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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: 4,185
    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: 3,489
    10-31-2011, 07:37 PM Go to last post
  1. Turbocor issues

    Started by hvacr, 07-21-2008 08:24 PM
    • Replies: 4
    • Views: 824
    10-06-2008, 12:15 PM Go to last post
  2. York Milennium YSBBBBSO-CFC chillers

    Started by davo, 10-03-2008 03:38 PM
    • Replies: 6
    • Views: 817
    10-06-2008, 10:17 AM Go to last post
  3. carrier screw cliller

    Started by licensed to chill, 07-20-2005 03:58 PM
    • Replies: 11
    • Views: 1,463
    10-05-2008, 06:52 PM Go to last post
  4. hydronics experts I need advice

    Started by refmet, 10-04-2008 11:42 PM
    • Replies: 3
    • Views: 641
    10-05-2008, 11:22 AM Go to last post
  5. 5 ton budget rtu / packaged units?

    Started by halcali, 10-02-2008 01:32 PM
    • Replies: 3
    • Views: 1,168
    10-04-2008, 11:41 PM Go to last post
  6. Filtrine IOMs

    Started by nun, 10-04-2008 08:20 AM
    • Replies: 2
    • Views: 782
    10-04-2008, 11:38 PM Go to last post
  7. York printer pins

    Started by CHLR618, 10-03-2008 03:56 PM
    • Replies: 5
    • Views: 534
    10-04-2008, 08:56 PM Go to last post
  8. Most Efficent Duct Design For Tall Ceilings?

    Started by halcali, 10-03-2008 04:32 PM
    • Replies: 5
    • Views: 723
    10-04-2008, 04:39 PM Go to last post
  9. carrier 19xr chiller

    Started by pdmech, 10-01-2008 11:54 PM
    • Replies: 7
    • Views: 946
    10-03-2008, 07:50 PM Go to last post
  10. N30 expertise

    Started by elfie, 10-02-2008 08:58 PM
    • Replies: 4
    • Views: 585
    10-03-2008, 04:14 PM Go to last post
  11. york ys oil level switch

    Started by airjoe, 10-01-2008 09:22 PM
    • Replies: 3
    • Views: 633
    10-03-2008, 03:18 PM Go to last post
  12. Thermodynamic calculations for a server room

    Started by letsbangout, 10-01-2008 10:08 PM
    • Replies: 9
    • Views: 1,351
    10-03-2008, 11:04 AM Go to last post
  13. modulating mixing valve wiring

    Started by kb1clx, 09-28-2008 09:37 PM
    • Replies: 4
    • Views: 1,378
    10-02-2008, 10:57 PM Go to last post
    • Replies: 8
    • Views: 698
    10-02-2008, 10:13 PM Go to last post
  14. Trane Manual

    Started by sdeery, 10-01-2008 10:24 PM
    • Replies: 3
    • Views: 777
    10-02-2008, 10:08 PM Go to last post
  15. question about system vac

    Started by bribone, 10-01-2008 11:16 PM
    • Replies: 3
    • Views: 630
    10-02-2008, 10:00 PM Go to last post
  16. copper plating on compressor valves

    Started by ispip, 09-26-2008 06:58 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,902
    10-02-2008, 06:20 PM Go to last post
  17. glycol sample turns brown

    Started by sraburne, 10-01-2008 11:09 PM
    • Replies: 3
    • Views: 670
    10-02-2008, 06:12 PM Go to last post
  18. condensate traps

    Started by bribone, 10-01-2008 11:10 PM
    • Replies: 1
    • Views: 670
    10-02-2008, 07:45 AM Go to last post
  19. Please Help Confirm Cooling Requirements

    Started by CoolinSD, 09-12-2008 04:42 PM
    • Replies: 6
    • Views: 827
    10-01-2008, 09:28 PM Go to last post
  20. Commercial/Industrial

    Started by gasnowman, 09-24-2008 11:06 PM
    • Replies: 3
    • Views: 707
    10-01-2008, 09:23 PM Go to last post
  21. DUNHAM BUSH PARTS

    Started by bowhunter21, 10-01-2008 09:04 AM
    • Replies: 3
    • Views: 1,635
    10-01-2008, 08:05 PM Go to last post
  22. Trouble with a Dunham Bush Compressor

    Started by bowhunter21, 09-26-2008 10:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,932
    10-01-2008, 07:54 PM Go to last post
  23. 300 microns?

