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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 08:41 PM
    • Replies: 0
    • Views: 4,765
    10-31-2011, 08:41 PM Go to last post
    • Replies: 0
    • Views: 3,988
    10-31-2011, 08:37 PM Go to last post
  1. Normal Thread Normal Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Replacing mini splits

    Started by tomwatx, 08-19-2013 11:15 PM
    • Replies: 4
    • Views: 617
    08-21-2013, 09:40 AM Go to last post
  3. Walk In Chiller Evaporator Coil Condition

    Started by Edgar Castro, 08-20-2013 09:55 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,196
    08-21-2013, 08:35 AM Go to last post
    • Replies: 0
    • Views: 712
    08-20-2013, 02:13 PM Go to last post
  4. Shell & Tube HX assistance

    Started by CLEhvac, 08-19-2013 06:14 PM
    • Replies: 0
    • Views: 357
    08-19-2013, 06:14 PM Go to last post
  5. 3 phase to 120v problem

    Started by rjshantz, 08-16-2013 01:34 PM
    • Replies: 12
    • Views: 1,504
    08-18-2013, 03:12 PM Go to last post
  6. Confused creative ventilation solution needed

    Started by aerator, 08-15-2013 08:52 PM
    dryer, duct, ventilation
    • Replies: 3
    • Views: 522
    08-16-2013, 11:05 PM Go to last post
  7. Canatal units

    Started by jtricor, 10-20-2005 07:27 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,372
    08-16-2013, 10:29 PM Go to last post
    • Replies: 0
    • Views: 264
    08-16-2013, 04:38 PM Go to last post
    • Replies: 3
    • Views: 1,053
    08-15-2013, 07:51 PM Go to last post
  8. Teflon coil treatment

    Started by JiveWalker, 08-13-2013 10:13 AM
    • Replies: 0
    • Views: 385
    08-13-2013, 10:13 AM Go to last post
    • Replies: 4
    • Views: 1,027
    08-13-2013, 08:41 AM Go to last post
  9. Angry water source heat pumps tripping on high head

    Started by Ant2172, 07-09-2013 02:08 PM
    • Replies: 5
    • Views: 1,247
    08-11-2013, 09:14 PM Go to last post
  10. 5 ton haier issues

    Started by travelino1, 08-05-2013 07:39 PM
    • Replies: 8
    • Views: 1,087
    08-08-2013, 09:02 PM Go to last post
  11. "squirrel cage" removal

    Started by sgull, 12-31-2007 10:57 PM
    • Replies: 12
    • Views: 5,485
    08-08-2013, 07:18 AM Go to last post
  12. Does higher temperature setting actually save money?

    Started by crvia, 06-25-2013 04:43 PM
    energy conservation
    • Replies: 10
    • Views: 1,636
    08-08-2013, 07:14 AM Go to last post
  13. 10 TON CARRIER ISSUES

    Started by oceanwash, 08-02-2013 07:37 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,992
    08-07-2013, 12:13 AM Go to last post
  14. Proper or improper usage of flex duct

    Started by kirbinster, 07-26-2013 12:04 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,915
    08-05-2013, 11:30 PM Go to last post
    • Replies: 4
    • Views: 819
    08-02-2013, 08:49 PM Go to last post
  15. If this were your new retail store what changes would you make?

    Started by jonblack, 06-17-2013 01:34 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 3,918
    08-01-2013, 10:59 AM Go to last post
  16. condensation

    Started by highhead666, 07-21-2013 05:12 PM
    • Replies: 1
    • Views: 592
    07-30-2013, 09:11 AM Go to last post
  17. Question Another 30 GX Chiller tripping

    Started by Sucurro, 04-27-2012 07:32 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,406
    07-29-2013, 04:29 PM Go to last post
  18. McQuay anyone?

    Started by flange, 01-18-2005 06:57 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,784
    07-28-2013, 07:28 PM Go to last post
  19. Liquid Line Solenoid - Pump Down

    Started by WyrTwister, 07-28-2013 12:14 PM
    • Replies: 3
    • Views: 1,071
    07-28-2013, 01:18 PM Go to last post
  20. Question propylene glycol disposal

    Started by jcboston, 06-09-2013 11:35 PM
    • Replies: 7
    • Views: 2,550
    07-24-2013, 05:22 PM Go to last post
  21. Replacement for R22 in PTAC

    Started by Martyg1961, 07-16-2013 02:57 PM
    • Replies: 7
    • Views: 956
    07-23-2013, 11:24 PM Go to last post
  22. Hmm R-22 Refrigerant ' replacements '

