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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: 4,184
    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: 3,484
    10-31-2011, 07:37 PM Go to last post
  1. NEED HELP WITH TROUBLESHOOTING COMPRESSOR PLEASE.

    Started by BRYON MEYER, 06-08-2010 10:20 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,194
    06-10-2010, 01:52 PM Go to last post
  2. CVGF Manuals??

    Started by bertoh, 07-10-2008 01:54 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,800
    06-10-2010, 09:06 AM Go to last post
  3. York YCAJ Millenium Can't Change FL Amps

    Started by Fmech, 06-06-2010 04:35 PM
    • Replies: 6
    • Views: 1,176
    06-09-2010, 10:14 PM Go to last post
  4. Trane xdx valves

    Started by iron, 02-10-2009 02:22 PM
    • Replies: 4
    • Views: 2,484
    06-09-2010, 09:50 PM Go to last post
  5. Sq. D model 6 motor control center ?

    Started by newbe0507, 06-09-2010 04:28 PM
    • Replies: 1
    • Views: 545
    06-09-2010, 07:40 PM Go to last post
  6. Trane rooftop unit

    Started by narkom, 05-28-2010 03:04 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,306
    06-09-2010, 03:14 PM Go to last post
  7. Dual Pilot Boiler

    Started by dejomatic, 06-01-2010 08:44 AM
    • Replies: 2
    • Views: 604
    06-08-2010, 03:05 PM Go to last post
  8. Electric Furnace Needed

    Started by sgraefe, 06-07-2010 05:01 PM
    • Replies: 3
    • Views: 406
    06-08-2010, 11:21 AM Go to last post
  9. 20 ton WSHP ?

    Started by newbe0507, 06-05-2010 11:35 AM
    • Replies: 9
    • Views: 794
    06-07-2010, 09:47 PM Go to last post
  10. trane i pak vfd

    Started by mesahvac, 05-28-2010 05:48 PM
    • Replies: 6
    • Views: 1,198
    06-06-2010, 10:25 AM Go to last post
  11. Confused Rooftop Heat Pump Creative Wiring?

    Started by ApplianceTech9, 05-30-2010 10:12 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,447
    06-06-2010, 12:28 AM Go to last post
    • Replies: 7
    • Views: 2,621
    06-05-2010, 09:10 PM Go to last post
  12. 19XR oil leak from sight glass

    Started by consolidmech, 06-04-2010 11:12 PM
    • Replies: 2
    • Views: 595
    06-05-2010, 08:15 PM Go to last post
  13. compressor question

    Started by bsw52876, 06-02-2010 09:27 PM
    • Replies: 10
    • Views: 842
    06-05-2010, 07:24 PM Go to last post
  14. AC UNIT FAILURES :-(

    Started by tiaochiyu, 06-01-2010 07:20 PM
    • Replies: 5
    • Views: 687
    06-05-2010, 03:42 PM Go to last post
  15. What is a "VFD Dew Prevention" on a chiller

    Started by hvac399, 06-02-2010 05:49 PM
    • Replies: 3
    • Views: 791
    06-05-2010, 11:33 AM Go to last post
  16. Trane Voyager

    Started by commloss, 06-04-2010 08:09 PM
    • Replies: 2
    • Views: 578
    06-04-2010, 10:16 PM Go to last post
  17. Question R500 TEV W/R22 COND UNIT

    Started by mrhvacmechanic, 06-01-2010 09:45 PM
    • Replies: 6
    • Views: 1,059
    06-04-2010, 09:56 PM Go to last post
  18. Alcatel-Lucent data room cooling system.

    Started by Randy S., 05-29-2010 12:23 PM
    • Replies: 6
    • Views: 788
    06-04-2010, 08:13 PM Go to last post
  19. XD chiller question

    Started by The Doctor, 06-03-2010 08:25 PM
    • Replies: 2
    • Views: 415
    06-03-2010, 10:00 PM Go to last post
  20. YORK Y-DTJ-76

    Started by chillerguru, 06-03-2010 12:13 AM
    • Replies: 5
    • Views: 597
    06-03-2010, 09:11 PM Go to last post
  21. Trane 2E5M62N compressor

    Started by heavymetaldad, 06-02-2010 06:20 PM
    • Replies: 4
    • Views: 551
    06-03-2010, 08:34 PM Go to last post
  22. York YCWJ & YTK9

    Started by Mach3Maelstrom, 06-03-2010 02:48 PM
    • Replies: 4
    • Views: 1,473
    06-03-2010, 04:15 PM Go to last post
  23. York condenser 460 3ph kicking out?

