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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: 4,258
    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: 3,552
    10-31-2011, 07:37 PM Go to last post
  1. What is a Barametric Relief Damper on a Packaged System?

    Started by DavidNJ, 09-10-2010 07:27 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 7,216
    09-21-2010, 06:25 PM Go to last post
  2. Trane VV550/551 VAV Controller

    Started by Captaintrip739, 09-21-2010 10:19 AM
    • Replies: 2
    • Views: 1,068
    09-21-2010, 05:49 PM Go to last post
  3. Replacing Carrier 48HD RTU's

    Started by the blur, 09-21-2010 01:29 AM
    • Replies: 5
    • Views: 1,963
    09-21-2010, 02:32 PM Go to last post
  4. Trane Techview

    Started by licensed to chill, 01-23-2009 04:18 PM
    • Replies: 11
    • Views: 4,765
    09-21-2010, 09:37 AM Go to last post
  5. Traps for remote condensers

    Started by Texas-Tech, 09-20-2010 07:27 PM
    • Replies: 4
    • Views: 546
    09-21-2010, 07:29 AM Go to last post
  6. Reducing pipe size along the length

    Started by jabba87, 09-21-2010 04:10 AM
    • Replies: 0
    • Views: 705
    09-21-2010, 04:10 AM Go to last post
  7. Data Center A/C system :D

    Started by My77GMC, 09-17-2010 12:54 AM
    • Replies: 9
    • Views: 1,615
    09-21-2010, 01:01 AM Go to last post
  8. Cpc tranducer valve

    Started by copperman, 09-20-2010 11:11 PM
    • Replies: 0
    • Views: 346
    09-20-2010, 11:11 PM Go to last post
  9. RTAA340

    Started by chiller123, 09-17-2010 09:58 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,422
    09-20-2010, 10:06 PM Go to last post
  10. LENNOX 2 SPEED COMPRESSORS

    Started by DHAMPTON, 09-16-2010 11:14 PM
    • Replies: 5
    • Views: 1,214
    09-20-2010, 09:38 PM Go to last post
    • Replies: 9
    • Views: 1,796
    09-20-2010, 07:46 PM Go to last post
  11. Maintaining equipment properly

    Started by fwildt, 09-20-2010 03:03 PM
    • Replies: 1
    • Views: 555
    09-20-2010, 04:28 PM Go to last post
  12. fail compressor again

    Started by dave sulz, 09-10-2010 11:13 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,922
    09-20-2010, 11:03 AM Go to last post
  13. Trane BWC

    Started by comeaudale, 03-05-2009 09:29 AM
    • Replies: 4
    • Views: 3,089
    09-20-2010, 08:08 AM Go to last post
  14. Severely damaged coils

    Started by FLTUDITECH, 09-05-2010 07:10 PM
    • Replies: 6
    • Views: 966
    09-19-2010, 11:14 PM Go to last post
  15. txv troubleshooting

    Started by hvac17011, 07-02-2004 10:38 PM
    • Replies: 12
    • Views: 11,014
    09-19-2010, 08:33 PM Go to last post
  16. Manatowoc Ice Machines

    Started by bikerbob2, 09-18-2010 08:55 AM
    • Replies: 6
    • Views: 744
    09-19-2010, 12:31 PM Go to last post
  17. rooftop trane

    Started by aircent1, 09-09-2010 12:04 AM
    • Replies: 10
    • Views: 1,388
    09-18-2010, 10:38 PM Go to last post
  18. Red face Can the testo 550 take a 45bar HP trip test?

    Started by CoolFox, 09-17-2010 12:09 PM
    • Replies: 4
    • Views: 662
    09-18-2010, 10:23 AM Go to last post
  19. copper fin chilled water coil

    Started by sporter7567, 09-17-2010 03:35 PM
    • Replies: 4
    • Views: 611
    09-17-2010, 10:17 PM Go to last post
    • Replies: 11
    • Views: 958
    09-17-2010, 10:54 AM Go to last post
  20. Confused Older Trane Varitrac Control

    Started by nuclear rabbit, 09-07-2010 06:09 PM
    • Replies: 4
    • Views: 2,135
    09-16-2010, 08:34 AM Go to last post
  21. Temperature changes Full Load Amps?

    Started by huckleberryjay, 09-14-2010 04:22 PM
    • Replies: 9
    • Views: 1,503
    09-16-2010, 05:11 AM Go to last post
  22. Confused Aaon gas pack prob.

    Started by Lance06, 09-15-2010 06:57 PM
    2 Pages
    1 2
    aaon
    • Replies: 18
    • Views: 2,531
    09-15-2010, 10:41 PM Go to last post
  23. Best way to unclog/change out orifice?

