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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: 12,156
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,437
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. RTAA compressor overload problems

    Started by CHLR618, 07-09-2009 08:56 PM
    • Replies: 4
    • Views: 1,709
    07-11-2009, 08:25 PM Go to last post
  3. Some Carrier help

    Started by ascj, 07-09-2009 06:54 PM
    • Replies: 10
    • Views: 2,220
    07-11-2009, 07:52 PM Go to last post
  4. How to tell if you are low on refrigerant

    Started by andreas, 07-07-2009 10:36 AM
    • Replies: 8
    • Views: 2,191
    07-11-2009, 03:28 PM Go to last post
  5. Chillers and excessive compressor starts

    Started by licensed to chill, 07-09-2009 05:45 PM
    • Replies: 9
    • Views: 1,884
    07-11-2009, 02:42 PM Go to last post
  6. Hmm 10 ton air source wiring

    Started by Noquiter, 07-03-2009 10:21 PM
    backfeed, phase, transformer
    • Replies: 5
    • Views: 918
    07-10-2009, 11:50 PM Go to last post
  7. chiller abnormal noise

    Started by comfortable air, 07-09-2009 08:56 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,149
    07-10-2009, 10:02 PM Go to last post
  8. Rattling Swing check

    Started by JH5684, 07-08-2009 06:00 PM
    • Replies: 3
    • Views: 1,149
    07-10-2009, 09:17 PM Go to last post
  9. York YK

    Started by hvacr, 06-25-2009 12:02 AM
    • Replies: 8
    • Views: 1,560
    07-10-2009, 05:31 PM Go to last post
  10. York screw machine grease

    Started by bobby m, 02-28-2007 10:48 AM
    • Replies: 8
    • Views: 2,372
    07-10-2009, 04:45 PM Go to last post
  11. subcooling numbers on York YT optispeed

    Started by r404a, 07-04-2009 11:11 PM
    • Replies: 11
    • Views: 2,060
    07-10-2009, 04:40 PM Go to last post
  12. York YK

    Started by hvacr, 07-10-2009 01:00 PM
    • Replies: 1
    • Views: 761
    07-10-2009, 04:36 PM Go to last post
  13. Snyder General McQuay

    Started by 24seven, 07-06-2009 05:32 PM
    • Replies: 8
    • Views: 2,998
    07-10-2009, 09:00 AM Go to last post
  14. Carrier chillers --- Approach temperatures

    Started by licensed to chill, 07-14-2008 06:44 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 29,032
    07-10-2009, 01:35 AM Go to last post
  15. 3 phase wild leg?

    Started by tirus, 07-07-2009 06:54 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 7,376
    07-09-2009, 10:36 PM Go to last post
  16. A Little off topic, kind of

    Started by kcvrodder, 07-09-2009 08:03 PM
    • Replies: 0
    • Views: 521
    07-09-2009, 08:03 PM Go to last post
  17. Vulcain password?

    Started by chillerfreak, 07-09-2009 06:05 PM
    • Replies: 2
    • Views: 1,105
    07-09-2009, 06:36 PM Go to last post
  18. Pneumatic Control Question....

    Started by mattm, 07-09-2009 04:24 PM
    • Replies: 3
    • Views: 1,418
    07-09-2009, 06:03 PM Go to last post
  19. Cooling Tower Shaft Grease

    Started by Spanky89, 06-30-2009 04:18 PM
    • Replies: 6
    • Views: 967
    07-09-2009, 04:58 PM Go to last post
  20. modifying a Trane IPAK

    Started by man of leisure, 07-08-2009 11:21 AM
    • Replies: 2
    • Views: 619
    07-09-2009, 10:34 AM Go to last post
  21. copleand 6DY3000

    Started by hem057, 07-08-2009 10:09 PM
    • Replies: 1
    • Views: 719
    07-09-2009, 07:53 AM Go to last post
  22. Suction Transducer

    Started by Dchappa21, 07-08-2009 06:33 PM
    • Replies: 6
    • Views: 4,467
    07-09-2009, 06:46 AM Go to last post
  23. CH530 downloads?

    Started by CaptJackSparrow, 07-08-2009 04:32 PM
    • Replies: 2
    • Views: 961
    07-09-2009, 12:31 AM Go to last post
  24. Need Trane information on 40 ton RAUC

    Started by BobbyBJr, 07-08-2009 06:04 PM
    • Replies: 3
    • Views: 1,814
    07-08-2009, 08:25 PM Go to last post
  25. Multi-Jet or self balanced duct design ??

