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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: 11,907
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,277
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. York open Drive Screw

    Started by bigger b, 09-23-2009 09:25 AM
    • Replies: 4
    • Views: 841
    09-30-2009, 05:24 PM Go to last post
  3. Half full bottles of 407c EVERYWHERE!

    Started by MikeTx7, 09-04-2009 12:31 AM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 7,325
    09-30-2009, 02:53 PM Go to last post
  4. Airflow Company Info

    Started by kpaul, 08-28-2007 12:51 PM
    • Replies: 11
    • Views: 9,927
    09-30-2009, 01:39 PM Go to last post
  5. Copeland Digital Scroll question

    Started by drivewizard, 09-21-2009 11:58 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,504
    09-30-2009, 12:24 PM Go to last post
  6. Dehumidifier Help

    Started by newgage, 09-30-2009 08:30 AM
    • Replies: 0
    • Views: 567
    09-30-2009, 08:30 AM Go to last post
  7. refrigerant leak checking

    Started by al o, 09-18-2009 08:47 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 6,597
    09-29-2009, 10:34 PM Go to last post
  8. Angry no superheat

    Started by nichvac, 09-21-2009 10:26 PM
    • Replies: 9
    • Views: 1,413
    09-29-2009, 08:30 PM Go to last post
  9. R410A scroll - Hole repair

    Started by dd98724, 09-08-2009 04:15 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,149
    09-29-2009, 06:20 PM Go to last post
  10. adding glycol

    Started by jim4237, 09-29-2009 10:20 AM
    • Replies: 2
    • Views: 1,295
    09-29-2009, 01:23 PM Go to last post
  11. Hmm Dilemma: Faulty compressor suction & discharve valves

    Started by crised, 09-25-2009 06:20 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,347
    09-29-2009, 06:57 AM Go to last post
  12. Liquid line sweating

    Started by etheric999, 09-22-2009 10:29 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 5,631
    09-28-2009, 08:50 PM Go to last post
  13. york rtu

    Started by oldtimer2, 09-28-2009 04:55 PM
    • Replies: 1
    • Views: 906
    09-28-2009, 07:37 PM Go to last post
  14. Chiller 30GTN080, Danfoss Oil Switch

    Started by crised, 09-23-2009 04:36 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,706
    09-28-2009, 05:39 PM Go to last post
  15. YCAL EEV problems

    Started by chillrdude, 06-18-2009 06:32 PM
    • Replies: 7
    • Views: 3,287
    09-28-2009, 02:34 PM Go to last post
  16. Chiller water flow

    Started by expetroman, 09-27-2009 09:18 PM
    • Replies: 2
    • Views: 1,065
    09-27-2009, 10:04 PM Go to last post
  17. VAV Question

    Started by anacdoctor, 09-25-2009 05:12 PM
    • Replies: 5
    • Views: 950
    09-27-2009, 11:04 AM Go to last post
  18. York package unit

    Started by air2spare, 09-17-2009 07:37 PM
    • Replies: 4
    • Views: 1,514
    09-26-2009, 08:56 AM Go to last post
  19. High pressure on liquid side

    Started by repairtech1, 09-24-2009 07:44 AM
    • Replies: 11
    • Views: 3,896
    09-25-2009, 08:20 PM Go to last post
  20. Pneumatics

    Started by Milk man, 09-16-2009 11:52 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,797
    09-25-2009, 06:50 PM Go to last post
  21. Oil Dif Pressure Switch HK06UC011

    Started by crised, 09-23-2009 10:11 PM
    • Replies: 2
    • Views: 2,433
    09-24-2009, 06:14 PM Go to last post
  22. IT Room Unit Sizing

    Started by smokies, 09-21-2009 06:46 PM
    • Replies: 2
    • Views: 1,193
    09-24-2009, 03:01 PM Go to last post
  23. 48TCEB06A2A Carrier RTU

    Started by HvAckid82, 09-08-2009 04:57 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,686
    09-23-2009, 09:41 PM Go to last post
  24. Reliatel Economizer

    Started by nchvac, 09-23-2009 03:14 PM
    • Replies: 2
    • Views: 1,094
    09-23-2009, 08:04 PM Go to last post
  25. 06D Carlyle with broken crank balancer

    Started by powerup, 09-23-2009 06:15 PM
    • Replies: 0
    • Views: 585
    09-23-2009, 06:15 PM Go to last post
  26. Eliminating economizer 0n Trane RTU

    Started by mechmike2, 09-17-2009 05:17 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,878
    09-22-2009, 04:23 PM Go to last post
  27. CHI-Sage systems

    Started by poppop, 09-15-2009 08:38 PM
    • Replies: 4
    • Views: 1,046
    09-22-2009, 01:10 PM Go to last post
  28. Sheet Metal Offset

    Started by knated, 09-22-2009 01:04 AM
    • Replies: 2
    • Views: 2,656
    09-22-2009, 06:25 AM Go to last post
    • Replies: 3
    • Views: 689
    09-21-2009, 09:28 PM Go to last post
  29. Sectra

    Started by mdharris68, 09-21-2009 03:18 PM
    • Replies: 0
    • Views: 594
    09-21-2009, 03:18 PM Go to last post
  30. Exclamation Helium?

