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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky: >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 4,165
    10-31-2011, 07:41 PM Go to last post
  2. Sticky Thread Sticky: A must read for all members...Who can reply to the AOP area

    Started by Dad, 10-31-2011 07:37 PM
    • Replies: 0
    • Views: 3,466
    10-31-2011, 07:37 PM Go to last post
  1. Filtrine IOMs

    Started by nun, 10-04-2008 08:20 AM
    • Replies: 2
    • Views: 771
    10-04-2008, 11:38 PM Go to last post
  2. York printer pins

    Started by CHLR618, 10-03-2008 03:56 PM
    • Replies: 5
    • Views: 530
    10-04-2008, 08:56 PM Go to last post
  3. Most Efficent Duct Design For Tall Ceilings?

    Started by halcali, 10-03-2008 04:32 PM
    • Replies: 5
    • Views: 713
    10-04-2008, 04:39 PM Go to last post
  4. carrier 19xr chiller

    Started by pdmech, 10-01-2008 11:54 PM
    • Replies: 7
    • Views: 939
    10-03-2008, 07:50 PM Go to last post
  5. N30 expertise

    Started by elfie, 10-02-2008 08:58 PM
    • Replies: 4
    • Views: 581
    10-03-2008, 04:14 PM Go to last post
  6. york ys oil level switch

    Started by airjoe, 10-01-2008 09:22 PM
    • Replies: 3
    • Views: 629
    10-03-2008, 03:18 PM Go to last post
  7. Thermodynamic calculations for a server room

    Started by letsbangout, 10-01-2008 10:08 PM
    • Replies: 9
    • Views: 1,340
    10-03-2008, 11:04 AM Go to last post
  8. modulating mixing valve wiring

    Started by kb1clx, 09-28-2008 09:37 PM
    • Replies: 4
    • Views: 1,366
    10-02-2008, 10:57 PM Go to last post
    • Replies: 8
    • Views: 697
    10-02-2008, 10:13 PM Go to last post
  9. Trane Manual

    Started by sdeery, 10-01-2008 10:24 PM
    • Replies: 3
    • Views: 769
    10-02-2008, 10:08 PM Go to last post
  10. question about system vac

    Started by bribone, 10-01-2008 11:16 PM
    • Replies: 3
    • Views: 625
    10-02-2008, 10:00 PM Go to last post
  11. copper plating on compressor valves

    Started by ispip, 09-26-2008 06:58 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,865
    10-02-2008, 06:20 PM Go to last post
  12. glycol sample turns brown

    Started by sraburne, 10-01-2008 11:09 PM
    • Replies: 3
    • Views: 664
    10-02-2008, 06:12 PM Go to last post
  13. condensate traps

    Started by bribone, 10-01-2008 11:10 PM
    • Replies: 1
    • Views: 660
    10-02-2008, 07:45 AM Go to last post
  14. Please Help Confirm Cooling Requirements

    Started by CoolinSD, 09-12-2008 04:42 PM
    • Replies: 6
    • Views: 825
    10-01-2008, 09:28 PM Go to last post
  15. Commercial/Industrial

    Started by gasnowman, 09-24-2008 11:06 PM
    • Replies: 3
    • Views: 700
    10-01-2008, 09:23 PM Go to last post
  16. DUNHAM BUSH PARTS

    Started by bowhunter21, 10-01-2008 09:04 AM
    • Replies: 3
    • Views: 1,626
    10-01-2008, 08:05 PM Go to last post
  17. Trouble with a Dunham Bush Compressor

    Started by bowhunter21, 09-26-2008 10:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,902
    10-01-2008, 07:54 PM Go to last post
  18. 300 microns?

    Started by majortom, 09-25-2008 02:33 PM
    • Replies: 12
    • Views: 1,631
    10-01-2008, 07:36 PM Go to last post
  19. Oil in the CHW system

    Started by temco, 10-01-2008 02:09 PM
    • Replies: 4
    • Views: 493
    10-01-2008, 05:11 PM Go to last post
  20. Walking Shaft

    Started by big johnson, 09-30-2008 01:32 PM
    • Replies: 4
    • Views: 662
    10-01-2008, 04:01 PM Go to last post
  21. Lightbulb Trane vs York

    Started by hotNcold59, 09-29-2008 10:55 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,972
    10-01-2008, 03:26 PM Go to last post
  22. mcquay rps machine guning

    Started by al o, 09-30-2008 10:27 PM
    • Replies: 0
    • Views: 476
    09-30-2008, 10:27 PM Go to last post
    • Replies: 8
    • Views: 1,577
    09-30-2008, 10:13 PM Go to last post
  23. searching for N30 expertise in NJ

    Started by elfie, 09-30-2008 03:25 PM
    • Replies: 1
    • Views: 514
    09-30-2008, 06:44 PM Go to last post
  24. Refrigeration / Air Conditioning Cycle

