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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: 6,945
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 5,987
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Process Chiller Not Cooling Correctly

    Started by apprentice3, 07-20-2010 06:39 PM
    • Replies: 10
    • Views: 1,823
    07-23-2010, 12:16 AM Go to last post
  3. reusing recovered gas

    Started by whoaghi, 07-20-2010 09:11 PM
    • Replies: 9
    • Views: 1,442
    07-22-2010, 10:25 PM Go to last post
  4. Trane RTU with Reliatel locks out

    Started by docgeorge, 07-12-2010 06:54 PM
    • Replies: 6
    • Views: 2,125
    07-22-2010, 09:03 PM Go to last post
  5. Earth Fault

    Started by ascj, 07-21-2010 07:25 PM
    • Replies: 7
    • Views: 1,366
    07-22-2010, 06:20 PM Go to last post
  6. Trane SFHG124 Wiring

    Started by flying_floyd, 07-22-2010 03:10 PM
    • Replies: 0
    • Views: 464
    07-22-2010, 03:10 PM Go to last post
    • Replies: 1
    • Views: 477
    07-22-2010, 12:02 PM Go to last post
    • Replies: 5
    • Views: 752
    07-22-2010, 12:00 PM Go to last post
  7. 2 and 4 pipe hvac commercial school

    Started by willy35, 04-18-2005 10:12 PM
    • Replies: 4
    • Views: 7,522
    07-21-2010, 08:35 PM Go to last post
  8. carrier 30gb circa 1988

    Started by stanbyyourword, 07-18-2009 03:36 AM
    • Replies: 11
    • Views: 2,214
    07-21-2010, 06:28 PM Go to last post
  9. Landis&Gyr thermostats with override

    Started by geochurchi, 07-20-2010 02:09 PM
    • Replies: 8
    • Views: 833
    07-21-2010, 06:04 PM Go to last post
  10. Westinghouse chiller

    Started by Heavymetalmover, 07-21-2010 11:24 AM
    • Replies: 1
    • Views: 1,088
    07-21-2010, 11:29 AM Go to last post
    • Replies: 21
    • Views: 3,610
    07-21-2010, 09:52 AM Go to last post
  11. Confused High Discharge PDIG

    Started by BIG KEITH, 07-20-2010 10:18 PM
    • Replies: 1
    • Views: 464
    07-20-2010, 10:33 PM Go to last post
  12. Confused AAON TRouble

    Started by hvactech80, 07-20-2010 06:06 PM
    • Replies: 1
    • Views: 1,333
    07-20-2010, 09:53 PM Go to last post
  13. setting your suction press.

    Started by newbe0507, 07-18-2010 10:52 PM
    • Replies: 9
    • Views: 799
    07-20-2010, 06:10 PM Go to last post
  14. 410a Conversion from r-22

    Started by pringlel, 07-01-2010 01:21 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 5,040
    07-20-2010, 01:30 PM Go to last post
  15. York 410A 20 ton startup

    Started by The Reaper, 07-20-2010 12:49 PM
    • Replies: 0
    • Views: 734
    07-20-2010, 12:49 PM Go to last post
  16. Cool Air cooled Chiller from Italy

    Started by whitepoundog, 07-13-2010 09:35 PM
    • Replies: 6
    • Views: 1,209
    07-20-2010, 11:44 AM Go to last post
  17. PUMPOUT UINT COMPRESSOR

    Started by can, 07-18-2010 01:38 AM
    • Replies: 4
    • Views: 747
    07-20-2010, 12:37 AM Go to last post
  18. OLD Swimming Pool, NEW HVAC reqd

    Started by acstewart25, 07-13-2010 02:51 AM
    • Replies: 8
    • Views: 1,363
    07-19-2010, 10:47 AM Go to last post
    • Replies: 0
    • Views: 623
    07-19-2010, 12:28 AM Go to last post
  19. Confused SIMPLE HONEYWELL TSTAT QUESTION

    Started by gtt, 07-18-2010 12:05 PM
    • Replies: 3
    • Views: 792
    07-18-2010, 10:39 PM Go to last post
  20. Hmm 06D breakdown; mixed refrigerant?

    Started by whoaghi, 07-14-2010 08:45 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,387
    07-18-2010, 07:58 PM Go to last post
  21. GLYCOL DEGRADATION

    Started by pat461, 07-06-2010 06:11 PM
    • Replies: 8
    • Views: 3,396
    07-18-2010, 07:52 PM Go to last post
  22. ESP on large air handlers?

