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Thread: Reznor UDAP300

  1. #1
    Join Date
    May 2008
    Grand Rapids, MI
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    Reznor UDAP300

    Alright guys. I have a Reznor unit heater in a warehouse. I have 120 volts to the control board, 109 leaving the board going to the transformer. I swapped out the transformer, nothing. I swapped out teh board thinking maybe that small drop of voltage was enough to cause issues, still nothing. Think maybe I have a bad board out of the box. Any suggestions would be much appreciated.



  2. #2
    Join Date
    Aug 2009
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    What exactly is the problem? Even with 109 leaving you should still be O.K.. What is coming out of the transformer?

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