    Started by SlowLearner, 09-25-2008 11:20 AM
    • Replies: 8
    • Views: 1,433
    09-30-2008, 06:20 PM Go to last post
  25. Copeland scroll oil level 60 ton

    Started by allstar08, 09-28-2008 03:14 PM
    • Replies: 5
    • Views: 917
    09-30-2008, 05:22 PM Go to last post
  26. Thumbs up email a/c

    Started by cool_tech, 09-24-2008 05:57 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,180
    09-30-2008, 10:21 AM Go to last post
  27. Unhappy York YRVBVBT3-46C 400 Bearing Problems

    Started by ACCMan, 09-11-2007 03:58 PM
    • Replies: 9
    • Views: 1,682
    09-30-2008, 10:04 AM Go to last post
  28. wiel mclain boiler

    Started by oldtimer2, 09-29-2008 07:02 PM
    • Replies: 0
    • Views: 527
    09-29-2008, 07:02 PM Go to last post
  29. Lowering the discharge pressure

    Started by 242447, 09-27-2008 01:34 AM
    • Replies: 8
    • Views: 1,116
    09-29-2008, 05:55 PM Go to last post
  30. Setting expansion tanks

    Started by Salmonone, 09-25-2008 11:18 AM
    • Replies: 7
    • Views: 1,023
    09-28-2008, 09:37 PM Go to last post
  31. TXV

    Started by dogdidit, 09-26-2008 08:08 PM
    • Replies: 6
    • Views: 984
    09-28-2008, 07:56 PM Go to last post
  32. R-421?

    Started by Grawburg, 09-27-2008 08:10 PM
    • Replies: 4
    • Views: 1,068
    09-28-2008, 12:29 PM Go to last post
  33. Confused York ISN Recip Pak Control

    Started by chill bill, 09-24-2008 08:09 AM
    • Replies: 2
    • Views: 1,029
    09-28-2008, 09:49 AM Go to last post
  34. Steel compatibility with Freon 23

    Started by excal, 09-28-2008 04:45 AM
    • Replies: 0
    • Views: 388
    09-28-2008, 04:45 AM Go to last post
  35. Am I crazy or is this the weirdest leak ever...

    Started by quonix, 09-25-2008 04:24 PM
    • Replies: 7
    • Views: 1,151
    09-27-2008, 11:34 PM Go to last post
  36. York air handlers

    Started by joken, 09-24-2008 02:35 PM
    • Replies: 4
    • Views: 807
    09-27-2008, 11:33 PM Go to last post
  37. My favorite service call

    Started by 537refergirl, 09-26-2008 06:37 AM
    • Replies: 4
    • Views: 898
    09-26-2008, 10:12 PM Go to last post
  38. threads on oil drain

    Started by dogdidit, 09-23-2008 08:05 PM
    • Replies: 10
    • Views: 776
    09-26-2008, 07:57 PM Go to last post
  39. Minimums for 19XR Chiller

    Started by Shophound, 09-25-2008 02:04 PM
    • Replies: 4
    • Views: 610
    09-26-2008, 05:02 PM Go to last post
  40. Interpreting model numbers

    Started by Grawburg, 09-25-2008 08:56 PM
    • Replies: 4
    • Views: 948
    09-26-2008, 07:34 AM Go to last post
  41. CVHE Economizer flanges.

    Started by CaptJackSparrow, 09-13-2008 08:07 AM
    • Replies: 8
    • Views: 1,363
    09-25-2008, 09:09 PM Go to last post
  42. Pleated Screen in 2" thick filter frame

    Started by tcampb51, 09-25-2008 04:07 PM
    • Replies: 1
    • Views: 550
    09-25-2008, 07:46 PM Go to last post
  43. Trade Schools

    Started by CaptJackSparrow, 09-13-2008 07:29 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,507
    09-25-2008, 03:08 PM Go to last post
  44. megger uses

    Started by whitepoundog, 09-15-2008 07:03 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,456
    09-25-2008, 01:50 PM Go to last post
  45. HOW TIGHT IS TOO TIGHT???

    Started by hvac_two, 09-25-2008 09:10 AM
    • Replies: 3
    • Views: 573
    09-25-2008, 01:38 PM Go to last post
  46. DSS-chapter 17

    Started by Mikeylikesit, 09-24-2008 02:27 PM
    • Replies: 11
    • Views: 847
    09-25-2008, 01:28 PM Go to last post
  47. Gas Rotisserie Problem

    Started by hvac1982, 09-23-2008 07:51 PM
    • Replies: 4
    • Views: 684
    09-24-2008, 11:30 PM Go to last post
  48. Is it worth salvaging?

    Started by Guardrail, 09-24-2008 09:48 PM
    • Replies: 6
    • Views: 829
    09-24-2008, 10:12 PM Go to last post

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