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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: 10,884
    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: 162,013
    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: 24,581
    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: 30,137
    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: 37,603
    11-19-2015, 12:10 AM Go to last post
    • Replies: 176
    • Views: 23,228
    07-25-2014, 04:26 PM Go to last post
  6. Riddle Me This . . . 22/410A

    Started by BBeerme, 03-21-2017 07:19 PM
    14 Pages
    1 2 3 4 5 6 ... 14
    • Replies: 175
    • Views: 7,185
    04-01-2017, 04:33 PM Go to last post
  7. Gordon piatt burners

    Started by bcharlesm30, 02-14-2017 08:38 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 168
    • Views: 7,401
    04-29-2017, 09:32 AM Go to last post
  8. 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: 9,040
    07-14-2016, 10:27 PM Go to last post
  9. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 24,272
    09-15-2013, 10:56 AM Go to last post
  10. 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: 14,613
    11-30-2014, 03:46 AM Go to last post
  11. 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: 10,714
    02-13-2016, 06:57 PM Go to last post
  12. 3 phase question

    Started by YatYas, 01-08-2015 07:18 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 117
    • Views: 17,237
    01-15-2015, 04:45 PM Go to last post
  13. 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: 26,124
    10-20-2014, 06:02 PM Go to last post
    • Replies: 106
    • Views: 16,090
    01-29-2013, 08:00 PM 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: 21,713
    07-14-2015, 09:28 AM Go to last post
  15. 3 ton R22 Herm Comp still pressures.

    Started by Chris4u13, 10-17-2016 07:03 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 104
    • Views: 6,044
    12-16-2016, 03:58 PM Go to last post
  16. 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: 7,771
    07-29-2016, 10:53 AM Go to last post
  17. 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: 16,903
    09-28-2013, 02:17 PM Go to last post
  18. Belt Tightening

    Started by Michael Baldwin, 10-18-2015 08:43 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 100
    • Views: 13,526
    10-17-2016, 11:00 PM Go to last post
  19. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 16,889
    05-11-2014, 03:23 PM Go to last post
  20. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 13,515
    01-21-2013, 06:50 PM Go to last post
    • Replies: 96
    • Views: 14,345
    02-04-2013, 12:14 PM Go to last post
  21. 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: 47,603
    08-08-2013, 06:59 PM Go to last post
  22. VRF

    Started by acman17, 05-19-2014 08:20 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 21,432
    05-08-2016, 02:32 PM Go to last post
  23. A Fun Question . . .

    Started by BBeerme, 06-27-2014 10:01 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 9,557
    07-04-2014, 01:38 AM Go to last post
  24. 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: 15,621
    06-28-2015, 11:28 AM Go to last post
  25. Regret

    Started by teammix, 09-21-2016 11:13 AM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 7,059
    10-28-2016, 08:25 AM Go to last post
  26. 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: 16,248
    04-14-2015, 10:59 AM Go to last post
  27. 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: 10,453
    08-30-2015, 06:08 PM Go to last post
  28. 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: 18,228
    06-21-2012, 10:06 PM Go to last post
  29. 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: 11,992
    08-29-2014, 11:42 PM Go to last post
  30. R22 replacements

    Started by rhumbard, 09-19-2014 09:46 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 13,707
    10-03-2014, 05:56 AM Go to last post
  31. Can we use 2 legs of three phase power for a heat pump?

    Started by Adamatim1, 01-21-2017 06:30 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 82
    • Views: 5,757
    02-01-2017, 12:12 AM Go to last post
  32. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 8,573
    07-08-2015, 12:26 AM Go to last post
  33. 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: 6,269
    08-26-2016, 10:39 PM Go to last post
  34. High sub-cooling, high super heat but flashing sight glass

    Started by hvacmo, 02-03-2017 11:19 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 4,536
    02-12-2017, 11:10 PM Go to last post
  35. ac problem

    Started by zshoemater, 07-13-2017 05:52 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 3,445
    07-25-2017, 11:01 AM Go to last post
  36. 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: 17,023
    09-17-2011, 10:28 PM Go to last post
  37. 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: 12,653
    09-06-2014, 06:09 PM Go to last post
  38. Flame sensor testing

    Started by btglow2894, 11-15-2014 03:19 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 18,160
    12-16-2014, 11:17 PM Go to last post
  39. Voltage drop

    Started by bsw52876, 09-12-2016 09:44 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 5,281
    10-03-2016, 07:24 AM Go to last post
  40. 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: 14,290
    04-17-2015, 09:28 AM Go to last post
  41. The Double Flare

    Started by BBeerme, 04-21-2016 09:22 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 78
    • Views: 9,279
    07-08-2017, 11:36 PM Go to last post
  42. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 01:48 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 18,623
    06-13-2017, 05:26 PM Go to last post
  43. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 10,798
    03-13-2016, 09:29 PM Go to last post
  44. 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: 16,774
    01-15-2013, 01:13 AM Go to last post
  45. York Heat Exchangers

    Started by coolerik, 11-22-2013 10:35 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 10,710
    02-09-2014, 12:25 AM Go to last post
  46. Megger Readings

    Started by hands, 10-22-2016 01:27 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 74
    • Views: 4,766
    11-06-2016, 09:03 PM Go to last post
  47. Big 1ph motor

    Started by skwoodwiva2, 05-09-2017 01:02 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 74
    • Views: 2,872
    05-10-2017, 10:38 PM Go to last post
  48. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 11,255
    04-25-2013, 09:31 AM Go to last post

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