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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: 8,030
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Commercial Honeywell gas valve

    Started by sgagne199, 04-30-2014 07:31 AM
    • Replies: 1
    • Views: 408
    04-30-2014, 08:07 AM Go to last post
  3. Preventive TV sizing

    Started by toptech, 04-29-2014 06:13 PM
    • Replies: 5
    • Views: 764
    04-30-2014, 12:24 AM Go to last post
  4. Ground source heat pumps

    Started by jstoyas5772, 04-29-2014 10:09 PM
    • Replies: 5
    • Views: 452
    04-29-2014, 11:13 PM Go to last post
  5. Sealed Leak and BAM New Leak

    Started by mpenney, 04-29-2014 09:00 PM
    • Replies: 1
    • Views: 383
    04-29-2014, 09:35 PM Go to last post
  6. Trane RTHC

    Started by mycougar, 04-29-2014 02:25 PM
    • Replies: 8
    • Views: 1,245
    04-29-2014, 08:25 PM Go to last post
  7. Trane Application guide

    Started by toptech, 04-29-2014 06:47 PM
    • Replies: 2
    • Views: 402
    04-29-2014, 08:15 PM Go to last post
  8. did not vacuum pump down

    Started by Blasters69, 04-23-2014 07:33 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 3,704
    04-29-2014, 05:10 PM Go to last post
  9. splitting 20 ton trane RTU

    Started by tmallsource, 04-22-2014 08:59 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,254
    04-29-2014, 03:00 PM Go to last post
  10. HTP boilers

    Started by ryan79, 04-26-2014 04:40 PM
    • Replies: 1
    • Views: 720
    04-28-2014, 08:11 PM Go to last post
  11. 313A Exam

    Started by affordablehvac, 04-21-2014 07:09 PM
    • Replies: 4
    • Views: 1,614
    04-28-2014, 06:40 PM Go to last post
  12. balancing hospital operating rooms

    Started by rich527, 04-25-2014 09:25 PM
    • Replies: 12
    • Views: 1,081
    04-28-2014, 06:40 AM Go to last post
    • Replies: 2
    • Views: 466
    04-27-2014, 09:00 PM Go to last post
  13. compressor not pumping

    Started by dave sulz, 04-25-2014 10:47 PM
    • Replies: 5
    • Views: 635
    04-26-2014, 08:00 PM Go to last post
  14. anyone familiar with fujitsu mini-splits?

    Started by Nam515, 04-24-2014 05:36 PM
    • Replies: 12
    • Views: 1,505
    04-25-2014, 04:51 PM Go to last post
  15. Armstrong - Magicpak HWC heat exchanger

    Started by Bill V., 04-24-2014 09:08 AM
    • Replies: 3
    • Views: 496
    04-24-2014, 11:53 PM Go to last post
  16. Compatibilty Issue???

    Started by refer1, 04-23-2014 07:20 PM
    • Replies: 8
    • Views: 879
    04-24-2014, 07:27 PM Go to last post
  17. micro channel coils

    Started by huckleberry8523, 04-15-2014 02:14 PM
    • Replies: 8
    • Views: 1,427
    04-24-2014, 01:03 PM Go to last post
  18. r22 at 300 psig?

    Started by mr.freeze01, 04-14-2014 06:36 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 4,278
    04-23-2014, 04:14 PM Go to last post
  19. Confused Moving to sales? Good decision? Bad decision?

    Started by tuba, 04-12-2014 11:13 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,005
    04-23-2014, 06:18 AM Go to last post
  20. 3 Phase Blower Reversing

    Started by HvacJaystl, 04-21-2014 11:41 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,124
    04-22-2014, 10:00 PM Go to last post
  21. Water regulating valve on chilled water coil

    Started by nmt6789, 04-22-2014 05:52 PM
    • Replies: 7
    • Views: 998
    04-22-2014, 09:26 PM Go to last post
  22. Megger readings

    Started by sraburne, 04-10-2014 11:46 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 4,534
    04-21-2014, 07:24 PM Go to last post
  23. DDC Training

    Started by Iceman_pdx, 04-20-2014 11:56 PM
    • Replies: 4
    • Views: 2,163
    04-21-2014, 05:02 PM Go to last post
  24. Weight of Trane RTU?

    Started by Cbssteve, 04-16-2014 05:22 PM
    • Replies: 3
    • Views: 871
    04-18-2014, 12:32 PM Go to last post
  25. York Chiller

    Started by Charlie1776, 08-01-2012 10:04 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,813
    04-17-2014, 10:42 PM Go to last post
  26. Tadiran brand ductless mini split??

