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Thread: True Freezer Suction line freezing

  1. 02-25-2021, 08:21 PM #21
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    I see a big pipe in the photo.
    I do a triple evac with nitro to remove non condensables.
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  3. 02-26-2021, 08:34 AM #22
    indy2000
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    which pic are you referring to?
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  4. 02-26-2021, 09:02 AM #23
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    Quote Originally Posted by indy2000 View Post
    which pic are you referring to?
    I'll A S S U M E the #18 green.................... what's that a Scroll?
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  5. 02-26-2021, 09:04 AM #24
    indy2000
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    75HP bitzer twin screw

    1 of 4 on a parallel rack driving a spiral blast freezer
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  7. 02-26-2021, 10:47 AM #25
    indy2000
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    we call this integral

    oil cooling
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  8. 02-26-2021, 10:50 AM #26
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    I ment screw. Too early in the AM
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  9. 02-26-2021, 10:54 AM #27
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    .
    Attached Images Attached Images  
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  10. 02-26-2021, 11:03 AM #28
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    This one ?Name: Screenshot_20210226-110149.png Views: 311 Size: 1.52 MB
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  12. 02-26-2021, 02:56 PM #29
    indy2000
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    HSN
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  13. 02-26-2021, 02:57 PM #30
    indy2000
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    Quote Originally Posted by VTP99 View Post
    .
    have a couple of those on ferries
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  14. 02-26-2021, 02:58 PM #31
    indy2000
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    Quote Originally Posted by pecmsg View Post
    I ment screw. Too early in the AM
    TWIN screw
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  15. 02-26-2021, 04:54 PM #32
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    I can barely perform to a high standard with one screw, can't imagine satisfying a twin screw with that same performance.
    I do a triple evac with nitro to remove non condensables.
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  17. 02-26-2021, 04:58 PM #33
    indy2000
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    dont limit yourself

    expand your imagination!!
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  19. 02-26-2021, 07:38 PM #34
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    Been so long since I’ve even had to think about performing with 1 screw, two would liable to burn out the main.


    Sent from my iPhone using Tapatalk

    I can't fix it if it won't stay broke..
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  21. 03-10-2021, 02:52 PM #35
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    Update

    Quote Originally Posted by MMadatic View Post
    Ok Thanks for the help....
    Ran the freezer for 1 full week with no problems. temp of box was between -5 and -10 deg F. I unpluged it and and let it set for about 10 days. Just plugged it back in and the compressor made some unusual noise. It tripped twice and then started to run normally. It seems to be cooling properly. Any Ideas why it would trip at first start up???
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  22. 03-10-2021, 03:03 PM #36
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    9 ounces of charge over the nameplate.
    You have a cro valve?
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  23. 03-10-2021, 03:04 PM #37
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    What exactly is tripping?
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  24. 03-10-2021, 03:12 PM #38
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    Quote Originally Posted by MMadatic View Post
    Ran the freezer for 1 full week with no problems. temp of box was between -5 and -10 deg F. I unpluged it and and let it set for about 10 days. Just plugged it back in and the compressor made some unusual noise. It tripped twice and then started to run normally. It seems to be cooling properly. Any Ideas why it would trip at first start up???
    Excessive back pressure. You need a Crankcase Pressure regulator!
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  25. 03-10-2021, 03:33 PM #39
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    Quote Originally Posted by itsiceman View Post
    What exactly is tripping?
    The overload protector is tripping. It clicks off for about 5 secs than back on.
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  26. 03-10-2021, 03:41 PM #40
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    Quote Originally Posted by MMadatic View Post
    The overload protector is tripping. It clicks off for about 5 secs than back on.
    Its tripping because the back pressure is to high causing excessive amperage. Its also not doing the start parts any good!

    Whats the max amperage for that pump? You set the CPR valve to limit the back pressure to just below that #!
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