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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: 5,387
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. york test procedure

    Started by aftech, 09-12-2013 10:25 PM
    • Replies: 2
    • Views: 498
    09-19-2013, 06:39 PM Go to last post
  3. phasing problem??

    Started by jason8711, 09-19-2013 11:33 AM
    • Replies: 10
    • Views: 761
    09-19-2013, 06:34 PM Go to last post
  4. Rheem RKKB-120 whistling

    Started by airredlands, 09-19-2013 06:31 PM
    • Replies: 0
    • Views: 361
    09-19-2013, 06:31 PM Go to last post
  5. thinking clogged filter drier

    Started by roymeyer, 09-12-2013 08:35 AM
    • Replies: 11
    • Views: 930
    09-19-2013, 09:16 AM Go to last post
  6. 48 year old Carrier with R-500

    Started by LemoineRef0608, 09-18-2013 08:53 PM
    • Replies: 4
    • Views: 556
    09-18-2013, 09:22 PM Go to last post
  7. Weil McLain LGB4 Steam Pressure Settings?

    Started by alliedtech12887, 09-09-2013 09:40 PM
    • Replies: 5
    • Views: 524
    09-18-2013, 06:32 PM Go to last post
  8. petra high pressure trip

    Started by anthonyac1, 09-10-2013 09:33 PM
    • Replies: 1
    • Views: 354
    09-18-2013, 06:27 PM Go to last post
  9. Carrier only blows 460 3 amp fuse when heating

    Started by bwd111, 09-16-2013 01:21 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,066
    09-18-2013, 12:55 PM Go to last post
  10. 410A freon

    Started by sardi, 09-17-2013 04:30 PM
    • Replies: 3
    • Views: 495
    09-18-2013, 10:03 AM Go to last post
  11. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 06:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 9,350
    09-18-2013, 05:50 AM Go to last post
  12. National King Air

    Started by corny, 09-16-2013 06:17 PM
    • Replies: 4
    • Views: 492
    09-18-2013, 12:45 AM Go to last post
  13. High discharge temp

    Started by trykonxlgold75, 08-30-2013 05:28 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,637
    09-17-2013, 11:17 PM Go to last post
  14. Help! Need keeprite KCRTA manual

    Started by vibration, 05-29-2007 08:32 PM
    • Replies: 3
    • Views: 4,032
    09-17-2013, 08:37 PM Go to last post
  15. Question Do VVT System Comply with the Latest ASHRAE 90.1?

    Started by qawsed, 09-17-2013 01:41 PM
    • Replies: 1
    • Views: 394
    09-17-2013, 02:06 PM Go to last post
  16. carrier rtu issues

    Started by northeastnewbie, 08-15-2013 06:14 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 3,465
    09-17-2013, 10:31 AM Go to last post
  17. chilled water coil cleaner

    Started by viceman, 04-28-2011 10:00 AM
    • Replies: 12
    • Views: 2,754
    09-16-2013, 09:58 PM Go to last post
  18. Voyager Belt Tension

    Started by BatleDoo, 09-16-2013 08:55 PM
    • Replies: 2
    • Views: 657
    09-16-2013, 09:47 PM Go to last post
  19. Open Air Case Compressor Running Loud

    Started by RichO, 09-16-2013 10:54 AM
    • Replies: 5
    • Views: 526
    09-16-2013, 03:12 PM Go to last post
  20. Airflow in Restaurant

    Started by hvacsolutions, 09-16-2013 10:07 AM
    • Replies: 7
    • Views: 446
    09-16-2013, 02:19 PM Go to last post
  21. Help. Trane drawings

    Started by Rc511997, 07-15-2013 01:46 PM
    • Replies: 1
    • Views: 615
    09-16-2013, 12:11 PM Go to last post
  22. Question Hot Shot Refrigerant

    Started by mantta, 09-14-2013 06:05 PM
    • Replies: 4
    • Views: 955
    09-15-2013, 03:50 PM Go to last post
  23. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 13,480
    09-15-2013, 10:56 AM Go to last post
  24. Dual Duct + VFD

    Started by black_syphilis, 09-07-2013 05:00 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,814
    09-14-2013, 07:47 PM Go to last post
  25. Locker Room Ventilation

    Started by Mauisurf, 09-12-2013 05:31 PM
    • Replies: 3
    • Views: 2,175
    09-13-2013, 04:17 PM Go to last post
  26. Confused 90t intellipak eating scrolls for breakfast

