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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: 12,009
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,332
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Alternative air deflectors for 24x24 t-bar diffusers?

    Started by Irascible, 09-21-2009 03:36 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 6,567
    10-02-2009, 12:59 PM Go to last post
  3. enthalpy wheel

    Started by air2spare, 09-28-2009 10:24 PM
    • Replies: 12
    • Views: 2,003
    10-02-2009, 11:52 AM Go to last post
  4. Condensate traps

    Started by marter, 09-23-2009 08:00 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,319
    10-02-2009, 02:18 AM Go to last post
  5. ??? external equalizer on a TXV

    Started by 714, 09-25-2009 10:38 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 4,037
    10-01-2009, 09:14 AM Go to last post
  6. HELP CLO IS KILLIN ME

    Started by weig, 09-15-2009 08:04 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 3,214
    10-01-2009, 09:06 AM Go to last post
  7. Arcoaire

    Started by mirfgtech, 09-30-2009 06:00 PM
    • Replies: 5
    • Views: 1,806
    10-01-2009, 07:24 AM Go to last post
  8. High suction pressure caused by humidity?

    Started by doozer, 09-30-2009 10:17 AM
    • Replies: 3
    • Views: 2,305
    09-30-2009, 10:00 PM Go to last post
  9. York open Drive Screw

    Started by bigger b, 09-23-2009 09:25 AM
    • Replies: 4
    • Views: 876
    09-30-2009, 05:24 PM Go to last post
  10. Half full bottles of 407c EVERYWHERE!

    Started by MikeTx7, 09-04-2009 12:31 AM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 7,579
    09-30-2009, 02:53 PM Go to last post
  11. Airflow Company Info

    Started by kpaul, 08-28-2007 12:51 PM
    • Replies: 11
    • Views: 10,035
    09-30-2009, 01:39 PM Go to last post
  12. Copeland Digital Scroll question

    Started by drivewizard, 09-21-2009 11:58 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,693
    09-30-2009, 12:24 PM Go to last post
  13. Dehumidifier Help

    Started by newgage, 09-30-2009 08:30 AM
    • Replies: 0
    • Views: 579
    09-30-2009, 08:30 AM Go to last post
  14. refrigerant leak checking

    Started by al o, 09-18-2009 08:47 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 6,848
    09-29-2009, 10:34 PM Go to last post
  15. Angry no superheat

    Started by nichvac, 09-21-2009 10:26 PM
    • Replies: 9
    • Views: 1,473
    09-29-2009, 08:30 PM Go to last post
  16. R410A scroll - Hole repair

    Started by dd98724, 09-08-2009 04:15 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,297
    09-29-2009, 06:20 PM Go to last post
  17. adding glycol

    Started by jim4237, 09-29-2009 10:20 AM
    • Replies: 2
    • Views: 1,315
    09-29-2009, 01:23 PM Go to last post
  18. Hmm Dilemma: Faulty compressor suction & discharve valves

    Started by crised, 09-25-2009 06:20 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,456
    09-29-2009, 06:57 AM Go to last post
  19. Liquid line sweating

    Started by etheric999, 09-22-2009 10:29 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 6,001
    09-28-2009, 08:50 PM Go to last post
  20. york rtu

    Started by oldtimer2, 09-28-2009 04:55 PM
    • Replies: 1
    • Views: 922
    09-28-2009, 07:37 PM Go to last post
  21. Chiller 30GTN080, Danfoss Oil Switch

    Started by crised, 09-23-2009 04:36 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,853
    09-28-2009, 05:39 PM Go to last post
  22. YCAL EEV problems

    Started by chillrdude, 06-18-2009 06:32 PM
    • Replies: 7
    • Views: 3,389
    09-28-2009, 02:34 PM Go to last post
  23. Chiller water flow

    Started by expetroman, 09-27-2009 09:18 PM
    • Replies: 2
    • Views: 1,082
    09-27-2009, 10:04 PM Go to last post
  24. VAV Question

    Started by anacdoctor, 09-25-2009 05:12 PM
    • Replies: 5
    • Views: 996
    09-27-2009, 11:04 AM Go to last post
  25. York package unit

    Started by air2spare, 09-17-2009 07:37 PM
    • Replies: 4
    • Views: 1,551
    09-26-2009, 08:56 AM Go to last post
  26. High pressure on liquid side

    Started by repairtech1, 09-24-2009 07:44 AM
    • Replies: 11
    • Views: 3,994
    09-25-2009, 08:20 PM Go to last post
  27. Pneumatics

