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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: 12,499
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,705
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Bad Sensor?

    Started by nchvac, 07-31-2009 12:55 PM
    • Replies: 8
    • Views: 1,048
    08-03-2009, 12:49 PM Go to last post
  3. 1997 Trane Voyager

    Started by jme6904, 08-03-2009 12:54 AM
    35 ton, trane commercial hvac, voyager
    • Replies: 4
    • Views: 1,245
    08-03-2009, 07:58 AM Go to last post
    • Replies: 4
    • Views: 2,073
    08-02-2009, 09:10 AM Go to last post
  4. calculate the chiller flow

    Started by danish, 08-02-2009 03:31 AM
    • Replies: 1
    • Views: 855
    08-02-2009, 07:18 AM Go to last post
  5. Question Trane CVHE Noisy

    Started by mtange, 10-15-2004 10:42 AM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 8,158
    08-01-2009, 11:51 PM Go to last post
  6. Carrier Cassette Evap question

    Started by cg2, 08-01-2009 11:00 AM
    • Replies: 3
    • Views: 1,000
    08-01-2009, 08:36 PM Go to last post
  7. Matched set of belts

    Started by cleancondenser, 07-29-2009 11:02 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 9,179
    08-01-2009, 04:15 PM Go to last post
  8. evaporator fabrication

    Started by barks25, 07-30-2009 03:15 PM
    • Replies: 7
    • Views: 1,403
    08-01-2009, 02:59 PM Go to last post
  9. Copeland Scroll Sight Glass

    Started by grgas77, 07-31-2009 09:29 PM
    • Replies: 6
    • Views: 1,573
    08-01-2009, 02:56 PM Go to last post
    • Replies: 3
    • Views: 804
    08-01-2009, 01:03 PM Go to last post
  10. What brand is this?

    Started by BaldLoonie, 07-30-2009 07:22 PM
    • Replies: 12
    • Views: 1,301
    08-01-2009, 08:24 AM Go to last post
  11. Smile york screw troubleshooting capacity/ slide

    Started by ptrck, 06-06-2009 11:28 PM
    • Replies: 2
    • Views: 1,139
    08-01-2009, 06:01 AM Go to last post
  12. Hmm Evap cleaning

    Started by VAV616, 07-30-2009 11:09 AM
    evaporator cleaning
    • Replies: 3
    • Views: 980
    08-01-2009, 01:21 AM Go to last post
  13. Oil Separator

    Started by dd98724, 07-31-2009 02:25 PM
    • Replies: 5
    • Views: 1,189
    07-31-2009, 11:44 PM Go to last post
  14. Liebert too noisy

    Started by ocean1, 05-19-2007 08:57 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,883
    07-31-2009, 10:59 PM Go to last post
  15. EER and SEER Ratings

    Started by rwool006, 07-31-2009 11:42 AM
    • Replies: 2
    • Views: 764
    07-31-2009, 11:54 AM Go to last post
  16. R22 Temperature/Pressure Calculator

    Started by madhat, 06-14-2008 02:23 PM
    • Replies: 7
    • Views: 13,189
    07-31-2009, 09:11 AM Go to last post
  17. Carrier 30HXA chiller

    Started by bowhunter21, 07-30-2009 10:38 AM
    • Replies: 2
    • Views: 2,385
    07-30-2009, 08:16 PM Go to last post
  18. Hmm High pressure seems to be a trend

    Started by reisnasty, 07-29-2009 11:50 PM
    • Replies: 7
    • Views: 916
    07-30-2009, 05:15 PM Go to last post
  19. Older CVHE with CH531

    Started by smokies, 07-30-2009 03:44 PM
    • Replies: 2
    • Views: 729
    07-30-2009, 04:20 PM Go to last post
  20. cvhe750

    Started by rre120, 06-30-2009 10:10 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 3,231
    07-30-2009, 01:01 PM Go to last post
  21. crazy train

    Started by cborgs, 07-25-2009 11:52 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,378
    07-30-2009, 09:48 AM Go to last post
  22. Mcquay Centrifugal Charge issues

    Started by northwestmechanic, 07-28-2009 07:13 PM
    • Replies: 3
    • Views: 1,100
    07-30-2009, 01:55 AM Go to last post
  23. Heat Pump service clearance?

    Started by Spanky89, 07-29-2009 03:07 PM
    • Replies: 3
    • Views: 807
    07-29-2009, 08:19 PM Go to last post
  24. Ruptured Condenser

    Started by lonboy, 07-27-2009 08:25 PM
    • Replies: 7
    • Views: 1,961
    07-29-2009, 06:18 PM Go to last post
  25. HVAC not providing RH within spec.

