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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: 9,357
    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: 154,496
    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: 17,009
    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: 26,135
    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: 31,752
    11-19-2015, 12:10 AM Go to last post
    • Replies: 176
    • Views: 18,950
    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: 6,782
    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: 21,224
    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: 13,003
    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: 7,863
    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: 14,653
    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: 22,796
    10-20-2014, 06:02 PM Go to last post
    • Replies: 106
    • Views: 14,657
    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: 17,839
    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: 6,073
    07-29-2016, 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: 14,364
    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: 100
    • Views: 8,828
    10-17-2016, 11:00 PM 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: 15,118
    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: 12,623
    01-21-2013, 06:50 PM Go to last post
    • Replies: 96
    • Views: 12,838
    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: 43,666
    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: 18,806
    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: 8,679
    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: 13,955
    06-28-2015, 11:28 AM Go to last post
  22. Regret

    Started by teammix, 09-21-2016 11:13 AM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 4,964
    10-28-2016, 08:25 AM Go to last post
  23. 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: 14,910
    04-14-2015, 10:59 AM Go to last post
  24. 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: 8,080
    08-30-2015, 06:08 PM Go to last post
  25. 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: 15,803
    06-21-2012, 10:06 PM Go to last post
  26. 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: 10,285
    08-29-2014, 11:42 PM Go to last post
  27. R22 replacements

    Started by rhumbard, 09-19-2014 09:46 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 11,461
    10-03-2014, 05:56 AM Go to last post
  28. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 7,132
    07-08-2015, 12:26 AM Go to last post
  29. 25 ton carrier compressor question

    Started by Cimerian, 08-02-2016 08:28 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 4,196
    08-26-2016, 10:39 PM Go to last post
  30. 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: 14,729
    09-17-2011, 10:28 PM Go to last post
  31. 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: 9,930
    09-06-2014, 06:09 PM Go to last post
  32. Flame sensor testing

    Started by btglow2894, 11-15-2014 03:19 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 15,241
    12-16-2014, 11:17 PM Go to last post
  33. Voltage drop

    Started by bsw52876, 09-12-2016 09:44 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 3,468
    10-03-2016, 07:24 AM Go to last post
  34. 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: 12,589
    04-17-2015, 09:28 AM Go to last post
  35. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 8,264
    03-13-2016, 09:29 PM Go to last post
  36. 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: 14,496
    01-15-2013, 01:13 AM Go to last post
  37. York Heat Exchangers

    Started by coolerik, 11-22-2013 10:35 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 9,059
    02-09-2014, 12:25 AM Go to last post
  38. Megger Readings

    Started by hands, 10-22-2016 01:27 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 74
    • Views: 2,774
    11-06-2016, 09:03 PM Go to last post
  39. Trane package unit

    Started by caheiman30, 08-15-2012 03:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 11,603
    08-22-2012, 12:45 AM Go to last post
  40. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 9,870
    04-25-2013, 09:31 AM Go to last post
  41. Work Pants

    Started by Pascone10, 05-31-2014 03:03 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 72
    • Views: 14,466
    09-11-2016, 12:08 PM Go to last post
  42. The Double Flare

    Started by BBeerme, 04-21-2016 09:22 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 72
    • Views: 5,147
    04-26-2016, 08:14 PM Go to last post
  43. 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: 28,471
    08-20-2014, 10:22 PM Go to last post
  44. 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: 10,962
    01-11-2015, 11:57 PM Go to last post
  45. 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: 9,078
    02-12-2015, 07:36 PM Go to last post
  46. Johnson Controls

    Started by huckleberryjay, 06-10-2010 10:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 16,433
    09-14-2011, 09:03 PM Go to last post
  47. Torching evaps

    Started by leaker2, 10-23-2013 09:23 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 7,872
    11-14-2013, 04:58 PM Go to last post
  48. 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: 8,644
    10-02-2014, 07:19 PM Go to last post

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