    Started by Milk man, 09-16-2009 11:52 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,918
    09-25-2009, 06:50 PM Go to last post
  28. Oil Dif Pressure Switch HK06UC011

    Started by crised, 09-23-2009 10:11 PM
    • Replies: 2
    • Views: 2,446
    09-24-2009, 06:14 PM Go to last post
  29. IT Room Unit Sizing

    Started by smokies, 09-21-2009 06:46 PM
    • Replies: 2
    • Views: 1,212
    09-24-2009, 03:01 PM Go to last post
  30. 48TCEB06A2A Carrier RTU

    Started by HvAckid82, 09-08-2009 04:57 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,817
    09-23-2009, 09:41 PM Go to last post
  31. Reliatel Economizer

    Started by nchvac, 09-23-2009 03:14 PM
    • Replies: 2
    • Views: 1,104
    09-23-2009, 08:04 PM Go to last post
  32. 06D Carlyle with broken crank balancer

    Started by powerup, 09-23-2009 06:15 PM
    • Replies: 0
    • Views: 600
    09-23-2009, 06:15 PM Go to last post
  33. Eliminating economizer 0n Trane RTU

    Started by mechmike2, 09-17-2009 05:17 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 4,003
    09-22-2009, 04:23 PM Go to last post
  34. CHI-Sage systems

    Started by poppop, 09-15-2009 08:38 PM
    • Replies: 4
    • Views: 1,075
    09-22-2009, 01:10 PM Go to last post
  35. Sheet Metal Offset

    Started by knated, 09-22-2009 01:04 AM
    • Replies: 2
    • Views: 2,679
    09-22-2009, 06:25 AM Go to last post
    • Replies: 3
    • Views: 721
    09-21-2009, 09:28 PM Go to last post
  36. Sectra

    Started by mdharris68, 09-21-2009 03:18 PM
    • Replies: 0
    • Views: 592
    09-21-2009, 03:18 PM Go to last post
  37. Exclamation Helium?

    Started by Octopus, 09-19-2009 03:09 PM
    • Replies: 9
    • Views: 1,727
    09-20-2009, 04:36 PM Go to last post
  38. Trane wiring diagram.

    Started by rossamorgan, 09-19-2009 08:27 AM
    • Replies: 3
    • Views: 4,001
    09-20-2009, 10:41 AM Go to last post
  39. Carrier Manuals

    Started by ulthvac, 05-20-2005 10:46 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 9,479
    09-20-2009, 08:59 AM Go to last post
  40. Harmonics crack in RTU discharge line

    Started by tipsrfine, 09-11-2009 03:13 PM
    • Replies: 4
    • Views: 1,438
    09-19-2009, 07:58 PM Go to last post
  41. Confused Trane--RTU-Package Gas and DX-Cool

    Started by hvactech80, 09-17-2009 08:16 PM
    • Replies: 4
    • Views: 2,553
    09-19-2009, 07:00 PM Go to last post
  42. Outside Air Intake Snow Melting

    Started by paultg, 09-16-2009 03:02 PM
    • Replies: 4
    • Views: 3,163
    09-18-2009, 07:33 PM Go to last post
  43. What major cause for CHHC Compressor motor burnout

    Started by pete_d, 09-16-2009 03:04 PM
    • Replies: 2
    • Views: 3,732
    09-18-2009, 06:43 PM Go to last post
  44. swimming pool dehum

    Started by barty, 09-10-2009 10:36 AM
    • Replies: 5
    • Views: 1,426
    09-18-2009, 02:15 PM Go to last post
  45. 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: 5,453
    09-17-2009, 02:30 PM Go to last post
  46. On-site Combustion Blower Wheel Balancing?

    Started by beckmech, 11-06-2008 07:38 PM
    • Replies: 6
    • Views: 3,388
    09-17-2009, 10:00 AM Go to last post
  47. AirSide Economizer

    Started by JayIS, 09-08-2009 08:10 PM
    • Replies: 11
    • Views: 2,915
    09-17-2009, 12:27 AM Go to last post
  48. RTU Life expectancy per region

    Started by matt huber, 09-15-2009 01:45 PM
    • Replies: 2
    • Views: 4,035
    09-17-2009, 12:19 AM Go to last post
  49. YR slide valve problem

    Started by chillguy, 09-15-2009 05:38 PM
    • Replies: 7
    • Views: 2,181
    09-16-2009, 09:43 PM Go to last post
  50. Mcquay Dampers

    Started by mainemech, 10-03-2005 04:40 PM
    • Replies: 9
    • Views: 2,453
    09-16-2009, 02:37 PM Go to last post

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