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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 08:41 PM
    • Replies: 0
    • Views: 4,758
    10-31-2011, 08:41 PM Go to last post
    • Replies: 0
    • Views: 3,982
    10-31-2011, 08:37 PM Go to last post
  1. Normal Thread Normal Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Dairy Queen Cake Freezer Erractic

    Started by carolinatech, 10-02-2008 11:16 PM
    • Replies: 3
    • Views: 701
    10-07-2008, 10:51 PM Go to last post
  3. redundancy in switchgear building

    Started by Draper1, 10-07-2008 05:04 PM
    • Replies: 1
    • Views: 611
    10-07-2008, 09:52 PM Go to last post
  4. r-11 leak

    Started by heavymetaldad, 08-30-2008 10:43 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,728
    10-07-2008, 06:26 PM Go to last post
  5. Intellipac

    Started by griz, 10-04-2008 12:54 AM
    • Replies: 12
    • Views: 1,168
    10-07-2008, 06:15 PM Go to last post
  6. Sheet thickness for air ducts

    Started by Croat, 10-05-2008 03:08 PM
    • Replies: 5
    • Views: 3,578
    10-07-2008, 03:02 PM Go to last post
  7. Buzzing noise from circuit breaker

    Started by sanmb1455, 09-25-2008 12:41 AM
    • Replies: 11
    • Views: 12,798
    10-07-2008, 12:27 AM Go to last post
  8. Turbocor issues

    Started by hvacr, 07-21-2008 09:24 PM
    • Replies: 4
    • Views: 864
    10-06-2008, 01:15 PM Go to last post
  9. York Milennium YSBBBBSO-CFC chillers

    Started by davo, 10-03-2008 04:38 PM
    • Replies: 6
    • Views: 873
    10-06-2008, 11:17 AM Go to last post
  10. carrier screw cliller

    Started by licensed to chill, 07-20-2005 04:58 PM
    • Replies: 11
    • Views: 1,576
    10-05-2008, 07:52 PM Go to last post
  11. hydronics experts I need advice

    Started by refmet, 10-05-2008 12:42 AM
    • Replies: 3
    • Views: 685
    10-05-2008, 12:22 PM Go to last post
  12. 5 ton budget rtu / packaged units?

    Started by halcali, 10-02-2008 02:32 PM
    • Replies: 3
    • Views: 1,300
    10-05-2008, 12:41 AM Go to last post
  13. Filtrine IOMs

    Started by nun, 10-04-2008 09:20 AM
    • Replies: 2
    • Views: 860
    10-05-2008, 12:38 AM Go to last post
  14. York printer pins

    Started by CHLR618, 10-03-2008 04:56 PM
    • Replies: 5
    • Views: 599
    10-04-2008, 09:56 PM Go to last post
  15. Most Efficent Duct Design For Tall Ceilings?

    Started by halcali, 10-03-2008 05:32 PM
    • Replies: 5
    • Views: 825
    10-04-2008, 05:39 PM Go to last post
  16. carrier 19xr chiller

    Started by pdmech, 10-02-2008 12:54 AM
    • Replies: 7
    • Views: 1,031
    10-03-2008, 08:50 PM Go to last post
  17. N30 expertise

    Started by elfie, 10-02-2008 09:58 PM
    • Replies: 4
    • Views: 638
    10-03-2008, 05:14 PM Go to last post
  18. york ys oil level switch

    Started by airjoe, 10-01-2008 10:22 PM
    • Replies: 3
    • Views: 691
    10-03-2008, 04:18 PM Go to last post
  19. Thermodynamic calculations for a server room

    Started by letsbangout, 10-01-2008 11:08 PM
    • Replies: 9
    • Views: 1,565
    10-03-2008, 12:04 PM Go to last post
  20. modulating mixing valve wiring

    Started by kb1clx, 09-28-2008 10:37 PM
    • Replies: 4
    • Views: 1,540
    10-02-2008, 11:57 PM Go to last post
    • Replies: 8
    • Views: 755
    10-02-2008, 11:13 PM Go to last post
  21. Trane Manual

    Started by sdeery, 10-01-2008 11:24 PM
    • Replies: 3
    • Views: 822
    10-02-2008, 11:08 PM Go to last post
  22. question about system vac

    Started by bribone, 10-02-2008 12:16 AM
    • Replies: 3
    • Views: 685
    10-02-2008, 11:00 PM Go to last post
  23. copper plating on compressor valves

    Started by ispip, 09-26-2008 07:58 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,214
    10-02-2008, 07:20 PM Go to last post
  24. glycol sample turns brown

    Started by sraburne, 10-02-2008 12:09 AM
    • Replies: 3
    • Views: 712
    10-02-2008, 07:12 PM Go to last post
  25. condensate traps

