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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: 4,160
    08-10-2011, 04:34 PM Go to last post
  1. dunham busch esp3036 hv system

    Started by Mike Doran, 08-28-2014 08:30 AM
    • Replies: 0
    • Views: 189
    08-28-2014, 08:30 AM Go to last post
  2. air handler in drop cieling

    Started by octaneforce, 08-26-2014 09:13 AM
    • Replies: 4
    • Views: 371
    08-27-2014, 09:59 PM Go to last post
  3. Where does the water go?

    Started by mccann, 08-21-2014 08:38 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 950
    08-27-2014, 02:09 PM Go to last post
  4. Evap coil repair

    Started by anthonyac1, 08-26-2014 07:16 PM
    • Replies: 8
    • Views: 440
    08-27-2014, 06:08 AM Go to last post
  5. Pentane help needed!!!

    Started by EricWhitney, 08-26-2014 05:28 PM
    • Replies: 3
    • Views: 351
    08-27-2014, 01:10 AM Go to last post
  6. HVAC Consultant

    Started by Bill Clark, 08-22-2014 11:58 AM
    • Replies: 4
    • Views: 520
    08-26-2014, 02:17 AM Go to last post
  7. 30 years old, too old to start as pipefitter apprentice?

    Started by Deltashmelta, 07-08-2014 04:52 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,529
    08-25-2014, 06:23 PM Go to last post
  8. fan total pressure vs total pressure loss

    Started by supernova2014, 08-23-2014 02:57 PM
    • Replies: 0
    • Views: 197
    08-23-2014, 02:57 PM Go to last post
  9. Aircraft Airconditioning and presurisation

    Started by Hitech 1, 08-22-2014 10:32 AM
    • Replies: 3
    • Views: 333
    08-22-2014, 07:51 PM Go to last post
  10. what is class 1 air duct?

    Started by timjimbob, 08-21-2014 06:50 AM
    • Replies: 12
    • Views: 476
    08-22-2014, 07:02 AM Go to last post
    • Replies: 5
    • Views: 643
    08-21-2014, 03:41 PM Go to last post
  11. GPM for Airflow CCT-30 Glycol System?

    Started by 3gs, 08-14-2014 10:33 AM
    • Replies: 2
    • Views: 353
    08-21-2014, 12:04 PM Go to last post
  12. Compressor failure.

    Started by Makinhole, 08-10-2014 09:44 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 2,041
    08-20-2014, 11:15 PM Go to last post
  13. Dolphin chemical free water treatment

    Started by colorado dave, 02-22-2005 06:38 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 71
    • Views: 20,378
    08-20-2014, 10:22 PM Go to last post
  14. Trane vertical stack fan coil unit

    Started by air j, 08-20-2014 03:23 PM
    • Replies: 1
    • Views: 235
    08-20-2014, 07:04 PM Go to last post
  15. trane air handler 34 years old capacity?

    Started by luxx, 08-19-2014 09:55 PM
    • Replies: 3
    • Views: 315
    08-20-2014, 01:37 AM Go to last post
  16. Bone Head Move

    Started by IDC, 08-16-2014 11:06 PM
    • Replies: 10
    • Views: 890
    08-19-2014, 08:01 PM Go to last post
  17. Minimum flow for VFD driven pump

    Started by rpkilgor, 08-15-2014 06:39 AM
    • Replies: 12
    • Views: 608
    08-17-2014, 10:12 PM Go to last post
  18. Question compressor noise

    Started by aikenite, 05-24-2014 07:56 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,107
    08-17-2014, 08:51 PM Go to last post
  19. solenoid valve replacement help

    Started by cfe, 08-14-2014 05:46 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 811
    08-17-2014, 05:47 PM Go to last post
  20. Trane 90ton Intellipak Dirty Filter Switch Error

    Started by mazdajoe, 08-09-2014 12:27 AM
    • Replies: 7
    • Views: 477
    08-16-2014, 12:50 PM Go to last post
  21. need help isolating

    Started by jkmhi89, 08-15-2014 03:47 AM
    • Replies: 5
    • Views: 477
    08-16-2014, 11:27 AM Go to last post
  22. Frown Maybe bypassing compressor

    Started by anders13, 08-08-2014 02:47 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 2,862
    08-16-2014, 12:19 AM Go to last post
  23. carrier sizing