    Started by majortom, 09-25-2008 02:33 PM
    • Replies: 12
    • Views: 1,669
    10-01-2008, 07:36 PM Go to last post
  24. Oil in the CHW system

    Started by temco, 10-01-2008 02:09 PM
    • Replies: 4
    • Views: 496
    10-01-2008, 05:11 PM Go to last post
  25. Walking Shaft

    Started by big johnson, 09-30-2008 01:32 PM
    • Replies: 4
    • Views: 668
    10-01-2008, 04:01 PM Go to last post
  26. Lightbulb Trane vs York

    Started by hotNcold59, 09-29-2008 10:55 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,014
    10-01-2008, 03:26 PM Go to last post
  27. mcquay rps machine guning

    Started by al o, 09-30-2008 10:27 PM
    • Replies: 0
    • Views: 480
    09-30-2008, 10:27 PM Go to last post
    • Replies: 8
    • Views: 1,597
    09-30-2008, 10:13 PM Go to last post
  28. searching for N30 expertise in NJ

    Started by elfie, 09-30-2008 03:25 PM
    • Replies: 1
    • Views: 525
    09-30-2008, 06:44 PM Go to last post
  29. Refrigeration / Air Conditioning Cycle

    Started by SlowLearner, 09-25-2008 11:20 AM
    • Replies: 8
    • Views: 1,441
    09-30-2008, 06:20 PM Go to last post
  30. Copeland scroll oil level 60 ton

    Started by allstar08, 09-28-2008 03:14 PM
    • Replies: 5
    • Views: 936
    09-30-2008, 05:22 PM Go to last post
  31. Thumbs up email a/c

    Started by cool_tech, 09-24-2008 05:57 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,212
    09-30-2008, 10:21 AM Go to last post
  32. Unhappy York YRVBVBT3-46C 400 Bearing Problems

    Started by ACCMan, 09-11-2007 03:58 PM
    • Replies: 9
    • Views: 1,684
    09-30-2008, 10:04 AM Go to last post
  33. wiel mclain boiler

    Started by oldtimer2, 09-29-2008 07:02 PM
    • Replies: 0
    • Views: 528
    09-29-2008, 07:02 PM Go to last post
  34. Lowering the discharge pressure

    Started by 242447, 09-27-2008 01:34 AM
    • Replies: 8
    • Views: 1,132
    09-29-2008, 05:55 PM Go to last post
  35. Setting expansion tanks

    Started by Salmonone, 09-25-2008 11:18 AM
    • Replies: 7
    • Views: 1,041
    09-28-2008, 09:37 PM Go to last post
  36. TXV

    Started by dogdidit, 09-26-2008 08:08 PM
    • Replies: 6
    • Views: 1,004
    09-28-2008, 07:56 PM Go to last post
  37. R-421?

    Started by Grawburg, 09-27-2008 08:10 PM
    • Replies: 4
    • Views: 1,087
    09-28-2008, 12:29 PM Go to last post
  38. Confused York ISN Recip Pak Control

    Started by chill bill, 09-24-2008 08:09 AM
    • Replies: 2
    • Views: 1,039
    09-28-2008, 09:49 AM Go to last post
  39. Steel compatibility with Freon 23

    Started by excal, 09-28-2008 04:45 AM
    • Replies: 0
    • Views: 391
    09-28-2008, 04:45 AM Go to last post
  40. Am I crazy or is this the weirdest leak ever...

    Started by quonix, 09-25-2008 04:24 PM
    • Replies: 7
    • Views: 1,159
    09-27-2008, 11:34 PM Go to last post
  41. York air handlers

    Started by joken, 09-24-2008 02:35 PM
    • Replies: 4
    • Views: 811
    09-27-2008, 11:33 PM Go to last post
  42. My favorite service call

    Started by 537refergirl, 09-26-2008 06:37 AM
    • Replies: 4
    • Views: 902
    09-26-2008, 10:12 PM Go to last post
  43. threads on oil drain

    Started by dogdidit, 09-23-2008 08:05 PM
    • Replies: 10
    • Views: 778
    09-26-2008, 07:57 PM Go to last post
  44. Minimums for 19XR Chiller

    Started by Shophound, 09-25-2008 02:04 PM
    • Replies: 4
    • Views: 613
    09-26-2008, 05:02 PM Go to last post
  45. Interpreting model numbers

    Started by Grawburg, 09-25-2008 08:56 PM
    • Replies: 4
    • Views: 961
    09-26-2008, 07:34 AM Go to last post
  46. CVHE Economizer flanges.

    Started by CaptJackSparrow, 09-13-2008 08:07 AM
    • Replies: 8
    • Views: 1,375
    09-25-2008, 09:09 PM Go to last post
  47. Pleated Screen in 2" thick filter frame

    Started by tcampb51, 09-25-2008 04:07 PM
    • Replies: 1
    • Views: 557
    09-25-2008, 07:46 PM Go to last post
  48. Trade Schools

    Started by CaptJackSparrow, 09-13-2008 07:29 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,515
    09-25-2008, 03:08 PM Go to last post

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