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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

    Title / Thread Starter Replies / Views Last Post By
  2. Sticky Thread NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 05:34 PM
    • Replies: 0
    • Views: 4,698
    08-10-2011, 05:34 PM Go to last post
  1. Normal Thread Normal Threads

    Title / Thread Starter Replies / Views Last Post By
    • Replies: 3
    • Views: 434
    09-25-2013, 07:26 AM Go to last post
  2. Confused reversing valve tubes

    Started by fernandotb13, 09-21-2013 10:16 PM
    • Replies: 2
    • Views: 348
    09-25-2013, 02:34 AM Go to last post
  3. Water Source Heat Pump Heat Exchanger

    Started by anacdoctor, 09-20-2013 10:03 AM
    • Replies: 10
    • Views: 812
    09-24-2013, 04:39 PM Go to last post
  4. clogged evap coil???

    Started by RichO, 09-23-2013 10:04 PM
    • Replies: 11
    • Views: 806
    09-24-2013, 01:56 PM Go to last post
  5. Carrier humidimizer problems.

    Started by mikeacman, 09-22-2013 10:29 AM
    • Replies: 3
    • Views: 583
    09-23-2013, 09:42 PM Go to last post
    • Replies: 11
    • Views: 953
    09-23-2013, 02:44 AM Go to last post
  6. trane or danfoss compressor?

    Started by roofguy, 09-12-2013 11:07 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,864
    09-21-2013, 08:11 PM Go to last post
  7. EEV

    Started by hands, 09-08-2013 01:28 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,331
    09-21-2013, 06:47 PM Go to last post
  8. Hot gas bypass

    Started by marc5180, 09-18-2013 02:48 PM
    • Replies: 10
    • Views: 1,347
    09-20-2013, 10:41 PM Go to last post
  9. Best Way to thaw frozen evap coil

    Started by MPasley, 09-06-2013 11:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,011
    09-20-2013, 08:25 PM Go to last post
  10. Carrier flooded evaps?!

    Started by obieone, 09-19-2013 08:12 PM
    • Replies: 6
    • Views: 476
    09-20-2013, 07:53 PM Go to last post
  11. Green powder-like substance in drier?

    Started by Tranetek1974, 09-19-2013 08:36 PM
    • Replies: 2
    • Views: 388
    09-20-2013, 07:39 AM Go to last post
  12. york test procedure

    Started by aftech, 09-12-2013 11:25 PM
    • Replies: 2
    • Views: 488
    09-19-2013, 07:39 PM Go to last post
  13. phasing problem??

    Started by jason8711, 09-19-2013 12:33 PM
    • Replies: 10
    • Views: 718
    09-19-2013, 07:34 PM Go to last post
  14. Rheem RKKB-120 whistling

    Started by airredlands, 09-19-2013 07:31 PM
    • Replies: 0
    • Views: 350
    09-19-2013, 07:31 PM Go to last post
  15. thinking clogged filter drier

    Started by roymeyer, 09-12-2013 09:35 AM
    • Replies: 11
    • Views: 884
    09-19-2013, 10:16 AM Go to last post
  16. 48 year old Carrier with R-500

    Started by LemoineRef0608, 09-18-2013 09:53 PM
    • Replies: 4
    • Views: 537
    09-18-2013, 10:22 PM Go to last post
  17. Weil McLain LGB4 Steam Pressure Settings?

    Started by alliedtech12887, 09-09-2013 10:40 PM
    • Replies: 5
    • Views: 510
    09-18-2013, 07:32 PM Go to last post
  18. petra high pressure trip

    Started by anthonyac1, 09-10-2013 10:33 PM
    • Replies: 1
    • Views: 329
    09-18-2013, 07:27 PM Go to last post
  19. Carrier only blows 460 3 amp fuse when heating

    Started by bwd111, 09-16-2013 02:21 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,873
    09-18-2013, 01:55 PM Go to last post
  20. 410A freon

    Started by sardi, 09-17-2013 05:30 PM
    • Replies: 3
    • Views: 489
    09-18-2013, 11:03 AM Go to last post
  21. Confused King National Air Systems heaters

    Started by hvaccompowner, 08-01-2007 07:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 9,111
    09-18-2013, 06:50 AM Go to last post
  22. National King Air

    Started by corny, 09-16-2013 07:17 PM
    • Replies: 4
    • Views: 473
    09-18-2013, 01:45 AM Go to last post
  23. High discharge temp

    Started by trykonxlgold75, 08-30-2013 06:28 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,606
    09-18-2013, 12:17 AM Go to last post
  24. Help! Need keeprite KCRTA manual

    Started by vibration, 05-29-2007 09:32 PM
    • Replies: 3
    • Views: 3,929
    09-17-2013, 09:37 PM Go to last post
  25. Question Do VVT System Comply with the Latest ASHRAE 90.1?

