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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: 8,683
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. cooling a small server room

    Started by serverroomcooling, 11-16-2004 12:04 PM
    99 Pages
    1 2 3 4 5 6 ... 99
    • Replies: 1,275
    • Views: 150,926
    07-28-2013, 09:10 AM Go to last post
  3. refrigerant restriction

    Started by johnnyb, 05-03-2014 10:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 23,837
    08-02-2014, 09:11 PM Go to last post
  4. Carrier will lay off 2100 peaple

    Started by servicefitter, 02-11-2016 10:18 PM
    18 Pages
    1 2 3 4 5 6 ... 18
    • Replies: 221
    • Views: 10,025
    03-03-2016, 07:14 PM Go to last post
  5. Anyone doing Family Dollar or Dollar General service?

    Started by MechTech2013, 06-06-2014 02:04 AM
    15 Pages
    1 2 3 4 5 6 ... 15
    • Replies: 186
    • Views: 27,423
    11-19-2015, 12:10 AM Go to last post
    • Replies: 176
    • Views: 16,638
    07-25-2014, 04:26 PM Go to last post
  6. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 19,942
    09-15-2013, 10:56 AM Go to last post
  7. Confused I NEED SOME HELP YCD180 gas fired LOW HEAT ON A CHURCH

    Started by pandatimer, 11-21-2014 06:50 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 119
    • Views: 11,921
    11-30-2014, 03:46 AM Go to last post
  8. Is Low Pressure Steam still a thing?

    Started by DDCSD, 11-06-2015 12:02 AM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 119
    • Views: 5,792
    02-13-2016, 06:57 PM Go to last post
  9. 3 phase question

    Started by YatYas, 01-08-2015 07:18 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 117
    • Views: 12,485
    01-15-2015, 04:45 PM Go to last post
  10. CO2 Purge for brazing?

    Started by dprimrose, 08-18-2009 10:19 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 109
    • Views: 21,070
    10-20-2014, 06:02 PM Go to last post
    • Replies: 106
    • Views: 13,317
    01-29-2013, 08:00 PM Go to last post
  11. 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: 15,698
    07-14-2015, 09:28 AM Go to last post
  12. Confused Commercial technician, thinking about switching to residential.

    Started by comoutsid322, 04-22-2013 11:43 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 101
    • Views: 13,316
    09-28-2013, 02:17 PM Go to last post
  13. Belt Tightening

    Started by Michael Baldwin, 10-18-2015 08:43 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 98
    • Views: 5,400
    11-13-2015, 08:19 AM Go to last post
  14. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 14,356
    05-11-2014, 03:23 PM Go to last post
  15. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 12,006
    01-21-2013, 06:50 PM Go to last post
    • Replies: 96
    • Views: 11,904
    02-04-2013, 12:14 PM Go to last post
  16. EXV problems on Carrier 30GT Chiller

    Started by hvac-alan, 09-02-2005 07:23 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 41,184
    08-08-2013, 06:59 PM Go to last post
  17. VRF

    Started by acman17, 05-19-2014 08:20 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 16,279
    05-08-2016, 02:32 PM Go to last post
  18. A Fun Question . . .

    Started by BBeerme, 06-27-2014 10:01 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 7,900
    07-04-2014, 01:38 AM Go to last post
  19. 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: 11,195
    06-28-2015, 11:28 AM Go to last post
  20. So, would you fire me?

    Started by Turnertech41, 03-10-2015 05:23 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 89
    • Views: 12,304
    04-14-2015, 10:59 AM Go to last post
  21. Help! Uneven amp draw on fan motor.

    Started by DanDaMan370, 08-28-2015 12:29 AM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 89
    • Views: 6,170
    08-30-2015, 06:08 PM Go to last post
  22. Brazing with refrigerant in pipe

    Started by HuNGRYTeCH, 05-22-2012 03:15 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 14,701
    06-21-2012, 10:06 PM Go to last post
  23. Trane compressor not coming on

    Started by bwd111, 08-15-2014 02:51 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 9,085
    08-29-2014, 11:42 PM Go to last post
  24. R22 replacements

    Started by rhumbard, 09-19-2014 09:46 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 10,002
    10-03-2014, 05:56 AM Go to last post
  25. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 5,523
    07-08-2015, 12:26 AM Go to last post
  26. Thumbs up 460V 1PH condenser fan motor ????

