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Forum: Tech to Tech Chat - Commercial

FOR TECHNICAL CHAT BETWEEN INDUSTRY WORKERS ONLY. NO AOP OR DIY** This forum is for Technical Chat in the Commercial Industry and only within the limits of the Open area Rules concerning DIY. Any technical chat that goes too far will be removed or moved to the Pro Area.

  1. Sticky Thread Sticky Threads

  2. Sticky Thread NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 10,552
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

    • Replies: 4
    • Views: 1,031
    07-14-2015, 11:00 AM Go to last post
  2. bypassing expensive control boards on rtu's

    Started by burto, 07-10-2015 07:40 PM
    • Replies: 11
    • Views: 1,479
    07-14-2015, 10:08 AM Go to last post
  3. Diagnosing a Weak Compressor

    Started by BBeerme, 06-08-2014 08:00 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 104
    • Views: 19,890
    07-14-2015, 09:28 AM Go to last post
    • Replies: 10
    • Views: 1,020
    07-13-2015, 03:02 PM Go to last post
  4. Shell Calculation

    Started by hvacdave1962, 07-13-2015 01:36 PM
    • Replies: 2
    • Views: 623
    07-13-2015, 01:48 PM Go to last post
    • Replies: 7
    • Views: 818
    07-13-2015, 12:39 PM Go to last post
  5. Mitsubishi Mini Split system PUY- A12NHA3

    Started by Schisler, 07-08-2015 04:59 PM
    • Replies: 5
    • Views: 1,047
    07-13-2015, 07:55 AM Go to last post
  6. YMGI

    Started by Rane69, 07-09-2015 08:37 AM
    • Replies: 2
    • Views: 604
    07-11-2015, 03:42 PM Go to last post
  7. How to check for proper ground?

    Started by Junior1983, 07-04-2015 06:21 PM
    • Replies: 10
    • Views: 1,857
    07-09-2015, 09:06 PM Go to last post
  8. Semi hermetic oil issue

    Started by len088, 07-07-2015 10:31 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,097
    07-09-2015, 06:05 PM Go to last post
  9. 3 port scroll compressor?

    Started by obieone, 06-27-2015 09:26 AM
    • Replies: 9
    • Views: 1,603
    07-09-2015, 07:45 AM Go to last post
  10. Hmm AC question

    Started by drage93, 07-07-2015 12:25 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,980
    07-09-2015, 04:25 AM Go to last post
  11. Return inside of Supply Plenum???

    Started by tranger03, 07-07-2015 07:54 PM
    • Replies: 9
    • Views: 1,597
    07-08-2015, 01:45 PM Go to last post
  12. service check list card

    Started by ryan79, 07-07-2015 09:45 PM
    • Replies: 6
    • Views: 1,086
    07-08-2015, 11:41 AM Go to last post
  13. R410A Normal Head pressure 100 degree Ambient temp?

    Started by Junior1983, 07-04-2015 02:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 6,858
    07-08-2015, 08:11 AM Go to last post
  14. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 7,918
    07-08-2015, 12:26 AM Go to last post
  15. Question about Trane 20 ton dehum unit

    Started by mortatort, 07-07-2015 02:35 PM
    • Replies: 0
    • Views: 477
    07-07-2015, 02:35 PM Go to last post
  16. electric VAV

    Started by poptop22, 07-01-2015 09:51 AM
    • Replies: 3
    • Views: 800
    07-07-2015, 09:23 AM Go to last post
  17. TRANE Mini split (Error code 6) Help!

    Started by Junior1983, 07-04-2015 12:26 AM
    • Replies: 5
    • Views: 10,626
    07-06-2015, 11:13 PM Go to last post
  18. So I went ona call

    Started by lytning, 07-05-2015 03:37 PM
    • Replies: 8
    • Views: 1,682
    07-06-2015, 08:52 PM Go to last post
  19. Artificial Intelligence opinion

    Started by mccann, 06-28-2015 06:13 PM
    • Replies: 11
    • Views: 1,131
    07-06-2015, 11:26 AM Go to last post
  20. Liebert split...weird symptoms - need advice

    Started by slick101, 06-28-2015 10:09 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,502
    07-02-2015, 07:26 PM Go to last post
  21. Old Tran Condensing Unit

    Started by nick5909, 07-02-2015 02:05 PM
    • Replies: 1
    • Views: 536
    07-02-2015, 02:45 PM Go to last post
    • Replies: 4
    • Views: 1,115
    07-02-2015, 11:41 AM Go to last post
  22. York Simplicity

