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  1. Replies
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    Well I have not tried that. I fairly certain...

    Well I have not tried that.
    I fairly certain the compressor starts fully loaded so I did not suspect the unloader was causing the problem. If I'm wrong on that let me know
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    497

    Nope, this is a 2014 unit and the brackets are...

    Nope, this is a 2014 unit and the brackets are installed. However I did the same job in 2010 on another building at the same location. I'll have install these on that one
    Thank you
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    497

    Thanks I'm gonna check my email now

    Thanks I'm gonna check my email now
  4. Replies
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    497

    Typical rubber foot thru feet of compressors with...

    Typical rubber foot thru feet of compressors with sleeve and bolt.
    Unit has 2 compressors. Second stage starts normal
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    497

    New Carrier violent compressor starts

    Happy Dads day to all.
    Carrier 38APD030, brand new install with new AHU.
    1st stage digital scroll on start up snaps or torques wickedly on each start. Its like severe water hammer and the...
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    Micro_Channel_coils and the proper TXV

    Carrier and Trane have published that permanent bleed T.E.V.'s must be install when using their Condensor's with micro channel coils. Trane specs 30% bleed, Carrier specs 5% bleed.
    I have a york...
  7. Thread: Superheat

    by toptech
    Replies
    2
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    185

    If your measuring compressor superheat copeland...

    If your measuring compressor superheat copeland would be very happy with that number.
    If your evap is running 21f superheat your DA temp is probably high.
    need more info, pressures temps insulated...
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    • "Bleed port valves are used on RAUJ MCHE...

    • "Bleed port valves are used on RAUJ MCHE systems with fin tube DX evaporators. They have
    an internal port that shunts the refrigerant around the modulating portion of the valve."
    That came from...
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    Thanks dawg:)

    Thanks dawg:)
  10. Replies
    5
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    284

    Great question, this system has not been started...

    Great question, this system has not been started yet. All new equipment. Line sizing, distributors all sized properly.
    Control strategy is 4 stages based on supply air temperature.
    Again this...
  11. Replies
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    157

    Trane Application guide

    If anyone could share
    SS AGP-012-EN
    thank ya very much..
  12. Replies
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    284

    Preventive TV sizing

    I've got a real head scratcher here.
    It's one of those " I understand the logic but completely don't understand your logic" type of head scratches.
    Air conditioning application
    R410a
    Split...
  13. Thread: WSHP DP switch

    by toptech
    Replies
    14
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    384

    wow thats low DELTA-PRO PRESSURE SW. 1-10PSI is...

    wow thats low
    DELTA-PRO PRESSURE SW. 1-10PSI is all i buy. that boundle your working has a spec for pressure drop. you should be able throttle flow to achieve a 2-5 PD and use the swich you have....
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    729

    Yaskawa for me support is great free software...

    Yaskawa for me
    support is great
    free software avail online to commision any of there drives with no special cables required:)
  15. Replies
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    876

    wow

    wow
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    480

    Looking At suva's velocity chart for 404a we came...

    Looking At suva's velocity chart for 404a we came up with 3/4" for that riser, thank for your link:)
  17. Replies
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    480

    Thank you Twoholing:cheers:

    Thank you Twoholing:cheers:
  18. Replies
    6
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    480

    404a beer cooler @ 36F

    404a
    beer cooler @ 36F
  19. Replies
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    480

    suction line piping

    good evening
    Ive attached a sketch of an installation i have to do Saturday.
    single trap at evap do the job? This is the only route i have.
    Thoughts would be appreciated
    Thank you
  20. Replies
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    4,670

    i love this board. Klove sloved my issue before i...

    i love this board. Klove sloved my issue before i even asked!! thanks
  21. Thread: 9mm or not?

    by toptech
    Replies
    4,843
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    300,990

    The the state of Illinois, ugh To read out loud...

    The the state of Illinois, ugh
    To read out loud that the state of Illinois does not allow it's citizens to use deadly force against criminals who try to do us harm is infuriating. My choice for...
  22. Replies
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    29,496

    have you purchased the recharable batts and...

    have you purchased the recharable batts and charger?
    do they hold up?
  23. Replies
    53
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    22,707

    ISCEON MO99 compressor approval The Copeland...

    ISCEON MO99 compressor approval
    The Copeland Brand Product team has approved ISCEON
    MO99 for use in Supermarket applications using Discus
    Brand compressors
    See 93-11 document located at...
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    816

    Ive seen the reznor set up fairly simple and...

    Ive seen the reznor set up
    fairly simple and they use an FX controller for all unit operation.
  25. Replies
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    Copeland states it voids their compressor...

    Copeland states it voids their compressor warranties. united refrigeration has literature they hand out regarding this subject.
    i did not know it had a 10F glide, thats a deal breaker for me.
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