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  1. #1
    Join Date
    Oct 2012
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    Question Honeywell S7760 or XL15A Controller

    Has anyone worked with the Honeywell XL15A commercial controller? I have taken over a building that has one of these and i am having trouble finding any operation manuals for this system. I have a zone that is not showing up on the controller and cannot find any troubleshooting information anywhere.

  2. #2
    Join Date
    Jun 2006
    New Jersey
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    S7760 is the display and the XL15a in a Building Manager. Do you have Lonspec? That zone is another controller, does it have power?

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