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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: 4,266
    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: 3,560
    10-31-2011, 07:37 PM Go to last post
  1. A Question on Reversing Valves and Compressors.

    Started by LVL, 07-07-2013 05:29 PM
    compressors
    • Replies: 7
    • Views: 669
    07-09-2013, 11:23 PM Go to last post
  2. Humidity issue in surgical units

    Started by Usafwhite, 06-15-2013 01:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,708
    07-08-2013, 11:28 PM Go to last post
  3. VAV system with cfm flow charge out

    Started by surajhee, 07-04-2013 02:02 PM
    • Replies: 4
    • Views: 837
    07-08-2013, 05:49 AM Go to last post
  4. Siemens PXC24 Compact + HMI + DB9. Not working.

    Started by Syenergy, 07-08-2013 12:24 AM
    • Replies: 0
    • Views: 303
    07-08-2013, 12:24 AM Go to last post
    • Replies: 3
    • Views: 601
    07-07-2013, 10:02 AM Go to last post
  5. carrier modu-drive retrofit

    Started by hlarry9460, 07-02-2013 08:50 PM
    • Replies: 0
    • Views: 396
    07-02-2013, 08:50 PM Go to last post
    • Replies: 0
    • Views: 344
    07-02-2013, 11:33 AM Go to last post
  6. Automotive refrigerant recovery machine

    Started by Dalton92, 07-01-2013 02:08 PM
    • Replies: 1
    • Views: 429
    07-01-2013, 02:39 PM Go to last post
  7. Is this return too close to the supplies?

    Started by jonblack, 06-30-2013 06:10 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,450
    07-01-2013, 12:55 PM Go to last post
  8. please help me identify comm. AC unit

    Started by gloverds1, 06-29-2013 11:04 PM
    • Replies: 2
    • Views: 636
    07-01-2013, 05:22 AM Go to last post
  9. Mushroom Farm Help!

    Started by Mushroom Man, 06-26-2013 11:32 PM
    • Replies: 2
    • Views: 706
    06-30-2013, 06:30 AM Go to last post
  10. Trane Compressor Leak...Is it fixable?

    Started by Driverfound, 05-08-2013 10:18 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,580
    06-29-2013, 11:11 AM Go to last post
  11. chiller flow switch

    Started by hvac17011, 06-24-2011 08:09 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 6,307
    06-27-2013, 09:55 PM Go to last post
  12. Smile Turbocor Problems

    Started by turbo geek, 10-21-2006 09:38 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 13,763
    06-26-2013, 05:15 PM Go to last post
    • Replies: 3
    • Views: 597
    06-26-2013, 11:41 AM Go to last post
    • Replies: 6
    • Views: 1,135
    06-26-2013, 10:42 AM Go to last post
    • Replies: 7
    • Views: 1,107
    06-24-2013, 09:09 PM Go to last post
  13. Carrier Roof Top 48HJE004---331 Blower Motor

    Started by bsevans, 06-19-2013 08:24 PM
    • Replies: 0
    • Views: 584
    06-19-2013, 08:24 PM Go to last post
  14. Eng-a having issues changing heat to cooling

    Started by billyp7999, 06-17-2013 11:07 AM
    • Replies: 2
    • Views: 449
    06-17-2013, 08:25 PM Go to last post
  15. Corner gas fireplace

    Started by DrKelly, 06-13-2013 11:20 AM
    • Replies: 1
    • Views: 483
    06-13-2013, 11:28 PM Go to last post
    • Replies: 4
    • Views: 641
    06-13-2013, 01:09 AM Go to last post
  16. Chiller Secondary Loop VFD Control

    Started by smakdown61, 05-21-2013 09:25 AM
    • Replies: 6
    • Views: 999
    06-10-2013, 05:22 PM Go to last post
  17. Air Filter and V-Belt Specifications

    Started by pablok, 06-04-2013 08:18 PM
    • Replies: 2
    • Views: 659
    06-10-2013, 01:50 PM Go to last post
  18. Johnson DX9100 Points

    Started by cleancondenser, 10-26-2004 08:35 PM
    • Replies: 10
    • Views: 2,851
    06-06-2013, 05:13 PM Go to last post
  19. Air Handler Motor Chilled Water System

    Started by Pat512, 05-31-2013 07:45 PM
    • Replies: 7
    • Views: 775
    06-05-2013, 09:41 PM Go to last post
  20. VFD's on pumps.

