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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: 10,429
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 9,063
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. PTHP/PTAC Condensate Drains

    Started by Ancoma Tom, 08-31-2009 09:33 PM
    • Replies: 2
    • Views: 2,011
    09-02-2009, 10:15 AM Go to last post
  3. Question OEMs-Sensors, actuators, etc.

    Started by msharma, 09-02-2009 06:57 AM
    • Replies: 0
    • Views: 514
    09-02-2009, 06:57 AM Go to last post
  4. 4 ton carrier unit

    Started by houtonjr, 08-13-2009 12:49 AM
    • Replies: 10
    • Views: 2,603
    09-02-2009, 01:26 AM Go to last post
  5. Exhaust fan / transfer grills

    Started by storm0979, 09-01-2009 11:13 AM
    • Replies: 4
    • Views: 1,129
    09-01-2009, 11:32 PM Go to last post
  6. Confused YORK Scew Compressors YCASO250-330

    Started by JKD, 08-27-2009 08:20 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,166
    09-01-2009, 07:35 PM Go to last post
  7. Cold Weather Server Room Cooling

    Started by jpreed00, 08-12-2009 11:26 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,439
    09-01-2009, 11:17 AM Go to last post
  8. What am I missing on this GasPak

    Started by geno54, 08-22-2009 08:17 AM
    • Replies: 7
    • Views: 967
    09-01-2009, 05:42 AM Go to last post
  9. Pumps and VFDS and BEPS and stuff

    Started by corny, 08-29-2009 10:19 PM
    • Replies: 5
    • Views: 784
    09-01-2009, 12:43 AM Go to last post
  10. What's the calculation

    Started by Hitch123, 08-29-2009 11:49 AM
    • Replies: 5
    • Views: 789
    08-31-2009, 06:34 PM Go to last post
  11. city multi question

    Started by nagarzi, 08-07-2009 03:02 AM
    • Replies: 5
    • Views: 1,390
    08-31-2009, 04:54 PM Go to last post
  12. Carrier RTU Slow Timeclock?

    Started by retube, 08-30-2009 10:32 AM
    • Replies: 6
    • Views: 730
    08-31-2009, 04:25 PM Go to last post
  13. jobs in Belgium or Germany?

    Started by HvAckid82, 08-30-2009 03:42 PM
    • Replies: 7
    • Views: 2,674
    08-31-2009, 02:18 PM Go to last post
  14. Mini Mate hot gas solenoid.

    Started by Randy S., 08-30-2009 08:00 PM
    • Replies: 4
    • Views: 973
    08-30-2009, 10:39 PM Go to last post
  15. MCQUAY AGS170 SCREW CHILLER

    Started by hvac697, 08-26-2009 10:34 AM
    • Replies: 5
    • Views: 1,296
    08-30-2009, 09:07 PM Go to last post
  16. Leibert Refrigerant Charge

    Started by indoorcomfrtsl, 08-27-2009 11:27 PM
    • Replies: 8
    • Views: 1,866
    08-30-2009, 07:55 PM Go to last post
  17. Question carrier 19DR tear down manual?

    Started by fixerup, 08-29-2009 09:25 PM
    • Replies: 2
    • Views: 1,539
    08-30-2009, 02:13 PM Go to last post
  18. Grease in oil Bath bearings

    Started by snipe70e, 08-29-2009 10:04 AM
    • Replies: 5
    • Views: 1,434
    08-30-2009, 12:04 PM Go to last post
    • Replies: 4
    • Views: 1,046
    08-30-2009, 10:24 AM Go to last post
  19. Evacuation on chiller/Vac drops with pump off

    Started by harley91, 08-27-2009 06:14 AM
    • Replies: 7
    • Views: 2,045
    08-29-2009, 09:03 PM Go to last post
    • Replies: 8
    • Views: 2,208
    08-29-2009, 07:23 PM Go to last post
  20. york screw machine

    Started by richper, 08-22-2009 11:18 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,776
    08-29-2009, 05:58 PM Go to last post
  21. tired old York unit not keeping up

    Started by little john, 08-21-2009 07:27 PM
    • Replies: 10
    • Views: 1,109
    08-29-2009, 11:50 AM Go to last post
  22. Dehumidifier Performance Check

    Started by madhat, 08-28-2009 10:34 AM
    • Replies: 3
    • Views: 571
    08-28-2009, 06:30 PM Go to last post
  23. Confused Connect new grease duct to existing one?