    Started by avilleg0, 08-05-2014 07:23 PM
    • Replies: 3
    • Views: 425
    08-15-2014, 06:03 PM Go to last post
    • Replies: 1
    • Views: 337
    08-15-2014, 12:15 PM Go to last post
  24. Carrier 38add080 problems

    Started by uke, 08-14-2014 05:45 PM
    • Replies: 3
    • Views: 355
    08-15-2014, 05:47 AM Go to last post
  25. Superheat and subcooling

    Started by jeremyr325, 08-14-2014 10:21 PM
    • Replies: 1
    • Views: 418
    08-14-2014, 11:39 PM Go to last post
  26. BDP RTU problem

    Started by hands, 08-09-2014 02:25 PM
    • Replies: 5
    • Views: 556
    08-14-2014, 09:15 PM Go to last post
  27. Could clicking relay cause overload

    Started by absolutezerosev, 08-05-2014 01:03 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 694
    08-13-2014, 07:52 PM Go to last post
  28. r-22 with poe oil

    Started by anthonyac1, 03-12-2012 09:48 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 14,644
    08-13-2014, 05:34 PM Go to last post
  29. Deltrol Relay ?

    Started by kroymca, 08-17-2011 04:34 PM
    • Replies: 5
    • Views: 1,850
    08-13-2014, 05:16 AM Go to last post
    • Replies: 23
    • Views: 1,159
    08-12-2014, 11:42 PM Go to last post
  30. What don't I understand!!!

    Started by hvacguy1962, 08-05-2014 07:07 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,239
    08-12-2014, 11:04 PM Go to last post
  31. compressor running, not pumping

    Started by wolfstrike, 08-11-2014 10:21 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 986
    08-12-2014, 10:54 PM Go to last post
  32. Trane CGAM with pumps

    Started by brent, 08-04-2014 09:39 PM
    trane
    • Replies: 1
    • Views: 345
    08-12-2014, 09:35 PM Go to last post
    • Replies: 0
    • Views: 261
    08-11-2014, 12:02 PM Go to last post
  33. Rooftop compressor

    Started by MechaTom, 08-05-2014 07:06 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 2,049
    08-11-2014, 10:46 AM Go to last post
  34. Trane Ro0ftop YSC060A3RHA000, bypass outdoor temp sensor

    Started by jdere, 08-02-2014 11:29 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,035
    08-10-2014, 10:03 PM Go to last post
  35. Fun with explosions and metallurgy

    Started by Dennis.Moore, 08-10-2014 03:03 PM
    • Replies: 4
    • Views: 450
    08-10-2014, 05:45 PM Go to last post
  36. Trane CGAM chiller Dynaview question

    Started by gman994, 08-10-2014 12:44 AM
    • Replies: 1
    • Views: 270
    08-10-2014, 05:02 PM Go to last post
  37. Where did all my air go?

    Started by rider77, 08-08-2014 09:12 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 909
    08-10-2014, 04:54 PM Go to last post
    • Replies: 12
    • Views: 748
    08-10-2014, 04:10 PM Go to last post
  38. ac Contactors in split ac outdoor unit

    Started by kefah, 04-23-2013 04:18 PM
    • Replies: 11
    • Views: 1,568
    08-10-2014, 03:21 PM Go to last post
    • Replies: 4
    • Views: 426
    08-09-2014, 09:35 PM Go to last post
  39. 3 Phase 2 Speed Motor.

    Started by madhat, 08-08-2014 03:22 PM
    • Replies: 11
    • Views: 591
    08-09-2014, 08:01 AM Go to last post
  40. LG VRF 2

    Started by czkidd, 08-06-2014 09:29 PM
    • Replies: 3
    • Views: 321
    08-08-2014, 11:53 PM Go to last post
  41. Confused Florida heat pump water flow or something

    Started by dowhat, 08-08-2014 11:49 PM
    • Replies: 0
    • Views: 252
    08-08-2014, 11:49 PM Go to last post
  42. Condenser HX Surface Area and humidity

    Started by juzerj1, 08-08-2014 11:19 PM
    • Replies: 0
    • Views: 195
    08-08-2014, 11:19 PM Go to last post
  43. carrier 50ek-034-610dd circuit board

    Started by michael26, 08-08-2014 09:54 PM
    • Replies: 1
    • Views: 235
    08-08-2014, 10:16 PM Go to last post
  44. Trane Roof-top...high side too high!

    Started by RomeGuy, 07-30-2014 09:33 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,160
    08-07-2014, 11:41 PM Go to last post

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