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  1. #1
    Join Date
    May 2008
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    Siebe CP-9302 Valve Controls

    Got a call to fix a Siebe valve. The valve obviously never worked due to the linkage, but on top of that, the wiring is FUBARed. No wire label on the unit. I pulled a diagram from the web, but I'm still scratching my head. The controller is sending the proper 4-20mA signal. Question is which two wires do I land my current on? From the diagram it SEEMS obvious.

    CP-9302 PDF

  2. #2
    Join Date
    Jun 2009
    StL, MO
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    The obvious ones. The installation manual in the following link has lots of footnotes (gotchas). FWIW, we had a pretty high failure rate of these in the early 90s, but the replacements have held up fine.
    UA LU 562

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