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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: 4,003
    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: 115,417
    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: 31,048
    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: 24,337
    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: 21,161
    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
    6 Pages
    1 2 3 4 5 6
    • Replies: 71
    • Views: 20,087
    08-20-2014, 10:22 PM Go to last post
  6. quiet 230V contactor

    Started by SolarMike, 12-10-2011 01:07 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,288
    12-13-2011, 08:42 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: 13,916
    08-13-2014, 05:34 PM Go to last post
  8. Old Modine Make Up Air

    Started by Trevor11, 12-13-2011 11:22 PM
    • Replies: 4
    • Views: 12,369
    12-14-2011, 08:34 PM Go to last post
  9. face velocity formula

    Started by oldtimer2, 08-23-2010 04:54 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 11,887
    05-20-2014, 01:39 AM Go to last post
  10. Diagnosing Faulty TXV

    Started by dixie2005, 07-20-2005 09:22 PM
    • Replies: 9
    • Views: 11,713
    04-26-2013, 07:42 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: 11,479
    09-15-2013, 10:56 AM Go to last post
  12. 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: 10,515
    05-15-2012, 07:08 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: 10,270
    12-06-2011, 10:06 PM Go to last post
  14. Trane Voyager 1, 2, & 3

    Started by Scott10, 12-15-2011 03:07 PM
    • Replies: 8
    • Views: 10,013
    12-23-2011, 11:47 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: 9,714
    06-21-2012, 10:06 PM Go to last post
  16. Johnson Controls

    Started by huckleberryjay, 06-10-2010 10:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 70
    • Views: 9,517
    09-14-2011, 09:03 PM Go to last post
  17. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 12:48 PM
    5 Pages
    1 2 3 4 5
    • Replies: 62
    • Views: 9,371
    07-15-2014, 11:57 AM Go to last post
  18. How much refrigerant can a recovery tank hold?

    Started by bgrich2003, 07-30-2012 10:28 AM
    • Replies: 11
    • Views: 8,817
    08-01-2012, 08:26 AM Go to last post
  19. Typical overtime policies?

    Started by mcairrepair, 07-26-2012 10:06 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 8,798
    11-13-2012, 08:37 AM 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: 8,543
    09-18-2013, 05:50 AM Go to last post
  21. Lennox RTU Problem

    Started by mattster72, 12-15-2011 09:04 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 8,484
    12-24-2011, 02:28 PM Go to last post
  22. 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: 8,333
    09-17-2011, 10:28 PM Go to last post
  23. Bitzer screw compressor

    Started by moideen, 05-20-2009 02:37 PM
    • Replies: 12
    • Views: 8,148
    09-22-2012, 01:32 PM Go to last post
    • Replies: 106
    • Views: 8,077
    01-29-2013, 07:00 PM Go to last post
  24. anyone know how trane reliatel system works?

    Started by deon1116, 02-02-2007 12:26 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 7,969
    04-10-2013, 08:41 PM Go to last post
  25. 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: 7,869
    01-15-2013, 12:13 AM Go to last post
  26. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 7,836
    01-21-2013, 05:50 PM Go to last post
  27. 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: 7,703
    09-28-2013, 02:17 PM Go to last post
  28. YCD Powerburner Issues

    Started by vin lashon, 12-09-2011 08:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 7,654
    04-08-2012, 07:14 PM Go to last post
  29. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 7,454
    05-11-2014, 03:23 PM Go to last post
  30. High suction pressure low to normal head?

    Started by Gonzo2611, 08-28-2012 10:13 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 7,410
    09-16-2012, 03:00 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: 7,294
    05-21-2012, 03:37 PM Go to last post
  32. Pleats Vs. Poly Rolls

    Started by MicahWes, 12-08-2011 11:23 PM
    • Replies: 9
    • Views: 7,124
    12-15-2011, 09:19 AM Go to last post
  33. 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: 7,011
    09-05-2012, 07:46 AM 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: 6,862
    09-05-2012, 07:02 AM Go to last post
  35. txv brazing techniques

    Started by mizzouhvac, 06-19-2011 08:56 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 6,809
    08-24-2011, 11:37 PM Go to last post
    • Replies: 96
    • Views: 6,754
    02-04-2013, 11:14 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: 44
    • Views: 6,647
    05-03-2014, 11:49 AM Go to last post
  37. Buensod vav box..

    Started by Air_Head73, 07-06-2007 02:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 6,636
    12-21-2011, 01:31 PM Go to last post
  38. refrigerant restriction

    Started by johnnyb, 05-03-2014 10:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 6,535
    08-02-2014, 09:11 PM Go to last post
  39. Daikin VRV

    Started by ChaseW, 05-27-2012 10:05 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 6,445
    11-13-2013, 06:35 AM Go to last post
  40. 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: 6,399
    09-20-2012, 11:15 PM 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: 6,241
    03-25-2012, 07:32 AM Go to last post
  42. Trane package unit

    Started by caheiman30, 08-15-2012 03:16 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 6,230
    08-22-2012, 12:45 AM Go to last post
  43. VRF

    Started by acman17, 05-19-2014 08:20 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 6,165
    07-09-2014, 06:20 PM Go to last post
  44. Anyone doing Family Dollar or Dollar General service?

    Started by MechTech2013, 06-06-2014 02:04 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 92
    • Views: 6,119
    09-01-2014, 11:15 PM Go to last post
  45. Trane Voyager combustion motors

    Started by chillrdude, 10-31-2008 08:25 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 6,086
    01-25-2012, 10:35 PM Go to last post
  46. Trane voyager service Manual

    Started by epacertified, 12-12-2009 02:29 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 6,046
    01-07-2013, 10:02 AM 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: 6,018
    07-14-2012, 09:33 PM Go to last post
  48. 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: 5,872
    08-19-2011, 05:01 PM Go to last post

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