    Started by Notasupertech, 05-30-2013 11:04 AM
    • Replies: 5
    • Views: 619
    06-05-2013, 09:16 PM Go to last post
  21. Flood in Air Handler

    Started by jrick212, 05-24-2013 09:28 AM
    • Replies: 6
    • Views: 1,228
    06-04-2013, 12:59 PM Go to last post
  22. Groove tube

    Started by Mohammed Nofal, 06-01-2013 03:34 AM
    • Replies: 3
    • Views: 569
    06-04-2013, 08:15 AM Go to last post
  23. Compression tank keeps filling

    Started by gbathunder, 06-03-2013 11:49 AM
    • Replies: 1
    • Views: 467
    06-03-2013, 02:58 PM Go to last post
    • Replies: 6
    • Views: 973
    06-03-2013, 10:48 AM Go to last post
  24. package evaporator coil

    Started by airwork1, 06-02-2013 03:18 PM
    • Replies: 0
    • Views: 376
    06-02-2013, 03:18 PM Go to last post
  25. Confused Closed Loop Chilled Water Treatment

    Started by rleo49, 04-06-2008 03:38 PM
    • Replies: 9
    • Views: 9,488
    06-01-2013, 09:16 AM Go to last post
    • Replies: 10
    • Views: 892
    05-30-2013, 08:04 PM Go to last post
  26. Trane Absorber Bromide Filter Change Procedure?

    Started by killer v, 05-30-2013 06:18 PM
    • Replies: 0
    • Views: 393
    05-30-2013, 06:18 PM Go to last post
  27. Damper control.

    Started by Notasupertech, 05-30-2013 11:19 AM
    • Replies: 0
    • Views: 372
    05-30-2013, 11:19 AM Go to last post
  28. Carrier Centurion 50HG - FIOP Code AG

    Started by salgadolr, 05-24-2013 11:05 AM
    • Replies: 2
    • Views: 509
    05-30-2013, 10:04 AM Go to last post
  29. TRANE Voyager Economizer UEM Module quetion

    Started by wsc, 08-02-2011 04:43 PM
    • Replies: 4
    • Views: 1,816
    05-30-2013, 06:41 AM Go to last post
  30. GE Vaportran Transformers

    Started by b-man, 01-29-2011 10:56 AM
    • Replies: 2
    • Views: 1,548
    05-30-2013, 05:38 AM Go to last post
    • Replies: 7
    • Views: 902
    05-29-2013, 10:02 PM Go to last post
  31. Objections to adding VFD's to CV AHUs?

    Started by Drogden, 05-28-2013 01:15 PM
    • Replies: 3
    • Views: 545
    05-29-2013, 03:34 PM Go to last post
  32. 30XA discharge ball valve leaking

    Started by skydiver79, 02-04-2009 07:20 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,100
    05-29-2013, 02:03 PM Go to last post
  33. Refrigerant piping fittings

    Started by Mohammed Nofal, 05-23-2013 12:37 AM
    • Replies: 4
    • Views: 1,285
    05-29-2013, 01:39 AM Go to last post
    • Replies: 5
    • Views: 854
    05-28-2013, 06:04 AM Go to last post
  34. Task Model TGU

    Started by hitesh8688, 05-27-2013 05:47 AM
    • Replies: 1
    • Views: 681
    05-27-2013, 07:44 AM Go to last post
    • Replies: 8
    • Views: 1,230
    05-26-2013, 07:34 PM Go to last post
    • Replies: 14
    • Views: 988
    05-25-2013, 10:26 AM Go to last post
  35. Trane 10 ton Hi Eff RTU Model TSC120E nuisance alarm

    Started by Joe V, 05-20-2013 12:27 PM
    • Replies: 1
    • Views: 659
    05-20-2013, 05:27 PM Go to last post
  36. Confused I need HELP with energy sheets in florida!!

    Started by TMarco, 05-17-2013 04:49 PM
    • Replies: 0
    • Views: 347
    05-17-2013, 04:49 PM Go to last post
  37. ALC/Delta Integration

    Started by ControlStudent, 05-17-2013 09:35 AM
    • Replies: 0
    • Views: 306
    05-17-2013, 09:35 AM Go to last post
  38. Hmm Copeland Scroll Compressors

    Started by gbathunder, 05-10-2013 10:33 AM
    • Replies: 2
    • Views: 882
    05-10-2013, 05:53 PM Go to last post

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