    Started by guitarboyled, 07-07-2009 04:40 PM
    • Replies: 1
    • Views: 719
    07-08-2009, 03:36 PM Go to last post
  26. TGM Mini Split Issue

    Started by man from trane, 07-07-2009 06:59 AM
    • Replies: 2
    • Views: 2,597
    07-08-2009, 08:16 AM Go to last post
  27. Static pressure vs. friction ???

    Started by guitarboyled, 07-07-2009 07:42 PM
    • Replies: 1
    • Views: 2,686
    07-07-2009, 09:17 PM Go to last post
  28. Cool carrier blues

    Started by russ-johnson, 05-27-2008 08:43 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 3,062
    07-07-2009, 08:02 PM Go to last post
  29. Carrier 30GT series low suct pressure switch

    Started by doodlehill, 07-01-2004 11:43 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 12,360
    07-07-2009, 06:43 PM Go to last post
  30. McQuay Chiller

    Started by jdcoolj, 07-07-2009 02:39 PM
    • Replies: 0
    • Views: 682
    07-07-2009, 02:39 PM Go to last post
  31. Confused 5 ton RTU

    Started by HVAC/R Man CO, 06-29-2009 07:31 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 3,492
    07-06-2009, 09:31 PM Go to last post
  32. york D4CG076NO8225A tonnage?

    Started by little john, 06-30-2009 12:44 AM
    • Replies: 4
    • Views: 945
    07-06-2009, 09:17 PM Go to last post
  33. McQuay Heat Pump

    Started by gwoner, 07-06-2009 09:12 PM
    • Replies: 0
    • Views: 584
    07-06-2009, 09:12 PM Go to last post
  34. CVHE 650

    Started by Dobby, 06-29-2009 04:45 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 3,083
    07-06-2009, 06:07 PM Go to last post
  35. Speed drive info.

    Started by mattm, 07-02-2009 01:10 PM
    • Replies: 2
    • Views: 662
    07-06-2009, 08:01 AM Go to last post
    • Replies: 1
    • Views: 1,045
    07-06-2009, 06:21 AM Go to last post
  36. Trane Purge Unit

    Started by maxpower, 06-30-2009 06:24 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,697
    07-05-2009, 08:55 PM Go to last post
  37. CTV

    Started by grendil, 07-05-2009 10:18 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,031
    07-05-2009, 08:33 PM Go to last post
  38. Contactor ratings

    Started by dave1234, 06-30-2009 12:17 PM
    • Replies: 5
    • Views: 1,842
    07-05-2009, 07:48 PM Go to last post
  39. Heat txfer method in DX coil vs CHW coil?

    Started by Grawburg, 07-05-2009 03:57 PM
    • Replies: 2
    • Views: 1,152
    07-05-2009, 05:44 PM Go to last post
  40. Question Help w/ Trane RTU condensing fan issue

    Started by sncityA/C, 03-17-2008 09:15 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 11,016
    07-05-2009, 03:31 PM Go to last post
  41. Hmm lost leg

    Started by mickyj, 07-04-2009 10:55 PM
    • Replies: 4
    • Views: 888
    07-04-2009, 11:04 PM Go to last post
  42. Trane T-Stat info?

    Started by HvAckid82, 06-25-2009 05:13 PM
    • Replies: 9
    • Views: 2,572
    07-04-2009, 11:38 AM Go to last post
  43. Sounded like a Kazoo

    Started by toptech, 06-29-2009 08:54 PM
    • Replies: 2
    • Views: 794
    07-04-2009, 01:23 AM Go to last post
  44. 1985 Trane RTU w/ HW W973 & t7067

    Started by richvacr, 06-30-2009 09:04 PM
    • Replies: 7
    • Views: 2,444
    07-03-2009, 07:27 PM Go to last post
  45. High efficiency HRV for animal shelter?

    Started by jambsi, 07-03-2009 07:08 PM
    • Replies: 0
    • Views: 522
    07-03-2009, 07:08 PM Go to last post
  46. Carrier air cooled condensing unit

    Started by Pneuma, 07-03-2009 11:13 AM
    • Replies: 11
    • Views: 2,153
    07-03-2009, 02:01 PM Go to last post
  47. CVHF

    Started by grendil, 06-25-2009 07:54 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 5,412
    07-03-2009, 09:35 AM Go to last post
  48. York Form 160.54-01 (503)

    Started by wd1958, 07-02-2009 09:35 AM
    • Replies: 3
    • Views: 2,487
    07-03-2009, 05:35 AM Go to last post
  49. 19XR

    Started by Phil B, 07-01-2009 08:18 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,963
    07-02-2009, 08:16 PM Go to last post
  50. Bryant FV4 VS Filter

    Started by tompass, 07-02-2009 08:16 PM
    • Replies: 0
    • Views: 555
    07-02-2009, 08:16 PM Go to last post

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