    Started by jpsmith1cm, 07-16-2010 10:21 PM
    5 Pages
    1 2 3 4 5
    • Replies: 57
    • Views: 4,803
    07-18-2010, 03:30 PM Go to last post
  23. AIRFLOW LVLT

    Started by ruzfactor, 06-29-2010 10:29 AM
    • Replies: 2
    • Views: 740
    07-18-2010, 12:35 AM Go to last post
  24. Unhappy It's been a MONTH and swamp cooler STILL not fixed. Help!!

    Started by doodlebug1, 07-12-2010 02:14 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,971
    07-17-2010, 01:04 PM Go to last post
  25. ROBUR

    Started by HvAckid82, 09-06-2009 07:45 AM
    • Replies: 7
    • Views: 2,020
    07-17-2010, 10:35 AM Go to last post
  26. Looking For OEM TXV

    Started by KQQLCAT, 07-16-2010 11:15 AM
    • Replies: 6
    • Views: 973
    07-17-2010, 07:01 AM Go to last post
  27. BAC Tower Failures

    Started by Heavyevans, 04-13-2009 10:34 AM
    • Replies: 11
    • Views: 2,879
    07-16-2010, 06:51 PM Go to last post
  28. Parallel Compressor Troubleshooting

    Started by mcairrepair, 07-15-2010 04:06 PM
    • Replies: 10
    • Views: 1,607
    07-16-2010, 04:21 PM Go to last post
  29. Jumping out Trane and other different type of RTU's?

    Started by Parksy, 07-12-2010 11:34 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,271
    07-16-2010, 12:45 AM Go to last post
  30. comfortlink Faq

    Started by bob1234567, 01-21-2008 08:53 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,417
    07-16-2010, 12:34 AM Go to last post
  31. Confused Can Anyone ID This???

    Started by TraneDave, 07-14-2010 02:20 PM
    • Replies: 4
    • Views: 947
    07-15-2010, 11:06 PM Go to last post
  32. Mueller 691-FAB Duplex Strainer

    Started by JStar, 07-14-2010 08:31 PM
    • Replies: 5
    • Views: 1,211
    07-15-2010, 06:42 PM Go to last post
  33. old york heat pump

    Started by drifter99, 08-17-2006 09:35 PM
    • Replies: 4
    • Views: 6,196
    07-15-2010, 06:16 PM Go to last post
    • Replies: 4
    • Views: 930
    07-14-2010, 02:13 PM Go to last post
  34. Old Mr. Cray Koldfeld

    Started by jtsmech, 07-13-2010 11:45 PM
    • Replies: 0
    • Views: 477
    07-13-2010, 11:45 PM Go to last post
  35. LOOKING FOR POE OIL INFO

    Started by acjourneyman, 07-13-2010 10:54 PM
    • Replies: 0
    • Views: 492
    07-13-2010, 10:54 PM Go to last post
  36. YORK YCAR0230 current sensor reads 50% to high

    Started by Fmech, 07-08-2010 08:51 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,523
    07-13-2010, 10:31 PM Go to last post
  37. Fair price on used tools and equipment

    Started by Retread, 07-13-2010 09:16 PM
    • Replies: 2
    • Views: 629
    07-13-2010, 09:31 PM Go to last post
  38. Century Unit

    Started by JLyoung, 07-13-2010 08:35 PM
    • Replies: 2
    • Views: 695
    07-13-2010, 09:21 PM Go to last post
  39. Reset relays and tattle tales

    Started by hvac248, 07-13-2010 12:40 AM
    • Replies: 6
    • Views: 2,616
    07-13-2010, 07:11 PM Go to last post
  40. O-rings, when to use rubber, when to use teflon

    Started by The Doctor, 07-13-2010 05:52 AM
    • Replies: 2
    • Views: 770
    07-13-2010, 07:01 PM Go to last post
  41. york max e motor bearing lube asap

    Started by racerswil, 07-13-2010 09:28 AM
    • Replies: 1
    • Views: 771
    07-13-2010, 06:51 PM Go to last post
  42. suggested system for laundromat?

    Started by dkliman, 07-08-2010 04:28 PM
    efficient, laundromat, mini-spits, recovery
    • Replies: 6
    • Views: 2,444
    07-12-2010, 10:31 PM Go to last post
    • Replies: 2
    • Views: 1,115
    07-12-2010, 08:14 PM Go to last post
    • Replies: 0
    • Views: 1,448
    07-12-2010, 06:53 PM Go to last post
  43. Amana PTAC Nomenclature - 12th and 13th digits

    Started by Dibubba, 07-12-2010 02:52 PM
    • Replies: 0
    • Views: 1,578
    07-12-2010, 02:52 PM Go to last post
  44. Hmm Humidity Control - Conventional DF Liebert CRAC's

    Started by John_S, 06-16-2010 11:13 AM
    • Replies: 9
    • Views: 3,423
    07-12-2010, 09:55 AM Go to last post

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