    Started by AcDOCnTRAINING, 02-07-2008 06:15 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 13,665
    09-17-2011, 10:28 PM Go to last post
  27. HIGH SUCTION PRESSURE / LOW HEAD PRESSURE ISSUE

    Started by EdHvacr, 09-02-2014 06:04 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 8,550
    09-06-2014, 06:09 PM Go to last post
  28. Flame sensor testing

    Started by btglow2894, 11-15-2014 03:19 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 13,451
    12-16-2014, 11:17 PM Go to last post
  29. Brazing copper to brass

    Started by OBogue, 07-28-2014 05:16 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 79
    • Views: 11,255
    04-17-2015, 09:28 AM Go to last post
  30. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 6,432
    03-13-2016, 09:29 PM Go to last post
  31. Question oil pressure problem

    Started by welling service, 11-17-2012 03:57 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 13,243
    01-15-2013, 01:13 AM Go to last post
  32. York Heat Exchangers

    Started by coolerik, 11-22-2013 10:35 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 8,272
    02-09-2014, 12:25 AM Go to last post
  33. Trane package unit

    Started by caheiman30, 08-15-2012 03:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 10,626
    08-22-2012, 12:45 AM Go to last post
  34. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 9,309
    04-25-2013, 09:31 AM Go to last post
  35. The Double Flare

    Started by BBeerme, 04-21-2016 09:22 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 72
    • Views: 2,982
    04-26-2016, 08:14 PM Go to last post
  36. Dolphin chemical free water treatment

    Started by colorado dave, 02-22-2005 07:38 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 71
    • Views: 27,469
    08-20-2014, 10:22 PM Go to last post
  37. A hat tip to rooftop guys.

    Started by Glennhvac, 01-02-2015 11:37 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 71
    • Views: 9,927
    01-11-2015, 11:57 PM Go to last post
  38. How many Amps max on a 2 pole contactir 30amp FLA

    Started by Carlos_me, 01-13-2015 05:47 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 71
    • Views: 7,947
    02-12-2015, 07:36 PM Go to last post
  39. Johnson Controls

    Started by huckleberryjay, 06-10-2010 10:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 15,303
    09-14-2011, 09:03 PM Go to last post
  40. Torching evaps

    Started by leaker2, 10-23-2013 09:23 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 7,345
    11-14-2013, 04:58 PM Go to last post
  41. compressor black over current box tripping

    Started by raven22, 05-17-2013 07:51 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 69
    • Views: 5,958
    05-24-2013, 06:37 PM Go to last post
  42. No one ever replaces sheeves

    Started by marter, 09-13-2014 09:37 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 69
    • Views: 7,736
    10-02-2014, 07:19 PM Go to last post
  43. Industial Freezer Brazing techniques question.

    Started by budman21901, 03-19-2016 10:28 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 66
    • Views: 3,329
    04-01-2016, 10:12 PM Go to last post
  44. Hours to Pm a rooftop.

    Started by mikepinnacle, 08-14-2013 01:22 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 8,696
    12-12-2013, 11:08 PM Go to last post
  45. Frown Maybe bypassing compressor

    Started by anders13, 08-08-2014 02:47 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 6,565
    08-16-2014, 12:19 AM Go to last post
  46. Holiday Pay

    Started by BBeerme, 12-20-2014 02:23 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 8,937
    01-31-2015, 08:09 PM Go to last post
  47. This is why Preventive Maintenance is a waste of money.

    Started by Mike19, 08-21-2014 12:16 AM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 10,524
    10-15-2014, 10:52 PM Go to last post
  48. True GDM 49F

    Started by tootiredtoargue, 11-30-2014 06:33 PM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 7,940
    12-06-2014, 05:00 PM Go to last post

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