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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: 9,293
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,098
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

    • Replies: 0
    • Views: 467
    08-16-2013, 03:38 PM Go to last post
    • Replies: 3
    • Views: 1,898
    08-15-2013, 06:51 PM Go to last post
  2. Teflon coil treatment

    Started by JiveWalker, 08-13-2013 09:13 AM
    • Replies: 0
    • Views: 596
    08-13-2013, 09:13 AM Go to last post
    • Replies: 4
    • Views: 1,551
    08-13-2013, 07:41 AM Go to last post
  3. Angry water source heat pumps tripping on high head

    Started by Ant2172, 07-09-2013 01:08 PM
    • Replies: 5
    • Views: 1,946
    08-11-2013, 08:14 PM Go to last post
  4. 5 ton haier issues

    Started by travelino1, 08-05-2013 06:39 PM
    • Replies: 8
    • Views: 1,624
    08-08-2013, 08:02 PM Go to last post
  5. "squirrel cage" removal

    Started by sgull, 12-31-2007 10:57 PM
    • Replies: 12
    • Views: 9,271
    08-08-2013, 06:18 AM Go to last post
  6. Does higher temperature setting actually save money?

    Started by crvia, 06-25-2013 03:43 PM
    energy conservation
    • Replies: 10
    • Views: 2,544
    08-08-2013, 06:14 AM Go to last post
  7. 10 TON CARRIER ISSUES

    Started by oceanwash, 08-02-2013 06:37 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 3,778
    08-06-2013, 11:13 PM Go to last post
  8. Proper or improper usage of flex duct

    Started by kirbinster, 07-26-2013 11:04 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,969
    08-05-2013, 10:30 PM Go to last post
    • Replies: 4
    • Views: 1,309
    08-02-2013, 07:49 PM Go to last post
  9. If this were your new retail store what changes would you make?

    Started by jonblack, 06-17-2013 12:34 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 6,061
    08-01-2013, 09:59 AM Go to last post
  10. AHU Cooling capacity?

    Started by GIRI, 08-01-2013 03:25 AM
    • Replies: 1
    • Views: 5,089
    08-01-2013, 03:34 AM Go to last post
  11. condensation

    Started by highhead666, 07-21-2013 04:12 PM
    • Replies: 1
    • Views: 876
    07-30-2013, 08:11 AM Go to last post
  12. Question Another 30 GX Chiller tripping

    Started by Sucurro, 04-27-2012 06:32 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,872
    07-29-2013, 03:29 PM Go to last post
  13. McQuay anyone?

    Started by flange, 01-18-2005 06:57 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,521
    07-28-2013, 06:28 PM Go to last post
  14. Liquid Line Solenoid - Pump Down

    Started by WyrTwister, 07-28-2013 11:14 AM
    • Replies: 3
    • Views: 1,756
    07-28-2013, 12:18 PM Go to last post
  15. Question propylene glycol disposal

    Started by jcboston, 06-09-2013 10:35 PM
    • Replies: 7
    • Views: 6,070
    07-24-2013, 04:22 PM Go to last post
  16. Replacement for R22 in PTAC

    Started by Martyg1961, 07-16-2013 01:57 PM
    • Replies: 7
    • Views: 1,460
    07-23-2013, 10:24 PM Go to last post
  17. Hmm R-22 Refrigerant ' replacements '

    Started by freonguy, 03-04-2008 08:30 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 20,394
    07-23-2013, 09:32 PM Go to last post
  18. Multi Stack carel controller

    Started by Lobstergolf, 07-23-2013 08:29 AM
    • Replies: 0
    • Views: 872
    07-23-2013, 08:29 AM Go to last post
  19. 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: 2,608
    07-22-2013, 07:34 AM Go to last post
  20. carrier 48ekd054

    Started by highhead666, 07-21-2013 03:19 PM
    • Replies: 1
    • Views: 694
    07-21-2013, 09:14 PM Go to last post
  21. appealing to the wise: data aire split unit issue

    Started by Cal84, 07-14-2013 01:18 AM
    • Replies: 2
    • Views: 764
    07-21-2013, 08:13 AM Go to last post
  22. Having a 8.5 ton unit installed and have some ?'s

    Started by eroc, 07-17-2013 11:50 AM
    • Replies: 7
    • Views: 1,229
    07-19-2013, 09:50 PM Go to last post
  23. Sabroe issue

