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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: 8,687
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

    • Replies: 3
    • Views: 1,123
    07-15-2015, 03:32 PM Go to last post
  2. How get oil back to compressor

    Started by GBerry, 07-13-2015 08:46 PM
    • Replies: 7
    • Views: 827
    07-14-2015, 09:40 PM Go to last post
  3. Trane ECM Blower

    Started by Gamecocksc, 07-13-2015 01:16 PM
    • Replies: 3
    • Views: 560
    07-14-2015, 06:48 PM Go to last post
  4. Seimens PXC24

    Started by Angry Bald Man, 07-14-2015 12:40 PM
    • Replies: 0
    • Views: 293
    07-14-2015, 12:40 PM Go to last post
    • Replies: 4
    • Views: 823
    07-14-2015, 11:00 AM Go to last post
  5. bypassing expensive control boards on rtu's

    Started by burto, 07-10-2015 07:40 PM
    • Replies: 11
    • Views: 1,085
    07-14-2015, 10:08 AM Go to last post
  6. 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: 15,719
    07-14-2015, 09:28 AM Go to last post
    • Replies: 10
    • Views: 746
    07-13-2015, 03:02 PM Go to last post
  7. Shell Calculation

    Started by hvacdave1962, 07-13-2015 01:36 PM
    • Replies: 2
    • Views: 437
    07-13-2015, 01:48 PM Go to last post
    • Replies: 7
    • Views: 704
    07-13-2015, 12:39 PM Go to last post
  8. Mitsubishi Mini Split system PUY- A12NHA3

    Started by Schisler, 07-08-2015 04:59 PM
    • Replies: 5
    • Views: 695
    07-13-2015, 07:55 AM Go to last post
  9. YMGI

    Started by Rane69, 07-09-2015 08:37 AM
    • Replies: 2
    • Views: 484
    07-11-2015, 03:42 PM Go to last post
  10. How to check for proper ground?

    Started by Junior1983, 07-04-2015 06:21 PM
    • Replies: 10
    • Views: 1,380
    07-09-2015, 09:06 PM Go to last post
  11. Semi hermetic oil issue

    Started by len088, 07-07-2015 10:31 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,176
    07-09-2015, 06:05 PM Go to last post
  12. 3 port scroll compressor?

    Started by obieone, 06-27-2015 09:26 AM
    • Replies: 9
    • Views: 986
    07-09-2015, 07:45 AM Go to last post
  13. Hmm AC question

    Started by drage93, 07-07-2015 12:25 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,083
    07-09-2015, 04:25 AM Go to last post
  14. Return inside of Supply Plenum???

    Started by tranger03, 07-07-2015 07:54 PM
    • Replies: 9
    • Views: 1,106
    07-08-2015, 01:45 PM Go to last post
  15. service check list card

    Started by ryan79, 07-07-2015 09:45 PM
    • Replies: 6
    • Views: 720
    07-08-2015, 11:41 AM Go to last post
  16. R410A Normal Head pressure 100 degree Ambient temp?

    Started by Junior1983, 07-04-2015 02:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,852
    07-08-2015, 08:11 AM Go to last post
  17. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 5,530
    07-08-2015, 12:26 AM Go to last post
  18. Question about Trane 20 ton dehum unit

    Started by mortatort, 07-07-2015 02:35 PM
    • Replies: 0
    • Views: 393
    07-07-2015, 02:35 PM Go to last post
  19. electric VAV

    Started by poptop22, 07-01-2015 09:51 AM
    • Replies: 3
    • Views: 621
    07-07-2015, 09:23 AM Go to last post
  20. TRANE Mini split (Error code 6) Help!

