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-   -   Changing tstat from Honeywell T841A1712 with Lennox T8611g (https://www.askmehelpdesk.com/showthread.php?t=387196)

  • Aug 15, 2009, 03:31 PM
    cchav61590
    changing tstat from Honeywell T841A1712 with Lennox T8611g
    PLEASE need help-would like to change thermostat on my American Standard model WYC060F100AA heat pump. Current wiring on Honeywell T841A1712 thermostat is:
    X- BLACK WIRE
    R- RED WIRE
    G- GREEN WIRE
    W2-WHTE WIRE
    B-BLUE WIRE
    E-BROWN WIRE
    Y-YELLOW WIRE
    O-ORANGE WIRE

    New thermostat Lennox T8611G has: R,C,Y,B,L,X1,X2,G,E,W2 & O
    QUESTION? Should my connect be :
    OLD TSTAT-----------------------------NEW TSTAT
    X- BLACK WIRE ---------:confused:----------- X1- BLACK WIRE
    R- RED WIRE------------------------- R- RED WIRE
    G- GREEN WIRE---------------------- G- GREEN WIRE
    W2- WHITE WIRE---------------------- W2- WHITE WIRE
    B- BLUE WIRE-----------:confused:----------- C- BLUE WIRE
    E- BROWN WIRE--------------------- E- BROWN WIRE
    Y- YELLOW WIRE -------------------- Y- YELLOW WIRE
    O- ORANGE WIRE-------------------- O- ORANGE WIRE
    Thank you in advance for any and all assistance with this task!
    Charles
  • Aug 15, 2009, 06:45 PM
    jackhardy
    Yes
  • Aug 15, 2009, 08:08 PM
    wmproop
    What does the black wire go to on other end?
    The blue to c is right,I think, see if the blue goes to common in your furnace

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