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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: 9,760
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,496
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Some Carrier help

    Started by ascj, 07-09-2009 06:54 PM
    • Replies: 10
    • Views: 1,887
    07-11-2009, 07:52 PM Go to last post
  3. How to tell if you are low on refrigerant

    Started by andreas, 07-07-2009 10:36 AM
    • Replies: 8
    • Views: 2,003
    07-11-2009, 03:28 PM Go to last post
  4. Chillers and excessive compressor starts

    Started by licensed to chill, 07-09-2009 05:45 PM
    • Replies: 9
    • Views: 1,411
    07-11-2009, 02:42 PM Go to last post
  5. Hmm 10 ton air source wiring

    Started by Noquiter, 07-03-2009 10:21 PM
    backfeed, phase, transformer
    • Replies: 5
    • Views: 837
    07-10-2009, 11:50 PM Go to last post
  6. chiller abnormal noise

    Started by comfortable air, 07-09-2009 08:56 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,671
    07-10-2009, 10:02 PM Go to last post
  7. Rattling Swing check

    Started by JH5684, 07-08-2009 06:00 PM
    • Replies: 3
    • Views: 951
    07-10-2009, 09:17 PM Go to last post
  8. York YK

    Started by hvacr, 06-25-2009 12:02 AM
    • Replies: 8
    • Views: 1,396
    07-10-2009, 05:31 PM Go to last post
  9. York screw machine grease

    Started by bobby m, 02-28-2007 10:48 AM
    • Replies: 8
    • Views: 2,041
    07-10-2009, 04:45 PM Go to last post
  10. subcooling numbers on York YT optispeed

    Started by r404a, 07-04-2009 11:11 PM
    • Replies: 11
    • Views: 1,775
    07-10-2009, 04:40 PM Go to last post
  11. York YK

    Started by hvacr, 07-10-2009 01:00 PM
    • Replies: 1
    • Views: 670
    07-10-2009, 04:36 PM Go to last post
  12. Snyder General McQuay

    Started by 24seven, 07-06-2009 05:32 PM
    • Replies: 8
    • Views: 2,598
    07-10-2009, 09:00 AM Go to last post
  13. Carrier chillers --- Approach temperatures

    Started by licensed to chill, 07-14-2008 06:44 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 25,702
    07-10-2009, 01:35 AM Go to last post
  14. 3 phase wild leg?

    Started by tirus, 07-07-2009 06:54 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 6,144
    07-09-2009, 10:36 PM Go to last post
  15. A Little off topic, kind of

    Started by kcvrodder, 07-09-2009 08:03 PM
    • Replies: 0
    • Views: 474
    07-09-2009, 08:03 PM Go to last post
  16. Vulcain password?

    Started by chillerfreak, 07-09-2009 06:05 PM
    • Replies: 2
    • Views: 941
    07-09-2009, 06:36 PM Go to last post
  17. Pneumatic Control Question....

    Started by mattm, 07-09-2009 04:24 PM
    • Replies: 3
    • Views: 1,213
    07-09-2009, 06:03 PM Go to last post
  18. Cooling Tower Shaft Grease

    Started by Spanky89, 06-30-2009 04:18 PM
    • Replies: 6
    • Views: 849
    07-09-2009, 04:58 PM Go to last post
  19. modifying a Trane IPAK

    Started by man of leisure, 07-08-2009 11:21 AM
    • Replies: 2
    • Views: 560
    07-09-2009, 10:34 AM Go to last post
  20. copleand 6DY3000

    Started by hem057, 07-08-2009 10:09 PM
    • Replies: 1
    • Views: 671
    07-09-2009, 07:53 AM Go to last post
  21. Suction Transducer

    Started by Dchappa21, 07-08-2009 06:33 PM
    • Replies: 6
    • Views: 3,586
    07-09-2009, 06:46 AM Go to last post
  22. CH530 downloads?

    Started by CaptJackSparrow, 07-08-2009 04:32 PM
    • Replies: 2
    • Views: 824
    07-09-2009, 12:31 AM Go to last post
  23. Need Trane information on 40 ton RAUC

    Started by BobbyBJr, 07-08-2009 06:04 PM
    • Replies: 3
    • Views: 1,558
    07-08-2009, 08:25 PM Go to last post
  24. Multi-Jet or self balanced duct design ??

    Started by guitarboyled, 07-07-2009 04:40 PM
    • Replies: 1
    • Views: 658
    07-08-2009, 03:36 PM Go to last post
  25. TGM Mini Split Issue

    Started by man from trane, 07-07-2009 06:59 AM
    • Replies: 2
    • Views: 2,284
    07-08-2009, 08:16 AM Go to last post
  26. Static pressure vs. friction ???

