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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: 5,470
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Capacitor question

    Started by jakes56, 10-28-2014 01:27 AM
    • Replies: 9
    • Views: 871
    11-09-2014, 09:02 PM Go to last post
  3. LIEBERT DATA MATE HUMIDIFIER ISSUE

    Started by helgy, 11-06-2014 01:37 PM
    • Replies: 7
    • Views: 514
    11-09-2014, 05:17 PM Go to last post
  4. ACTUAL CFM LOSS

    Started by blazer, 10-19-2014 04:49 PM
    • Replies: 2
    • Views: 550
    11-09-2014, 10:53 AM Go to last post
  5. Anyone heard of VFD noise emanating from the exhaust wheel?

    Started by mixsit, 10-14-2014 06:44 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,434
    11-09-2014, 12:19 AM Go to last post
  6. Carrier 38AUQ 15 ton

    Started by nccurtin, 11-02-2014 09:10 AM
    • Replies: 5
    • Views: 522
    11-08-2014, 01:46 AM Go to last post
  7. R22 high pressure cut out

    Started by jimp, 11-03-2014 07:12 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,158
    11-08-2014, 01:35 AM Go to last post
  8. Confused High pitch noise after unit heats up

    Started by Troyevol, 11-04-2014 10:02 PM
    • Replies: 4
    • Views: 508
    11-07-2014, 09:07 PM Go to last post
  9. Question AAON RK model number decode

    Started by controlsales, 11-07-2014 04:34 PM
    • Replies: 0
    • Views: 514
    11-07-2014, 04:34 PM Go to last post
    • Replies: 6
    • Views: 631
    11-06-2014, 10:15 PM Go to last post
  10. Trane CRHL100J0H00 Compressor Oil Level?

    Started by lceron, 11-06-2014 10:55 AM
    • Replies: 1
    • Views: 388
    11-06-2014, 05:02 PM Go to last post
  11. Trane VariTrac / Tracer interface

    Started by Keith73, 10-04-2014 11:42 AM
    • Replies: 3
    • Views: 609
    11-06-2014, 10:51 AM Go to last post
  12. Which namebrand for belts?

    Started by Dewalt09, 11-05-2014 11:09 PM
    • Replies: 2
    • Views: 383
    11-06-2014, 07:40 AM Go to last post
  13. Honeywell burner control module

    Started by killer v, 11-05-2014 10:53 AM
    • Replies: 5
    • Views: 421
    11-05-2014, 11:16 PM Go to last post
  14. Condensation Point in Exterior wall construction

    Started by jnaas2, 11-04-2014 09:47 PM
    • Replies: 1
    • Views: 341
    11-05-2014, 11:16 AM Go to last post
  15. Duct temperature sensors

    Started by HVic, 11-03-2014 10:31 AM
    • Replies: 5
    • Views: 506
    11-05-2014, 10:27 AM Go to last post
    • Replies: 2
    • Views: 442
    11-04-2014, 11:27 AM Go to last post
  16. Snowmelt mix temp

    Started by rgatlin, 11-04-2014 06:38 AM
    • Replies: 0
    • Views: 314
    11-04-2014, 06:38 AM Go to last post
  17. Condensate Trap Mystery

    Started by Bram_ltd, 11-03-2014 12:42 PM
    • Replies: 3
    • Views: 502
    11-03-2014, 11:24 PM Go to last post
    • Replies: 0
    • Views: 308
    11-03-2014, 10:30 AM Go to last post
  18. TRANE BCU - Malfunction Questions

    Started by arimco, 10-19-2014 05:24 PM
    • Replies: 3
    • Views: 439
    11-02-2014, 11:12 PM Go to last post
  19. Motor and caps

    Started by biggi, 11-01-2014 11:46 AM
    • Replies: 6
    • Views: 640
    11-02-2014, 06:07 PM Go to last post
    • Replies: 5
    • Views: 1,346
    11-02-2014, 05:35 PM Go to last post
    • Replies: 2
    • Views: 408
    11-02-2014, 05:25 PM Go to last post
  20. York rooftop unit

    Started by sheetmtlman, 10-03-2014 10:19 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,087
    11-02-2014, 05:03 PM Go to last post
  21. A/C renew

    Started by rhumbard, 10-25-2014 12:40 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,332
    11-01-2014, 10:31 PM Go to last post
  22. Water source heat pump high head pressure

    Started by PolarBearAir, 09-16-2011 09:57 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 7,881
    11-01-2014, 09:13 AM Go to last post
  23. SWUD UCP-1 manual

    Started by Hamiltime, 07-20-2014 07:35 PM
    • Replies: 2
    • Views: 493
    10-31-2014, 04:39 PM Go to last post
  24. full sight glass, still low on freon?

