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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

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  2. Sticky Thread NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 05:34 PM
    • Replies: 0
    • Views: 4,499
    08-10-2011, 05:34 PM Go to last post
  1. Normal Thread Normal Threads

    Title / Thread Starter Replies / Views Last Post By
  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: 125,530
    07-28-2013, 10:10 AM Go to last post
  3. EXV problems on Carrier 30GT Chiller

    Started by hvac-alan, 09-02-2005 08:23 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 32,569
    08-08-2013, 07:59 PM Go to last post
  4. ISCEON® MO99™ refrigerant ( R-438a )

    Started by freonguy, 08-18-2009 06:15 PM
    5 Pages
    1 2 3 4 5
    • Replies: 53
    • Views: 26,229
    09-20-2012, 12:16 PM Go to last post
  5. Best Recovery Machines

    Started by softtail, 01-01-2007 02:00 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 23,036
    08-02-2012, 08:34 PM Go to last post
  6. 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: 21,553
    08-20-2014, 11:22 PM Go to last post
  7. r-22 with poe oil

    Started by anthonyac1, 03-12-2012 10:48 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 15,843
    08-13-2014, 06:34 PM Go to last post
  8. quiet 230V contactor

    Started by SolarMike, 12-10-2011 02:07 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,648
    12-13-2011, 09:42 PM Go to last post
  9. face velocity formula

    Started by oldtimer2, 08-23-2010 05:54 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 13,141
    05-20-2014, 02:39 AM Go to last post
  10. CO2 Purge for brazing?

    Started by dprimrose, 08-18-2009 11:19 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 109
    • Views: 12,683
    10-20-2014, 07:02 PM Go to last post
  11. on call

    Started by northeastbeast, 08-02-2013 08:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 12,587
    09-15-2013, 11:56 AM Go to last post
  12. Old Modine Make Up Air

    Started by Trevor11, 12-14-2011 12:22 AM
    • Replies: 4
    • Views: 12,449
    12-14-2011, 09:34 PM Go to last post
  13. Diagnosing Faulty TXV

    Started by dixie2005, 07-20-2005 10:22 PM
    • Replies: 9
    • Views: 12,132
    04-26-2013, 08:42 AM Go to last post
  14. Oil foaming in Compressor sight glass

    Started by elvis66, 08-16-2011 12:57 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 11,272
    12-06-2011, 11:06 PM Go to last post
  15. How much refrigerant can a recovery tank hold?

    Started by bgrich2003, 07-30-2012 11:28 AM
    • Replies: 11
    • Views: 10,357
    08-01-2012, 09:26 AM Go to last post
  16. Johnson Controls

    Started by huckleberryjay, 06-10-2010 11:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 10,340
    09-14-2011, 10:03 PM Go to last post
  17. Brazing with refrigerant in pipe

    Started by HuNGRYTeCH, 05-22-2012 04:15 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 10,311
    06-21-2012, 11:06 PM Go to last post
  18. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 01:48 PM
    5 Pages
    1 2 3 4 5
    • Replies: 62
    • Views: 10,309
    07-15-2014, 12:57 PM Go to last post
  19. Trane Voyager 1, 2, & 3

    Started by Scott10, 12-15-2011 04:07 PM
    • Replies: 8
    • Views: 10,176
    12-24-2011, 12:47 AM Go to last post
  20. Typical overtime policies?

    Started by mcairrepair, 07-26-2012 11:06 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 9,299
    11-13-2012, 09:37 AM Go to last post
  21. 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: 9,111
    09-17-2011, 11:28 PM Go to last post
  22. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 07:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 8,962
    09-18-2013, 06:50 AM Go to last post
  23. Lennox RTU Problem

    Started by mattster72, 12-15-2011 10:04 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 8,917
    12-24-2011, 03:28 PM Go to last post
  24. refrigerant restriction

    Started by johnnyb, 05-03-2014 11:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 8,820
    08-02-2014, 10:11 PM Go to last post
    • Replies: 106
    • Views: 8,819
    01-29-2013, 08:00 PM Go to last post
  25. Plant operator??

