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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: 5,106
    10-31-2011, 08:41 PM Go to last post
    • Replies: 0
    • Views: 4,294
    10-31-2011, 08:37 PM Go to last post
  1. Normal Thread Normal Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Confused suction line freezing

    Started by shultz440, 06-11-2010 08:44 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 13,909
    06-15-2010, 09:14 PM Go to last post
  3. blower static press. ?

    Started by newbe0507, 06-15-2010 08:11 PM
    • Replies: 2
    • Views: 497
    06-15-2010, 08:36 PM Go to last post
  4. Hmm RHEEM RRGF200075CKA

    Started by silver, 06-15-2010 05:09 PM
    • Replies: 0
    • Views: 360
    06-15-2010, 05:09 PM Go to last post
  5. permafrost??

    Started by trane_stud, 11-05-2008 05:00 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 4,662
    06-15-2010, 04:28 PM Go to last post
  6. Frown CGAF chiller tripping on low pressure

    Started by randystoker, 06-10-2010 11:32 PM
    • Replies: 7
    • Views: 2,227
    06-15-2010, 01:26 PM Go to last post
  7. Pharma pressure differential

    Started by Davidinnj, 06-11-2010 03:37 PM
    • Replies: 9
    • Views: 2,939
    06-14-2010, 10:54 PM Go to last post
  8. Obsolete Burners Needed!

    Started by jimmyjas, 06-14-2010 11:21 AM
    • Replies: 1
    • Views: 547
    06-14-2010, 03:15 PM Go to last post
  9. RTAA manual reset alarm ?

    Started by coolerinfrederick, 06-13-2010 08:07 PM
    • Replies: 7
    • Views: 1,147
    06-14-2010, 01:50 AM Go to last post
  10. trane intellepak

    Started by free cooling, 06-11-2010 10:26 PM
    • Replies: 8
    • Views: 981
    06-14-2010, 01:15 AM Go to last post
  11. High Head Pressure? What have I gotten myself into!

    Started by ZeroTolerance, 05-17-2010 10:22 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 7,061
    06-13-2010, 11:33 PM Go to last post
  12. Carrier Constant Air Voulme A/C Problem

    Started by mcewans, 06-08-2010 07:46 PM
    • Replies: 4
    • Views: 828
    06-13-2010, 07:52 PM Go to last post
  13. copeland engineering manual

    Started by supertek65, 06-12-2010 06:05 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 3,993
    06-13-2010, 12:35 PM Go to last post
  14. Hmm Whalen water source heat pumps

    Started by hvacsteve, 06-09-2010 08:32 PM
    • Replies: 6
    • Views: 1,705
    06-13-2010, 09:11 AM Go to last post
  15. Dehumidifying a commercial building

    Started by zer0, 06-12-2010 11:44 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,142
    06-13-2010, 08:45 AM Go to last post
  16. YORK RECIP CHILLER

    Started by svc, 06-12-2010 08:06 PM
    • Replies: 2
    • Views: 660
    06-13-2010, 07:44 AM Go to last post
  17. TR1 Series VFD

    Started by crow1, 05-09-2010 05:24 PM
    • Replies: 12
    • Views: 4,776
    06-13-2010, 01:31 AM Go to last post
  18. Sanyo mini-split

    Started by dave1234, 06-10-2010 11:38 PM
    • Replies: 2
    • Views: 2,358
    06-13-2010, 01:29 AM Go to last post
  19. Voyager Eats EAC motors

    Started by madhat, 06-12-2010 09:29 PM
    • Replies: 2
    • Views: 593
    06-12-2010, 09:42 PM Go to last post
  20. Trane Heat Pump

    Started by davemaldo, 06-12-2010 07:00 PM
    • Replies: 0
    • Views: 414
    06-12-2010, 07:00 PM Go to last post
  21. chw piping design ?

    Started by newbe0507, 06-11-2010 06:26 PM
    • Replies: 5
    • Views: 2,581
    06-12-2010, 05:09 PM Go to last post
  22. COPELAMETIC

    Started by supertek65, 06-11-2010 09:52 PM
    • Replies: 2
    • Views: 698
    06-12-2010, 04:24 PM Go to last post
  23. Trane Precedent ran backwards

    Started by Randy S., 06-12-2010 12:22 PM
    • Replies: 1
    • Views: 752
    06-12-2010, 01:23 PM Go to last post
    • Replies: 1
    • Views: 563
    06-12-2010, 12:09 PM Go to last post
  24. Please Help! School Project

    Started by ayn, 06-11-2010 08:50 PM
    • Replies: 7
    • Views: 739
    06-12-2010, 10:09 AM Go to last post
  25. Trying to decide - 13 vs 17 SEER and economizer

    Started by FargoGuy, 06-23-2008 12:55 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,378
    06-11-2010, 08:49 PM Go to last post
  26. Very Poor Air Circulation

