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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: 12,493
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,700
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Compressor operating in a vacuum

    Started by juststartin, 06-13-2011 05:32 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 4,491
    06-30-2011, 11:41 PM Go to last post
  3. AAON Dehum question

    Started by dmd-marc, 06-28-2011 10:38 PM
    • Replies: 5
    • Views: 2,041
    06-30-2011, 09:20 PM Go to last post
  4. Question Flex in grease duct

    Started by Olycoley, 02-28-2007 06:45 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 10,906
    06-30-2011, 03:07 PM Go to last post
  5. United CoolAir - Too Expensive?

    Started by klabkebash, 01-17-2008 11:02 AM
    • Replies: 3
    • Views: 2,175
    06-30-2011, 11:25 AM Go to last post
  6. York AHU Question

    Started by apprentice3, 06-28-2011 10:11 PM
    • Replies: 3
    • Views: 1,288
    06-30-2011, 07:14 AM Go to last post
  7. Recold Coil Info

    Started by andersonserv, 06-29-2011 12:35 PM
    • Replies: 1
    • Views: 852
    06-30-2011, 02:43 AM Go to last post
  8. Raised floor

    Started by ACFIXR, 05-19-2011 12:32 AM
    • Replies: 12
    • Views: 2,920
    06-29-2011, 11:14 PM Go to last post
  9. bdp air conditioner won't start

    Started by cheeseman, 06-29-2011 05:26 PM
    • Replies: 4
    • Views: 1,557
    06-29-2011, 10:02 PM Go to last post
  10. Kitch ex duct grease leak

    Started by enthalpy, 06-29-2011 06:46 AM
    • Replies: 10
    • Views: 4,251
    06-29-2011, 09:18 PM Go to last post
  11. Unhappy ABOVE AIR TECHNOLOGIES UNIT INFO

    Started by mrhvacmechanic, 06-29-2011 06:54 PM
    • Replies: 0
    • Views: 1,707
    06-29-2011, 06:54 PM Go to last post
  12. Carrier Air Handler

    Started by HvAckid82, 06-28-2011 06:53 AM
    • Replies: 3
    • Views: 960
    06-29-2011, 05:41 PM Go to last post
  13. 3 phase motor winding resistance

    Started by mjm88, 06-23-2011 07:57 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 12,720
    06-29-2011, 05:10 PM Go to last post
  14. Cost of Mitsubishi City Multi

    Started by pedalnyc, 06-28-2011 10:28 PM
    • Replies: 3
    • Views: 2,075
    06-29-2011, 02:49 PM Go to last post
  15. Trane Compressors Junk? You decide!

    Started by dchrbac, 07-15-2004 11:28 PM
    5 Pages
    1 2 3 4 5
    • Replies: 56
    • Views: 19,982
    06-28-2011, 11:53 PM Go to last post
  16. TED600_Trane

    Started by dandyme, 06-28-2011 08:56 PM
    • Replies: 0
    • Views: 1,199
    06-28-2011, 08:56 PM Go to last post
  17. High failure rate on Cad cells

    Started by raharra, 06-25-2011 11:57 PM
    • Replies: 6
    • Views: 1,676
    06-28-2011, 08:21 PM Go to last post
  18. compressor bad ?

    Started by jfchenoweth, 06-28-2011 04:13 PM
    • Replies: 4
    • Views: 995
    06-28-2011, 08:12 PM Go to last post
  19. RSES training

    Started by HvAckid82, 06-28-2011 03:06 PM
    • Replies: 2
    • Views: 1,101
    06-28-2011, 04:06 PM Go to last post
  20. Where to sell 30 Ton Lieberts

    Started by LiebertSales, 06-28-2011 02:58 PM
    buy, flow, glycols, liebert, ton
    • Replies: 1
    • Views: 868
    06-28-2011, 03:00 PM Go to last post
    • Replies: 7
    • Views: 16,804
    06-28-2011, 01:34 PM Go to last post
  21. Red face Trane TRAC Cond. Fan VFD boards.....

