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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: 9,103
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 7,935
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Confused evapco cooling tower 500ton

    Started by chillermafi, 04-24-2007 10:49 PM
    • Replies: 12
    • Views: 3,770
    10-11-2008, 10:44 PM Go to last post
  3. economizer low limit

    Started by Draper1, 10-07-2008 09:15 AM
    • Replies: 4
    • Views: 1,112
    10-11-2008, 11:00 AM Go to last post
  4. split system capacity vs outside temp

    Started by Draper1, 09-26-2008 03:04 PM
    • Replies: 12
    • Views: 1,275
    10-11-2008, 10:54 AM Go to last post
  5. R410a

    Started by cooljoesa, 10-10-2008 12:41 PM
    • Replies: 1
    • Views: 764
    10-10-2008, 04:33 PM Go to last post
  6. Lee-Temp

    Started by dogdidit, 09-18-2008 02:36 PM
    • Replies: 11
    • Views: 3,767
    10-10-2008, 10:53 AM Go to last post
  7. anybody seen weird pressures before

    Started by jayguy, 10-08-2008 06:27 PM
    • Replies: 12
    • Views: 1,480
    10-10-2008, 08:25 AM Go to last post
  8. Intellipak question

    Started by timebuilder, 09-29-2008 07:16 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,123
    10-10-2008, 06:50 AM Go to last post
  9. HEIL RTU

    Started by hvacab, 10-09-2008 05:35 PM
    • Replies: 1
    • Views: 958
    10-09-2008, 08:35 PM Go to last post
  10. Rooftop filters versus interior filters

    Started by pforst, 10-07-2008 07:35 PM
    • Replies: 7
    • Views: 1,418
    10-09-2008, 12:21 PM Go to last post
  11. Need opinions

    Started by ACNBK, 10-08-2008 04:54 PM
    • Replies: 4
    • Views: 782
    10-09-2008, 10:25 AM Go to last post
  12. Confused dx chiller unloading

    Started by supertek65, 10-06-2008 07:04 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,287
    10-09-2008, 08:30 AM Go to last post
    • Replies: 2
    • Views: 1,005
    10-08-2008, 11:26 PM Go to last post
  13. Carrier 50DD044

    Started by thump_rrr, 08-29-2008 07:34 AM
    • Replies: 5
    • Views: 1,245
    10-08-2008, 11:17 PM Go to last post
  14. Trane chiller Hx relocation?

    Started by refmet, 10-02-2008 08:43 PM
    • Replies: 8
    • Views: 1,569
    10-08-2008, 10:22 PM Go to last post
  15. Angry JCI

    Started by mikeacman, 09-17-2008 09:50 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 4,476
    10-08-2008, 08:13 PM Go to last post
  16. Confused cooling video lottery room

    Started by mercman, 10-07-2008 03:42 AM
    • Replies: 1
    • Views: 679
    10-08-2008, 12:02 AM Go to last post
  17. Dairy Queen Cake Freezer Erractic

    Started by carolinatech, 10-02-2008 10:16 PM
    • Replies: 3
    • Views: 828
    10-07-2008, 09:51 PM Go to last post
  18. redundancy in switchgear building

    Started by Draper1, 10-07-2008 04:04 PM
    • Replies: 1
    • Views: 730
    10-07-2008, 08:52 PM Go to last post
  19. r-11 leak

    Started by heavymetaldad, 08-30-2008 09:43 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,163
    10-07-2008, 05:26 PM Go to last post
  20. Intellipac

    Started by griz, 10-03-2008 11:54 PM
    • Replies: 12
    • Views: 1,430
    10-07-2008, 05:15 PM Go to last post
  21. Sheet thickness for air ducts

    Started by Croat, 10-05-2008 02:08 PM
    • Replies: 5
    • Views: 4,337
    10-07-2008, 02:02 PM Go to last post
  22. Buzzing noise from circuit breaker

    Started by sanmb1455, 09-24-2008 11:41 PM
    • Replies: 11
    • Views: 16,061
    10-06-2008, 11:27 PM Go to last post
  23. Turbocor issues

    Started by hvacr, 07-21-2008 08:24 PM
    • Replies: 4
    • Views: 1,068
    10-06-2008, 12:15 PM Go to last post
  24. York Milennium YSBBBBSO-CFC chillers

    Started by davo, 10-03-2008 03:38 PM
    • Replies: 6
    • Views: 1,050
    10-06-2008, 10:17 AM Go to last post
  25. carrier screw cliller

    Started by licensed to chill, 07-20-2005 03:58 PM
    • Replies: 11
    • Views: 1,811
    10-05-2008, 06:52 PM Go to last post
  26. hydronics experts I need advice

    Started by refmet, 10-04-2008 11:42 PM
    • Replies: 3
    • Views: 820
    10-05-2008, 11:22 AM Go to last post
  27. 5 ton budget rtu / packaged units?