    Started by primmers, 09-20-2014 04:42 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 3,365
    10-30-2014, 12:34 PM Go to last post
  25. Trane Intellipak 30 ton with ungodly humidity in building

    Started by Chozn1, 10-27-2014 10:15 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,061
    10-29-2014, 11:00 PM Go to last post
  26. Aaon unit

    Started by gravity, 10-20-2014 08:15 PM
    • Replies: 10
    • Views: 978
    10-29-2014, 09:29 PM Go to last post
  27. Confused Trane UCM 4.2 comm4 how to change to comm3

    Started by jasonhughes, 10-29-2014 03:50 PM
    • Replies: 0
    • Views: 243
    10-29-2014, 03:50 PM Go to last post
  28. Trane Voyager/ Reliatel Draft motors staying on?

    Started by obieone, 10-28-2014 07:57 AM
    • Replies: 5
    • Views: 512
    10-29-2014, 07:01 AM Go to last post
  29. line cooler temp controlling

    Started by warhog61, 10-28-2014 05:28 PM
    • Replies: 4
    • Views: 306
    10-29-2014, 12:18 AM Go to last post
  30. Walk in Cooler Trouble R-409a

    Started by Bram_ltd, 10-24-2014 11:37 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,354
    10-28-2014, 10:31 PM Go to last post
  31. Outside air/ hydronic heating

    Started by cmechtech, 10-22-2014 05:04 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 771
    10-28-2014, 06:32 PM Go to last post
    • Replies: 6
    • Views: 647
    10-28-2014, 02:46 PM Go to last post
  32. Free Heating

    Started by BBeerme, 10-25-2014 03:57 PM
    • Replies: 8
    • Views: 921
    10-28-2014, 07:36 AM Go to last post
  33. 40+year Building.

    Started by fridg, 09-25-2014 05:10 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,702
    10-26-2014, 11:22 PM Go to last post
    • Replies: 16
    • Views: 869
    10-26-2014, 05:21 PM Go to last post
  34. Lennox RTU Pilot Re-ignitor 240v problem

    Started by Bram_ltd, 10-23-2014 12:47 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 799
    10-25-2014, 02:13 PM Go to last post
  35. ALC tool

    Started by ArunPandiyan, 10-24-2014 05:20 AM
    • Replies: 2
    • Views: 295
    10-24-2014, 08:44 AM Go to last post
  36. Leaky receiver

    Started by Mihvactech, 09-09-2014 08:07 PM
    • Replies: 10
    • Views: 794
    10-23-2014, 09:45 PM Go to last post
  37. economite conversion burner sighting

    Started by burto, 10-22-2014 04:45 PM
    • Replies: 4
    • Views: 315
    10-23-2014, 09:13 PM Go to last post
  38. air dryer ?

    Started by newbe0507, 10-23-2014 06:30 PM
    • Replies: 2
    • Views: 293
    10-23-2014, 07:08 PM Go to last post
  39. TRANSFORMATIVE WAVE

    Started by HvAckid82, 09-10-2013 08:56 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 3,198
    10-23-2014, 01:09 PM Go to last post
  40. UV-C 24 Volt units for PTEC

    Started by STANVOL, 10-22-2014 11:08 PM
    • Replies: 0
    • Views: 244
    10-22-2014, 11:08 PM Go to last post
  41. School District Univents

    Started by hudson73, 10-07-2014 10:13 AM
    • Replies: 1
    • Views: 469
    10-22-2014, 06:29 PM Go to last post
  42. heat pump relay

    Started by btglow2894, 10-14-2014 10:27 AM
    • Replies: 8
    • Views: 692
    10-21-2014, 09:32 PM Go to last post
  43. Combustion analysis in the supermarket world

    Started by mjm88, 10-10-2014 10:45 PM
    • Replies: 8
    • Views: 595
    10-21-2014, 07:58 AM Go to last post
    • Replies: 4
    • Views: 298
    10-20-2014, 11:27 PM Go to last post

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