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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: 10,636
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. 480v 3 ph to 240 single ph

    Started by tempdoc, 07-18-2015 11:04 PM
    • Replies: 3
    • Views: 701
    07-19-2015, 10:20 AM Go to last post
  3. mitsubishi citi multi help

    Started by licensed to chill, 07-16-2015 06:40 PM
    • Replies: 5
    • Views: 1,142
    07-18-2015, 09:36 AM Go to last post
  4. Carrier evap Coil Replacment time estimate

    Started by fixitguy, 07-17-2015 09:48 AM
    • Replies: 3
    • Views: 791
    07-18-2015, 12:37 AM Go to last post
  5. Copeland 8D compressor "BANG" WHAT!!!! ever seen this?

    Started by OhioTech, 06-26-2015 06:13 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 6,073
    07-17-2015, 07:05 PM Go to last post
  6. Lennox LGC150S4 Question

    Started by checkpoint, 07-16-2015 02:20 PM
    • Replies: 1
    • Views: 545
    07-17-2015, 12:47 AM Go to last post
    • Replies: 4
    • Views: 827
    07-16-2015, 10:19 PM Go to last post
  7. Condenser motor rotation problem 1 phase

    Started by cfe, 07-13-2015 11:19 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 3,037
    07-16-2015, 07:41 PM Go to last post
  8. Need help with voyager trane rooftops

    Started by derksquad, 03-18-2015 10:53 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,983
    07-16-2015, 01:57 PM Go to last post
  9. trane YCD048C4LCBE issues

    Started by Bald Menace, 07-14-2015 09:48 PM
    • Replies: 4
    • Views: 754
    07-15-2015, 08:06 PM Go to last post
    • Replies: 3
    • Views: 1,261
    07-15-2015, 03:32 PM Go to last post
  10. How get oil back to compressor

    Started by GBerry, 07-13-2015 08:46 PM
    • Replies: 7
    • Views: 1,224
    07-14-2015, 09:40 PM Go to last post
  11. Trane ECM Blower

    Started by Gamecocksc, 07-13-2015 01:16 PM
    • Replies: 3
    • Views: 752
    07-14-2015, 06:48 PM Go to last post
  12. Seimens PXC24

    Started by Angry Bald Man, 07-14-2015 12:40 PM
    • Replies: 0
    • Views: 362
    07-14-2015, 12:40 PM Go to last post
    • Replies: 4
    • Views: 1,059
    07-14-2015, 11:00 AM Go to last post
  13. bypassing expensive control boards on rtu's

    Started by burto, 07-10-2015 07:40 PM
    • Replies: 11
    • Views: 1,523
    07-14-2015, 10:08 AM Go to last post
  14. 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: 20,363
    07-14-2015, 09:28 AM Go to last post
    • Replies: 10
    • Views: 1,047
    07-13-2015, 03:02 PM Go to last post
  15. Shell Calculation

    Started by hvacdave1962, 07-13-2015 01:36 PM
    • Replies: 2
    • Views: 636
    07-13-2015, 01:48 PM Go to last post
    • Replies: 7
    • Views: 834
    07-13-2015, 12:39 PM Go to last post
  16. Mitsubishi Mini Split system PUY- A12NHA3

    Started by Schisler, 07-08-2015 04:59 PM
    • Replies: 5
    • Views: 1,070
    07-13-2015, 07:55 AM Go to last post
  17. How to check for proper ground?

    Started by Junior1983, 07-04-2015 06:21 PM
    • Replies: 10
    • Views: 1,892
    07-09-2015, 09:06 PM Go to last post
  18. Semi hermetic oil issue

    Started by len088, 07-07-2015 10:31 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,172
    07-09-2015, 06:05 PM Go to last post
  19. 3 port scroll compressor?

    Started by obieone, 06-27-2015 09:26 AM
    • Replies: 9
    • Views: 1,629
    07-09-2015, 07:45 AM Go to last post
  20. Hmm AC question

    Started by drage93, 07-07-2015 12:25 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 3,040
    07-09-2015, 04:25 AM Go to last post
  21. Return inside of Supply Plenum???

