer, needed on some electronic thermostats blue, brown, or black
    E emergency heat relay on a heat pump blue, pink, gray, or tan
    T outdoor anticipator reset tan or gray
    W2 second stage of heat pink or other
    Y2 second compressor stage blue or pink
    L indicator lamp blue, brown, tan, or gray
    X2 second stage of electric heat black
    F for systems that control fan in a call for heat none

    Back to Thermostat Guide >>>



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