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Thread: X D X HELP!!!

  1. #1
    Join Date
    Apr 2004
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    Ok, I ran a call today; the walk in temp was 50 deg.
    Frozen coil! I looked to check the TXV and I didn’t
    see one in the evap.

    I now understand the entire rack system is controled
    by an XDX controler system.

    With zero Info on this cold zone rack system, I now seek
    any and all Info on this system.

    I can not stand being In the dark on something like this.
    I will visit the cold zone web site and, check
    other search engines.

    But I would like any info you guys could come up with.

  2. #2
    Join Date
    Jul 2000
    Guayaquil, EC
    Post Likes
    The only XDX deal I'm aware of is the magic "Black Box" that's installed after the TXV. Have they expanded their abilities?

    Here's a link to an old thread that contains a link to an even older thread about XDX:

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