    Started by CoolB, 06-11-2010 12:56 PM
    • Replies: 3
    • Views: 1,125
    06-11-2010, 08:49 PM Go to last post
  27. Loud Trane screw compressor

    Started by terpfan_, 06-03-2010 09:50 PM
    • Replies: 12
    • Views: 2,742
    06-11-2010, 02:02 AM Go to last post
  28. Bard w/Hotgass Bypass

    Started by rowen, 05-29-2010 10:24 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,491
    06-10-2010, 10:45 PM Go to last post
  29. Hmm retrofitting 410 handler to run on 22

    Started by rav555, 06-10-2010 05:51 PM
    r410, r410 coil to 22
    • Replies: 4
    • Views: 647
    06-10-2010, 10:43 PM Go to last post
  30. NEED HELP WITH TROUBLESHOOTING COMPRESSOR PLEASE.

    Started by BRYON MEYER, 06-08-2010 11:20 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,351
    06-10-2010, 02:52 PM Go to last post
  31. CVGF Manuals??

    Started by bertoh, 07-10-2008 02:54 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,099
    06-10-2010, 10:06 AM Go to last post
  32. York YCAJ Millenium Can't Change FL Amps

    Started by Fmech, 06-06-2010 05:35 PM
    • Replies: 6
    • Views: 1,318
    06-09-2010, 11:14 PM Go to last post
  33. Trane xdx valves

    Started by iron, 02-10-2009 03:22 PM
    • Replies: 4
    • Views: 2,672
    06-09-2010, 10:50 PM Go to last post
  34. Sq. D model 6 motor control center ?

    Started by newbe0507, 06-09-2010 05:28 PM
    • Replies: 1
    • Views: 616
    06-09-2010, 08:40 PM Go to last post
  35. Trane rooftop unit

    Started by narkom, 05-28-2010 04:04 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,725
    06-09-2010, 04:14 PM Go to last post
  36. Dual Pilot Boiler

    Started by dejomatic, 06-01-2010 09:44 AM
    • Replies: 2
    • Views: 672
    06-08-2010, 04:05 PM Go to last post
  37. Electric Furnace Needed

    Started by sgraefe, 06-07-2010 06:01 PM
    • Replies: 3
    • Views: 456
    06-08-2010, 12:21 PM Go to last post
  38. 20 ton WSHP ?

    Started by newbe0507, 06-05-2010 12:35 PM
    • Replies: 9
    • Views: 881
    06-07-2010, 10:47 PM Go to last post
  39. trane i pak vfd

    Started by mesahvac, 05-28-2010 06:48 PM
    • Replies: 6
    • Views: 1,299
    06-06-2010, 11:25 AM Go to last post
  40. Confused Rooftop Heat Pump Creative Wiring?

    Started by ApplianceTech9, 05-30-2010 11:12 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,644
    06-06-2010, 01:28 AM Go to last post
    • Replies: 7
    • Views: 2,815
    06-05-2010, 10:10 PM Go to last post
  41. 19XR oil leak from sight glass

    Started by consolidmech, 06-05-2010 12:12 AM
    • Replies: 2
    • Views: 649
    06-05-2010, 09:15 PM Go to last post
  42. compressor question

    Started by bsw52876, 06-02-2010 10:27 PM
    • Replies: 10
    • Views: 972
    06-05-2010, 08:24 PM Go to last post
  43. AC UNIT FAILURES :-(

    Started by tiaochiyu, 06-01-2010 08:20 PM
    • Replies: 5
    • Views: 753
    06-05-2010, 04:42 PM Go to last post
  44. What is a "VFD Dew Prevention" on a chiller

    Started by hvac399, 06-02-2010 06:49 PM
    • Replies: 3
    • Views: 856
    06-05-2010, 12:33 PM Go to last post
  45. Trane Voyager

    Started by commloss, 06-04-2010 09:09 PM
    • Replies: 2
    • Views: 640
    06-04-2010, 11:16 PM Go to last post
  46. Question R500 TEV W/R22 COND UNIT

    Started by mrhvacmechanic, 06-01-2010 10:45 PM
    • Replies: 6
    • Views: 1,213
    06-04-2010, 10:56 PM Go to last post
  47. Alcatel-Lucent data room cooling system.

    Started by Randy S., 05-29-2010 01:23 PM
    • Replies: 6
    • Views: 878
    06-04-2010, 09:13 PM Go to last post
  48. XD chiller question

    Started by The Doctor, 06-03-2010 09:25 PM
    • Replies: 2
    • Views: 469
    06-03-2010, 11:00 PM Go to last post
  49. YORK Y-DTJ-76

    Started by chillerguru, 06-03-2010 01:13 AM
    • Replies: 5
    • Views: 683
    06-03-2010, 10:11 PM Go to last post

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