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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: 9,457
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,257
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Multi Stack carel controller

    Started by Lobstergolf, 07-23-2013 08:29 AM
    • Replies: 0
    • Views: 885
    07-23-2013, 08:29 AM Go to last post
  3. custom made heating/ac units in Ny high rise building

    Started by Alexiabi, 07-14-2013 09:08 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,635
    07-22-2013, 07:34 AM Go to last post
  4. carrier 48ekd054

    Started by highhead666, 07-21-2013 03:19 PM
    • Replies: 1
    • Views: 700
    07-21-2013, 09:14 PM Go to last post
  5. appealing to the wise: data aire split unit issue

    Started by Cal84, 07-14-2013 01:18 AM
    • Replies: 2
    • Views: 771
    07-21-2013, 08:13 AM Go to last post
  6. Having a 8.5 ton unit installed and have some ?'s

    Started by eroc, 07-17-2013 11:50 AM
    • Replies: 7
    • Views: 1,249
    07-19-2013, 09:50 PM Go to last post
  7. Sabroe issue

    Started by BeautyBay, 07-19-2013 08:32 AM
    • Replies: 2
    • Views: 897
    07-19-2013, 09:31 AM Go to last post
  8. Sect. 608 Compliance

    Started by greg r, 04-09-2013 10:53 AM
    • Replies: 3
    • Views: 1,184
    07-15-2013, 10:08 AM Go to last post
  9. Chillers running at low load at night

    Started by hafiz88a, 07-13-2013 02:36 AM
    • Replies: 5
    • Views: 1,221
    07-13-2013, 10:30 PM Go to last post
    • Replies: 3
    • Views: 5,553
    07-13-2013, 09:20 AM Go to last post
  10. Humidity Issues

    Started by Tech13, 07-03-2013 07:34 PM
    • Replies: 8
    • Views: 1,682
    07-12-2013, 10:55 PM Go to last post
    • Replies: 2
    • Views: 1,069
    07-12-2013, 03:02 PM Go to last post
  11. Trouble shooting a pizza lowboy

    Started by chefg1124, 07-03-2013 10:36 AM
    • Replies: 10
    • Views: 1,980
    07-11-2013, 10:37 PM Go to last post
  12. Has anyone heard of Octagon?

    Started by Henson31, 11-10-2011 07:04 PM
    • Replies: 4
    • Views: 3,176
    07-11-2013, 07:50 PM Go to last post
  13. RTAC Condenser cleaning

    Started by criticool, 07-02-2013 12:00 PM
    • Replies: 8
    • Views: 1,776
    07-11-2013, 07:47 PM Go to last post
  14. Sanyo split unit 24KS72 no air light flashing

    Started by simmer33, 06-03-2013 02:58 PM
    • Replies: 2
    • Views: 995
    07-11-2013, 06:09 AM Go to last post
  15. R22 or replacement

    Started by jcash, 05-31-2013 08:36 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,886
    07-11-2013, 12:02 AM Go to last post
    • Replies: 2
    • Views: 1,639
    07-10-2013, 11:59 PM Go to last post
  16. carrier chiller

    Started by Robert George, 07-10-2013 08:00 AM
    • Replies: 0
    • Views: 683
    07-10-2013, 08:00 AM Go to last post
  17. A Question on Reversing Valves and Compressors.

    Started by LVL, 07-07-2013 05:29 PM
    compressors
    • Replies: 7
    • Views: 1,092
    07-09-2013, 11:23 PM Go to last post
  18. Humidity issue in surgical units

    Started by Usafwhite, 06-15-2013 01:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,543
    07-08-2013, 11:28 PM Go to last post
  19. VAV system with cfm flow charge out

    Started by surajhee, 07-04-2013 02:02 PM
    • Replies: 4
    • Views: 1,386
    07-08-2013, 05:49 AM Go to last post
  20. Siemens PXC24 Compact + HMI + DB9. Not working.

    Started by Syenergy, 07-08-2013 12:24 AM
    • Replies: 0
    • Views: 629
    07-08-2013, 12:24 AM Go to last post
    • Replies: 3
    • Views: 1,134
    07-07-2013, 10:02 AM Go to last post
  21. carrier modu-drive retrofit

    Started by hlarry9460, 07-02-2013 08:50 PM
    • Replies: 0
    • Views: 774
    07-02-2013, 08:50 PM Go to last post
    • Replies: 0
    • Views: 639
    07-02-2013, 11:33 AM Go to last post
  22. Automotive refrigerant recovery machine

    Started by Dalton92, 07-01-2013 02:08 PM
    • Replies: 1
    • Views: 775
    07-01-2013, 02:39 PM Go to last post
  23. Is this return too close to the supplies?

