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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: 8,852
    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: 151,457
    07-28-2013, 09:10 AM Go to last post
  3. Carrier will lay off 2100 peaple

    Started by servicefitter, 02-11-2016 10:18 PM
    21 Pages
    1 2 3 4 5 6 ... 21
    • Replies: 260
    • Views: 12,252
    07-24-2016, 08:11 PM Go to last post
  4. refrigerant restriction

    Started by johnnyb, 05-03-2014 10:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 24,208
    08-02-2014, 09:11 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: 28,230
    11-19-2015, 12:10 AM Go to last post
    • Replies: 176
    • Views: 17,037
    07-25-2014, 04:26 PM Go to last post
  6. R-410 to R-134 conversion

    Started by Poodle Head Mikey, 06-25-2016 05:32 PM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 153
    • Views: 4,264
    07-14-2016, 10:27 PM Go to last post
  7. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 20,081
    09-15-2013, 10:56 AM Go to last post
  8. 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: 12,218
    11-30-2014, 03:46 AM Go to last post
  9. 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: 6,063
    02-13-2016, 06:57 PM Go to last post
  10. 3 phase question

    Started by YatYas, 01-08-2015 07:18 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 117
    • Views: 13,003
    01-15-2015, 04:45 PM Go to last post
  11. 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: 21,399
    10-20-2014, 06:02 PM Go to last post
    • Replies: 106
    • Views: 13,475
    01-29-2013, 08:00 PM Go to last post
  12. 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: 16,181
    07-14-2015, 09:28 AM Go to last post
  13. someone have an explaination for this?

    Started by Service93, 06-30-2016 10:23 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 102
    • Views: 3,646
    Today, 10:53 AM Go to last post
  14. 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: 13,441
    09-28-2013, 02:17 PM Go to last post
  15. Belt Tightening

    Started by Michael Baldwin, 10-18-2015 08:43 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 98
    • Views: 5,735
    11-13-2015, 08:19 AM Go to last post
  16. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 14,472
    05-11-2014, 03:23 PM Go to last post
  17. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 12,080
    01-21-2013, 06:50 PM Go to last post
    • Replies: 96
    • Views: 12,004
    02-04-2013, 12:14 PM Go to last post
  18. 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: 41,683
    08-08-2013, 06:59 PM Go to last post
  19. VRF

    Started by acman17, 05-19-2014 08:20 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 16,654
    05-08-2016, 02:32 PM Go to last post
  20. A Fun Question . . .

    Started by BBeerme, 06-27-2014 10:01 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 7,968
    07-04-2014, 01:38 AM Go to last post
  21. 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: 11,712
    06-28-2015, 11:28 AM Go to last post
  22. 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: 12,890
    04-14-2015, 10:59 AM Go to last post
  23. 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: 6,436
    08-30-2015, 06:08 PM Go to last post
  24. 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: 14,793
    06-21-2012, 10:06 PM Go to last post
  25. 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: 9,219
    08-29-2014, 11:42 PM Go to last post
  26. R22 replacements

    Started by rhumbard, 09-19-2014 09:46 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 10,223
    10-03-2014, 05:56 AM Go to last post
  27. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 5,770
    07-08-2015, 12:26 AM Go to last post
  28. 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: 13,822
    09-17-2011, 10:28 PM Go to last post
  29. 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: 8,810
    09-06-2014, 06:09 PM Go to last post
  30. Flame sensor testing

    Started by btglow2894, 11-15-2014 03:19 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 13,872
    12-16-2014, 11:17 PM Go to last post
  31. 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: 11,522
    04-17-2015, 09:28 AM Go to last post
  32. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 6,717
    03-13-2016, 09:29 PM Go to last post
  33. 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: 13,450
    01-15-2013, 01:13 AM Go to last post
  34. York Heat Exchangers

    Started by coolerik, 11-22-2013 10:35 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 8,346
    02-09-2014, 12:25 AM Go to last post
  35. Trane package unit

    Started by caheiman30, 08-15-2012 03:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 10,715
    08-22-2012, 12:45 AM Go to last post
  36. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 9,365
    04-25-2013, 09:31 AM Go to last post
  37. The Double Flare

    Started by BBeerme, 04-21-2016 09:22 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 72
    • Views: 3,226
    04-26-2016, 08:14 PM Go to last post
  38. 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: 27,578
    08-20-2014, 10:22 PM Go to last post
  39. 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: 10,239
    01-11-2015, 11:57 PM Go to last post
  40. 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: 8,200
    02-12-2015, 07:36 PM Go to last post
  41. Johnson Controls

    Started by huckleberryjay, 06-10-2010 10:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 15,465
    09-14-2011, 09:03 PM Go to last post
  42. Torching evaps

    Started by leaker2, 10-23-2013 09:23 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 7,418
    11-14-2013, 04:58 PM Go to last post
  43. 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: 6,048
    05-24-2013, 06:37 PM Go to last post
  44. 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: 7,880
    10-02-2014, 07:19 PM Go to last post
  45. 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: 3,472
    04-01-2016, 10:12 PM Go to last post
  46. 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: 8,745
    12-12-2013, 11:08 PM Go to last post
  47. Frown Maybe bypassing compressor

    Started by anders13, 08-08-2014 02:47 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 6,601
    08-16-2014, 12:19 AM Go to last post
  48. Holiday Pay

    Started by BBeerme, 12-20-2014 02:23 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 9,227
    01-31-2015, 08:09 PM Go to last post

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