    Started by Octopus, 09-19-2009 03:09 PM
    • Replies: 9
    • Views: 1,655
    09-20-2009, 04:36 PM Go to last post
  31. Trane wiring diagram.

    Started by rossamorgan, 09-19-2009 08:27 AM
    • Replies: 3
    • Views: 3,974
    09-20-2009, 10:41 AM Go to last post
  32. Carrier Manuals

    Started by ulthvac, 05-20-2005 10:46 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 9,488
    09-20-2009, 08:59 AM Go to last post
  33. Harmonics crack in RTU discharge line

    Started by tipsrfine, 09-11-2009 03:13 PM
    • Replies: 4
    • Views: 1,403
    09-19-2009, 07:58 PM Go to last post
  34. Confused Trane--RTU-Package Gas and DX-Cool

    Started by hvactech80, 09-17-2009 08:16 PM
    • Replies: 4
    • Views: 2,510
    09-19-2009, 07:00 PM Go to last post
  35. Outside Air Intake Snow Melting

    Started by paultg, 09-16-2009 03:02 PM
    • Replies: 4
    • Views: 3,155
    09-18-2009, 07:33 PM Go to last post
  36. What major cause for CHHC Compressor motor burnout

    Started by pete_d, 09-16-2009 03:04 PM
    • Replies: 2
    • Views: 3,720
    09-18-2009, 06:43 PM Go to last post
  37. swimming pool dehum

    Started by barty, 09-10-2009 10:36 AM
    • Replies: 5
    • Views: 1,381
    09-18-2009, 02:15 PM Go to last post
  38. strange VAV box noise from damper seals

    Started by ce3845, 09-14-2009 03:07 PM
    demand controlled ventilation, leed, noise, vav
    • Replies: 11
    • Views: 5,384
    09-17-2009, 02:30 PM Go to last post
  39. On-site Combustion Blower Wheel Balancing?

    Started by beckmech, 11-06-2008 07:38 PM
    • Replies: 6
    • Views: 3,327
    09-17-2009, 10:00 AM Go to last post
  40. AirSide Economizer

    Started by JayIS, 09-08-2009 08:10 PM
    • Replies: 11
    • Views: 2,836
    09-17-2009, 12:27 AM Go to last post
  41. RTU Life expectancy per region

    Started by matt huber, 09-15-2009 01:45 PM
    • Replies: 2
    • Views: 3,997
    09-17-2009, 12:19 AM Go to last post
  42. YR slide valve problem

    Started by chillguy, 09-15-2009 05:38 PM
    • Replies: 7
    • Views: 2,139
    09-16-2009, 09:43 PM Go to last post
  43. Mcquay Dampers

    Started by mainemech, 10-03-2005 04:40 PM
    • Replies: 9
    • Views: 2,438
    09-16-2009, 02:37 PM Go to last post
  44. Help on deciphering PGDA060 by McQuay

    Started by Eric Dunn, 09-16-2009 09:51 AM
    • Replies: 4
    • Views: 1,577
    09-16-2009, 10:05 AM Go to last post
  45. Trane TWE120

    Started by dgruber, 09-11-2009 01:32 PM
    • Replies: 10
    • Views: 4,386
    09-15-2009, 10:21 PM Go to last post
  46. Need Trane wiring diagram

    Started by klrogers, 09-15-2009 05:05 PM
    • Replies: 5
    • Views: 2,624
    09-15-2009, 09:56 PM Go to last post
  47. mystery item on RTU. Have y'all seen this?

    Started by The Doctor, 06-22-2009 06:43 AM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 6,064
    09-15-2009, 06:57 PM Go to last post
  48. Old Johnson control valves

    Started by digital, 09-10-2009 02:09 PM
    controls, valves
    • Replies: 4
    • Views: 3,686
    09-15-2009, 02:16 PM Go to last post
  49. Trane RTU and programmable zone sensor

    Started by ericogles, 09-10-2009 03:15 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,981
    09-14-2009, 11:49 PM Go to last post
  50. Confused commercial HVAC career choice

    Started by cyzpro, 09-08-2009 06:15 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 4,738
    09-14-2009, 09:56 PM Go to last post

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