    Started by guitarboyled, 07-07-2009 07:42 PM
    • Replies: 1
    • Views: 2,104
    07-07-2009, 09:17 PM Go to last post
  27. Cool carrier blues

    Started by russ-johnson, 05-27-2008 08:43 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,729
    07-07-2009, 08:02 PM Go to last post
  28. 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: 10,746
    07-07-2009, 06:43 PM Go to last post
  29. McQuay Chiller

    Started by jdcoolj, 07-07-2009 02:39 PM
    • Replies: 0
    • Views: 625
    07-07-2009, 02:39 PM Go to last post
  30. Confused 5 ton RTU

    Started by HVAC/R Man CO, 06-29-2009 07:31 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 3,053
    07-06-2009, 09:31 PM Go to last post
  31. york D4CG076NO8225A tonnage?

    Started by little john, 06-30-2009 12:44 AM
    • Replies: 4
    • Views: 782
    07-06-2009, 09:17 PM Go to last post
  32. McQuay Heat Pump

    Started by gwoner, 07-06-2009 09:12 PM
    • Replies: 0
    • Views: 541
    07-06-2009, 09:12 PM Go to last post
  33. CVHE 650

    Started by Dobby, 06-29-2009 04:45 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,649
    07-06-2009, 06:07 PM Go to last post
  34. Speed drive info.

    Started by mattm, 07-02-2009 01:10 PM
    • Replies: 2
    • Views: 594
    07-06-2009, 08:01 AM Go to last post
  35. Trane Purge Unit

    Started by maxpower, 06-30-2009 06:24 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 4,739
    07-05-2009, 08:55 PM Go to last post
  36. CTV

    Started by grendil, 07-05-2009 10:18 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,810
    07-05-2009, 08:33 PM Go to last post
  37. Contactor ratings

    Started by dave1234, 06-30-2009 12:17 PM
    • Replies: 5
    • Views: 1,588
    07-05-2009, 07:48 PM Go to last post
  38. Heat txfer method in DX coil vs CHW coil?

    Started by Grawburg, 07-05-2009 03:57 PM
    • Replies: 2
    • Views: 1,055
    07-05-2009, 05:44 PM Go to last post
  39. 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: 9,307
    07-05-2009, 03:31 PM Go to last post
  40. Hmm lost leg

    Started by mickyj, 07-04-2009 10:55 PM
    • Replies: 4
    • Views: 749
    07-04-2009, 11:04 PM Go to last post
  41. Trane T-Stat info?

    Started by HvAckid82, 06-25-2009 05:13 PM
    • Replies: 9
    • Views: 2,211
    07-04-2009, 11:38 AM Go to last post
  42. Sounded like a Kazoo

    Started by toptech, 06-29-2009 08:54 PM
    • Replies: 2
    • Views: 678
    07-04-2009, 01:23 AM Go to last post
  43. 1985 Trane RTU w/ HW W973 & t7067

    Started by richvacr, 06-30-2009 09:04 PM
    • Replies: 7
    • Views: 2,023
    07-03-2009, 07:27 PM Go to last post
  44. High efficiency HRV for animal shelter?

    Started by jambsi, 07-03-2009 07:08 PM
    • Replies: 0
    • Views: 487
    07-03-2009, 07:08 PM Go to last post
  45. Carrier air cooled condensing unit

    Started by Pneuma, 07-03-2009 11:13 AM
    • Replies: 11
    • Views: 1,798
    07-03-2009, 02:01 PM Go to last post
  46. CVHF

    Started by grendil, 06-25-2009 07:54 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 4,588
    07-03-2009, 09:35 AM Go to last post
  47. York Form 160.54-01 (503)

    Started by wd1958, 07-02-2009 09:35 AM
    • Replies: 3
    • Views: 2,236
    07-03-2009, 05:35 AM Go to last post
  48. 19XR

    Started by Phil B, 07-01-2009 08:18 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,751
    07-02-2009, 08:16 PM Go to last post
  49. Bryant FV4 VS Filter

    Started by tompass, 07-02-2009 08:16 PM
    • Replies: 0
    • Views: 497
    07-02-2009, 08:16 PM Go to last post
  50. CVHF

    Started by grendil, 07-01-2009 09:41 PM
    • Replies: 3
    • Views: 660
    07-02-2009, 09:23 AM Go to last post

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