    Started by Junior1983, 07-04-2015 12:26 AM
    • Replies: 5
    • Views: 3,978
    07-06-2015, 11:13 PM Go to last post
  21. So I went ona call

    Started by lytning, 07-05-2015 03:37 PM
    • Replies: 8
    • Views: 1,184
    07-06-2015, 08:52 PM Go to last post
  22. Artificial Intelligence opinion

    Started by mccann, 06-28-2015 06:13 PM
    • Replies: 11
    • Views: 891
    07-06-2015, 11:26 AM Go to last post
  23. Liebert split...weird symptoms - need advice

    Started by slick101, 06-28-2015 10:09 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,837
    07-02-2015, 07:26 PM Go to last post
  24. Old Tran Condensing Unit

    Started by nick5909, 07-02-2015 02:05 PM
    • Replies: 1
    • Views: 440
    07-02-2015, 02:45 PM Go to last post
    • Replies: 4
    • Views: 701
    07-02-2015, 11:41 AM Go to last post
  25. York Simplicity

    Started by corny, 06-26-2015 04:12 AM
    • Replies: 9
    • Views: 1,485
    07-01-2015, 11:23 PM Go to last post
  26. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    • Replies: 10
    • Views: 1,197
    07-01-2015, 08:53 PM Go to last post
  27. Walk in freezer defrost cycle question

    Started by Maven445, 11-28-2011 10:09 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 9,378
    07-01-2015, 11:49 AM Go to last post
  28. Trane GEHE Water source heat pump

    Started by NDserviceman, 06-18-2015 11:00 PM
    • Replies: 6
    • Views: 764
    07-01-2015, 10:01 AM Go to last post
    • Replies: 0
    • Views: 343
    07-01-2015, 09:48 AM Go to last post
  29. Piping Compressor oil lines

    Started by Push It, 06-26-2015 10:33 AM
    • Replies: 12
    • Views: 989
    06-30-2015, 09:12 PM Go to last post
  30. Trane CGAM chiller flow switch

    Started by texast, 09-25-2013 05:09 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,402
    06-30-2015, 08:30 AM Go to last post
  31. 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: 2,437
    06-30-2015, 06:10 AM Go to last post
  32. Confused Carrier 48TFD006 contactor issue.

    Started by GameWorkRepeat, 06-29-2015 11:48 AM
    • Replies: 2
    • Views: 509
    06-29-2015, 12:23 PM Go to last post
  33. emerson 5ex exv troubleshooting

    Started by hvac17011, 06-26-2015 09:31 PM
    • Replies: 2
    • Views: 559
    06-29-2015, 05:11 AM Go to last post
  34. 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: 1,458
    06-28-2015, 11:40 PM Go to last post
  35. 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: 11,235
    06-28-2015, 11:28 AM Go to last post
    • Replies: 1
    • Views: 604
    06-28-2015, 10:52 AM Go to last post
  36. Confused Trance 60 ton condenser

    Started by acrtech, 06-15-2015 05:56 PM
    • Replies: 7
    • Views: 964
    06-28-2015, 12:06 AM Go to last post
  37. Smardt Chiller Repair - Turbocor

    Started by manny238, 03-20-2013 03:21 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 5,421
    06-26-2015, 09:23 PM Go to last post
  38. Mammoth- FuSheng compressors

    Started by chi 597, 06-22-2015 01:09 PM
    • Replies: 1
    • Views: 526
    06-26-2015, 09:15 PM Go to last post
  39. Yaskawa over 60 hz

    Started by smsmechanical, 06-24-2015 08:27 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,345
    06-26-2015, 02:57 PM Go to last post
  40. YORK YPAL050 Optilogic stuck in self checking mode.

    Started by cfe, 06-23-2015 09:32 PM
    • Replies: 1
    • Views: 395
    06-24-2015, 11:15 PM Go to last post
  41. REFCO condensate pump mini split

    Started by Junior1983, 06-22-2015 10:33 PM
    • Replies: 3
    • Views: 911
    06-24-2015, 09:11 PM Go to last post
  42. Baltimore air coil

    Started by Alantoy13, 06-24-2015 07:22 PM
    • Replies: 0
    • Views: 429
    06-24-2015, 07:22 PM Go to last post
  43. Big news?

    Started by lytning, 06-24-2015 04:38 PM
    • Replies: 3
    • Views: 772
    06-24-2015, 06:57 PM Go to last post
  44. Ac compressor explosion

    Started by kefah, 06-22-2015 09:50 AM
    • Replies: 8
    • Views: 1,668
    06-24-2015, 01:45 PM Go to last post

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