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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: 10,471
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 9,093
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. trane intellepak

    Started by free cooling, 06-11-2010 09:26 PM
    • Replies: 8
    • Views: 1,268
    06-14-2010, 12:15 AM Go to last post
  3. High Head Pressure? What have I gotten myself into!

    Started by ZeroTolerance, 05-17-2010 09:22 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 9,532
    06-13-2010, 10:33 PM Go to last post
  4. Carrier Constant Air Voulme A/C Problem

    Started by mcewans, 06-08-2010 06:46 PM
    • Replies: 4
    • Views: 954
    06-13-2010, 06:52 PM Go to last post
  5. copeland engineering manual

    Started by supertek65, 06-12-2010 05:05 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 5,789
    06-13-2010, 11:35 AM Go to last post
  6. Hmm Whalen water source heat pumps

    Started by hvacsteve, 06-09-2010 07:32 PM
    • Replies: 6
    • Views: 2,597
    06-13-2010, 08:11 AM Go to last post
  7. Dehumidifying a commercial building

    Started by zer0, 06-12-2010 10:44 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 4,665
    06-13-2010, 07:45 AM Go to last post
  8. YORK RECIP CHILLER

    Started by svc, 06-12-2010 07:06 PM
    • Replies: 2
    • Views: 891
    06-13-2010, 06:44 AM Go to last post
  9. TR1 Series VFD

    Started by crow1, 05-09-2010 04:24 PM
    • Replies: 12
    • Views: 7,872
    06-13-2010, 12:31 AM Go to last post
  10. Sanyo mini-split

    Started by dave1234, 06-10-2010 10:38 PM
    • Replies: 2
    • Views: 7,450
    06-13-2010, 12:29 AM Go to last post
  11. Voyager Eats EAC motors

    Started by madhat, 06-12-2010 08:29 PM
    • Replies: 2
    • Views: 764
    06-12-2010, 08:42 PM Go to last post
  12. Trane Heat Pump

    Started by davemaldo, 06-12-2010 06:00 PM
    • Replies: 0
    • Views: 570
    06-12-2010, 06:00 PM Go to last post
  13. chw piping design ?

    Started by newbe0507, 06-11-2010 05:26 PM
    • Replies: 5
    • Views: 3,267
    06-12-2010, 04:09 PM Go to last post
  14. COPELAMETIC

    Started by supertek65, 06-11-2010 08:52 PM
    • Replies: 2
    • Views: 944
    06-12-2010, 03:24 PM Go to last post
  15. Trane Precedent ran backwards

    Started by Randy S., 06-12-2010 11:22 AM
    • Replies: 1
    • Views: 885
    06-12-2010, 12:23 PM Go to last post
    • Replies: 1
    • Views: 696
    06-12-2010, 11:09 AM Go to last post
  16. Please Help! School Project

    Started by ayn, 06-11-2010 07:50 PM
    • Replies: 7
    • Views: 909
    06-12-2010, 09:09 AM Go to last post
  17. Trying to decide - 13 vs 17 SEER and economizer

    Started by FargoGuy, 06-23-2008 11:55 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,462
    06-11-2010, 07:49 PM Go to last post
  18. Very Poor Air Circulation

    Started by CoolB, 06-11-2010 11:56 AM
    • Replies: 3
    • Views: 1,407
    06-11-2010, 07:49 PM Go to last post
  19. Loud Trane screw compressor

    Started by terpfan_, 06-03-2010 08:50 PM
    • Replies: 12
    • Views: 3,908
    06-11-2010, 01:02 AM Go to last post
  20. Bard w/Hotgass Bypass

    Started by rowen, 05-29-2010 09:24 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,125
    06-10-2010, 09:45 PM Go to last post
  21. Hmm retrofitting 410 handler to run on 22

    Started by rav555, 06-10-2010 04:51 PM
    r410, r410 coil to 22
    • Replies: 4
    • Views: 835
    06-10-2010, 09:43 PM Go to last post
  22. NEED HELP WITH TROUBLESHOOTING COMPRESSOR PLEASE.

    Started by BRYON MEYER, 06-08-2010 10:20 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,055
    06-10-2010, 01:52 PM Go to last post
  23. CVGF Manuals??

    Started by bertoh, 07-10-2008 01:54 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,065
    06-10-2010, 09:06 AM Go to last post
  24. York YCAJ Millenium Can't Change FL Amps

    Started by Fmech, 06-06-2010 04:35 PM
    • Replies: 6
    • Views: 1,799
    06-09-2010, 10:14 PM Go to last post
  25. Trane xdx valves

    Started by iron, 02-10-2009 03:22 PM
    • Replies: 4
    • Views: 3,498
    06-09-2010, 09:50 PM Go to last post
  26. Sq. D model 6 motor control center ?

