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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: 9,457
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,257
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Commercial/Industrial

    Started by gasnowman, 09-24-2008 11:06 PM
    • Replies: 3
    • Views: 1,202
    10-01-2008, 09:23 PM Go to last post
  3. DUNHAM BUSH PARTS

    Started by bowhunter21, 10-01-2008 09:04 AM
    • Replies: 3
    • Views: 2,059
    10-01-2008, 08:05 PM Go to last post
  4. Trouble with a Dunham Bush Compressor

    Started by bowhunter21, 09-26-2008 10:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,623
    10-01-2008, 07:54 PM Go to last post
  5. 300 microns?

    Started by majortom, 09-25-2008 02:33 PM
    • Replies: 12
    • Views: 2,552
    10-01-2008, 07:36 PM Go to last post
  6. Oil in the CHW system

    Started by temco, 10-01-2008 02:09 PM
    • Replies: 4
    • Views: 721
    10-01-2008, 05:11 PM Go to last post
  7. Walking Shaft

    Started by big johnson, 09-30-2008 01:32 PM
    • Replies: 4
    • Views: 942
    10-01-2008, 04:01 PM Go to last post
  8. Lightbulb Trane vs York

    Started by hotNcold59, 09-29-2008 10:55 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,757
    10-01-2008, 03:26 PM Go to last post
  9. mcquay rps machine guning

    Started by al o, 09-30-2008 10:27 PM
    • Replies: 0
    • Views: 649
    09-30-2008, 10:27 PM Go to last post
    • Replies: 8
    • Views: 2,453
    09-30-2008, 10:13 PM Go to last post
  10. searching for N30 expertise in NJ

    Started by elfie, 09-30-2008 03:25 PM
    • Replies: 1
    • Views: 754
    09-30-2008, 06:44 PM Go to last post
  11. Refrigeration / Air Conditioning Cycle

    Started by SlowLearner, 09-25-2008 11:20 AM
    • Replies: 8
    • Views: 2,059
    09-30-2008, 06:20 PM Go to last post
  12. Copeland scroll oil level 60 ton

    Started by allstar08, 09-28-2008 03:14 PM
    • Replies: 5
    • Views: 1,298
    09-30-2008, 05:22 PM Go to last post
  13. Thumbs up email a/c

    Started by cool_tech, 09-24-2008 05:57 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 3,567
    09-30-2008, 10:21 AM Go to last post
  14. Unhappy York YRVBVBT3-46C 400 Bearing Problems

    Started by ACCMan, 09-11-2007 03:58 PM
    • Replies: 9
    • Views: 2,221
    09-30-2008, 10:04 AM Go to last post
  15. wiel mclain boiler

    Started by oldtimer2, 09-29-2008 07:02 PM
    • Replies: 0
    • Views: 703
    09-29-2008, 07:02 PM Go to last post
  16. Lowering the discharge pressure

    Started by 242447, 09-27-2008 01:34 AM
    • Replies: 8
    • Views: 1,499
    09-29-2008, 05:55 PM Go to last post
  17. Setting expansion tanks

    Started by Salmonone, 09-25-2008 11:18 AM
    • Replies: 7
    • Views: 1,442
    09-28-2008, 09:37 PM Go to last post
  18. TXV

    Started by dogdidit, 09-26-2008 08:08 PM
    • Replies: 6
    • Views: 1,433
    09-28-2008, 07:56 PM Go to last post
  19. R-421?

    Started by Grawburg, 09-27-2008 08:10 PM
    • Replies: 4
    • Views: 1,479
    09-28-2008, 12:29 PM Go to last post
  20. Confused York ISN Recip Pak Control

    Started by chill bill, 09-24-2008 08:09 AM
    • Replies: 2
    • Views: 1,336
    09-28-2008, 09:49 AM Go to last post
  21. Steel compatibility with Freon 23

    Started by excal, 09-28-2008 04:45 AM
    • Replies: 0
    • Views: 582
    09-28-2008, 04:45 AM Go to last post
  22. Am I crazy or is this the weirdest leak ever...

    Started by quonix, 09-25-2008 04:24 PM
    • Replies: 7
    • Views: 1,510
    09-27-2008, 11:34 PM Go to last post
  23. York air handlers

    Started by joken, 09-24-2008 02:35 PM
    • Replies: 4
    • Views: 1,086
    09-27-2008, 11:33 PM Go to last post
  24. My favorite service call

    Started by 537refergirl, 09-26-2008 06:37 AM
    • Replies: 4
    • Views: 1,096
    09-26-2008, 10:12 PM Go to last post
  25. threads on oil drain

    Started by dogdidit, 09-23-2008 08:05 PM
    • Replies: 10
    • Views: 1,348
    09-26-2008, 07:57 PM Go to last post
  26. Minimums for 19XR Chiller

    Started by Shophound, 09-25-2008 02:04 PM
    • Replies: 4
    • Views: 926
    09-26-2008, 05:02 PM Go to last post
  27. Interpreting model numbers

    Started by Grawburg, 09-25-2008 08:56 PM
    • Replies: 4
    • Views: 1,410
    09-26-2008, 07:34 AM Go to last post
  28. CVHE Economizer flanges.