    Started by freonguy, 03-04-2008 08:30 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 13,997
    07-23-2013, 10:32 PM Go to last post
  23. Multi Stack carel controller

    Started by Lobstergolf, 07-23-2013 09:29 AM
    • Replies: 0
    • Views: 567
    07-23-2013, 09:29 AM Go to last post
  24. custom made heating/ac units in Ny high rise building

    Started by Alexiabi, 07-14-2013 10:08 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,714
    07-22-2013, 08:34 AM Go to last post
  25. carrier 48ekd054

    Started by highhead666, 07-21-2013 04:19 PM
    • Replies: 1
    • Views: 446
    07-21-2013, 10:14 PM Go to last post
  26. appealing to the wise: data aire split unit issue

    Started by Cal84, 07-14-2013 02:18 AM
    • Replies: 2
    • Views: 481
    07-21-2013, 09:13 AM Go to last post
  27. Having a 8.5 ton unit installed and have some ?'s

    Started by eroc, 07-17-2013 12:50 PM
    • Replies: 7
    • Views: 865
    07-19-2013, 10:50 PM Go to last post
  28. Sabroe issue

    Started by BeautyBay, 07-19-2013 09:32 AM
    • Replies: 2
    • Views: 545
    07-19-2013, 10:31 AM Go to last post
  29. Sect. 608 Compliance

    Started by greg r, 04-09-2013 11:53 AM
    • Replies: 3
    • Views: 894
    07-15-2013, 11:08 AM Go to last post
  30. Chillers running at low load at night

    Started by hafiz88a, 07-13-2013 03:36 AM
    • Replies: 5
    • Views: 803
    07-13-2013, 11:30 PM Go to last post
    • Replies: 3
    • Views: 4,008
    07-13-2013, 10:20 AM Go to last post
  31. Humidity Issues

    Started by Tech13, 07-03-2013 08:34 PM
    • Replies: 8
    • Views: 1,032
    07-12-2013, 11:55 PM Go to last post
    • Replies: 2
    • Views: 697
    07-12-2013, 04:02 PM Go to last post
  32. Trouble shooting a pizza lowboy

    Started by chefg1124, 07-03-2013 11:36 AM
    • Replies: 10
    • Views: 1,053
    07-11-2013, 11:37 PM Go to last post
  33. Has anyone heard of Octagon?

    Started by Henson31, 11-10-2011 07:04 PM
    • Replies: 4
    • Views: 2,218
    07-11-2013, 08:50 PM Go to last post
  34. RTAC Condenser cleaning

    Started by criticool, 07-02-2013 01:00 PM
    • Replies: 8
    • Views: 1,115
    07-11-2013, 08:47 PM Go to last post
  35. Sanyo split unit 24KS72 no air light flashing

    Started by simmer33, 06-03-2013 03:58 PM
    • Replies: 2
    • Views: 630
    07-11-2013, 07:09 AM Go to last post
  36. R22 or replacement

    Started by jcash, 05-31-2013 09:36 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,994
    07-11-2013, 01:02 AM Go to last post
    • Replies: 2
    • Views: 1,061
    07-11-2013, 12:59 AM Go to last post
  37. carrier chiller

    Started by Robert George, 07-10-2013 09:00 AM
    • Replies: 0
    • Views: 421
    07-10-2013, 09:00 AM Go to last post
  38. A Question on Reversing Valves and Compressors.

    Started by LVL, 07-07-2013 06:29 PM
    compressors
    • Replies: 7
    • Views: 738
    07-10-2013, 12:23 AM Go to last post
  39. Humidity issue in surgical units

    Started by Usafwhite, 06-15-2013 02:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,942
    07-09-2013, 12:28 AM Go to last post
  40. VAV system with cfm flow charge out

    Started by surajhee, 07-04-2013 03:02 PM
    • Replies: 4
    • Views: 965
    07-08-2013, 06:49 AM Go to last post
  41. Siemens PXC24 Compact + HMI + DB9. Not working.

    Started by Syenergy, 07-08-2013 01:24 AM
    • Replies: 0
    • Views: 369
    07-08-2013, 01:24 AM Go to last post
    • Replies: 3
    • Views: 685
    07-07-2013, 11:02 AM Go to last post
  42. carrier modu-drive retrofit

    Started by hlarry9460, 07-02-2013 09:50 PM
    • Replies: 0
    • Views: 459
    07-02-2013, 09:50 PM Go to last post

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