    Started by newtradesman, 10-21-2004 05:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 8,798
    01-21-2013, 06:50 PM Go to last post
  26. Confused Commercial technician, thinking about switching to residential.

    Started by comoutsid322, 04-23-2013 12:43 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 101
    • Views: 8,580
    09-28-2013, 03:17 PM Go to last post
  27. Carlyle compressor

    Started by Chris1570, 08-22-2013 09:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 8,560
    05-11-2014, 04:23 PM Go to last post
  28. anyone know how trane reliatel system works?

    Started by deon1116, 02-02-2007 01:26 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 8,515
    04-10-2013, 09:41 PM Go to last post
  29. Bitzer screw compressor

    Started by moideen, 05-20-2009 03:37 PM
    • Replies: 12
    • Views: 8,507
    09-22-2012, 02:32 PM Go to last post
  30. 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: 8,497
    01-15-2013, 01:13 AM Go to last post
  31. High suction pressure low to normal head?

    Started by Gonzo2611, 08-28-2012 11:13 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 7,924
    09-16-2012, 04:00 AM Go to last post
  32. YCD Powerburner Issues

    Started by vin lashon, 12-09-2011 09:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 7,801
    04-08-2012, 08:14 PM Go to last post
  33. Refrigerant Stop Leak

    Started by gmac100, 03-16-2012 10:19 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 7,675
    05-21-2012, 04:37 PM Go to last post
  34. 30 ton split R-22 to 410a

    Started by allstar08, 07-08-2011 08:41 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 7,563
    09-05-2012, 08:46 AM Go to last post
  35. Using a megger for hvac/r

    Started by akelesis, 08-12-2012 02:26 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 7,332
    09-05-2012, 08:02 AM Go to last post
    • Replies: 96
    • Views: 7,304
    02-04-2013, 12:14 PM Go to last post
  36. txv brazing techniques

    Started by mizzouhvac, 06-19-2011 09:56 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 7,283
    08-25-2011, 12:37 AM Go to last post
  37. Pleats Vs. Poly Rolls

    Started by MicahWes, 12-09-2011 12:23 AM
    • Replies: 9
    • Views: 7,223
    12-15-2011, 10:19 AM Go to last post
  38. COMPRESSOR LIFT

    Started by low pressure guy, 07-19-2009 10:08 AM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 7,216
    05-03-2014, 12:49 PM Go to last post
  39. VRF

    Started by acman17, 05-19-2014 09:20 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 7,154
    07-09-2014, 07:20 PM Go to last post
  40. Anyone doing Family Dollar or Dollar General service?

    Started by MechTech2013, 06-06-2014 03:04 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 92
    • Views: 7,127
    09-02-2014, 12:15 AM Go to last post
  41. Buensod vav box..

    Started by Air_Head73, 07-06-2007 03:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 7,078
    12-21-2011, 02:31 PM Go to last post
  42. Loss of flow alarms on new trane chiller!?!?

    Started by Wes G., 08-24-2012 12:23 AM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 7,057
    09-21-2012, 12:15 AM Go to last post
  43. Daikin VRV

    Started by ChaseW, 05-27-2012 11:05 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 7,056
    11-13-2013, 07:35 AM Go to last post
  44. Trane package unit

    Started by caheiman30, 08-15-2012 04:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 6,882
    08-22-2012, 01:45 AM Go to last post
    • Replies: 176
    • Views: 6,732
    07-25-2014, 05:26 PM Go to last post
  45. GROUNDED B PHASE

    Started by VTP99, 01-29-2012 03:43 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 6,728
    03-25-2012, 08:32 AM Go to last post
  46. Trane Voyager combustion motors

    Started by chillrdude, 10-31-2008 09:25 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 6,544
    01-25-2012, 11:35 PM Go to last post
  47. RTU's not cooling the building enough

    Started by abcando, 07-06-2012 01:41 AM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 6,468
    07-14-2012, 10:33 PM Go to last post
  48. Trane voyager service Manual

    Started by epacertified, 12-12-2009 03:29 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 6,462
    01-07-2013, 11:02 AM Go to last post

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