    Started by meoff, 05-26-2010 12:05 AM
    • Replies: 8
    • Views: 1,272
    06-02-2010, 10:51 PM Go to last post
  24. Unhappy 15 TON CARR SPLIT, CAN'T ADJ SUPERHEAT

    Started by mrhvacmechanic, 06-01-2010 10:03 PM
    • Replies: 6
    • Views: 719
    06-02-2010, 09:35 PM Go to last post
  25. 5H60 ON 407C

    Started by PJ's cool-aid, 06-01-2010 08:20 AM
    • Replies: 2
    • Views: 532
    06-02-2010, 05:39 PM Go to last post
  26. RTAC 140 comp. bad ?

    Started by jtricor, 06-01-2010 12:20 PM
    • Replies: 12
    • Views: 745
    06-02-2010, 03:11 PM Go to last post
  27. Maintenance Agreement

    Started by bayou dude, 06-01-2010 03:10 PM
    • Replies: 1
    • Views: 605
    06-01-2010, 11:25 PM Go to last post
  28. Hot gas bypass question

    Started by invisiblecollar, 05-31-2010 08:53 PM
    • Replies: 3
    • Views: 872
    06-01-2010, 10:59 PM Go to last post
  29. Need professional advice on rooftop units

    Started by ComaxTools, 05-26-2010 05:17 PM
    • Replies: 9
    • Views: 847
    06-01-2010, 08:49 PM Go to last post
  30. p38002 reset volume controller

    Started by freezemiser, 05-19-2010 07:50 AM
    • Replies: 4
    • Views: 568
    06-01-2010, 07:32 PM Go to last post
  31. i'll try here

    Started by coolerinfrederick, 05-30-2010 09:57 AM
    • Replies: 5
    • Views: 549
    06-01-2010, 01:34 PM Go to last post
  32. Cool Hitachi Inverter X200

    Started by VTP99, 05-31-2010 11:06 AM
    • Replies: 6
    • Views: 952
    06-01-2010, 09:41 AM Go to last post
  33. Runing high head pressure!

    Started by todouble, 07-16-2008 02:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 82
    • Views: 7,714
    05-31-2010, 10:31 PM Go to last post
  34. Hydronic pumps making noise when i'm not there

    Started by Octopus, 05-31-2010 05:56 PM
    • Replies: 2
    • Views: 516
    05-31-2010, 09:51 PM Go to last post
  35. Carlyle Unloaders

    Started by ascj, 05-29-2010 11:45 AM
    • Replies: 6
    • Views: 990
    05-31-2010, 08:49 PM Go to last post
  36. system isolation

    Started by youngsamuel, 05-30-2010 04:55 PM
    • Replies: 4
    • Views: 503
    05-31-2010, 09:02 AM Go to last post
  37. Hmm Carrier 30 Ton Air Handler

    Started by roc service, 08-07-2004 04:47 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 4,224
    05-30-2010, 06:50 PM Go to last post
  38. Pneumatic Air Compressor - Rotary or Recip?

    Started by turbo50mike, 05-24-2010 11:16 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,546
    05-29-2010, 07:07 PM Go to last post
  39. Boiler Heat exchanger corrosion

    Started by indoorcomfrtsl, 05-17-2010 08:30 PM
    • Replies: 7
    • Views: 1,700
    05-29-2010, 06:14 PM Go to last post
    • Replies: 5
    • Views: 894
    05-29-2010, 06:09 PM Go to last post
    • Replies: 10
    • Views: 711
    05-28-2010, 08:30 PM Go to last post
  40. McQuay 80 ton unit (intermittent problem)

    Started by dave1234, 05-06-2010 11:33 AM
    • Replies: 6
    • Views: 1,257
    05-28-2010, 12:07 PM Go to last post
  41. Design/Build Contest: CALL FOR ENTRIES

    Started by tmciver, 05-28-2010 12:06 PM
    • Replies: 0
    • Views: 348
    05-28-2010, 12:06 PM Go to last post
  42. what do you think happened???

    Started by toptwo, 05-27-2010 09:31 PM
    • Replies: 7
    • Views: 887
    05-28-2010, 09:58 AM Go to last post
  43. Renovation failure

    Started by bluemister, 05-26-2010 11:08 PM
    • Replies: 2
    • Views: 641
    05-27-2010, 06:38 PM Go to last post
  44. Bullnose with Refer piping

    Started by JYoung Guy, 05-26-2010 07:14 PM
    • Replies: 6
    • Views: 1,137
    05-27-2010, 05:39 PM Go to last post
  45. York chiller

    Started by airdocc, 01-13-2009 07:59 AM
    • Replies: 2
    • Views: 882
    05-27-2010, 04:23 PM Go to last post
    • Replies: 1
    • Views: 530
    05-27-2010, 02:54 PM Go to last post
    • Replies: 5
    • Views: 1,870
    05-27-2010, 12:45 PM Go to last post

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