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  1. #1
    GirishJoseph's Avatar
    GirishJoseph Guest

    compressor chanaging

    We have one compressor Rack.

    connected with 3 nos of 5KW Scroll Compressor. at -36 Evaporation and 45degree condensing Pressure. Gas 404A.

    In this rack one compressor got failed.

    Qus< I have to replace the compressor with hermetice sealed.
    If i am puting the oil sepeator and NRV on the compressor dischagre will be work or Not.

    New compressor I have to use Danfoss.

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  2. #2
    Join Date
    May 2006
    Location
    India
    Age
    74
    Posts
    400
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    18

    Re: compressor chanaging

    Your rack system appears to have only one oil separator on an application of minus 36 system . Have you found out the reasons for compressor failure ??? Probably you will have oil return issue since only one comp is with o/s ....

  3. #3
    Join Date
    May 2006
    Location
    India
    Age
    74
    Posts
    400
    Rep Power
    18

    Re: compressor chanaging

    Nrv valves are normally reqd on each comp on a rack system ...... Besides oil management system to ensure oil return to compressor is essential .........

  4. #4
    Join Date
    Aug 2006
    Location
    England
    Posts
    495
    Rep Power
    21

    Re: compressor chanaging

    hi you need a oil balance line between the 3 compressors and the danfoss or any other scroll compressor has an built in nrv after the discharge side with in the compressor head to avoid back spin and damage the compressor

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