    Started by Aircooled81, 07-25-2009 09:33 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,216
    09-13-2013, 10:10 AM Go to last post
  27. Oil logged evaporator

    Started by jasonsaunders72, 09-06-2013 09:59 AM
    • Replies: 12
    • Views: 1,655
    09-13-2013, 09:11 AM Go to last post
  28. Maintenance Checklist for YCAS

    Started by DNSTech01, 09-12-2013 06:16 PM
    • Replies: 2
    • Views: 363
    09-13-2013, 01:46 AM Go to last post
  29. Unloader slide Seals

    Started by refrepairman, 09-12-2013 10:06 PM
    • Replies: 0
    • Views: 311
    09-12-2013, 10:06 PM Go to last post
  30. Confused Danfoss scroll hrh032u7lp6

    Started by Gizzy57, 09-12-2013 12:42 PM
    • Replies: 3
    • Views: 392
    09-12-2013, 08:29 PM Go to last post
    • Replies: 6
    • Views: 603
    09-12-2013, 07:57 PM Go to last post
  31. Voyager vs Precedent

    Started by lmwiseman, 09-12-2013 06:39 PM
    • Replies: 3
    • Views: 448
    09-12-2013, 07:48 PM Go to last post
    • Replies: 6
    • Views: 640
    09-12-2013, 05:25 PM Go to last post
  32. pilot valve

    Started by kennethpaul1985, 09-10-2013 09:34 AM
    • Replies: 3
    • Views: 382
    09-11-2013, 08:57 AM Go to last post
  33. Math check please?

    Started by obieone, 09-10-2013 11:37 PM
    • Replies: 2
    • Views: 487
    09-11-2013, 05:47 AM Go to last post
  34. target superheat calc with a water-cooled condenser.

    Started by ad5dg, 08-31-2013 12:33 AM
    • Replies: 4
    • Views: 638
    09-10-2013, 10:46 PM Go to last post
  35. 2 ton compressor in a 3 ton unit?

    Started by jbaur, 09-08-2013 10:33 PM
    • Replies: 7
    • Views: 797
    09-10-2013, 07:05 PM Go to last post
    • Replies: 6
    • Views: 1,154
    09-10-2013, 01:01 AM Go to last post
  36. Compressor failure(s)

    Started by tomnkc, 08-31-2013 08:09 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,827
    09-09-2013, 11:35 PM Go to last post
  37. Confused Weil McLain GV-6 No HSI voltage

    Started by 2story, 09-09-2013 10:10 PM
    • Replies: 0
    • Views: 333
    09-09-2013, 10:10 PM Go to last post
  38. wireing

    Started by DDM17, 09-09-2013 09:18 PM
    • Replies: 2
    • Views: 368
    09-09-2013, 10:01 PM Go to last post
    • Replies: 12
    • Views: 1,081
    09-09-2013, 02:15 AM Go to last post
  39. High pressure switch in series with condenser fan motor

    Started by JimMorrison, 09-05-2013 12:20 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,894
    09-08-2013, 01:28 AM Go to last post
  40. Lennox Strategos exhaust fan issue

    Started by Servicerunner, 09-07-2013 01:47 PM
    • Replies: 6
    • Views: 490
    09-07-2013, 09:16 PM Go to last post
  41. TXV woes

    Started by mdnbiker, 09-06-2013 08:58 PM
    • Replies: 2
    • Views: 584
    09-07-2013, 08:08 PM Go to last post
  42. Condensation on kysor warren multideck case

    Started by anasmilbes, 08-22-2013 12:07 PM
    • Replies: 7
    • Views: 652
    09-07-2013, 12:36 PM Go to last post
  43. scary incident today

    Started by northeastbeast, 07-08-2013 06:44 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 4,619
    09-07-2013, 12:11 PM Go to last post
  44. What causes a mist out of supply registers?

    Started by Wild, 09-06-2013 04:13 PM
    • Replies: 6
    • Views: 573
    09-07-2013, 12:08 PM Go to last post
  45. Frown curs-id non-labelers

    Started by mccann, 09-06-2013 08:20 AM
    • Replies: 2
    • Views: 436
    09-06-2013, 04:36 PM Go to last post
  46. liebert split a/c high head pressure issue

    Started by jbird79, 08-27-2013 04:34 PM
    • Replies: 9
    • Views: 1,588
    09-06-2013, 02:55 PM Go to last post
  47. Carrier Self-Contained

    Started by rucomfy101, 09-06-2013 08:08 AM
    • Replies: 1
    • Views: 388
    09-06-2013, 10:26 AM Go to last post

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