    Started by BeautyBay, 07-19-2013 08:32 AM
    • Replies: 2
    • Views: 886
    07-19-2013, 09:31 AM Go to last post
  24. Sect. 608 Compliance

    Started by greg r, 04-09-2013 10:53 AM
    • Replies: 3
    • Views: 1,171
    07-15-2013, 10:08 AM Go to last post
  25. Chillers running at low load at night

    Started by hafiz88a, 07-13-2013 02:36 AM
    • Replies: 5
    • Views: 1,212
    07-13-2013, 10:30 PM Go to last post
    • Replies: 3
    • Views: 5,470
    07-13-2013, 09:20 AM Go to last post
  26. Humidity Issues

    Started by Tech13, 07-03-2013 07:34 PM
    • Replies: 8
    • Views: 1,665
    07-12-2013, 10:55 PM Go to last post
    • Replies: 2
    • Views: 1,053
    07-12-2013, 03:02 PM Go to last post
  27. Trouble shooting a pizza lowboy

    Started by chefg1124, 07-03-2013 10:36 AM
    • Replies: 10
    • Views: 1,955
    07-11-2013, 10:37 PM Go to last post
  28. Has anyone heard of Octagon?

    Started by Henson31, 11-10-2011 07:04 PM
    • Replies: 4
    • Views: 3,118
    07-11-2013, 07:50 PM Go to last post
  29. RTAC Condenser cleaning

    Started by criticool, 07-02-2013 12:00 PM
    • Replies: 8
    • Views: 1,758
    07-11-2013, 07:47 PM Go to last post
  30. Sanyo split unit 24KS72 no air light flashing

    Started by simmer33, 06-03-2013 02:58 PM
    • Replies: 2
    • Views: 983
    07-11-2013, 06:09 AM Go to last post
  31. R22 or replacement

    Started by jcash, 05-31-2013 08:36 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,867
    07-11-2013, 12:02 AM Go to last post
    • Replies: 2
    • Views: 1,616
    07-10-2013, 11:59 PM Go to last post
  32. carrier chiller

    Started by Robert George, 07-10-2013 08:00 AM
    • Replies: 0
    • Views: 676
    07-10-2013, 08:00 AM Go to last post
  33. A Question on Reversing Valves and Compressors.

    Started by LVL, 07-07-2013 05:29 PM
    compressors
    • Replies: 7
    • Views: 1,065
    07-09-2013, 11:23 PM Go to last post
  34. Humidity issue in surgical units

    Started by Usafwhite, 06-15-2013 01:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,501
    07-08-2013, 11:28 PM Go to last post
  35. VAV system with cfm flow charge out

    Started by surajhee, 07-04-2013 02:02 PM
    • Replies: 4
    • Views: 1,376
    07-08-2013, 05:49 AM Go to last post
  36. Siemens PXC24 Compact + HMI + DB9. Not working.

    Started by Syenergy, 07-08-2013 12:24 AM
    • Replies: 0
    • Views: 619
    07-08-2013, 12:24 AM Go to last post
    • Replies: 3
    • Views: 1,114
    07-07-2013, 10:02 AM Go to last post
  37. carrier modu-drive retrofit

    Started by hlarry9460, 07-02-2013 08:50 PM
    • Replies: 0
    • Views: 758
    07-02-2013, 08:50 PM Go to last post
    • Replies: 0
    • Views: 624
    07-02-2013, 11:33 AM Go to last post
  38. Automotive refrigerant recovery machine

    Started by Dalton92, 07-01-2013 02:08 PM
    • Replies: 1
    • Views: 765
    07-01-2013, 02:39 PM Go to last post
  39. Is this return too close to the supplies?

    Started by jonblack, 06-30-2013 06:10 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,082
    07-01-2013, 12:55 PM Go to last post
  40. please help me identify comm. AC unit

    Started by gloverds1, 06-29-2013 11:04 PM
    • Replies: 2
    • Views: 1,229
    07-01-2013, 05:22 AM Go to last post
  41. Mushroom Farm Help!

    Started by Mushroom Man, 06-26-2013 11:32 PM
    • Replies: 2
    • Views: 1,195
    06-30-2013, 06:30 AM Go to last post
  42. Trane Compressor Leak...Is it fixable?

    Started by Driverfound, 05-08-2013 10:18 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,565
    06-29-2013, 11:11 AM Go to last post

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