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  1. #66
    Join Date
    Sep 2019
    Posts
    4
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    According to York they stated 24 volts runs through the heat limit and back to the board where it monitors it regardless of heat call or cooling. I found it weird as well. But issue went away, will update upon switch replacement if it happened again prior to returning.

    If you ain't have time to do it right, then you must have the time to do it twice. 😊

  2. #67
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    31,459
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    Quote Originally Posted by FixitFelix View Post
    According to York they stated 24 volts runs through the heat limit and back to the board where it monitors it regardless of heat call or cooling.
    ....and that is what you call a bad design.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

    AOP Forum Rules:







  3. #68
    Join Date
    Sep 2019
    Location
    Joliet, Il.
    Posts
    1
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    May I have a copy of the manual as well?

  4. #69
    Join Date
    Sep 2019
    Posts
    4
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    Don’t have one I’ll try get a schematic. Haven’t been back, another technician replaced the switch, unit hasn’t been down since, been over a month.

  5. #70
    Join Date
    Nov 2019
    Posts
    1
    Post Likes

    Access to manual?

    I can not access this manual. I am dealing with a multiple call back on a York RTU which is erroneously engaging the heat cycle.. and full heat cycle in which valve opens and igniter is lighting?

  6. #71
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    31,459
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    What have you tested so far?

    What were the results?
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

    AOP Forum Rules:







  7. #72
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    31,459
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    Quote Originally Posted by Drae K. Osburn View Post
    I can not access this manual. I am dealing with a multiple call back on a York RTU which is erroneously engaging the heat cycle.. and full heat cycle in which valve opens and igniter is lighting?
    One more thing.

    Please do not post your need in someone else's thread.

    Next time, start your own. Give the model, serial, etc, and state your issue.

    Thanks.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

    AOP Forum Rules:







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