    Started by mcairrepair, 09-15-2010 02:02 PM
    • Replies: 3
    • Views: 864
    09-15-2010, 10:30 PM Go to last post
  24. Angry asking for 30GTN060-920 manual

    Started by elshoubry, 06-29-2006 03:15 AM
    • Replies: 7
    • Views: 2,841
    09-15-2010, 10:10 PM Go to last post
  25. help please

    Started by tommymtp, 09-15-2010 07:31 PM
    • Replies: 7
    • Views: 531
    09-15-2010, 09:33 PM Go to last post
  26. old as dirt

    Started by bw5079, 09-15-2010 02:30 PM
    • Replies: 3
    • Views: 1,445
    09-15-2010, 06:47 PM Go to last post
  27. Feasibility

    Started by piklikl, 09-09-2010 11:23 AM
    ductless, mini split, retrofit, steam
    • Replies: 12
    • Views: 1,659
    09-15-2010, 06:01 PM Go to last post
  28. Confused Why Precedent drier so undersized?

    Started by Randy S., 09-04-2010 11:38 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,440
    09-15-2010, 03:40 PM Go to last post
  29. Rooftop Trane leaking again:gah:

    Started by luskys a/c, 09-08-2010 12:29 AM
    • Replies: 9
    • Views: 1,291
    09-15-2010, 03:03 PM Go to last post
  30. Cigar store ventilation

    Started by cor b'limey, 09-15-2010 10:37 AM
    • Replies: 1
    • Views: 1,166
    09-15-2010, 10:49 AM Go to last post
  31. Series Fan Powered Box or Parallel?

    Started by davebab, 08-06-2007 11:39 AM
    • Replies: 5
    • Views: 9,417
    09-14-2010, 12:27 PM Go to last post
  32. How is the ventilation side controlled?

    Started by DavidNJ, 09-11-2010 09:45 AM
    • Replies: 7
    • Views: 1,527
    09-14-2010, 12:17 PM Go to last post
  33. Chiller piping is made by...?

    Started by eloko, 09-10-2010 08:40 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,612
    09-14-2010, 11:48 AM Go to last post
  34. mech unloader 06e

    Started by emdog, 09-06-2010 07:53 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,726
    09-13-2010, 02:32 PM Go to last post
  35. york chiller

    Started by Righttemp, 09-12-2010 11:10 PM
    • Replies: 2
    • Views: 631
    09-12-2010, 11:47 PM Go to last post
  36. Thermography

    Started by gillmanjr, 09-10-2010 11:22 AM
    • Replies: 3
    • Views: 808
    09-12-2010, 10:19 PM Go to last post
  37. ac problem

    Started by jaybee, 09-08-2010 06:34 PM
    • Replies: 7
    • Views: 695
    09-12-2010, 09:10 PM Go to last post
  38. carrier 19xrv

    Started by hvac1966, 09-11-2010 01:10 PM
    • Replies: 3
    • Views: 771
    09-12-2010, 05:24 PM Go to last post
  39. steam absorber

    Started by dish, 08-16-2010 01:17 PM
    • Replies: 5
    • Views: 1,695
    09-12-2010, 10:24 AM Go to last post
  40. Combustion fan running non-stop

    Started by postalizer, 09-05-2010 06:21 AM
    • Replies: 6
    • Views: 1,214
    09-11-2010, 09:13 PM Go to last post
  41. N30 VAV controllers 'offline'

    Started by zeppy, 09-11-2010 04:00 PM
    • Replies: 1
    • Views: 415
    09-11-2010, 04:20 PM Go to last post
  42. First Post: R410 Coil Question (Healthcare)

    Started by Ralphenstein, 09-08-2010 08:29 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,316
    09-10-2010, 11:04 AM Go to last post
  43. York chiller parts

    Started by mustardman, 09-08-2010 01:05 PM
    • Replies: 6
    • Views: 1,859
    09-10-2010, 12:01 AM Go to last post
  44. Can ya help a brother out?

    Started by toptech, 03-25-2009 01:11 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,339
    09-09-2010, 11:44 PM Go to last post
  45. High pressure problem

    Started by hands, 09-04-2010 09:55 AM
    • Replies: 6
    • Views: 1,132
    09-09-2010, 08:10 PM Go to last post
  46. vfd drives

    Started by john weigel, 09-09-2010 01:57 AM
    • Replies: 3
    • Views: 637
    09-09-2010, 05:58 PM Go to last post
  47. Ice Storage systems Info

    Started by stuckagain, 01-26-2010 11:08 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,956
    09-09-2010, 07:59 AM Go to last post
  48. This is a new one on me

    Started by navyhydronics, 09-05-2010 05:34 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,225
    09-08-2010, 09:45 PM Go to last post

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