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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: 5,637
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 4,790
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. York Chiller (YT) Coupling Damage

    Started by snsici, 05-02-2013 02:26 AM
    • Replies: 4
    • Views: 1,378
    05-03-2013, 05:14 AM Go to last post
  3. York manual for zf090n15n2 ryu

    Started by leaker2, 05-01-2013 10:23 PM
    • Replies: 1
    • Views: 494
    05-02-2013, 09:40 AM Go to last post
  4. Question Mcquay Screw

    Started by chillerguru, 07-28-2004 12:57 AM
    • Replies: 12
    • Views: 3,155
    05-01-2013, 08:18 PM Go to last post
    • Replies: 3
    • Views: 1,250
    04-30-2013, 03:32 PM Go to last post
  5. Carrier master/slave communication

    Started by tmkllr, 04-26-2013 04:04 AM
    • Replies: 3
    • Views: 1,057
    04-28-2013, 12:18 PM Go to last post
  6. York YT shaft seal replacement procedure?

    Started by fixerup, 04-01-2009 04:34 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 8,068
    04-28-2013, 06:48 AM Go to last post
  7. 6.5 tons for sub 1000sq ft restaurant?

    Started by evoluzione, 04-23-2013 08:12 AM
    • Replies: 8
    • Views: 931
    04-28-2013, 06:34 AM Go to last post
  8. Typical Chiller Parameters

    Started by Animax007, 04-23-2013 05:48 AM
    • Replies: 2
    • Views: 1,297
    04-27-2013, 10:33 PM Go to last post
  9. HVAC Compressor overload question

    Started by m3rheino, 04-25-2013 04:04 PM
    • Replies: 3
    • Views: 1,045
    04-27-2013, 10:47 AM Go to last post
  10. extract fan motor making noise.

    Started by bellaman, 04-25-2013 10:28 AM
    • Replies: 1
    • Views: 413
    04-25-2013, 01:58 PM Go to last post
  11. Trane GBAS 0-5VDC with Siemens Apogee

    Started by bgmncwj, 04-24-2013 08:37 PM
    • Replies: 0
    • Views: 672
    04-24-2013, 08:37 PM Go to last post
  12. Heat/Cool multiple areas without zoning

    Started by rankhornjp, 03-20-2013 12:20 PM
    • Replies: 6
    • Views: 879
    04-22-2013, 05:53 PM Go to last post
  13. Swapping r-22 for r-12

    Started by Bobby67, 03-24-2013 01:52 PM
    • Replies: 12
    • Views: 1,554
    04-21-2013, 08:58 AM Go to last post
  14. Confused Portland OR C store Daikin vs MHI or a new HVAC?

    Started by gbrawley, 04-16-2013 10:03 AM
    • Replies: 2
    • Views: 787
    04-20-2013, 01:41 AM Go to last post
    • Replies: 4
    • Views: 1,964
    04-19-2013, 07:35 PM Go to last post
  15. Honeywell Subbase question

    Started by twobad, 04-18-2013 10:41 AM
    • Replies: 5
    • Views: 751
    04-19-2013, 10:31 AM Go to last post
  16. Any HVAC guys near Madison, WI

    Started by dspiffy, 04-19-2013 01:51 AM
    • Replies: 0
    • Views: 486
    04-19-2013, 01:51 AM Go to last post
    • Replies: 0
    • Views: 921
    04-17-2013, 08:23 PM Go to last post
    • Replies: 1
    • Views: 523
    04-17-2013, 12:11 PM Go to last post
    • Replies: 2
    • Views: 554
    04-17-2013, 06:05 AM Go to last post
  17. Viconics thermostat

    Started by Dalton92, 04-09-2013 01:00 PM
    • Replies: 8
    • Views: 1,667
    04-11-2013, 11:37 AM Go to last post
  18. external control

    Started by Jeff the Brewer, 04-10-2013 01:14 PM
    • Replies: 0
    • Views: 514
    04-10-2013, 01:14 PM Go to last post
  19. for Andy Schoen of Sporlan

    Started by jayguy, 08-24-2007 10:21 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,250
    04-08-2013, 09:09 PM Go to last post
  20. Strong sewer smell in office building

    Started by bikenbc, 03-21-2013 07:08 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,426
    04-07-2013, 07:51 PM Go to last post
  21. Saltwater in refer system?