    Started by CaptJackSparrow, 09-13-2008 08:07 AM
    • Replies: 8
    • Views: 1,944
    09-25-2008, 09:09 PM Go to last post
  29. Pleated Screen in 2" thick filter frame

    Started by tcampb51, 09-25-2008 04:07 PM
    • Replies: 1
    • Views: 791
    09-25-2008, 07:46 PM Go to last post
  30. Trade Schools

    Started by CaptJackSparrow, 09-13-2008 07:29 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,097
    09-25-2008, 03:08 PM Go to last post
  31. megger uses

    Started by whitepoundog, 09-15-2008 07:03 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 3,425
    09-25-2008, 01:50 PM Go to last post
  32. HOW TIGHT IS TOO TIGHT???

    Started by hvac_two, 09-25-2008 09:10 AM
    • Replies: 3
    • Views: 801
    09-25-2008, 01:38 PM Go to last post
  33. DSS-chapter 17

    Started by Mikeylikesit, 09-24-2008 02:27 PM
    • Replies: 11
    • Views: 1,525
    09-25-2008, 01:28 PM Go to last post
  34. Gas Rotisserie Problem

    Started by hvac1982, 09-23-2008 07:51 PM
    • Replies: 4
    • Views: 1,082
    09-24-2008, 11:30 PM Go to last post
  35. Is it worth salvaging?

    Started by Guardrail, 09-24-2008 09:48 PM
    • Replies: 6
    • Views: 1,273
    09-24-2008, 10:12 PM Go to last post
  36. Need start-up sheet

    Started by Idigguns, 09-24-2008 06:01 PM
    • Replies: 2
    • Views: 1,233
    09-24-2008, 08:26 PM Go to last post
  37. Confused York Predator

    Started by Unionman, 10-31-2006 10:49 PM
    • Replies: 3
    • Views: 1,751
    09-23-2008, 09:12 PM Go to last post
  38. 30GT rquired to install VFD

    Started by mcfaisol, 09-21-2008 01:47 AM
    • Replies: 8
    • Views: 1,176
    09-23-2008, 05:15 PM Go to last post
  39. YK Wiring Diagram 160.54-PW2.1

    Started by pete_d, 09-23-2008 09:49 AM
    • Replies: 1
    • Views: 756
    09-23-2008, 04:58 PM Go to last post
  40. york predator gas pack

    Started by jkilowatt, 09-23-2008 10:59 AM
    • Replies: 0
    • Views: 1,176
    09-23-2008, 10:59 AM Go to last post
  41. Bearing

    Started by dogdidit, 09-15-2008 02:55 PM
    • Replies: 4
    • Views: 1,608
    09-22-2008, 09:07 PM Go to last post
  42. 100 percent outside air

    Started by bigger b, 09-15-2008 10:58 PM
    • Replies: 6
    • Views: 2,407
    09-22-2008, 08:48 PM Go to last post
  43. york yscacas2-cke screw chiller

    Started by Righttemp, 09-22-2008 03:37 PM
    • Replies: 2
    • Views: 1,193
    09-22-2008, 07:04 PM Go to last post
  44. Acid Clean Up

    Started by Jim The Hut, 09-11-2008 11:14 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,676
    09-22-2008, 06:59 PM Go to last post
  45. Fan coil - too much air

    Started by md1976, 09-12-2008 03:48 PM
    • Replies: 10
    • Views: 1,389
    09-22-2008, 06:34 PM Go to last post
  46. Confused York Chiller Guru Question

    Started by jogas, 07-27-2008 01:48 PM
    • Replies: 12
    • Views: 3,075
    09-21-2008, 08:00 AM Go to last post
  47. Can You Help Identify This System?

    Started by youstaycool, 09-19-2008 01:47 PM
    • Replies: 9
    • Views: 1,851
    09-20-2008, 11:49 PM Go to last post
  48. O6E Troubles

    Started by Milk man, 09-18-2008 07:07 PM
    • Replies: 11
    • Views: 1,876
    09-20-2008, 07:36 PM Go to last post
  49. York YACS033 Screw Chiller

    Started by airworx, 09-04-2008 06:19 PM
    • Replies: 4
    • Views: 967
    09-20-2008, 06:03 PM Go to last post
  50. one or two humidifiers?

    Started by wlee69, 09-19-2008 01:00 PM
    • Replies: 1
    • Views: 651
    09-19-2008, 03:24 PM Go to last post

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