Tech to Tech Chat - Commercial
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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: NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 3,602
    08-10-2011, 04:34 PM Go to last post
  1. cooling a small server room

    Started by serverroomcooling, 11-16-2004 11:04 AM
    99 Pages
    1 2 3 4 5 6 ... 99
    • Replies: 1,275
    • Views: 110,714
    07-28-2013, 09:10 AM Go to last post
  2. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 10,203
    09-15-2013, 10:56 AM Go to last post
    • Replies: 106
    • Views: 7,129
    01-29-2013, 07:00 PM Go to last post
  3. 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: 6,645
    09-28-2013, 02:17 PM Go to last post
  4. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 6,693
    05-11-2014, 03:23 PM Go to last post
  5. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 7,264
    01-21-2013, 05:50 PM Go to last post
    • Replies: 96
    • Views: 5,950
    02-04-2013, 11:14 AM Go to last post
  6. CO2 Purge for brazing?

    Started by dprimrose, 08-18-2009 10:19 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 95
    • Views: 9,715
    05-15-2012, 07:08 PM Go to last post
  7. 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: 29,608
    08-08-2013, 06:59 PM Go to last post
  8. A Fun Question . . .

    Started by BBeerme, 06-27-2014 10:01 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 2,569
    07-04-2014, 01:38 AM Go to last post
  9. 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: 9,140
    06-21-2012, 10:06 PM Go to last post
  10. VRF

    Started by acman17, 05-19-2014 08:20 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 4,955
    07-09-2014, 06:20 PM Go to last post
  11. Thumbs up 460V 1PH condenser fan motor ????

    Started by AcDOCnTRAINING, 02-07-2008 05:15 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 80
    • Views: 7,551
    09-17-2011, 10:28 PM Go to last post
  12. Water mist help cooling my AC condenser unit

    Started by RickCyin, 09-05-2010 05:44 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 79
    • Views: 16,663
    05-07-2013, 12:51 AM Go to last post
  13. Question oil pressure problem

    Started by welling service, 11-17-2012 02:57 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 7,183
    01-15-2013, 12:13 AM Go to last post
  14. York Heat Exchangers

    Started by coolerik, 11-22-2013 09:35 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 3,171
    02-08-2014, 11:25 PM Go to last post
  15. Trane package unit

    Started by caheiman30, 08-15-2012 03:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 5,663
    08-22-2012, 12:45 AM Go to last post
  16. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 4,807
    04-25-2013, 09:31 AM Go to last post
  17. Johnson Controls

    Started by huckleberryjay, 06-10-2010 10:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 8,898
    09-14-2011, 09:03 PM Go to last post
  18. Torching evaps

    Started by leaker2, 10-23-2013 09:23 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 3,160
    11-14-2013, 03:58 PM Go to last post
  19. 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: 2,489
    05-24-2013, 06:37 PM Go to last post
  20. 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: 4,932
    12-12-2013, 10:08 PM Go to last post
  21. Dolphin chemical free water treatment

    Started by colorado dave, 02-22-2005 06:38 PM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 18,349
    06-19-2013, 05:01 PM Go to last post
  22. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 12:48 PM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 8,563
    08-21-2012, 02:32 PM Go to last post
  23. RTU's not cooling the building enough

    Started by abcando, 07-06-2012 12:41 AM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 5,461
    07-14-2012, 09:33 PM Go to last post
  24. High superheat with NU22B

    Started by Jbart, 07-06-2013 09:02 PM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 3,161
    07-21-2013, 04:56 PM Go to last post
    • Replies: 61
    • Views: 4,249
    03-10-2014, 04:16 AM Go to last post
  25. liebert rep

    Started by energy mech, 02-11-2014 03:27 PM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 3,361
    03-26-2014, 09:01 PM Go to last post
  26. RTAA125 low on 22 or ...?

