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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky Threads

  2. Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 12,276
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,516
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. YR slide valve problem

    Started by chillguy, 09-15-2009 05:38 PM
    • Replies: 7
    • Views: 2,286
    09-16-2009, 09:43 PM Go to last post
  3. Mcquay Dampers

    Started by mainemech, 10-03-2005 04:40 PM
    • Replies: 9
    • Views: 2,523
    09-16-2009, 02:37 PM Go to last post
  4. Help on deciphering PGDA060 by McQuay

    Started by Eric Dunn, 09-16-2009 09:51 AM
    • Replies: 4
    • Views: 1,656
    09-16-2009, 10:05 AM Go to last post
  5. Trane TWE120

    Started by dgruber, 09-11-2009 01:32 PM
    • Replies: 10
    • Views: 4,677
    09-15-2009, 10:21 PM Go to last post
  6. Need Trane wiring diagram

    Started by klrogers, 09-15-2009 05:05 PM
    • Replies: 5
    • Views: 2,742
    09-15-2009, 09:56 PM Go to last post
  7. mystery item on RTU. Have y'all seen this?

    Started by The Doctor, 06-22-2009 06:43 AM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 6,314
    09-15-2009, 06:57 PM Go to last post
  8. Old Johnson control valves

    Started by digital, 09-10-2009 02:09 PM
    controls, valves
    • Replies: 4
    • Views: 3,775
    09-15-2009, 02:16 PM Go to last post
  9. Trane RTU and programmable zone sensor

    Started by ericogles, 09-10-2009 03:15 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 6,293
    09-14-2009, 11:49 PM Go to last post
  10. Confused commercial HVAC career choice

    Started by cyzpro, 09-08-2009 06:15 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 5,012
    09-14-2009, 09:56 PM Go to last post
  11. Exclamation Mitsubishi Mr. Slim - HELP needed!

    Started by BrianE, 08-11-2009 06:27 PM
    • Replies: 6
    • Views: 3,871
    09-14-2009, 08:48 PM Go to last post
  12. Trane Rooftop unit Service Bulletin help

    Started by johnsonlmi, 09-14-2009 11:06 AM
    • Replies: 0
    • Views: 957
    09-14-2009, 11:06 AM Go to last post
  13. Carrier 38 condenser and 40AQ FCU

    Started by tlp261, 09-12-2009 05:29 PM
    • Replies: 4
    • Views: 4,018
    09-13-2009, 09:38 PM Go to last post
  14. apartment inside the wall unit

    Started by yahwehrider, 09-11-2009 09:07 PM
    • Replies: 5
    • Views: 787
    09-13-2009, 09:28 PM Go to last post
  15. Hydronic Question

    Started by tgtw, 09-11-2009 08:39 AM
    • Replies: 9
    • Views: 1,666
    09-13-2009, 09:25 PM Go to last post
    • Replies: 8
    • Views: 1,377
    09-13-2009, 08:40 PM Go to last post
  16. soft starts

    Started by K_Neil, 09-11-2009 06:54 PM
    • Replies: 4
    • Views: 1,090
    09-13-2009, 01:13 PM Go to last post
  17. cfm's in a ton

    Started by hootie, 04-03-2007 01:25 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 122,956
    09-13-2009, 12:05 AM Go to last post
  18. need help very bad on 15hp carlysle

    Started by mattthehatt80, 09-02-2009 06:44 PM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 142
    • Views: 11,540
    09-12-2009, 08:44 PM Go to last post
  19. Vykon Jace/Honeywell Spyder Licence

    Started by Joseph coyle, 09-12-2009 01:03 PM
    • Replies: 1
    • Views: 1,895
    09-12-2009, 05:14 PM Go to last post
  20. Johnson controls t-stat help

    Started by Diceman, 09-12-2009 11:03 AM
    • Replies: 5
    • Views: 2,139
    09-12-2009, 12:27 PM Go to last post
    • Replies: 5
    • Views: 1,106
    09-12-2009, 11:33 AM Go to last post
  21. Hmm Sight glass removal

    Started by powerup, 09-03-2009 07:52 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,717
    09-12-2009, 08:06 AM Go to last post
  22. Tie down your ladder!!!!

