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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: 10,888
    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: 162,218
    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: 23,027
    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: 29,212
    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: 36,684
    11-19-2015, 12:10 AM Go to last post
  6. Finding a vacuum leak

    Started by jimp, 05-23-2017 08:22 PM
    14 Pages
    1 2 3 4 5 6 ... 14
    • Replies: 178
    • Views: 6,060
    06-20-2017, 03:48 PM Go to last post
    • Replies: 176
    • Views: 23,320
    07-25-2014, 04:26 PM Go to last post
  7. 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: 6,927
    04-01-2017, 04:33 PM Go to last post
  8. Gordon piatt burners

    Started by bcharlesm30, 02-14-2017 08:38 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 168
    • Views: 7,374
    04-29-2017, 09:32 AM Go to last post
  9. 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: 8,723
    07-14-2016, 10:27 PM Go to last post
  10. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 23,494
    09-15-2013, 10:56 AM Go to last post
  11. Receiver Subcooling (cont.)

    Started by hvacrmedic, 06-16-2017 10:12 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 124
    • Views: 3,660
    03-09-2018, 09:06 PM Go to last post
  12. 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: 14,446
    11-30-2014, 03:46 AM Go to last post
  13. 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: 9,921
    02-13-2016, 06:57 PM Go to last post
  14. 3 phase question

    Started by YatYas, 01-08-2015 07:18 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 117
    • Views: 16,826
    01-15-2015, 04:45 PM Go to last post
  15. 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: 25,584
    10-20-2014, 06:02 PM Go to last post
    • Replies: 106
    • Views: 15,954
    01-29-2013, 08:00 PM Go to last post
  16. 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: 20,730
    07-14-2015, 09:28 AM Go to last post
  17. 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: 5,785
    12-16-2016, 03:58 PM Go to last post
  18. 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: 7,569
    07-29-2016, 10:53 AM Go to last post
  19. 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: 16,290
    09-28-2013, 02:17 PM Go to last post
  20. Belt Tightening

    Started by Michael Baldwin, 10-18-2015 08:43 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 100
    • Views: 12,952
    10-17-2016, 11:00 PM Go to last post
  21. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 16,489
    05-11-2014, 03:23 PM Go to last post
  22. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 13,364
    01-21-2013, 06:50 PM Go to last post
    • Replies: 96
    • Views: 14,234
    02-04-2013, 12:14 PM Go to last post
  23. 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: 47,550
    08-08-2013, 06:59 PM Go to last post
  24. VRF

    Started by acman17, 05-19-2014 08:20 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 21,060
    05-08-2016, 02:32 PM Go to last post
  25. A Fun Question . . .

    Started by BBeerme, 06-27-2014 10:01 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 9,443
    07-04-2014, 01:38 AM Go to last post
  26. 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: 15,206
    06-28-2015, 11:28 AM Go to last post
  27. Regret

    Started by teammix, 09-21-2016 11:13 AM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 6,879
    10-28-2016, 08:25 AM Go to last post
  28. 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: 15,953
    04-14-2015, 10:59 AM Go to last post
  29. 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: 10,034
    08-30-2015, 06:08 PM Go to last post
  30. 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: 17,604
    06-21-2012, 10:06 PM Go to last post
  31. 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: 11,542
    08-29-2014, 11:42 PM Go to last post
  32. R22 replacements

    Started by rhumbard, 09-19-2014 09:46 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 13,543
    10-03-2014, 05:56 AM Go to last post
  33. 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: 5,519
    02-01-2017, 12:12 AM Go to last post
  34. Evacuation process?

    Started by Junior1983, 06-26-2015 08:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 8,249
    07-08-2015, 12:26 AM Go to last post
  35. 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: 6,244
    08-26-2016, 10:39 PM Go to last post
  36. 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: 4,340
    02-12-2017, 11:10 PM Go to last post
  37. 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: 16,601
    09-17-2011, 10:28 PM Go to last post
  38. 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: 12,219
    09-06-2014, 06:09 PM Go to last post
  39. Flame sensor testing

    Started by btglow2894, 11-15-2014 03:19 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 18,442
    12-16-2014, 11:17 PM Go to last post
  40. Voltage drop

    Started by bsw52876, 09-12-2016 09:44 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 5,156
    10-03-2016, 07:24 AM Go to last post
  41. 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: 13,931
    04-17-2015, 09:28 AM 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: 18,514
    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: 10,605
    03-13-2016, 09:29 PM Go to last post
  44. G5 Appion

    Started by jimp, 05-20-2017 10:25 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 3,028
    03-06-2018, 02:11 AM Go to last post
  45. Bluon TdX 20 Refrigerant....

    Started by ems4ty, 10-17-2012 10:55 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 16,178
    03-31-2018, 08:13 AM Go to last post
  46. 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: 16,456
    01-15-2013, 01:13 AM Go to last post
  47. York Heat Exchangers

    Started by coolerik, 11-22-2013 10:35 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 10,397
    02-09-2014, 12:25 AM Go to last post
  48. Big 1ph motor

    Started by skwoodwiva2, 05-09-2017 01:02 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 74
    • Views: 2,608
    05-10-2017, 10:38 PM Go to last post

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