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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: 10,772
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Confused Trane RTAC chiller 170 tons alarm

    Started by jaime2, 10-27-2015 10:22 PM
    • Replies: 0
    • Views: 610
    10-27-2015, 10:22 PM Go to last post
  3. TR200 VFD troubleshooting

    Started by tim197304, 10-27-2015 02:51 PM
    • Replies: 1
    • Views: 565
    10-27-2015, 06:31 PM Go to last post
  4. hot gas bypass

    Started by B.C.Mech, 10-27-2015 12:02 AM
    • Replies: 11
    • Views: 1,958
    10-27-2015, 12:59 PM Go to last post
  5. Need a little help with a power flame burner

    Started by estea/c, 09-26-2013 08:15 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,790
    10-27-2015, 01:27 AM Go to last post
  6. 3 Phase unit wired backwards

    Started by k_wayne, 10-22-2015 11:27 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,519
    10-25-2015, 03:45 PM Go to last post
  7. ICE-Con burner setup software

    Started by LordHuey, 02-11-2013 01:54 PM
    • Replies: 10
    • Views: 2,407
    10-25-2015, 07:47 AM Go to last post
  8. Non condensed gas

    Started by chelo777, 10-20-2015 02:22 PM
    • Replies: 7
    • Views: 1,532
    10-24-2015, 05:49 PM Go to last post
  9. Trane rtaa300 problem

    Started by Balex, 06-13-2015 09:59 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,146
    10-23-2015, 11:55 PM Go to last post
  10. Residential to commercial

    Started by LzrdA/C103, 10-11-2015 12:27 AM
    • Replies: 9
    • Views: 1,645
    10-23-2015, 11:04 PM Go to last post
  11. I need to explain

    Started by Fan Curve, 10-20-2015 02:04 AM
    • Replies: 7
    • Views: 1,264
    10-23-2015, 07:07 PM Go to last post
  12. Odd Trane Problem

    Started by jim22, 02-11-2014 05:23 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 4,064
    10-22-2015, 05:27 PM Go to last post
  13. Pump switching

    Started by FREDIEFREON, 10-14-2015 02:51 PM
    • Replies: 6
    • Views: 934
    10-22-2015, 12:06 AM Go to last post
  14. As Built or Revised Wiring Diagrams

    Started by TeemsSteam, 10-19-2015 02:07 PM
    • Replies: 5
    • Views: 888
    10-21-2015, 11:45 AM Go to last post
  15. Looking for custom built 40ton air handler

    Started by ryankhouston, 10-21-2015 09:58 AM
    • Replies: 2
    • Views: 436
    10-21-2015, 11:09 AM Go to last post
  16. Mitsubishi t/stat compatability issue?

    Started by Mikeylikesit, 10-16-2015 02:33 PM
    • Replies: 8
    • Views: 1,358
    10-21-2015, 11:09 AM Go to last post
  17. Sanyo vrf

    Started by jutkhvac, 10-20-2015 11:18 AM
    • Replies: 2
    • Views: 606
    10-20-2015, 05:41 PM Go to last post
  18. duct smoke detectors

    Started by william s, 10-15-2015 03:00 PM
    • Replies: 2
    • Views: 679
    10-19-2015, 09:45 PM Go to last post
  19. Confused Heat pump working without water flow control?

    Started by moideen, 10-18-2015 01:11 AM
    • Replies: 6
    • Views: 1,109
    10-19-2015, 09:12 AM Go to last post
  20. Using a fuse to test pressure switches that have opened.

    Started by jweast64, 10-17-2015 05:11 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 3,354
    10-18-2015, 01:51 PM Go to last post
  21. York High duct-P #1 lock out alarm

    Started by drpsr99, 10-15-2015 10:23 AM
    • Replies: 2
    • Views: 511
    10-17-2015, 06:17 PM Go to last post
  22. help with micron gauge

    Started by rrobmac, 09-10-2015 08:42 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 5,018
    10-17-2015, 09:09 AM Go to last post
    • Replies: 7
    • Views: 1,171
    10-17-2015, 08:25 AM Go to last post
  23. To you lennox Gurus

    Started by Junior1983, 08-24-2015 03:09 PM
    • Replies: 3
    • Views: 1,362
    10-16-2015, 07:55 PM Go to last post
  24. P/m's

    Started by techreptdh, 10-16-2015 08:03 AM
    • Replies: 7
    • Views: 1,053
    10-16-2015, 03:53 PM Go to last post
  25. Mitsubishi M-Net protocol

    Started by techservices, 10-15-2015 07:34 AM
    • Replies: 1
    • Views: 1,102
    10-16-2015, 10:12 AM Go to last post
  26. Smile VFD, 3 phase, phase reactors and phase loss, OH MY!

