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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: 4,842
    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: 128,655
    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: 33,313
    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: 27,563
    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: 24,132
    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: 22,600
    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: 16,807
    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: 14,825
    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: 13,783
    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: 13,346
    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: 13,208
    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: 12,480
    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: 12,320
    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: 11,871
    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: 11,322
    08-01-2012, 09:26 AM Go to last post
  16. 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: 10,812
    06-21-2012, 11:06 PM Go to last post
  17. Johnson Controls

    Started by huckleberryjay, 06-10-2010 11:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 10,747
    09-14-2011, 10:03 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: 10,731
    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: 10,237
    12-24-2011, 12:47 AM Go to last post
  20. refrigerant restriction

    Started by johnnyb, 05-03-2014 11:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 10,002
    08-02-2014, 10:11 PM Go to last post
  21. Typical overtime policies?

    Started by mcairrepair, 07-26-2012 11:06 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 9,745
    11-13-2012, 09:37 AM Go to last post
  22. 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: 9,600
    09-17-2011, 11:28 PM Go to last post
    • Replies: 106
    • Views: 9,386
    01-29-2013, 08:00 PM Go to last post
  23. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 07:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 9,244
    09-18-2013, 06:50 AM Go to last post
  24. Lennox RTU Problem

    Started by mattster72, 12-15-2011 10:04 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 9,198
    12-24-2011, 03:28 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: 9,034
    01-21-2013, 06:50 PM Go to last post
  26. Carlyle compressor

    Started by Chris1570, 08-22-2013 09:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 9,013
    05-11-2014, 04:23 PM Go to last post
  27. 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: 8,956
    01-15-2013, 01:13 AM 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: 8,923
    04-10-2013, 09:41 PM Go to last post
  29. 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: 8,909
    09-28-2013, 03:17 PM Go to last post
  30. Bitzer screw compressor

    Started by moideen, 05-20-2009 03:37 PM
    • Replies: 12
    • Views: 8,759
    09-22-2012, 02:32 PM Go to last post
  31. 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: 94
    • Views: 8,287
    01-20-2015, 10:24 AM Go to last post
  32. High suction pressure low to normal head?

    Started by Gonzo2611, 08-28-2012 11:13 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 8,242
    09-16-2012, 04:00 AM 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: 8,019
    05-21-2012, 04:37 PM Go to last post
  34. YCD Powerburner Issues

    Started by vin lashon, 12-09-2011 09:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 7,854
    04-08-2012, 08:14 PM Go to last post
    • Replies: 96
    • Views: 7,845
    02-04-2013, 12:14 PM Go to last post
  35. 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: 7,770
    09-05-2012, 08:46 AM Go to last post
  36. VRF

    Started by acman17, 05-19-2014 09:20 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 7,764
    07-09-2014, 07:20 PM Go to last post
  37. Using a megger for hvac/r

    Started by akelesis, 08-12-2012 02:26 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 7,633
    09-05-2012, 08:02 AM Go to last post
  38. Daikin VRV

    Started by ChaseW, 05-27-2012 11:05 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 7,618
    11-13-2013, 07:35 AM Go to last post
  39. txv brazing techniques

    Started by mizzouhvac, 06-19-2011 09:56 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 7,542
    08-25-2011, 12:37 AM Go to last post
  40. COMPRESSOR LIFT

    Started by low pressure guy, 07-19-2009 10:08 AM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 7,488
    05-03-2014, 12:49 PM Go to last post
  41. 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: 7,463
    09-21-2012, 12:15 AM Go to last post
    • Replies: 176
    • Views: 7,457
    07-25-2014, 05:26 PM Go to last post
  42. Trane package unit

    Started by caheiman30, 08-15-2012 04:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 7,406
    08-22-2012, 01:45 AM Go to last post
  43. Water source heat pump high head pressure

    Started by PolarBearAir, 09-16-2011 10:57 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 7,350
    11-01-2014, 10:13 AM Go to last post
  44. Buensod vav box..

    Started by Air_Head73, 07-06-2007 03:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 7,315
    12-21-2011, 02:31 PM Go to last post
  45. Pleats Vs. Poly Rolls

    Started by MicahWes, 12-09-2011 12:23 AM
    • Replies: 9
    • Views: 7,297
    12-15-2011, 10:19 AM Go to last post
  46. GROUNDED B PHASE

    Started by VTP99, 01-29-2012 03:43 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 7,092
    03-25-2012, 08:32 AM Go to last post
  47. Trane Voyager combustion motors

    Started by chillrdude, 10-31-2008 09:25 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 6,953
    01-25-2012, 11:35 PM Go to last post
  48. 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: 6,891
    07-14-2012, 10:33 PM Go to last post

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