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  1. #1
    Join Date
    Apr 2010
    Location
    Richmond, Virginia
    Posts
    320
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    R22 Margaux Rack

    What should the desuperheater ci and co be set at? R22 Low temp.

  2. #2
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    26,293
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    Well, what are we desuperheating, here?

    Are we using liquid injection into the suction line to control discharge line temp?

    Are we desuperheating suction gas?

    I've worked on Margaux racks without a desuperheater and other racks with a desuperheater.

    It's not a two-stage rack, is it?

  3. #3
    Join Date
    Nov 2009
    Posts
    387
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    I service a Margaux LT r22 rack with suction desuperheating. Is this what you have???

    The desuperheaters are operated by two circuits from a medium temp rack. The LT rack is a split header, therefore two desuperheaters. They are spec'ed and set to +11f SST.
    "Don't wish it were easier, wish you were better"

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