    Started by qawsed, 09-17-2013 02:41 PM
    • Replies: 1
    • Views: 388
    09-17-2013, 03:06 PM Go to last post
  26. carrier rtu issues

    Started by northeastnewbie, 08-15-2013 07:14 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 3,310
    09-17-2013, 11:31 AM Go to last post
  27. chilled water coil cleaner

    Started by viceman, 04-28-2011 11:00 AM
    • Replies: 12
    • Views: 2,678
    09-16-2013, 10:58 PM Go to last post
  28. Voyager Belt Tension

    Started by BatleDoo, 09-16-2013 09:55 PM
    • Replies: 2
    • Views: 627
    09-16-2013, 10:47 PM Go to last post
  29. Open Air Case Compressor Running Loud

    Started by RichO, 09-16-2013 11:54 AM
    • Replies: 5
    • Views: 503
    09-16-2013, 04:12 PM Go to last post
  30. Airflow in Restaurant

    Started by hvacsolutions, 09-16-2013 11:07 AM
    • Replies: 7
    • Views: 439
    09-16-2013, 03:19 PM Go to last post
  31. Help. Trane drawings

    Started by Rc511997, 07-15-2013 02:46 PM
    • Replies: 1
    • Views: 595
    09-16-2013, 01:11 PM Go to last post
  32. Question Hot Shot Refrigerant

    Started by mantta, 09-14-2013 07:05 PM
    • Replies: 4
    • Views: 901
    09-15-2013, 04:50 PM Go to last post
  33. on call

    Started by northeastbeast, 08-02-2013 08:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 12,880
    09-15-2013, 11:56 AM Go to last post
  34. Dual Duct + VFD

    Started by black_syphilis, 09-07-2013 06:00 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,663
    09-14-2013, 08:47 PM Go to last post
  35. Locker Room Ventilation

    Started by Mauisurf, 09-12-2013 06:31 PM
    • Replies: 3
    • Views: 1,600
    09-13-2013, 05:17 PM Go to last post
  36. Confused 90t intellipak eating scrolls for breakfast

    Started by Aircooled81, 07-25-2009 10:33 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,100
    09-13-2013, 11:10 AM Go to last post
  37. Oil logged evaporator

    Started by jasonsaunders72, 09-06-2013 10:59 AM
    • Replies: 12
    • Views: 1,587
    09-13-2013, 10:11 AM Go to last post
  38. Maintenance Checklist for YCAS

    Started by DNSTech01, 09-12-2013 07:16 PM
    • Replies: 2
    • Views: 359
    09-13-2013, 02:46 AM Go to last post
  39. Unloader slide Seals

    Started by refrepairman, 09-12-2013 11:06 PM
    • Replies: 0
    • Views: 294
    09-12-2013, 11:06 PM Go to last post
  40. Confused Danfoss scroll hrh032u7lp6

    Started by Gizzy57, 09-12-2013 01:42 PM
    • Replies: 3
    • Views: 365
    09-12-2013, 09:29 PM Go to last post
    • Replies: 6
    • Views: 571
    09-12-2013, 08:57 PM Go to last post
  41. Voyager vs Precedent

    Started by lmwiseman, 09-12-2013 07:39 PM
    • Replies: 3
    • Views: 417
    09-12-2013, 08:48 PM Go to last post
    • Replies: 6
    • Views: 585
    09-12-2013, 06:25 PM Go to last post
  42. pilot valve

    Started by kennethpaul1985, 09-10-2013 10:34 AM
    • Replies: 3
    • Views: 376
    09-11-2013, 09:57 AM Go to last post
  43. Math check please?

    Started by obieone, 09-11-2013 12:37 AM
    • Replies: 2
    • Views: 472
    09-11-2013, 06:47 AM Go to last post
  44. target superheat calc with a water-cooled condenser.

    Started by ad5dg, 08-31-2013 01:33 AM
    • Replies: 4
    • Views: 606
    09-10-2013, 11:46 PM Go to last post
  45. 2 ton compressor in a 3 ton unit?

    Started by jbaur, 09-08-2013 11:33 PM
    • Replies: 7
    • Views: 775
    09-10-2013, 08:05 PM Go to last post
    • Replies: 6
    • Views: 1,101
    09-10-2013, 02:01 AM Go to last post
  46. Compressor failure(s)

    Started by tomnkc, 08-31-2013 09:09 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,788
    09-10-2013, 12:35 AM Go to last post

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