    Started by tranger03, 07-07-2015 07:54 PM
    • Replies: 9
    • Views: 1,623
    07-08-2015, 01:45 PM Go to last post
  22. service check list card

    Started by ryan79, 07-07-2015 09:45 PM
    • Replies: 6
    • Views: 1,116
    07-08-2015, 11:41 AM Go to last post
  23. R410A Normal Head pressure 100 degree Ambient temp?

    Started by Junior1983, 07-04-2015 02:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 8,180
    07-08-2015, 08:11 AM Go to last post
  24. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 8,086
    07-08-2015, 12:26 AM Go to last post
  25. Question about Trane 20 ton dehum unit

    Started by mortatort, 07-07-2015 02:35 PM
    • Replies: 0
    • Views: 482
    07-07-2015, 02:35 PM Go to last post
  26. electric VAV

    Started by poptop22, 07-01-2015 09:51 AM
    • Replies: 3
    • Views: 822
    07-07-2015, 09:23 AM Go to last post
  27. TRANE Mini split (Error code 6) Help!

    Started by Junior1983, 07-04-2015 12:26 AM
    • Replies: 5
    • Views: 11,426
    07-06-2015, 11:13 PM Go to last post
  28. So I went ona call

    Started by lytning, 07-05-2015 03:37 PM
    • Replies: 8
    • Views: 1,709
    07-06-2015, 08:52 PM Go to last post
  29. Artificial Intelligence opinion

    Started by mccann, 06-28-2015 06:13 PM
    • Replies: 11
    • Views: 1,146
    07-06-2015, 11:26 AM Go to last post
  30. Liebert split...weird symptoms - need advice

    Started by slick101, 06-28-2015 10:09 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,563
    07-02-2015, 07:26 PM Go to last post
  31. Old Tran Condensing Unit

    Started by nick5909, 07-02-2015 02:05 PM
    • Replies: 1
    • Views: 542
    07-02-2015, 02:45 PM Go to last post
    • Replies: 4
    • Views: 1,129
    07-02-2015, 11:41 AM Go to last post
  32. York Simplicity

    Started by corny, 06-26-2015 04:12 AM
    • Replies: 9
    • Views: 2,587
    07-01-2015, 11:23 PM Go to last post
  33. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    • Replies: 10
    • Views: 2,104
    07-01-2015, 08:53 PM Go to last post
  34. Walk in freezer defrost cycle question

    Started by Maven445, 11-28-2011 10:09 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 12,159
    07-01-2015, 11:49 AM Go to last post
  35. Trane GEHE Water source heat pump

    Started by NDserviceman, 06-18-2015 11:00 PM
    • Replies: 6
    • Views: 1,397
    07-01-2015, 10:01 AM Go to last post
    • Replies: 0
    • Views: 412
    07-01-2015, 09:48 AM Go to last post
  36. Piping Compressor oil lines

    Started by Push It, 06-26-2015 10:33 AM
    • Replies: 12
    • Views: 1,483
    06-30-2015, 09:12 PM Go to last post
  37. Trane CGAM chiller flow switch

    Started by texast, 09-25-2013 05:09 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,163
    06-30-2015, 08:30 AM Go to last post
  38. 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: 3,192
    06-30-2015, 06:10 AM Go to last post
  39. Confused Carrier 48TFD006 contactor issue.

    Started by GameWorkRepeat, 06-29-2015 11:48 AM
    • Replies: 2
    • Views: 631
    06-29-2015, 12:23 PM Go to last post
  40. emerson 5ex exv troubleshooting

    Started by hvac17011, 06-26-2015 09:31 PM
    • Replies: 2
    • Views: 743
    06-29-2015, 05:11 AM Go to last post
  41. 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: 3,002
    06-28-2015, 11:40 PM Go to last post
  42. 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: 15,087
    06-28-2015, 11:28 AM Go to last post
    • Replies: 1
    • Views: 987
    06-28-2015, 10:52 AM Go to last post
  43. Confused Trance 60 ton condenser

    Started by acrtech, 06-15-2015 05:56 PM
    • Replies: 7
    • Views: 1,345
    06-28-2015, 12:06 AM Go to last post

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