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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: 3,890
    08-10-2011, 04:34 PM Go to last post
  1. EEV

    Started by hands, 09-08-2013 12:28 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,078
    09-21-2013, 05:47 PM Go to last post
  2. Hot gas bypass

    Started by marc5180, 09-18-2013 01:48 PM
    • Replies: 10
    • Views: 1,065
    09-20-2013, 09:41 PM Go to last post
  3. Best Way to thaw frozen evap coil

    Started by MPasley, 09-06-2013 10:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,122
    09-20-2013, 07:25 PM Go to last post
  4. Carrier flooded evaps?!

    Started by obieone, 09-19-2013 07:12 PM
    • Replies: 6
    • Views: 429
    09-20-2013, 06:53 PM Go to last post
  5. Green powder-like substance in drier?

    Started by Tranetek1974, 09-19-2013 07:36 PM
    • Replies: 2
    • Views: 343
    09-20-2013, 06:39 AM Go to last post
  6. york test procedure

    Started by aftech, 09-12-2013 10:25 PM
    • Replies: 2
    • Views: 445
    09-19-2013, 06:39 PM Go to last post
  7. phasing problem??

    Started by jason8711, 09-19-2013 11:33 AM
    • Replies: 10
    • Views: 565
    09-19-2013, 06:34 PM Go to last post
  8. Rheem RKKB-120 whistling

    Started by airredlands, 09-19-2013 06:31 PM
    • Replies: 0
    • Views: 294
    09-19-2013, 06:31 PM Go to last post
  9. thinking clogged filter drier

    Started by roymeyer, 09-12-2013 08:35 AM
    • Replies: 11
    • Views: 713
    09-19-2013, 09:16 AM Go to last post
  10. 48 year old Carrier with R-500

    Started by LemoineRef0608, 09-18-2013 08:53 PM
    • Replies: 4
    • Views: 440
    09-18-2013, 09:22 PM Go to last post
  11. Weil McLain LGB4 Steam Pressure Settings?

    Started by alliedtech12887, 09-09-2013 09:40 PM
    • Replies: 5
    • Views: 446
    09-18-2013, 06:32 PM Go to last post
  12. petra high pressure trip

    Started by anthonyac1, 09-10-2013 09:33 PM
    • Replies: 1
    • Views: 275
    09-18-2013, 06:27 PM Go to last post
  13. 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: 1,380
    09-18-2013, 12:55 PM Go to last post
  14. 410A freon

    Started by sardi, 09-17-2013 04:30 PM
    • Replies: 3
    • Views: 449
    09-18-2013, 10:03 AM Go to last post
  15. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 06:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 8,432
    09-18-2013, 05:50 AM Go to last post
  16. National King Air

    Started by corny, 09-16-2013 06:17 PM
    • Replies: 4
    • Views: 411
    09-18-2013, 12:45 AM Go to last post
  17. High discharge temp

    Started by trykonxlgold75, 08-30-2013 05:28 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,382
    09-17-2013, 11:17 PM Go to last post
  18. Help! Need keeprite KCRTA manual

    Started by vibration, 05-29-2007 08:32 PM
    • Replies: 3
    • Views: 3,571
    09-17-2013, 08:37 PM Go to last post
  19. Question Do VVT System Comply with the Latest ASHRAE 90.1?

    Started by qawsed, 09-17-2013 01:41 PM
    • Replies: 1
    • Views: 345
    09-17-2013, 02:06 PM Go to last post
  20. carrier rtu issues

    Started by northeastnewbie, 08-15-2013 06:14 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,774
    09-17-2013, 10:31 AM Go to last post
  21. TRANSFORMATIVE WAVE

    Started by HvAckid82, 09-10-2013 08:56 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,410
    09-17-2013, 05:10 AM Go to last post
  22. chilled water coil cleaner

    Started by viceman, 04-28-2011 10:00 AM
    • Replies: 12
    • Views: 2,316
    09-16-2013, 09:58 PM Go to last post
  23. Voyager Belt Tension

    Started by BatleDoo, 09-16-2013 08:55 PM
    • Replies: 2
    • Views: 520
    09-16-2013, 09:47 PM Go to last post
  24. Open Air Case Compressor Running Loud

    Started by RichO, 09-16-2013 10:54 AM
    • Replies: 5
    • Views: 442
    09-16-2013, 03:12 PM Go to last post
  25. Airflow in Restaurant

