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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: 3,355
    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: 106,357
    07-28-2013, 09:10 AM Go to last post
  2. 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: 27,822
    08-08-2013, 06:59 PM Go to last post
  3. ISCEON® MO99™ refrigerant ( R-438a )

    Started by freonguy, 08-18-2009 05:15 PM
    5 Pages
    1 2 3 4 5
    • Replies: 53
    • Views: 19,230
    09-20-2012, 11:16 AM Go to last post
  4. Best Recovery Machines

    Started by softtail, 01-01-2007 01:00 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 17,450
    08-02-2012, 07:34 PM Go to last post
  5. 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: 17,035
    06-19-2013, 05:01 PM Go to last post
  6. 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: 14,272
    05-07-2013, 12:51 AM Go to last post
  7. quiet 230V contactor

    Started by SolarMike, 12-10-2011 01:07 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 13,811
    12-13-2011, 08:42 PM Go to last post
  8. Old Modine Make Up Air

    Started by Trevor11, 12-13-2011 11:22 PM
    • Replies: 4
    • Views: 12,237
    12-14-2011, 08:34 PM Go to last post
  9. Diagnosing Faulty TXV

    Started by dixie2005, 07-20-2005 09:22 PM
    • Replies: 9
    • Views: 10,220
    04-26-2013, 07:42 AM Go to last post
  10. Trane Voyager 1, 2, & 3

    Started by Scott10, 12-15-2011 03:07 PM
    • Replies: 8
    • Views: 9,796
    12-23-2011, 11:47 PM Go to last post
  11. face velocity formula

    Started by oldtimer2, 08-23-2010 04:54 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 9,708
    01-07-2012, 08:20 AM Go to last post
  12. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 9,275
    09-15-2013, 10:56 AM Go to last post
  13. 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: 8,990
    05-15-2012, 07:08 PM Go to last post
  14. r-22 with poe oil

    Started by anthonyac1, 03-12-2012 09:48 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 8,539
    03-27-2012, 09:05 PM Go to last post
  15. 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: 8,478
    06-21-2012, 10:06 PM Go to last post
  16. Oil foaming in Compressor sight glass

    Started by elvis66, 08-16-2011 11:57 AM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 8,364
    12-06-2011, 10:06 PM 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: 8,155
    09-14-2011, 09:03 PM Go to last post
  18. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 12:48 PM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 7,991
    08-21-2012, 02:32 PM Go to last post
  19. Lennox RTU Problem

    Started by mattster72, 12-15-2011 09:04 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 7,980
    12-24-2011, 02:28 PM Go to last post
  20. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 06:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 7,931
    09-18-2013, 05:50 AM Go to last post
  21. Typical overtime policies?

    Started by mcairrepair, 07-26-2012 10:06 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 7,822
    11-13-2012, 08:37 AM Go to last post
  22. Bitzer screw compressor

    Started by moideen, 05-20-2009 02:37 PM
    • Replies: 12
    • Views: 7,634
    09-22-2012, 01:32 PM Go to last post
  23. YCD Powerburner Issues

    Started by vin lashon, 12-09-2011 08:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 7,522
    04-08-2012, 07:14 PM Go to last post
  24. 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: 7,079
    09-17-2011, 10:28 PM Go to last post
  25. anyone know how trane reliatel system works?

    Started by deon1116, 02-02-2007 12:26 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 7,017
    04-10-2013, 08:41 PM Go to last post
  26. Pleats Vs. Poly Rolls

    Started by MicahWes, 12-08-2011 11:23 PM
    • Replies: 9
    • Views: 6,922
    12-15-2011, 09:19 AM Go to last post
    • Replies: 106
    • Views: 6,776
    01-29-2013, 07:00 PM Go to last post
  27. 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: 6,616
    01-15-2013, 12:13 AM Go to last post
  28. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 6,594
    01-21-2013, 05:50 PM Go to last post
  29. 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: 6,294
    09-28-2013, 02:17 PM Go to last post
  30. 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: 6,083
    09-05-2012, 07:46 AM Go to last post
  31. Refrigerant Stop Leak

    Started by gmac100, 03-16-2012 09:19 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 5,953
    05-21-2012, 03:37 PM Go to last post
  32. Buensod vav box..

    Started by Air_Head73, 07-06-2007 02:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 5,828
    12-21-2011, 01:31 PM Go to last post
  33. txv brazing techniques

    Started by mizzouhvac, 06-19-2011 08:56 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 5,818
    08-24-2011, 11:37 PM Go to last post
  34. Using a megger for hvac/r

    Started by akelesis, 08-12-2012 01:26 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 5,765
    09-05-2012, 07:02 AM Go to last post
    • Replies: 96
    • Views: 5,677
    02-04-2013, 11:14 AM Go to last post
  35. How much refrigerant can a recovery tank hold?

    Started by bgrich2003, 07-30-2012 10:28 AM
    • Replies: 11
    • Views: 5,592
    08-01-2012, 08:26 AM Go to last post
  36. COMPRESSOR LIFT

    Started by low pressure guy, 07-19-2009 09:08 AM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 5,570
    09-11-2013, 02:19 PM Go to last post
  37. txv with no expasion

    Started by dectradison, 10-05-2011 12:26 AM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 5,453
    02-06-2012, 09:10 PM Go to last post
  38. Trane Voyager combustion motors

    Started by chillrdude, 10-31-2008 08:25 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 5,380
    01-25-2012, 10:35 PM Go to last post
  39. Trane voyager service Manual

    Started by epacertified, 12-12-2009 02:29 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 5,311
    01-07-2013, 10:02 AM 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: 5,263
    11-13-2013, 06:35 AM Go to last post
  41. GROUNDED B PHASE

    Started by VTP99, 01-29-2012 02:43 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 5,254
    03-25-2012, 07:32 AM Go to last post
  42. Loss of flow alarms on new trane chiller!?!?

    Started by Wes G., 08-23-2012 11:23 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 5,223
    09-20-2012, 11:15 PM Go to last post
  43. Chiller surging - need your expertise

    Started by Sancho Pancho, 07-28-2009 06:46 PM
    2 Pages
    1 2
    19xr, carrier chiller, chiller, chiller trouble, surge, surging
    • Replies: 23
    • Views: 5,149
    08-19-2011, 05:01 PM Go to last post
  44. Honeywell 8610U failing

    Started by hvacpope, 12-01-2011 06:57 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,071
    12-13-2011, 12:26 AM Go to last post
  45. 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: 5,062
    07-14-2012, 09:33 PM Go to last post
  46. High suction pressure low to normal head?

    Started by Gonzo2611, 08-28-2012 10:13 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 4,960
    09-16-2012, 03:00 AM Go to last post
  47. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 4,959
    10-23-2013, 01:36 PM Go to last post
  48. Trane package unit

    Started by caheiman30, 08-15-2012 03:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 4,926
    08-22-2012, 12:45 AM Go to last post

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