    Started by jonblack, 06-30-2013 06:10 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,125
    07-01-2013, 12:55 PM Go to last post
  24. please help me identify comm. AC unit

    Started by gloverds1, 06-29-2013 11:04 PM
    • Replies: 2
    • Views: 1,243
    07-01-2013, 05:22 AM Go to last post
  25. Mushroom Farm Help!

    Started by Mushroom Man, 06-26-2013 11:32 PM
    • Replies: 2
    • Views: 1,211
    06-30-2013, 06:30 AM Go to last post
  26. Trane Compressor Leak...Is it fixable?

    Started by Driverfound, 05-08-2013 10:18 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,598
    06-29-2013, 11:11 AM Go to last post
  27. chiller flow switch

    Started by hvac17011, 06-24-2011 08:09 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 10,692
    06-27-2013, 09:55 PM Go to last post
  28. Smile Turbocor Problems

    Started by turbo geek, 10-21-2006 09:38 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 20,620
    06-26-2013, 05:15 PM Go to last post
    • Replies: 3
    • Views: 1,124
    06-26-2013, 11:41 AM Go to last post
    • Replies: 6
    • Views: 2,688
    06-26-2013, 10:42 AM Go to last post
    • Replies: 7
    • Views: 1,829
    06-24-2013, 09:09 PM Go to last post
  29. Carrier Roof Top 48HJE004---331 Blower Motor

    Started by bsevans, 06-19-2013 08:24 PM
    • Replies: 0
    • Views: 1,132
    06-19-2013, 08:24 PM Go to last post
  30. Eng-a having issues changing heat to cooling

    Started by billyp7999, 06-17-2013 11:07 AM
    • Replies: 2
    • Views: 759
    06-17-2013, 08:25 PM Go to last post
  31. Corner gas fireplace

    Started by DrKelly, 06-13-2013 11:20 AM
    • Replies: 1
    • Views: 927
    06-13-2013, 11:28 PM Go to last post
    • Replies: 4
    • Views: 1,089
    06-13-2013, 01:09 AM Go to last post
  32. Chiller Secondary Loop VFD Control

    Started by smakdown61, 05-21-2013 09:25 AM
    • Replies: 6
    • Views: 1,675
    06-10-2013, 05:22 PM Go to last post
  33. Air Filter and V-Belt Specifications

    Started by pablok, 06-04-2013 08:18 PM
    • Replies: 2
    • Views: 1,046
    06-10-2013, 01:50 PM Go to last post
  34. Johnson DX9100 Points

    Started by cleancondenser, 10-26-2004 08:35 PM
    • Replies: 10
    • Views: 3,577
    06-06-2013, 05:13 PM Go to last post
  35. Air Handler Motor Chilled Water System

    Started by Pat512, 05-31-2013 07:45 PM
    • Replies: 7
    • Views: 1,297
    06-05-2013, 09:41 PM Go to last post
  36. VFD's on pumps.

    Started by Notasupertech, 05-30-2013 11:04 AM
    • Replies: 5
    • Views: 1,079
    06-05-2013, 09:16 PM Go to last post
  37. Flood in Air Handler

    Started by jrick212, 05-24-2013 09:28 AM
    • Replies: 6
    • Views: 2,302
    06-04-2013, 12:59 PM Go to last post
  38. Groove tube

    Started by Mohammed Nofal, 06-01-2013 03:34 AM
    • Replies: 3
    • Views: 1,024
    06-04-2013, 08:15 AM Go to last post
  39. Compression tank keeps filling

    Started by gbathunder, 06-03-2013 11:49 AM
    • Replies: 1
    • Views: 805
    06-03-2013, 02:58 PM Go to last post
    • Replies: 6
    • Views: 1,844
    06-03-2013, 10:48 AM Go to last post
  40. package evaporator coil

    Started by airwork1, 06-02-2013 03:18 PM
    • Replies: 0
    • Views: 613
    06-02-2013, 03:18 PM Go to last post
  41. Confused Closed Loop Chilled Water Treatment

    Started by rleo49, 04-06-2008 03:38 PM
    • Replies: 9
    • Views: 12,497
    06-01-2013, 09:16 AM Go to last post

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