    Started by halcali, 10-02-2008 01:32 PM
    • Replies: 3
    • Views: 1,661
    10-04-2008, 11:41 PM Go to last post
  28. Filtrine IOMs

    Started by nun, 10-04-2008 08:20 AM
    • Replies: 2
    • Views: 1,026
    10-04-2008, 11:38 PM Go to last post
  29. York printer pins

    Started by CHLR618, 10-03-2008 03:56 PM
    • Replies: 5
    • Views: 780
    10-04-2008, 08:56 PM Go to last post
  30. Most Efficent Duct Design For Tall Ceilings?

    Started by halcali, 10-03-2008 04:32 PM
    • Replies: 5
    • Views: 1,088
    10-04-2008, 04:39 PM Go to last post
  31. carrier 19xr chiller

    Started by pdmech, 10-01-2008 11:54 PM
    • Replies: 7
    • Views: 1,250
    10-03-2008, 07:50 PM Go to last post
  32. N30 expertise

    Started by elfie, 10-02-2008 08:58 PM
    • Replies: 4
    • Views: 835
    10-03-2008, 04:14 PM Go to last post
  33. york ys oil level switch

    Started by airjoe, 10-01-2008 09:22 PM
    • Replies: 3
    • Views: 865
    10-03-2008, 03:18 PM Go to last post
  34. Thermodynamic calculations for a server room

    Started by letsbangout, 10-01-2008 10:08 PM
    • Replies: 9
    • Views: 1,997
    10-03-2008, 11:04 AM Go to last post
  35. modulating mixing valve wiring

    Started by kb1clx, 09-28-2008 09:37 PM
    • Replies: 4
    • Views: 2,011
    10-02-2008, 10:57 PM Go to last post
    • Replies: 8
    • Views: 938
    10-02-2008, 10:13 PM Go to last post
  36. Trane Manual

    Started by sdeery, 10-01-2008 10:24 PM
    • Replies: 3
    • Views: 963
    10-02-2008, 10:08 PM Go to last post
  37. question about system vac

    Started by bribone, 10-01-2008 11:16 PM
    • Replies: 3
    • Views: 797
    10-02-2008, 10:00 PM Go to last post
  38. copper plating on compressor valves

    Started by ispip, 09-26-2008 06:58 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,326
    10-02-2008, 06:20 PM Go to last post
  39. glycol sample turns brown

    Started by sraburne, 10-01-2008 11:09 PM
    • Replies: 3
    • Views: 848
    10-02-2008, 06:12 PM Go to last post
  40. condensate traps

    Started by bribone, 10-01-2008 11:10 PM
    • Replies: 1
    • Views: 843
    10-02-2008, 07:45 AM Go to last post
  41. Please Help Confirm Cooling Requirements

    Started by CoolinSD, 09-12-2008 04:42 PM
    • Replies: 6
    • Views: 1,083
    10-01-2008, 09:28 PM Go to last post
  42. Commercial/Industrial

    Started by gasnowman, 09-24-2008 11:06 PM
    • Replies: 3
    • Views: 1,173
    10-01-2008, 09:23 PM Go to last post
  43. DUNHAM BUSH PARTS

    Started by bowhunter21, 10-01-2008 09:04 AM
    • Replies: 3
    • Views: 2,042
    10-01-2008, 08:05 PM Go to last post
  44. Trouble with a Dunham Bush Compressor

    Started by bowhunter21, 09-26-2008 10:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,579
    10-01-2008, 07:54 PM Go to last post
  45. 300 microns?

    Started by majortom, 09-25-2008 02:33 PM
    • Replies: 12
    • Views: 2,470
    10-01-2008, 07:36 PM Go to last post
  46. Oil in the CHW system

    Started by temco, 10-01-2008 02:09 PM
    • Replies: 4
    • Views: 712
    10-01-2008, 05:11 PM Go to last post
  47. Walking Shaft

    Started by big johnson, 09-30-2008 01:32 PM
    • Replies: 4
    • Views: 930
    10-01-2008, 04:01 PM Go to last post
  48. Lightbulb Trane vs York

    Started by hotNcold59, 09-29-2008 10:55 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,596
    10-01-2008, 03:26 PM Go to last post
  49. mcquay rps machine guning

    Started by al o, 09-30-2008 10:27 PM
    • Replies: 0
    • Views: 640
    09-30-2008, 10:27 PM Go to last post

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