    Started by DDCSD, 10-10-2015 01:57 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,088
    10-15-2015, 01:10 PM Go to last post
  27. H31. I passed the Exam!

    Started by precisecond, 10-12-2015 07:12 AM
    • Replies: 5
    • Views: 1,965
    10-15-2015, 12:18 PM Go to last post
  28. Question??

    Started by MisterFixer, 11-23-2014 02:32 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 6,099
    10-15-2015, 11:16 AM Go to last post
  29. Geothermal Never working

    Started by rvandervelden, 10-13-2015 10:16 PM
    • Replies: 7
    • Views: 947
    10-14-2015, 11:02 PM Go to last post
  30. Reliatel replacement ignition module

    Started by wvuboarder, 12-04-2011 11:47 AM
    • Replies: 11
    • Views: 1,994
    10-14-2015, 06:59 PM Go to last post
  31. Bacharach fyrite

    Started by spymoocow, 10-13-2015 02:15 PM
    • Replies: 1
    • Views: 594
    10-13-2015, 04:47 PM Go to last post
  32. R-22 bottle bummer

    Started by gazoo, 10-12-2015 08:57 PM
    • Replies: 12
    • Views: 3,078
    10-13-2015, 03:17 PM Go to last post
  33. High head. Overcharge.

    Started by GenesisRefrig, 08-03-2015 10:08 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 4,939
    10-13-2015, 09:32 AM Go to last post
  34. Sorry ahead of time if I am an A-hole but:

    Started by acjourneyman, 10-10-2015 03:49 PM
    • Replies: 10
    • Views: 1,848
    10-12-2015, 11:47 AM Go to last post
  35. Hmm Heavy Vibration

    Started by Fan Curve, 09-29-2015 03:36 AM
    • Replies: 10
    • Views: 2,263
    10-12-2015, 10:46 AM Go to last post
  36. Tape for filters

    Started by DDCSD, 09-29-2015 12:20 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,966
    10-11-2015, 02:51 PM Go to last post
  37. Equipment Sizing in very hot and humid climate

    Started by moe tech, 10-01-2015 02:49 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,691
    10-10-2015, 06:10 PM Go to last post
    • Replies: 0
    • Views: 690
    10-10-2015, 03:12 PM Go to last post
  38. Getting in to boilers

    Started by GrizzlyB, 09-28-2015 12:49 PM
    • Replies: 2
    • Views: 1,205
    10-10-2015, 12:45 PM Go to last post
  39. Pigeons

    Started by Drunkgoat, 10-04-2015 07:19 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,660
    10-10-2015, 11:46 AM Go to last post
  40. Confused Wiring help for Goodman RTU

    Started by MrTech2u, 10-04-2015 05:45 PM
    • Replies: 4
    • Views: 1,215
    10-09-2015, 11:26 PM Go to last post
  41. Lifebreath HRV

    Started by Iceman_pdx, 10-09-2015 10:15 PM
    • Replies: 0
    • Views: 801
    10-09-2015, 10:15 PM Go to last post
  42. Flat rate systems

    Started by btuexpert, 09-30-2015 01:50 PM
    • Replies: 3
    • Views: 1,513
    10-08-2015, 11:59 PM Go to last post
  43. licensing

    Started by jleone, 09-22-2015 09:02 AM
    • Replies: 3
    • Views: 1,560
    10-08-2015, 09:49 PM Go to last post
  44. Brazing with nitrogen

    Started by growlanser1611, 10-05-2015 11:00 PM
    • Replies: 5
    • Views: 1,411
    10-08-2015, 09:39 PM Go to last post
  45. Bryant RTU fan cycle in winter ?

    Started by Snapperhead, 10-06-2015 08:28 PM
    • Replies: 10
    • Views: 1,382
    10-08-2015, 09:36 PM Go to last post
  46. Mother of pearl now what!

    Started by toptech, 10-08-2015 05:01 PM
    • Replies: 4
    • Views: 1,051
    10-08-2015, 09:23 PM Go to last post
  47. Why won't this work?

    Started by DDCSD, 10-03-2015 12:35 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 3,981
    10-08-2015, 06:56 PM Go to last post
  48. Proper greasing of motor and pump bearings

    Started by alikair, 09-14-2014 03:36 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,418
    10-07-2015, 08:58 PM Go to last post
  49. sussman boiler

    Started by Parkeraustin, 10-07-2015 09:24 AM
    • Replies: 1
    • Views: 694
    10-07-2015, 08:06 PM Go to last post

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