    Started by pdoubled, 07-27-2009 07:43 PM
    • Replies: 5
    • Views: 870
    07-29-2009, 12:11 PM Go to last post
  26. Anyone take the UA Star test?

    Started by smokies, 07-20-2009 04:35 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,023
    07-28-2009, 11:00 PM Go to last post
  27. Confused Economizer Trouble

    Started by mmsinc, 07-16-2009 04:14 PM
    • Replies: 12
    • Views: 2,540
    07-28-2009, 06:33 PM Go to last post
  28. How to size a boiler

    Started by neilstafford, 07-28-2009 06:55 AM
    • Replies: 4
    • Views: 789
    07-28-2009, 05:05 PM Go to last post
  29. new guy needs help

    Started by hzyv6q, 07-28-2009 02:30 PM
    • Replies: 1
    • Views: 607
    07-28-2009, 03:10 PM Go to last post
  30. Trane BCU Error code

    Started by mpeters, 07-27-2009 02:27 PM
    • Replies: 2
    • Views: 1,074
    07-28-2009, 09:44 AM Go to last post
  31. Tube Punching Machine....

    Started by mtnwrench, 07-27-2009 05:55 PM
    • Replies: 4
    • Views: 855
    07-27-2009, 10:18 PM Go to last post
  32. Lennox

    Started by petesque, 07-27-2009 05:56 PM
    • Replies: 2
    • Views: 647
    07-27-2009, 08:06 PM Go to last post
  33. Off line Chiller problems

    Started by Gilad k, 07-16-2009 08:44 PM
    • Replies: 12
    • Views: 1,633
    07-27-2009, 05:46 PM Go to last post
  34. Compuaire P-lan comm failure

    Started by kellogg, 07-27-2009 10:39 AM
    • Replies: 1
    • Views: 516
    07-27-2009, 03:54 PM Go to last post
  35. Loop Checks & Hot Loop Checks?

    Started by qqqqq, 07-23-2009 10:29 AM
    • Replies: 2
    • Views: 1,009
    07-27-2009, 02:00 PM Go to last post
  36. York RecipPak Nuisance Motor Current Fault

    Started by iaHVACguy, 07-25-2009 09:35 AM
    • Replies: 2
    • Views: 971
    07-27-2009, 08:47 AM Go to last post
  37. How to improve delta T

    Started by danish, 07-22-2009 07:24 AM
    • Replies: 9
    • Views: 3,656
    07-27-2009, 07:12 AM Go to last post
  38. burnout

    Started by emtim, 07-23-2009 10:40 PM
    • Replies: 6
    • Views: 971
    07-26-2009, 11:26 PM Go to last post
  39. Why not a dedicated chiller forum?

    Started by ChillerWisperer, 06-07-2009 12:56 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 5,497
    07-26-2009, 11:02 PM Go to last post
  40. trane intellipak older 100 ton wiring schematic

    Started by supertek65, 07-24-2009 06:59 PM
    • Replies: 12
    • Views: 5,657
    07-26-2009, 06:20 PM Go to last post
  41. YCWS IOM

    Started by doubleduece, 07-22-2009 05:56 PM
    • Replies: 5
    • Views: 1,237
    07-26-2009, 03:49 PM Go to last post
  42. Commercial Goodman question

    Started by 2nu2no, 07-26-2009 12:50 PM
    • Replies: 0
    • Views: 766
    07-26-2009, 12:50 PM Go to last post
  43. Red face Economizers-How to?

    Started by lemon, 07-21-2009 08:32 PM
    • Replies: 5
    • Views: 1,773
    07-26-2009, 12:02 PM Go to last post
  44. all about unloaders

    Started by richvacr, 07-22-2009 09:59 PM
    • Replies: 3
    • Views: 830
    07-25-2009, 12:45 PM Go to last post
  45. York YCAS Chiller Problem

    Started by pa2jonah, 03-15-2007 01:26 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 10,253
    07-25-2009, 12:00 PM Go to last post
  46. Split furnace with 7.5 ton blower

    Started by RieckTech2, 07-25-2009 08:47 AM
    • Replies: 0
    • Views: 1,931
    07-25-2009, 08:47 AM Go to last post
  47. HVAC office Building Design in Upstate NY?

    Started by Grawburg, 07-22-2009 04:17 PM
    • Replies: 5
    • Views: 1,063
    07-25-2009, 07:06 AM Go to last post
  48. Carrier 17MA compessor teardown literature

    Started by goscottogo, 07-13-2009 03:44 PM
    • Replies: 11
    • Views: 1,289
    07-23-2009, 08:22 PM Go to last post
  49. R22 was served a death sentence in 87'

    Started by maxster, 07-23-2009 05:19 PM
    • Replies: 0
    • Views: 723
    07-23-2009, 05:19 PM Go to last post

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