    Started by CaptJackSparrow, 08-13-2009 07:35 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 4,820
    09-12-2009, 07:45 AM Go to last post
  23. McQuay Slide Indicator

    Started by DrumCrazy, 09-11-2009 05:05 PM
    • Replies: 2
    • Views: 1,377
    09-11-2009, 10:15 PM Go to last post
  24. Carrier FIOP Codes

    Started by Spiel, 08-31-2009 08:19 AM
    • Replies: 10
    • Views: 5,243
    09-11-2009, 11:29 AM Go to last post
  25. trane sahd to voyager3 adding heat

    Started by rick james, 09-11-2009 01:12 AM
    • Replies: 0
    • Views: 1,292
    09-11-2009, 01:12 AM Go to last post
  26. Question Air Fan Diagrams

    Started by robotech57, 09-10-2009 11:00 PM
    • Replies: 0
    • Views: 625
    09-10-2009, 11:00 PM Go to last post
  27. Compressor oil analysis

    Started by turbo50mike, 09-10-2009 08:02 PM
    • Replies: 4
    • Views: 1,261
    09-10-2009, 09:37 PM Go to last post
    • Replies: 5
    • Views: 826
    09-10-2009, 06:59 PM Go to last post
  28. LOST FOUR COMPRESSORS IN TRANE CHILLER?

    Started by pillclinton209, 09-07-2009 11:24 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 2,857
    09-10-2009, 02:36 PM Go to last post
  29. reply to office

    Started by ej45, 09-02-2009 02:56 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,843
    09-10-2009, 12:19 PM Go to last post
  30. Dielectrics, What Metal is Lost Where

    Started by RC20, 09-08-2009 02:46 PM
    • Replies: 3
    • Views: 772
    09-10-2009, 08:26 AM Go to last post
  31. where do I find info on York ycaz

    Started by md-01-11376, 07-01-2009 06:53 PM
    • Replies: 7
    • Views: 4,802
    09-09-2009, 10:38 PM Go to last post
  32. Comfort Alert Bites in the Caribbean

    Started by man from trane, 08-29-2009 11:52 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,244
    09-09-2009, 05:59 PM Go to last post
  33. 06Lhell

    Started by ga1279, 09-06-2009 06:43 PM
    • Replies: 9
    • Views: 1,260
    09-09-2009, 09:37 AM Go to last post
  34. Water Cooled Units using Chilled Water

    Started by smokies, 09-07-2009 12:10 PM
    • Replies: 6
    • Views: 1,609
    09-09-2009, 09:22 AM Go to last post
  35. RTAA-80

    Started by PJ's cool-aid, 09-08-2009 05:03 PM
    • Replies: 8
    • Views: 1,194
    09-09-2009, 08:24 AM Go to last post
  36. 23xl Carrier slide valve problems.

    Started by yorktek37, 09-08-2009 09:27 PM
    • Replies: 10
    • Views: 3,234
    09-08-2009, 11:01 PM Go to last post
  37. Vulcan VAV Boxes

    Started by toptech, 08-31-2009 09:24 PM
    • Replies: 3
    • Views: 853
    09-08-2009, 09:57 PM Go to last post
  38. Underfloor Air Distribution for 5000 seat Auditorium

    Started by ongthiamguan, 09-03-2009 08:37 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 5,467
    09-07-2009, 07:22 AM Go to last post
  39. When the equipment has the exact amount of refrigerant?

    Started by crised, 09-03-2009 10:47 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,794
    09-06-2009, 11:50 PM Go to last post
  40. Advice on Trane compressor changeout

    Started by targetman, 08-14-2008 06:32 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 5,330
    09-06-2009, 07:01 PM Go to last post
  41. Big Boiler Burners

    Started by RC20, 07-13-2009 12:44 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,210
    09-06-2009, 01:20 PM Go to last post
  42. Cool Trane RTAA air-cooled chiller nuance trips

    Started by koolncali, 10-19-2008 12:02 AM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 11,975
    09-06-2009, 09:58 AM Go to last post
  43. Exhaust Hood Pillow Block Bearing

    Started by rctech, 09-05-2009 12:28 PM
    • Replies: 1
    • Views: 1,024
    09-05-2009, 12:34 PM Go to last post
  44. 23xrv vs York YK

    Started by buckfever, 09-21-2007 01:23 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 9,644
    09-05-2009, 09:43 AM Go to last post
  45. Trane TruSense

    Started by tomt, 09-05-2009 06:21 AM
    • Replies: 1
    • Views: 1,156
    09-05-2009, 08:08 AM Go to last post
  46. Need some help with CH530

    Started by PBW28, 09-04-2009 04:40 AM
    • Replies: 3
    • Views: 928
    09-05-2009, 12:11 AM Go to last post
  47. Aaon rtu re-heat systems

    Started by dave1234, 07-27-2009 10:22 AM
    • Replies: 7
    • Views: 4,204
    09-04-2009, 10:11 PM Go to last post
  48. Losing Compressors- and Customers

    Started by man from trane, 08-04-2009 05:13 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,477
    09-04-2009, 11:58 AM Go to last post

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