    Started by corny, 06-26-2015 04:12 AM
    • Replies: 9
    • Views: 2,484
    07-01-2015, 11:23 PM Go to last post
  23. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    • Replies: 10
    • Views: 2,020
    07-01-2015, 08:53 PM Go to last post
  24. Walk in freezer defrost cycle question

    Started by Maven445, 11-28-2011 10:09 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 11,930
    07-01-2015, 11:49 AM Go to last post
  25. Trane GEHE Water source heat pump

    Started by NDserviceman, 06-18-2015 11:00 PM
    • Replies: 6
    • Views: 1,337
    07-01-2015, 10:01 AM Go to last post
    • Replies: 0
    • Views: 406
    07-01-2015, 09:48 AM Go to last post
  26. Piping Compressor oil lines

    Started by Push It, 06-26-2015 10:33 AM
    • Replies: 12
    • Views: 1,457
    06-30-2015, 09:12 PM Go to last post
  27. Trane CGAM chiller flow switch

    Started by texast, 09-25-2013 05:09 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 4,963
    06-30-2015, 08:30 AM Go to last post
  28. Copland Semi Hermetic Head temp. too high Protector trip

    Started by raceway01, 04-18-2015 01:33 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,143
    06-30-2015, 06:10 AM Go to last post
  29. Confused Carrier 48TFD006 contactor issue.

    Started by GameWorkRepeat, 06-29-2015 11:48 AM
    • Replies: 2
    • Views: 617
    06-29-2015, 12:23 PM Go to last post
  30. emerson 5ex exv troubleshooting

    Started by hvac17011, 06-26-2015 09:31 PM
    • Replies: 2
    • Views: 723
    06-29-2015, 05:11 AM Go to last post
  31. Question Why Condenser fan short cycling when compressor is still on?

    Started by jumstar, 06-26-2015 09:21 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,781
    06-28-2015, 11:40 PM Go to last post
  32. Compressor not starting.

    Started by Rick Dreyer, 04-29-2015 01:02 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 14,885
    06-28-2015, 11:28 AM Go to last post
    • Replies: 1
    • Views: 939
    06-28-2015, 10:52 AM Go to last post
  33. Confused Trance 60 ton condenser

    Started by acrtech, 06-15-2015 05:56 PM
    • Replies: 7
    • Views: 1,334
    06-28-2015, 12:06 AM Go to last post
  34. Smardt Chiller Repair - Turbocor

    Started by manny238, 03-20-2013 03:21 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 6,881
    06-26-2015, 09:23 PM Go to last post
  35. Mammoth- FuSheng compressors

    Started by chi 597, 06-22-2015 01:09 PM
    • Replies: 1
    • Views: 694
    06-26-2015, 09:15 PM Go to last post
  36. Yaskawa over 60 hz

    Started by smsmechanical, 06-24-2015 08:27 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,937
    06-26-2015, 02:57 PM Go to last post
  37. YORK YPAL050 Optilogic stuck in self checking mode.

    Started by cfe, 06-23-2015 09:32 PM
    • Replies: 1
    • Views: 491
    06-24-2015, 11:15 PM Go to last post
  38. REFCO condensate pump mini split

    Started by Junior1983, 06-22-2015 10:33 PM
    • Replies: 3
    • Views: 1,233
    06-24-2015, 09:11 PM Go to last post
  39. Baltimore air coil

    Started by Alantoy13, 06-24-2015 07:22 PM
    • Replies: 0
    • Views: 525
    06-24-2015, 07:22 PM Go to last post
  40. Big news?

    Started by lytning, 06-24-2015 04:38 PM
    • Replies: 3
    • Views: 1,025
    06-24-2015, 06:57 PM Go to last post
  41. Ac compressor explosion

    Started by kefah, 06-22-2015 09:50 AM
    • Replies: 8
    • Views: 3,036
    06-24-2015, 01:45 PM Go to last post
  42. a32 vs oxy

    Started by t2, 06-17-2015 05:43 PM
    • Replies: 9
    • Views: 1,637
    06-23-2015, 11:16 PM Go to last post
  43. Confused Hot weather comfortable clothing recommendations.

    Started by Junior1983, 06-17-2015 10:49 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,094
    06-22-2015, 07:23 PM Go to last post
  44. Hmm Fujitsu Multi Split Troubles

    Started by plumadkl, 05-29-2012 02:30 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 6,575
    06-22-2015, 04:45 PM Go to last post
  45. Trane swua 30ton

    Started by gravity, 06-16-2015 10:27 PM
    • Replies: 5
    • Views: 1,229
    06-21-2015, 11:34 PM Go to last post

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