    Started by valdelocc, 04-22-2013 08:12 PM
    5 Pages
    1 2 3 4 5
    • Replies: 60
    • Views: 3,237
    10-23-2013, 08:56 AM Go to last post
  27. Anyone doing Family Dollar or Dollar General service?

    Started by MechTech2013, 06-06-2014 02:04 AM
    5 Pages
    1 2 3 4 5
    • Replies: 59
    • Views: 2,918
    06-30-2014, 12:03 AM Go to last post
  28. Rooftop Heat Exchanger Failure Causes???

    Started by andrewd33, 12-07-2011 03:52 PM
    5 Pages
    1 2 3 4 5
    • Replies: 58
    • Views: 4,104
    01-21-2012, 03:01 PM Go to last post
  29. Moving compressor to roof

    Started by Capz, 07-24-2013 08:40 PM
    5 Pages
    1 2 3 4 5
    • Replies: 55
    • Views: 3,024
    08-18-2013, 08:18 PM Go to last post
  30. Typical overtime policies?

    Started by mcairrepair, 07-26-2012 10:06 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 8,194
    11-13-2012, 08:37 AM Go to last post
  31. ISCEON® MO99™ refrigerant ( R-438a )

    Started by freonguy, 08-18-2009 05:15 PM
    5 Pages
    1 2 3 4 5
    • Replies: 53
    • Views: 22,370
    09-20-2012, 11:16 AM Go to last post
  32. First day of a new career

    Started by colortwang, 02-03-2012 10:37 PM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 3,199
    02-07-2012, 12:45 AM Go to last post
  33. Question Carrier RTU second stage freezing up

    Started by qwerty hvac, 05-12-2012 09:15 AM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 4,117
    05-18-2012, 07:24 PM Go to last post
  34. Ground short ?

    Started by AddMore22, 06-07-2012 09:20 PM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 2,902
    06-10-2012, 04:31 PM Go to last post
  35. 30 ton split R-22 to 410a

    Started by allstar08, 07-08-2011 07:41 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 6,507
    09-05-2012, 07:46 AM Go to last post
  36. Txv adjustment help

    Started by Iceman_pdx, 10-20-2013 10:12 AM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 2,341
    11-03-2013, 09:27 PM Go to last post
  37. Trane Voyager rooftop poopie

    Started by WorkHardThenDie, 06-21-2012 02:41 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 4,560
    07-05-2012, 04:59 PM Go to last post
  38. Installing A Remote Condensing Unit Indoors????

    Started by RichO, 09-23-2013 05:22 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 1,806
    09-25-2013, 08:16 PM Go to last post
  39. Exclamation Military A/C Need help

    Started by puddlestomper, 10-19-2006 01:33 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 4,946
    09-21-2012, 12:28 PM Go to last post
  40. Daikin VRV

    Started by ChaseW, 05-27-2012 10:05 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 5,822
    11-13-2013, 06:35 AM Go to last post
  41. Commercial rooftop

    Started by epacertified, 07-20-2013 04:31 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 2,414
    08-13-2013, 12:53 PM Go to last post
  42. AAON units RN series

    Started by leonbowen, 10-06-2013 10:54 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 3,534
    11-03-2013, 09:32 PM Go to last post
  43. GROUNDED B PHASE

    Started by VTP99, 01-29-2012 02:43 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 5,647
    03-25-2012, 07:32 AM Go to last post
  44. What does everyone thing about Economizers?

    Started by hcong, 06-11-2012 05:52 AM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 3,946
    07-03-2012, 07:08 AM Go to last post
  45. Confused York RTU Nightmare

    Started by qwerty hvac, 10-30-2012 07:44 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 4,397
    11-04-2012, 01:36 PM Go to last post
  46. SECURE Thermostat?

    Started by EMETH, 08-10-2013 12:52 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 2,443
    08-14-2013, 08:42 AM Go to last post
  47. UA Star Preparation?

    Started by alliedtech12887, 01-26-2012 06:50 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 3,129
    02-17-2012, 03:00 PM Go to last post

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