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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: 11,458
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 9,939
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Carrier Cassette Evap question

    Started by cg2, 08-01-2009 11:00 AM
    • Replies: 3
    • Views: 872
    08-01-2009, 08:36 PM Go to last post
  3. Matched set of belts

    Started by cleancondenser, 07-29-2009 11:02 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 8,044
    08-01-2009, 04:15 PM Go to last post
  4. evaporator fabrication

    Started by barks25, 07-30-2009 03:15 PM
    • Replies: 7
    • Views: 1,229
    08-01-2009, 02:59 PM Go to last post
  5. Copeland Scroll Sight Glass

    Started by grgas77, 07-31-2009 09:29 PM
    • Replies: 6
    • Views: 1,273
    08-01-2009, 02:56 PM Go to last post
    • Replies: 3
    • Views: 669
    08-01-2009, 01:03 PM Go to last post
  6. What brand is this?

    Started by BaldLoonie, 07-30-2009 07:22 PM
    • Replies: 12
    • Views: 1,186
    08-01-2009, 08:24 AM Go to last post
  7. Smile york screw troubleshooting capacity/ slide

    Started by ptrck, 06-06-2009 11:28 PM
    • Replies: 2
    • Views: 1,020
    08-01-2009, 06:01 AM Go to last post
  8. Hmm Evap cleaning

    Started by VAV616, 07-30-2009 11:09 AM
    evaporator cleaning
    • Replies: 3
    • Views: 827
    08-01-2009, 01:21 AM Go to last post
  9. Oil Separator

    Started by dd98724, 07-31-2009 02:25 PM
    • Replies: 5
    • Views: 1,016
    07-31-2009, 11:44 PM Go to last post
  10. Liebert too noisy

    Started by ocean1, 05-19-2007 08:57 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,115
    07-31-2009, 10:59 PM Go to last post
  11. EER and SEER Ratings

    Started by rwool006, 07-31-2009 11:42 AM
    • Replies: 2
    • Views: 724
    07-31-2009, 11:54 AM Go to last post
  12. R22 Temperature/Pressure Calculator

    Started by madhat, 06-14-2008 02:23 PM
    • Replies: 7
    • Views: 12,178
    07-31-2009, 09:11 AM Go to last post
  13. Carrier 30HXA chiller

    Started by bowhunter21, 07-30-2009 10:38 AM
    • Replies: 2
    • Views: 2,225
    07-30-2009, 08:16 PM Go to last post
  14. Hmm High pressure seems to be a trend

    Started by reisnasty, 07-29-2009 11:50 PM
    • Replies: 7
    • Views: 756
    07-30-2009, 05:15 PM Go to last post
  15. Older CVHE with CH531

    Started by smokies, 07-30-2009 03:44 PM
    • Replies: 2
    • Views: 633
    07-30-2009, 04:20 PM Go to last post
  16. cvhe750

    Started by rre120, 06-30-2009 10:10 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 2,757
    07-30-2009, 01:01 PM Go to last post
  17. crazy train

    Started by cborgs, 07-25-2009 11:52 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,966
    07-30-2009, 09:48 AM Go to last post
  18. Mcquay Centrifugal Charge issues

    Started by northwestmechanic, 07-28-2009 07:13 PM
    • Replies: 3
    • Views: 983
    07-30-2009, 01:55 AM Go to last post
  19. Heat Pump service clearance?

    Started by Spanky89, 07-29-2009 03:07 PM
    • Replies: 3
    • Views: 693
    07-29-2009, 08:19 PM Go to last post
  20. Ruptured Condenser

    Started by lonboy, 07-27-2009 08:25 PM
    • Replies: 7
    • Views: 1,620
    07-29-2009, 06:18 PM Go to last post
  21. HVAC not providing RH within spec.

    Started by pdoubled, 07-27-2009 07:43 PM
    • Replies: 5
    • Views: 771
    07-29-2009, 12:11 PM Go to last post
  22. Anyone take the UA Star test?

    Started by smokies, 07-20-2009 04:35 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,693
    07-28-2009, 11:00 PM Go to last post
  23. Confused Economizer Trouble

    Started by mmsinc, 07-16-2009 04:14 PM
    • Replies: 12
    • Views: 2,147
    07-28-2009, 06:33 PM Go to last post
  24. How to size a boiler

    Started by neilstafford, 07-28-2009 06:55 AM
    • Replies: 4
    • Views: 684
    07-28-2009, 05:05 PM Go to last post
  25. new guy needs help

    Started by hzyv6q, 07-28-2009 02:30 PM
    • Replies: 1
    • Views: 522
    07-28-2009, 03:10 PM Go to last post
  26. Trane BCU Error code

    Started by mpeters, 07-27-2009 02:27 PM
    • Replies: 2
    • Views: 1,017
    07-28-2009, 09:44 AM Go to last post
  27. Tube Punching Machine....