    Started by Captain Mike, 04-03-2013 10:01 PM
    • Replies: 9
    • Views: 870
    04-04-2013, 08:35 PM Go to last post
  22. Variable Chilled Water Flow conversion

    Started by ewmoore85, 03-18-2013 12:32 PM
    • Replies: 9
    • Views: 1,275
    04-03-2013, 07:38 PM Go to last post
  23. Question Rooftop unit - shut down during winter?

    Started by gabrielr, 03-29-2013 12:28 PM
    • Replies: 7
    • Views: 1,625
    04-02-2013, 10:31 AM Go to last post
  24. Newbie stuff, but what kind of system do I have?

    Started by PM5K, 03-28-2013 06:16 PM
    • Replies: 5
    • Views: 779
    03-29-2013, 02:20 PM Go to last post
  25. cooling from refrigerated cases?

    Started by Sweetnighter, 03-28-2013 09:04 AM
    • Replies: 1
    • Views: 513
    03-28-2013, 10:07 PM Go to last post
  26. RAYPAK MVB BOILER

    Started by Jersey Boy, 04-28-2011 03:10 PM
    • Replies: 8
    • Views: 2,096
    03-28-2013, 08:42 PM Go to last post
    • Replies: 0
    • Views: 589
    03-28-2013, 01:54 PM Go to last post
  27. TRANE liquid level tank leak.

    Started by sajidsgn, 03-18-2013 03:54 PM
    • Replies: 2
    • Views: 715
    03-25-2013, 10:20 PM Go to last post
  28. Smile How to deciper Trane Date Code

    Started by goldteabean, 03-21-2013 07:41 PM
    • Replies: 2
    • Views: 1,394
    03-22-2013, 06:09 PM Go to last post
    • Replies: 2
    • Views: 707
    03-22-2013, 01:51 PM Go to last post
  29. Chilled water closed loop

    Started by crackerman, 03-17-2013 09:55 AM
    chilled water, chillers
    • Replies: 4
    • Views: 899
    03-21-2013, 06:39 PM Go to last post
  30. Wrench1

    Started by Wrench1, 03-21-2013 01:29 PM
    • Replies: 0
    • Views: 585
    03-21-2013, 01:29 PM Go to last post
  31. carrier chillers

    Started by dennis golic, 03-20-2013 01:37 PM
    • Replies: 1
    • Views: 759
    03-20-2013, 09:59 PM Go to last post
  32. Height of air duct inside warehouse

    Started by Hasny, 12-10-2012 09:41 AM
    • Replies: 2
    • Views: 1,088
    03-20-2013, 08:25 PM Go to last post
  33. Confused Phase rotation reversed

    Started by HVACAMAR, 03-13-2013 12:25 PM
    • Replies: 10
    • Views: 1,682
    03-20-2013, 08:19 PM Go to last post
  34. Heat Pump Sizing

    Started by mspmushrooms, 03-19-2013 11:54 PM
    • Replies: 0
    • Views: 586
    03-19-2013, 11:54 PM Go to last post
  35. Trane chiller oil return line iceing up.

    Started by jimmyd5, 03-17-2013 10:21 AM
    • Replies: 4
    • Views: 973
    03-19-2013, 07:16 PM Go to last post
  36. Confused Managing static pressure

    Started by ctom, 03-17-2013 05:05 PM
    • Replies: 7
    • Views: 1,180
    03-18-2013, 09:21 PM Go to last post
  37. Old Pepsi Machine Compressor

    Started by HOPPEL, 03-13-2013 02:16 PM
    • Replies: 3
    • Views: 1,400
    03-16-2013, 10:45 PM Go to last post
  38. Daikin’s VRVIII system

    Started by 50Panhead, 12-07-2012 10:57 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 6,376
    03-15-2013, 05:33 PM Go to last post
  39. Arrow VAV vs VVT

    Started by dneil75, 01-26-2005 01:39 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 42,579
    03-11-2013, 09:54 PM Go to last post
  40. Taking suggestions for a good direction

    Started by rjk42, 01-19-2013 06:25 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,022
    03-09-2013, 07:33 AM Go to last post
  41. CVHF surging

    Started by murphman, 04-12-2009 09:28 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 5,141
    03-05-2013, 08:21 PM Go to last post
    • Replies: 9
    • Views: 2,107
    03-05-2013, 11:20 AM Go to last post
  42. Question Glycol chilled water loop question

    Started by wccfgene, 01-25-2007 08:25 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 9,180
    03-03-2013, 12:24 PM Go to last post

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