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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: 5,486
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Water Source Heat Pump Heat Exchanger

    Started by anacdoctor, 09-20-2013 09:03 AM
    • Replies: 10
    • Views: 876
    09-24-2013, 03:39 PM Go to last post
  3. clogged evap coil???

    Started by RichO, 09-23-2013 09:04 PM
    • Replies: 11
    • Views: 870
    09-24-2013, 12:56 PM Go to last post
  4. Carrier humidimizer problems.

    Started by mikeacman, 09-22-2013 09:29 AM
    • Replies: 3
    • Views: 669
    09-23-2013, 08:42 PM Go to last post
    • Replies: 11
    • Views: 1,027
    09-23-2013, 01:44 AM Go to last post
  5. trane or danfoss compressor?

    Started by roofguy, 09-12-2013 10:07 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,048
    09-21-2013, 07:11 PM Go to last post
  6. EEV

    Started by hands, 09-08-2013 12:28 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,472
    09-21-2013, 05:47 PM Go to last post
  7. Hot gas bypass

    Started by marc5180, 09-18-2013 01:48 PM
    • Replies: 10
    • Views: 1,489
    09-20-2013, 09:41 PM Go to last post
  8. Best Way to thaw frozen evap coil

    Started by MPasley, 09-06-2013 10:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,496
    09-20-2013, 07:25 PM Go to last post
  9. Carrier flooded evaps?!

    Started by obieone, 09-19-2013 07:12 PM
    • Replies: 6
    • Views: 489
    09-20-2013, 06:53 PM Go to last post
  10. Green powder-like substance in drier?

    Started by Tranetek1974, 09-19-2013 07:36 PM
    • Replies: 2
    • Views: 404
    09-20-2013, 06:39 AM Go to last post
  11. york test procedure

    Started by aftech, 09-12-2013 10:25 PM
    • Replies: 2
    • Views: 509
    09-19-2013, 06:39 PM Go to last post
  12. phasing problem??

    Started by jason8711, 09-19-2013 11:33 AM
    • Replies: 10
    • Views: 789
    09-19-2013, 06:34 PM Go to last post
  13. Rheem RKKB-120 whistling

    Started by airredlands, 09-19-2013 06:31 PM
    • Replies: 0
    • Views: 371
    09-19-2013, 06:31 PM Go to last post
  14. thinking clogged filter drier

    Started by roymeyer, 09-12-2013 08:35 AM
    • Replies: 11
    • Views: 956
    09-19-2013, 09:16 AM Go to last post
  15. 48 year old Carrier with R-500

    Started by LemoineRef0608, 09-18-2013 08:53 PM
    • Replies: 4
    • Views: 566
    09-18-2013, 09:22 PM Go to last post
  16. Weil McLain LGB4 Steam Pressure Settings?

    Started by alliedtech12887, 09-09-2013 09:40 PM
    • Replies: 5
    • Views: 534
    09-18-2013, 06:32 PM Go to last post
  17. petra high pressure trip

    Started by anthonyac1, 09-10-2013 09:33 PM
    • Replies: 1
    • Views: 359
    09-18-2013, 06:27 PM Go to last post
  18. 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: 2,122
    09-18-2013, 12:55 PM Go to last post
  19. 410A freon

    Started by sardi, 09-17-2013 04:30 PM
    • Replies: 3
    • Views: 505
    09-18-2013, 10:03 AM Go to last post
  20. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 06:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 9,448
    09-18-2013, 05:50 AM Go to last post
  21. National King Air

    Started by corny, 09-16-2013 06:17 PM
    • Replies: 4
    • Views: 502
    09-18-2013, 12:45 AM Go to last post
  22. High discharge temp

    Started by trykonxlgold75, 08-30-2013 05:28 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,683
    09-17-2013, 11:17 PM Go to last post
  23. Help! Need keeprite KCRTA manual

    Started by vibration, 05-29-2007 08:32 PM
    • Replies: 3
    • Views: 4,096
    09-17-2013, 08:37 PM Go to last post
  24. Question Do VVT System Comply with the Latest ASHRAE 90.1?