    Started by hvacsolutions, 09-16-2013 10:07 AM
    • Replies: 7
    • Views: 369
    09-16-2013, 02:19 PM Go to last post
  26. Help. Trane drawings

    Started by Rc511997, 07-15-2013 01:46 PM
    • Replies: 1
    • Views: 524
    09-16-2013, 12:11 PM Go to last post
  27. Question Hot Shot Refrigerant

    Started by mantta, 09-14-2013 06:05 PM
    • Replies: 4
    • Views: 713
    09-15-2013, 03:50 PM Go to last post
  28. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 11,125
    09-15-2013, 10:56 AM Go to last post
  29. Dual Duct + VFD

    Started by black_syphilis, 09-07-2013 05:00 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,351
    09-14-2013, 07:47 PM Go to last post
  30. Locker Room Ventilation

    Started by Mauisurf, 09-12-2013 05:31 PM
    • Replies: 3
    • Views: 1,126
    09-13-2013, 04:17 PM Go to last post
  31. Confused 90t intellipak eating scrolls for breakfast

    Started by Aircooled81, 07-25-2009 09:33 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,880
    09-13-2013, 10:10 AM Go to last post
  32. Oil logged evaporator

    Started by jasonsaunders72, 09-06-2013 09:59 AM
    • Replies: 12
    • Views: 1,345
    09-13-2013, 09:11 AM Go to last post
  33. Maintenance Checklist for YCAS

    Started by DNSTech01, 09-12-2013 06:16 PM
    • Replies: 2
    • Views: 303
    09-13-2013, 01:46 AM Go to last post
  34. Unloader slide Seals

    Started by refrepairman, 09-12-2013 10:06 PM
    • Replies: 0
    • Views: 259
    09-12-2013, 10:06 PM Go to last post
  35. Confused Danfoss scroll hrh032u7lp6

    Started by Gizzy57, 09-12-2013 12:42 PM
    • Replies: 3
    • Views: 304
    09-12-2013, 08:29 PM Go to last post
    • Replies: 6
    • Views: 489
    09-12-2013, 07:57 PM Go to last post
  36. Voyager vs Precedent

    Started by lmwiseman, 09-12-2013 06:39 PM
    • Replies: 3
    • Views: 353
    09-12-2013, 07:48 PM Go to last post
    • Replies: 6
    • Views: 489
    09-12-2013, 05:25 PM Go to last post
  37. pilot valve

    Started by kennethpaul1985, 09-10-2013 09:34 AM
    • Replies: 3
    • Views: 348
    09-11-2013, 08:57 AM Go to last post
  38. Math check please?

    Started by obieone, 09-10-2013 11:37 PM
    • Replies: 2
    • Views: 410
    09-11-2013, 05:47 AM Go to last post
  39. target superheat calc with a water-cooled condenser.

    Started by ad5dg, 08-31-2013 12:33 AM
    • Replies: 4
    • Views: 507
    09-10-2013, 10:46 PM Go to last post
  40. 2 ton compressor in a 3 ton unit?

    Started by jbaur, 09-08-2013 10:33 PM
    • Replies: 7
    • Views: 630
    09-10-2013, 07:05 PM Go to last post
    • Replies: 6
    • Views: 940
    09-10-2013, 01:01 AM Go to last post
  41. Compressor failure(s)

    Started by tomnkc, 08-31-2013 08:09 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,560
    09-09-2013, 11:35 PM Go to last post
  42. Confused Weil McLain GV-6 No HSI voltage

    Started by 2story, 09-09-2013 10:10 PM
    • Replies: 0
    • Views: 264
    09-09-2013, 10:10 PM Go to last post
  43. wireing

    Started by DDM17, 09-09-2013 09:18 PM
    • Replies: 2
    • Views: 305
    09-09-2013, 10:01 PM Go to last post
    • Replies: 12
    • Views: 832
    09-09-2013, 02:15 AM Go to last post
  44. 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: 1,270
    09-08-2013, 01:28 AM Go to last post
  45. Lennox Strategos exhaust fan issue

    Started by Servicerunner, 09-07-2013 01:47 PM
    • Replies: 6
    • Views: 358
    09-07-2013, 09:16 PM Go to last post
  46. TXV woes

    Started by mdnbiker, 09-06-2013 08:58 PM
    • Replies: 2
    • Views: 485
    09-07-2013, 08:08 PM Go to last post

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