    Started by bribone, 10-02-2008 12:10 AM
    • Replies: 1
    • Views: 726
    10-02-2008, 08:45 AM Go to last post
  26. Please Help Confirm Cooling Requirements

    Started by CoolinSD, 09-12-2008 05:42 PM
    • Replies: 6
    • Views: 898
    10-01-2008, 10:28 PM Go to last post
  27. Commercial/Industrial

    Started by gasnowman, 09-25-2008 12:06 AM
    • Replies: 3
    • Views: 846
    10-01-2008, 10:23 PM Go to last post
  28. DUNHAM BUSH PARTS

    Started by bowhunter21, 10-01-2008 10:04 AM
    • Replies: 3
    • Views: 1,756
    10-01-2008, 09:05 PM Go to last post
  29. Trouble with a Dunham Bush Compressor

    Started by bowhunter21, 09-26-2008 11:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,129
    10-01-2008, 08:54 PM Go to last post
  30. 300 microns?

    Started by majortom, 09-25-2008 03:33 PM
    • Replies: 12
    • Views: 1,870
    10-01-2008, 08:36 PM Go to last post
  31. Oil in the CHW system

    Started by temco, 10-01-2008 03:09 PM
    • Replies: 4
    • Views: 550
    10-01-2008, 06:11 PM Go to last post
  32. Walking Shaft

    Started by big johnson, 09-30-2008 02:32 PM
    • Replies: 4
    • Views: 755
    10-01-2008, 05:01 PM Go to last post
  33. Lightbulb Trane vs York

    Started by hotNcold59, 09-29-2008 11:55 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,389
    10-01-2008, 04:26 PM Go to last post
  34. mcquay rps machine guning

    Started by al o, 09-30-2008 11:27 PM
    • Replies: 0
    • Views: 525
    09-30-2008, 11:27 PM Go to last post
    • Replies: 8
    • Views: 1,757
    09-30-2008, 11:13 PM Go to last post
  35. searching for N30 expertise in NJ

    Started by elfie, 09-30-2008 04:25 PM
    • Replies: 1
    • Views: 572
    09-30-2008, 07:44 PM Go to last post
  36. Refrigeration / Air Conditioning Cycle

    Started by SlowLearner, 09-25-2008 12:20 PM
    • Replies: 8
    • Views: 1,596
    09-30-2008, 07:20 PM Go to last post
  37. Copeland scroll oil level 60 ton

    Started by allstar08, 09-28-2008 04:14 PM
    • Replies: 5
    • Views: 1,015
    09-30-2008, 06:22 PM Go to last post
  38. Thumbs up email a/c

    Started by cool_tech, 09-24-2008 06:57 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,601
    09-30-2008, 11:21 AM Go to last post
  39. Unhappy York YRVBVBT3-46C 400 Bearing Problems

    Started by ACCMan, 09-11-2007 04:58 PM
    • Replies: 9
    • Views: 1,773
    09-30-2008, 11:04 AM Go to last post
  40. wiel mclain boiler

    Started by oldtimer2, 09-29-2008 08:02 PM
    • Replies: 0
    • Views: 559
    09-29-2008, 08:02 PM Go to last post
  41. Lowering the discharge pressure

    Started by 242447, 09-27-2008 02:34 AM
    • Replies: 8
    • Views: 1,224
    09-29-2008, 06:55 PM Go to last post
  42. Setting expansion tanks

    Started by Salmonone, 09-25-2008 12:18 PM
    • Replies: 7
    • Views: 1,121
    09-28-2008, 10:37 PM Go to last post
  43. TXV

    Started by dogdidit, 09-26-2008 09:08 PM
    • Replies: 6
    • Views: 1,101
    09-28-2008, 08:56 PM Go to last post
  44. R-421?

    Started by Grawburg, 09-27-2008 09:10 PM
    • Replies: 4
    • Views: 1,177
    09-28-2008, 01:29 PM Go to last post
  45. Confused York ISN Recip Pak Control

    Started by chill bill, 09-24-2008 09:09 AM
    • Replies: 2
    • Views: 1,099
    09-28-2008, 10:49 AM Go to last post
  46. Steel compatibility with Freon 23

    Started by excal, 09-28-2008 05:45 AM
    • Replies: 0
    • Views: 427
    09-28-2008, 05:45 AM Go to last post
  47. Am I crazy or is this the weirdest leak ever...

    Started by quonix, 09-25-2008 05:24 PM
    • Replies: 7
    • Views: 1,273
    09-28-2008, 12:34 AM Go to last post
  48. York air handlers

    Started by joken, 09-24-2008 03:35 PM
    • Replies: 4
    • Views: 895
    09-28-2008, 12:33 AM Go to last post
  49. My favorite service call

    Started by 537refergirl, 09-26-2008 07:37 AM
    • Replies: 4
    • Views: 961
    09-26-2008, 11:12 PM Go to last post

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