    Started by mtnwrench, 07-27-2009 05:55 PM
    • Replies: 4
    • Views: 757
    07-27-2009, 10:18 PM Go to last post
  28. Lennox

    Started by petesque, 07-27-2009 05:56 PM
    • Replies: 2
    • Views: 631
    07-27-2009, 08:06 PM Go to last post
  29. Off line Chiller problems

    Started by Gilad k, 07-16-2009 08:44 PM
    • Replies: 12
    • Views: 1,382
    07-27-2009, 05:46 PM Go to last post
  30. Compuaire P-lan comm failure

    Started by kellogg, 07-27-2009 10:39 AM
    • Replies: 1
    • Views: 496
    07-27-2009, 03:54 PM Go to last post
  31. Loop Checks & Hot Loop Checks?

    Started by qqqqq, 07-23-2009 10:29 AM
    • Replies: 2
    • Views: 881
    07-27-2009, 02:00 PM Go to last post
  32. York RecipPak Nuisance Motor Current Fault

    Started by iaHVACguy, 07-25-2009 09:35 AM
    • Replies: 2
    • Views: 847
    07-27-2009, 08:47 AM Go to last post
  33. How to improve delta T

    Started by danish, 07-22-2009 07:24 AM
    • Replies: 9
    • Views: 3,005
    07-27-2009, 07:12 AM Go to last post
  34. burnout

    Started by emtim, 07-23-2009 10:40 PM
    • Replies: 6
    • Views: 834
    07-26-2009, 11:26 PM Go to last post
  35. Why not a dedicated chiller forum?

    Started by ChillerWisperer, 06-07-2009 12:56 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 4,758
    07-26-2009, 11:02 PM Go to last post
  36. trane intellipak older 100 ton wiring schematic

    Started by supertek65, 07-24-2009 06:59 PM
    • Replies: 12
    • Views: 5,115
    07-26-2009, 06:20 PM Go to last post
  37. YCWS IOM

    Started by doubleduece, 07-22-2009 05:56 PM
    • Replies: 5
    • Views: 1,128
    07-26-2009, 03:49 PM Go to last post
  38. Commercial Goodman question

    Started by 2nu2no, 07-26-2009 12:50 PM
    • Replies: 0
    • Views: 692
    07-26-2009, 12:50 PM Go to last post
  39. Red face Economizers-How to?

    Started by lemon, 07-21-2009 08:32 PM
    • Replies: 5
    • Views: 1,522
    07-26-2009, 12:02 PM Go to last post
  40. all about unloaders

    Started by richvacr, 07-22-2009 09:59 PM
    • Replies: 3
    • Views: 780
    07-25-2009, 12:45 PM Go to last post
  41. York YCAS Chiller Problem

    Started by pa2jonah, 03-15-2007 01:26 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 8,709
    07-25-2009, 12:00 PM Go to last post
  42. Split furnace with 7.5 ton blower

    Started by RieckTech2, 07-25-2009 08:47 AM
    • Replies: 0
    • Views: 1,731
    07-25-2009, 08:47 AM Go to last post
  43. HVAC office Building Design in Upstate NY?

    Started by Grawburg, 07-22-2009 04:17 PM
    • Replies: 5
    • Views: 871
    07-25-2009, 07:06 AM Go to last post
  44. Carrier 17MA compessor teardown literature

    Started by goscottogo, 07-13-2009 03:44 PM
    • Replies: 11
    • Views: 1,213
    07-23-2009, 08:22 PM Go to last post
  45. R22 was served a death sentence in 87'

    Started by maxster, 07-23-2009 05:19 PM
    • Replies: 0
    • Views: 646
    07-23-2009, 05:19 PM Go to last post
  46. Liebert Level0 Board Upgrade

    Started by lorax808, 07-17-2009 01:33 PM
    • Replies: 5
    • Views: 810
    07-23-2009, 12:45 PM Go to last post
  47. RTAC

    Started by chillerguru, 02-26-2005 02:19 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,384
    07-23-2009, 12:06 PM Go to last post
  48. Confused 06ET265-360 Problem

    Started by servman, 07-12-2009 06:32 PM
    • Replies: 12
    • Views: 2,575
    07-23-2009, 09:34 AM Go to last post
  49. YT power supply dead

    Started by Randy S., 07-13-2009 10:14 PM
    • Replies: 12
    • Views: 998
    07-23-2009, 08:55 AM Go to last post
    • Replies: 7
    • Views: 3,009
    07-22-2009, 11:04 PM Go to last post

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