    Started by qawsed, 09-17-2013 01:41 PM
    • Replies: 1
    • Views: 407
    09-17-2013, 02:06 PM Go to last post
  25. carrier rtu issues

    Started by northeastnewbie, 08-15-2013 06:14 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 3,567
    09-17-2013, 10:31 AM Go to last post
  26. chilled water coil cleaner

    Started by viceman, 04-28-2011 10:00 AM
    • Replies: 12
    • Views: 2,809
    09-16-2013, 09:58 PM Go to last post
  27. Voyager Belt Tension

    Started by BatleDoo, 09-16-2013 08:55 PM
    • Replies: 2
    • Views: 670
    09-16-2013, 09:47 PM Go to last post
  28. Open Air Case Compressor Running Loud

    Started by RichO, 09-16-2013 10:54 AM
    • Replies: 5
    • Views: 538
    09-16-2013, 03:12 PM Go to last post
  29. Airflow in Restaurant

    Started by hvacsolutions, 09-16-2013 10:07 AM
    • Replies: 7
    • Views: 468
    09-16-2013, 02:19 PM Go to last post
  30. Help. Trane drawings

    Started by Rc511997, 07-15-2013 01:46 PM
    • Replies: 1
    • Views: 621
    09-16-2013, 12:11 PM Go to last post
  31. Question Hot Shot Refrigerant

    Started by mantta, 09-14-2013 06:05 PM
    • Replies: 4
    • Views: 1,015
    09-15-2013, 03:50 PM Go to last post
  32. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 13,882
    09-15-2013, 10:56 AM Go to last post
  33. Dual Duct + VFD

    Started by black_syphilis, 09-07-2013 05:00 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,868
    09-14-2013, 07:47 PM Go to last post
  34. Locker Room Ventilation

    Started by Mauisurf, 09-12-2013 05:31 PM
    • Replies: 3
    • Views: 2,321
    09-13-2013, 04:17 PM Go to last post
  35. Confused 90t intellipak eating scrolls for breakfast

    Started by Aircooled81, 07-25-2009 09:33 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,253
    09-13-2013, 10:10 AM Go to last post
  36. Oil logged evaporator

    Started by jasonsaunders72, 09-06-2013 09:59 AM
    • Replies: 12
    • Views: 1,706
    09-13-2013, 09:11 AM Go to last post
  37. Maintenance Checklist for YCAS

    Started by DNSTech01, 09-12-2013 06:16 PM
    • Replies: 2
    • Views: 375
    09-13-2013, 01:46 AM Go to last post
  38. Unloader slide Seals

    Started by refrepairman, 09-12-2013 10:06 PM
    • Replies: 0
    • Views: 315
    09-12-2013, 10:06 PM Go to last post
  39. Confused Danfoss scroll hrh032u7lp6

    Started by Gizzy57, 09-12-2013 12:42 PM
    • Replies: 3
    • Views: 396
    09-12-2013, 08:29 PM Go to last post
    • Replies: 6
    • Views: 632
    09-12-2013, 07:57 PM Go to last post
  40. Voyager vs Precedent

    Started by lmwiseman, 09-12-2013 06:39 PM
    • Replies: 3
    • Views: 464
    09-12-2013, 07:48 PM Go to last post
    • Replies: 6
    • Views: 672
    09-12-2013, 05:25 PM Go to last post
  41. pilot valve

    Started by kennethpaul1985, 09-10-2013 09:34 AM
    • Replies: 3
    • Views: 394
    09-11-2013, 08:57 AM Go to last post
  42. Math check please?

    Started by obieone, 09-10-2013 11:37 PM
    • Replies: 2
    • Views: 497
    09-11-2013, 05:47 AM Go to last post
  43. target superheat calc with a water-cooled condenser.

    Started by ad5dg, 08-31-2013 12:33 AM
    • Replies: 4
    • Views: 653
    09-10-2013, 10:46 PM Go to last post
  44. 2 ton compressor in a 3 ton unit?

    Started by jbaur, 09-08-2013 10:33 PM
    • Replies: 7
    • Views: 823
    09-10-2013, 07:05 PM Go to last post
    • Replies: 6
    • Views: 1,184
    09-10-2013, 01:01 AM Go to last post
  45. Compressor failure(s)

    Started by tomnkc, 08-31-2013 08:09 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,878
    09-09-2013, 11:35 PM Go to last post
  46. Confused Weil McLain GV-6 No HSI voltage

    Started by 2story, 09-09-2013 10:10 PM
    • Replies: 0
    • Views: 343
    09-09-2013, 10:10 PM Go to last post
  47. wireing

    Started by DDM17, 09-09-2013 09:18 PM
    • Replies: 2
    • Views: 370
    09-09-2013, 10:01 PM Go to last post

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