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  1. #1
    Join Date
    Apr 2010
    Location
    Richmond, Virginia
    Posts
    311

    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
    25,547
    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
    384
    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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