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  1. #1
    Join Date
    May 2012
    Location
    Southern Maryland
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    Changing the sensors on a TRANE RTAA screw chiller

    I have a 70 Ton RTAA chiller and I need to replace the refrigerant temp sensors. I have the sensors, the question is, are the sensors in dry wells or are we pumping down and recovering refrigerant to replace them? The manual was great on troubleshooting but is a little weak on the rest. Any help would be appreciated.

  2. #2
    Join Date
    Jan 2008
    Location
    East of big city prices.
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    3,750
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    Not in wells pump it down and be safe.

  3. #3
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
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    Quote Originally Posted by Dallas Duster View Post
    Not in wells pump it down and be safe.
    What he said.

  4. #4
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
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    In the IOM pages 125-126 there is a high side and low side repair procedure for getting refrigerant moved around where you need it. Good luck.

  5. #5
    Join Date
    Feb 2010
    Location
    MEXICO
    Posts
    480
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    have to do a pumpdown

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