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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: 6,353
    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: 138,921
    07-28-2013, 09:10 AM Go to last post
  3. 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: 36,168
    08-08-2013, 06:59 PM Go to last post
  4. ISCEON® MO99™ refrigerant ( R-438a )

    Started by freonguy, 08-18-2009 05:15 PM
    5 Pages
    1 2 3 4 5
    • Replies: 53
    • Views: 33,279
    09-20-2012, 11:16 AM 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: 28,532
    08-02-2012, 07:34 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: 24,416
    08-20-2014, 10:22 PM Go to last post
  7. r-22 with poe oil

    Started by anthonyac1, 03-12-2012 09:48 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 22,091
    08-13-2014, 05:34 PM Go to last post
  8. How much refrigerant can a recovery tank hold?

    Started by bgrich2003, 07-30-2012 10:28 AM
    • Replies: 11
    • Views: 16,404
    08-01-2012, 08:26 AM Go to last post
  9. 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: 16,238
    10-20-2014, 06:02 PM Go to last post
  10. face velocity formula

    Started by oldtimer2, 08-23-2010 04:54 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 15,834
    05-20-2014, 01:39 AM Go to last post
  11. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 15,781
    09-15-2013, 10:56 AM Go to last post
  12. quiet 230V contactor

    Started by SolarMike, 12-10-2011 02:07 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 15,278
    12-13-2011, 09:42 PM Go to last post
  13. Oil foaming in Compressor sight glass

    Started by elvis66, 08-16-2011 11:57 AM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 14,631
    12-06-2011, 11:06 PM Go to last post
  14. refrigerant restriction

    Started by johnnyb, 05-03-2014 10:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 14,220
    08-02-2014, 09:11 PM Go to last post
  15. Diagnosing Faulty TXV

    Started by dixie2005, 07-20-2005 09:22 PM
    • Replies: 9
    • Views: 13,507
    04-26-2013, 07:42 AM Go to last post
  16. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 01:48 PM
    5 Pages
    1 2 3 4 5
    • Replies: 63
    • Views: 12,917
    04-16-2015, 07:42 AM Go to last post
  17. Old Modine Make Up Air

    Started by Trevor11, 12-14-2011 12:22 AM
    • Replies: 4
    • Views: 12,611
    12-14-2011, 09:34 PM Go to last post
  18. Johnson Controls

    Started by huckleberryjay, 06-10-2010 10:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 12,317
    09-14-2011, 09:03 PM Go to last post
  19. 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: 12,218
    06-21-2012, 10:06 PM Go to last post
  20. Anyone doing Family Dollar or Dollar General service?

    Started by MechTech2013, 06-06-2014 02:04 AM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 107
    • Views: 11,943
    Yesterday, 07:23 PM Go to last post
  21. High suction pressure low to normal head?

    Started by Gonzo2611, 08-28-2012 10:13 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 11,738
    09-16-2012, 03:00 AM Go to last post
    • Replies: 106
    • Views: 11,127
    01-29-2013, 08:00 PM Go to last post
  22. Typical overtime policies?

    Started by mcairrepair, 07-26-2012 10:06 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 11,075
    11-13-2012, 09:37 AM Go to last post
  23. 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: 10,975
    09-17-2011, 10:28 PM Go to last post
  24. 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: 10,954
    09-28-2013, 02:17 PM Go to last post
  25. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 10,901
    05-11-2014, 03:23 PM Go to last post
  26. 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: 10,525
    01-15-2013, 01:13 AM Go to last post
  27. Trane Voyager 1, 2, & 3

    Started by Scott10, 12-15-2011 04:07 PM
    • Replies: 8
    • Views: 10,494
    12-24-2011, 12:47 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: 10,286
    04-10-2013, 08:41 PM Go to last post
  29. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 10,256
    01-21-2013, 06:50 PM Go to last post
  30. 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: 10,085
    07-14-2015, 09:28 AM Go to last post
    • Replies: 176
    • Views: 10,036
    07-25-2014, 04:26 PM Go to last post
  31. VRF

    Started by acman17, 05-19-2014 08:20 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 10,033
    07-09-2014, 06:20 PM Go to last post
  32. Lennox RTU Problem

    Started by mattster72, 12-15-2011 10:04 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 9,921
    12-24-2011, 03:28 PM Go to last post
  33. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 06:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 9,789
    09-18-2013, 05:50 AM Go to last post
  34. Water source heat pump high head pressure

    Started by PolarBearAir, 09-16-2011 09:57 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 9,739
    11-01-2014, 09:13 AM Go to last post
    • Replies: 96
    • Views: 9,504
    02-04-2013, 12:14 PM Go to last post
  35. Refrigerant Stop Leak

    Started by gmac100, 03-16-2012 09:19 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 9,477
    05-21-2012, 03:37 PM Go to last post
  36. Bitzer screw compressor

    Started by moideen, 05-20-2009 02:37 PM
    • Replies: 12
    • Views: 9,267
    09-22-2012, 01:32 PM Go to last post
  37. 3 phase ac compressor

    Started by biggi, 04-16-2013 08:34 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 9,217
    04-20-2013, 07:09 AM Go to last post
  38. Daikin VRV

    Started by ChaseW, 05-27-2012 10:05 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 9,172
    11-13-2013, 07:35 AM Go to last post
  39. 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: 8,994
    09-20-2012, 11:15 PM Go to last post
  40. Using a megger for hvac/r

    Started by akelesis, 08-12-2012 01:26 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 8,784
    09-05-2012, 07:02 AM Go to last post
  41. Trane package unit

    Started by caheiman30, 08-15-2012 03:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 8,721
    08-22-2012, 12:45 AM Go to last post
  42. txv brazing techniques

    Started by mizzouhvac, 06-19-2011 08:56 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 8,635
    08-24-2011, 11:37 PM Go to last post
  43. COMPRESSOR LIFT

    Started by low pressure guy, 07-19-2009 09:08 AM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 8,603
    05-03-2014, 11:49 AM Go to last post
  44. 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: 8,570
    09-05-2012, 07:46 AM 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: 8,501
    03-25-2012, 07:32 AM Go to last post
  46. YCD Powerburner Issues

    Started by vin lashon, 12-09-2011 09:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 8,199
    04-08-2012, 07:14 PM Go to last post
  47. 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: 8,191
    07-14-2012, 09:33 PM Go to last post
  48. Buensod vav box..

    Started by Air_Head73, 07-06-2007 02:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 8,106
    12-21-2011, 02:31 PM Go to last post

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