    Started by Berny, 08-27-2009 05:48 PM
    • Replies: 2
    • Views: 762
    08-28-2009, 11:17 AM Go to last post
  24. Confused York YCAV IGBT failure

    Started by CHLR618, 08-25-2009 08:57 PM
    • Replies: 1
    • Views: 1,974
    08-28-2009, 09:47 AM Go to last post
  25. Help with Lennox model number GCS16-13-270-7Y

    Started by Hackster, 08-26-2009 11:04 AM
    • Replies: 2
    • Views: 3,220
    08-28-2009, 08:51 AM Go to last post
  26. potential oil issue

    Started by square air, 08-26-2009 11:53 PM
    • Replies: 1
    • Views: 544
    08-27-2009, 11:46 PM Go to last post
  27. York Scew Compressors

    Started by JKD, 08-27-2009 06:07 PM
    • Replies: 3
    • Views: 767
    08-27-2009, 10:16 PM Go to last post
  28. York YCAG

    Started by grendil, 08-27-2009 09:41 PM
    • Replies: 0
    • Views: 1,154
    08-27-2009, 09:41 PM Go to last post
  29. 410 POE question

    Started by PJ's cool-aid, 04-22-2009 09:09 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,188
    08-27-2009, 08:43 AM Go to last post
  30. Equipment warranties

    Started by phoenixfitter, 08-24-2009 10:26 PM
    • Replies: 7
    • Views: 959
    08-27-2009, 02:47 AM Go to last post
  31. Ycas troubleshooting

    Started by Arizonacooltech, 08-27-2009 12:21 AM
    • Replies: 0
    • Views: 548
    08-27-2009, 12:21 AM Go to last post
  32. Extreme Ductwork Needed

    Started by madhat, 08-26-2009 05:36 PM
    • Replies: 0
    • Views: 746
    08-26-2009, 05:36 PM Go to last post
  33. semi hermetic carrier - liquid flood back

    Started by rnorling, 08-22-2009 02:20 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,734
    08-26-2009, 05:29 PM Go to last post
  34. Does this make sense?

    Started by Berggy, 08-19-2009 11:53 AM
    • Replies: 4
    • Views: 809
    08-25-2009, 09:12 PM Go to last post
  35. Buensod 6LDD 23 Dual Duct Mixing Box

    Started by PaulDiglio, 08-25-2009 03:46 PM
    • Replies: 0
    • Views: 1,585
    08-25-2009, 03:46 PM Go to last post
  36. Liebert High Head Pressure lockout

    Started by 1tonn, 08-20-2009 09:40 PM
    • Replies: 7
    • Views: 16,402
    08-25-2009, 12:32 PM Go to last post
  37. Lighting heat gains for retails areas

    Started by Artem Zhukov, 08-25-2009 04:12 AM
    • Replies: 1
    • Views: 490
    08-25-2009, 06:41 AM Go to last post
  38. mitsubishi mini split

    Started by Jollyone4, 08-20-2009 10:15 PM
    • Replies: 12
    • Views: 1,850
    08-24-2009, 09:10 PM Go to last post
  39. Confused Arcoaire identification help

    Started by RTU GOD, 08-21-2009 12:04 PM
    • Replies: 3
    • Views: 1,152
    08-24-2009, 08:29 PM Go to last post
  40. honeywell 7800

    Started by fitzyfitta, 02-01-2007 08:30 PM
    • Replies: 5
    • Views: 2,487
    08-24-2009, 03:49 PM Go to last post
  41. Beware, "off" doesn't always mean "off"

    Started by air2spare, 08-17-2009 09:38 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,099
    08-23-2009, 11:28 PM Go to last post
  42. Hmm chill water AHU, not cooling properly

    Started by joeywpittman, 08-18-2009 08:12 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 5,821
    08-23-2009, 08:32 PM Go to last post
  43. 25 ton semi hermetic compressor carrier

    Started by bricktop1, 08-22-2009 02:54 AM
    • Replies: 3
    • Views: 3,556
    08-23-2009, 08:29 AM Go to last post
  44. Carrier 30gt-060-510ka

    Started by t2, 04-24-2009 07:03 PM
    • Replies: 4
    • Views: 2,405
    08-23-2009, 12:10 AM Go to last post
  45. Gordon-Piatt

    Started by heavymetaldad, 05-21-2009 08:01 PM
    • Replies: 5
    • Views: 1,725
    08-22-2009, 09:39 PM Go to last post
  46. Waste water cooled condenser?

    Started by wika_boy, 08-21-2009 12:27 AM
    • Replies: 6
    • Views: 770
    08-22-2009, 11:02 AM Go to last post
  47. High oil temps on RTAC

    Started by ChillerWisperer, 07-13-2009 04:36 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,824
    08-22-2009, 10:12 AM Go to last post
  48. CAREL of DIXELL

    Started by kaka, 08-21-2009 05:27 AM
    • Replies: 3
    • Views: 1,468
    08-22-2009, 02:13 AM Go to last post
  49. R-22 replacements.

    Started by Randy S., 08-19-2009 09:32 PM
    • Replies: 11
    • Views: 1,197
    08-21-2009, 11:56 PM Go to last post

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