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Thread: 2-Stage Cascade Project

  1. #1
    Registered User
    Join Date
    Jun 2007
    Posts
    76

    2-Stage Cascade Project

    Its time for the next step in Phase Change cooling, so decided to build a 2 Stage Cascade.

    It will consist of:

    1st Stage

    - Mitsubishi RE313VDMT Rotary 18k BTU/31.3cc
    - 3KW Condenser 43x38x17CM
    - 30cm Fan 25Watt
    - 1.1L Receiver
    - Danfoss TS2 TEV metering device
    - Danfoss Eliminator molecular filter 1/4''
    - Danfoss KP17 Pressostat
    - Sight Glass
    - Hi/Lo Manometers
    - XMT7100 Thermometer
    - R404a

    1st and 2nd Stage will meet in an 40Plate HX

    2nd Stage

    - Mitsubishi RE207VHSMT Rotary 12k BTU/20.7cc
    - Oil Separator 1/2''
    - Danfoss Eliminator molecular filter 1/4''
    - Danfoss KP17 Pressostat
    - BartX 54mm Evaporator
    - Tecumseh 2.35L Expansion Tank
    - Hi/Lo Manometers
    - XMT 7100 Thermometer
    - R1150

    Cascade will build in a 52x75cm Base Plate









    Last edited by Obijuan83; 03-31-2021 at 01:24 AM.

  2. #2
    Xtreme Member
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    Oct 2004
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    The Netherlands
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    You have some really awesome parts, good luck with the build!

  3. #3
    Registered User
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    Jun 2007
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    76
    Some progress




  4. #4
    Registered User
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    Jun 2007
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    Some electric components arrived






  5. #5
    Xtreme Member
    Join Date
    Oct 2004
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    The Netherlands
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    194
    Very clean looking, you're making good progress on the build! What temps and load are you aiming to achieve?

  6. #6
    Registered User
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    Jun 2007
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    Thanks, I would like to have -115C idle/-100C Load @ 350-400w.

    A little more progress





    And the thermostat for automatic power on the 2nd stage when 1st stage goes down to -40C

    Last edited by Obijuan83; 04-11-2021 at 01:57 PM.

  7. #7
    Registered User
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    Jun 2007
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    76
    First stage is ready





    Also progress to 2nd stage, waiting for evaporator.


  8. #8
    Registered User
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    Jun 2007
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    76
    Protective frame




  9. #9
    Administrator
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    Nov 2007
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    Stockton, CA
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    3,557
    Man thats a very nice clean build !

  10. #10
    Xtreme Owner Charles Wirth's Avatar
    Join Date
    Jun 2002
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    Las Vegas
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    12,366
    I wish I put more time into making mine look nice, people are kinda shocked at how frankenstein mine looks. A really nice build
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  11. #11
    Registered User
    Join Date
    Jun 2007
    Posts
    76
    Thanks, its a really compact cascade, a bit tricky to fit them all in 50x70cm base but I am used to work in limited space ( human abdomen )

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