    Started by mr_guy, 04-17-2014 08:53 PM
    • Replies: 0
    • Views: 451
    04-17-2014, 08:53 PM Go to last post
  27. Amp draw on 7.5 ton Carrier

    Started by chillywill, 04-16-2014 07:54 PM
    • Replies: 7
    • Views: 971
    04-17-2014, 08:06 PM Go to last post
  28. System charging question

    Started by bigbucks, 03-20-2014 01:22 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 4,551
    04-17-2014, 06:48 PM Go to last post
  29. GE Trane AHU-replace motor

    Started by timjimbob, 04-14-2014 12:17 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,479
    04-17-2014, 02:53 PM Go to last post
  30. Industrial Air Compressor Help Advice

    Started by lowtech, 11-09-2013 06:47 PM
    • Replies: 11
    • Views: 1,567
    04-17-2014, 02:24 AM Go to last post
  31. Problem: Solids in AHU Plenum

    Started by EntropyM, 04-17-2014 12:18 AM
    • Replies: 0
    • Views: 280
    04-17-2014, 12:18 AM Go to last post
  32. daikin vrv heat recovery system

    Started by davison8410, 04-15-2014 06:18 PM
    • Replies: 4
    • Views: 1,106
    04-16-2014, 07:43 PM Go to last post
  33. Confused Carrier screw chiller will not reset

    Started by rgb, 07-04-2012 08:35 AM
    • Replies: 12
    • Views: 2,615
    04-16-2014, 01:03 AM Go to last post
  34. Computer Room AC, Dehumidify without Re-Heat coil?

    Started by Shard, 03-11-2014 03:38 AM
    • Replies: 7
    • Views: 1,308
    04-15-2014, 10:47 PM Go to last post
    • Replies: 4
    • Views: 1,129
    04-15-2014, 10:38 PM Go to last post
  35. 90 ton Intellipak supply fan trouble

    Started by masterjc, 04-08-2014 03:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,105
    04-14-2014, 09:24 PM Go to last post
  36. Trane RTHA TRANE

    Started by Toby1Knobi, 04-12-2014 07:45 AM
    • Replies: 5
    • Views: 816
    04-14-2014, 12:16 PM Go to last post
  37. Ammonia in the air

    Started by 929rc51, 04-13-2014 07:23 PM
    • Replies: 6
    • Views: 929
    04-13-2014, 08:33 PM Go to last post
  38. power flame burner

    Started by dave sulz, 04-01-2014 07:09 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,996
    04-11-2014, 09:10 AM Go to last post
  39. Aaon digital compressor unloader

    Started by jebes, 04-09-2014 09:01 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,860
    04-11-2014, 07:55 AM Go to last post
  40. changing from R22 to 410A

    Started by The Juice, 04-04-2014 10:04 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 3,909
    04-10-2014, 10:15 PM Go to last post
  41. zephyr dehumidifier problem

    Started by rdantz, 02-28-2014 04:58 PM
    • Replies: 1
    • Views: 489
    04-10-2014, 02:58 PM Go to last post
  42. Power Exhaust

    Started by Haley0123, 04-01-2014 04:17 PM
    • Replies: 6
    • Views: 1,047
    04-10-2014, 02:33 PM Go to last post
  43. Confused PTAC Unit Install

    Started by justdan, 03-17-2014 02:40 AM
    • Replies: 6
    • Views: 1,255
    04-09-2014, 02:12 PM Go to last post
  44. Shipco condensate pump

    Started by dave sulz, 04-07-2014 06:30 PM
    • Replies: 3
    • Views: 616
    04-09-2014, 07:12 AM Go to last post
  45. 19xrv

    Started by GOG, 04-08-2014 09:13 PM
    • Replies: 1
    • Views: 561
    04-08-2014, 11:12 PM Go to last post
  46. Fedders Old Old Model CGE028A5A Heat/Cooling

    Started by nrowey, 11-25-2013 05:06 PM
    • Replies: 3
    • Views: 819
    04-08-2014, 01:10 PM Go to last post
  47. input and out put voltage of a transformer the same.

    Started by anthonyac1, 03-29-2014 12:22 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 3,700
    04-07-2014, 11:28 PM Go to last post
  48. Heatcraft evap coil

    Started by Alitakjack, 04-06-2014 11:35 PM
    • Replies: 4
    • Views: 912
    04-07-2014, 05:18 PM Go to last post
  49. what is causing txv to swing

    Started by hvac17011, 04-01-2014 08:06 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 4,608
    04-07-2014, 10:23 AM Go to last post

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