    Started by newbe0507, 06-09-2010 04:28 PM
    • Replies: 1
    • Views: 817
    06-09-2010, 07:40 PM Go to last post
  27. Trane rooftop unit

    Started by narkom, 05-28-2010 03:04 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 5,282
    06-09-2010, 03:14 PM Go to last post
  28. Dual Pilot Boiler

    Started by dejomatic, 06-01-2010 08:44 AM
    • Replies: 2
    • Views: 888
    06-08-2010, 03:05 PM Go to last post
  29. Electric Furnace Needed

    Started by sgraefe, 06-07-2010 05:01 PM
    • Replies: 3
    • Views: 630
    06-08-2010, 11:21 AM Go to last post
  30. 20 ton WSHP ?

    Started by newbe0507, 06-05-2010 11:35 AM
    • Replies: 9
    • Views: 1,252
    06-07-2010, 09:47 PM Go to last post
  31. trane i pak vfd

    Started by mesahvac, 05-28-2010 05:48 PM
    • Replies: 6
    • Views: 1,776
    06-06-2010, 10:25 AM Go to last post
  32. Confused Rooftop Heat Pump Creative Wiring?

    Started by ApplianceTech9, 05-30-2010 10:12 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,133
    06-06-2010, 12:28 AM Go to last post
    • Replies: 7
    • Views: 3,400
    06-05-2010, 09:10 PM Go to last post
  33. 19XR oil leak from sight glass

    Started by consolidmech, 06-04-2010 11:12 PM
    • Replies: 2
    • Views: 869
    06-05-2010, 08:15 PM Go to last post
  34. compressor question

    Started by bsw52876, 06-02-2010 09:27 PM
    • Replies: 10
    • Views: 1,385
    06-05-2010, 07:24 PM Go to last post
  35. AC UNIT FAILURES :-(

    Started by tiaochiyu, 06-01-2010 07:20 PM
    • Replies: 5
    • Views: 937
    06-05-2010, 03:42 PM Go to last post
  36. What is a "VFD Dew Prevention" on a chiller

    Started by hvac399, 06-02-2010 05:49 PM
    • Replies: 3
    • Views: 1,053
    06-05-2010, 11:33 AM Go to last post
  37. Trane Voyager

    Started by commloss, 06-04-2010 08:09 PM
    • Replies: 2
    • Views: 835
    06-04-2010, 10:16 PM Go to last post
  38. Question R500 TEV W/R22 COND UNIT

    Started by mrhvacmechanic, 06-01-2010 09:45 PM
    • Replies: 6
    • Views: 1,793
    06-04-2010, 09:56 PM Go to last post
  39. Alcatel-Lucent data room cooling system.

    Started by Randy S., 05-29-2010 12:23 PM
    • Replies: 6
    • Views: 1,048
    06-04-2010, 08:13 PM Go to last post
  40. XD chiller question

    Started by The Doctor, 06-03-2010 08:25 PM
    • Replies: 2
    • Views: 647
    06-03-2010, 10:00 PM Go to last post
  41. YORK Y-DTJ-76

    Started by chillerguru, 06-03-2010 12:13 AM
    • Replies: 5
    • Views: 1,017
    06-03-2010, 09:11 PM Go to last post
  42. Trane 2E5M62N compressor

    Started by heavymetaldad, 06-02-2010 06:20 PM
    • Replies: 4
    • Views: 788
    06-03-2010, 08:34 PM Go to last post
  43. York YCWJ & YTK9

    Started by Mach3Maelstrom, 06-03-2010 02:48 PM
    • Replies: 4
    • Views: 2,264
    06-03-2010, 04:15 PM Go to last post
  44. York condenser 460 3ph kicking out?

    Started by meoff, 05-26-2010 12:05 AM
    • Replies: 8
    • Views: 1,820
    06-02-2010, 10:51 PM Go to last post
  45. Unhappy 15 TON CARR SPLIT, CAN'T ADJ SUPERHEAT

    Started by mrhvacmechanic, 06-01-2010 10:03 PM
    • Replies: 6
    • Views: 1,122
    06-02-2010, 09:35 PM Go to last post
  46. 5H60 ON 407C

    Started by PJ's cool-aid, 06-01-2010 08:20 AM
    • Replies: 2
    • Views: 875
    06-02-2010, 05:39 PM Go to last post
  47. RTAC 140 comp. bad ?

    Started by jtricor, 06-01-2010 12:20 PM
    • Replies: 12
    • Views: 1,370
    06-02-2010, 03:11 PM Go to last post
  48. Maintenance Agreement

    Started by bayou dude, 06-01-2010 03:10 PM
    • Replies: 1
    • Views: 801
    06-01-2010, 11:25 PM Go to last post
  49. Hot gas bypass question

    Started by invisiblecollar, 05-31-2010 08:53 PM
    • Replies: 3
    • Views: 1,342
    06-01-2010, 10:59 PM Go to last post

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