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  1. #1
    Join Date
    Sep 2004
    Location
    Long Island, New York
    Posts
    20

    Confused old york heat pumpswith logic module

    need some assistance from someone with alot more time in the field than I.
    Having issues with old yok heat pump logic module, I also do not have the analyzer that was used to troubleshoot this unit. Cannot get the contactor to energize for "y" jumped out all within the circuit;signal from stat present. Is there something within board locking me out. HELP
    Model #B1SP90E02025FDB

  2. #2
    Join Date
    Apr 2008
    Location
    Pluto
    Posts
    974
    I'm very familiar with the old York logic modules. The question I have for you is have you applied for professional membership yet? If you are in the trade, please do so. Then I can help you. As it stands, there is no do it yourself here, and it would be easier to help you if you had pro status here.
    nagakatta yo mou sukoshi de atatakai hizashi abireru, honto wa gutto koraete'ta jibun ni dake wa makenai you ni, nagakatta yo mou sukoshi de atatakai hizashi abireru, hanarete sugoshiita jikan ga samishiku nakatta to ittara uso ni naru...

    Not as lean, not as mean, but I'm still a hardcore, ass-kicking, hard charging Marine! Oohrah!

  3. #3
    Join Date
    Jun 2007
    Location
    The Twilight Zone
    Posts
    2,964
    Enthalpy (H) = U + Pv

    I miss thermodynamics.

  4. #4
    Join Date
    Sep 2004
    Location
    Long Island, New York
    Posts
    20
    Mr Chesapeake,
    thank you for your response. I just applied for pro membership. If it helps I am a service tech for Emcor Services NY/NJ and a member of local 638 here in New York. I will wait to see what happens with my membership. I am looking forward to pick your brain on this particular unit. thanks

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