    Started by Mongo and me, 06-26-2011 10:10 PM
    • Replies: 6
    • Views: 1,501
    06-28-2011, 06:15 AM Go to last post
  22. Trane That Eats Blowers

    Started by Samuel Rock, 06-21-2011 11:09 PM
    • Replies: 7
    • Views: 1,440
    06-27-2011, 11:10 PM Go to last post
  23. Trane condenser cleaning

    Started by hands, 06-27-2011 06:35 PM
    • Replies: 3
    • Views: 3,053
    06-27-2011, 11:04 PM Go to last post
  24. carrier 48tje006--311ga

    Started by roadkingmike, 06-27-2011 09:06 PM
    • Replies: 2
    • Views: 2,948
    06-27-2011, 10:10 PM Go to last post
  25. 19xrv oil heater seal ring

    Started by hvac1966, 06-18-2011 08:39 AM
    • Replies: 2
    • Views: 715
    06-27-2011, 09:44 PM Go to last post
  26. Frick Recip

    Started by gman994, 06-27-2011 09:11 PM
    • Replies: 0
    • Views: 813
    06-27-2011, 09:11 PM Go to last post
  27. Exclamation RTAC leaking

    Started by chillerfixer, 08-01-2009 01:08 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 7,273
    06-27-2011, 07:55 PM Go to last post
  28. Condenser fins

    Started by bwd111, 06-27-2011 12:21 PM
    • Replies: 1
    • Views: 1,196
    06-27-2011, 01:09 PM Go to last post
  29. Whole House Humidifier

    Started by Gib's Son, 06-27-2011 09:38 AM
    • Replies: 1
    • Views: 691
    06-27-2011, 11:23 AM Go to last post
  30. Commercial PM Task Sheets

    Started by beezer23, 06-23-2011 12:49 PM
    • Replies: 11
    • Views: 4,659
    06-27-2011, 10:02 AM Go to last post
  31. ventilation system cost - hot air above walkin cooler

    Started by zeppy, 06-26-2011 02:13 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,317
    06-27-2011, 07:29 AM Go to last post
  32. Sanyo mini split?

    Started by fitzyfitta, 06-22-2011 05:56 PM
    • Replies: 7
    • Views: 2,457
    06-26-2011, 11:02 PM Go to last post
  33. Trane VAVs in pressure dependent mode

    Started by JohnHo55, 06-14-2011 09:50 PM
    • Replies: 5
    • Views: 2,961
    06-26-2011, 09:15 PM Go to last post
  34. flex duct

    Started by darrin, 06-24-2011 05:43 AM
    flex, return
    • Replies: 5
    • Views: 1,561
    06-26-2011, 07:56 AM Go to last post
  35. Txv

    Started by jfchenoweth, 06-23-2011 10:30 AM
    • Replies: 6
    • Views: 1,203
    06-25-2011, 05:26 PM Go to last post
  36. Locked Compressor Opinion

    Started by mud99, 06-21-2011 01:11 PM
    • Replies: 11
    • Views: 6,320
    06-25-2011, 11:11 AM Go to last post
  37. 3 stages, same pressures, different subcooling

    Started by mcairrepair, 06-23-2011 06:09 PM
    • Replies: 10
    • Views: 1,597
    06-25-2011, 09:56 AM Go to last post
  38. 19xr chiller low oil pressure problem

    Started by consolidmech, 06-23-2011 09:56 AM
    • Replies: 4
    • Views: 3,656
    06-25-2011, 09:45 AM Go to last post
  39. old miss-match Bahnson

    Started by PJ's cool-aid, 06-24-2011 12:11 PM
    • Replies: 0
    • Views: 548
    06-24-2011, 12:11 PM Go to last post
  40. secondary market for new HVAC

    Started by suzysmith, 06-13-2011 12:56 PM
    • Replies: 4
    • Views: 1,020
    06-24-2011, 10:39 AM Go to last post
  41. carrier 40gxm018

    Started by pat at imperial, 06-23-2011 05:22 PM
    • Replies: 1
    • Views: 979
    06-24-2011, 10:29 AM Go to last post
  42. Supply Air Temp Setpoints and Humidity Control

    Started by thrashme, 06-19-2011 08:46 PM
    • Replies: 6
    • Views: 1,448
    06-23-2011, 10:45 PM Go to last post
  43. carrier motormaster

    Started by fitzyfitta, 06-23-2011 08:49 PM
    • Replies: 2
    • Views: 3,911
    06-23-2011, 09:55 PM Go to last post
  44. Trane on Metasys

    Started by generaltech1, 06-23-2011 09:26 PM
    • Replies: 2
    • Views: 1,097
    06-23-2011, 09:45 PM Go to last post
  45. Commercial carrier rooftop unit

    Started by freezerburn2010, 06-10-2011 09:09 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,996
    06-23-2011, 08:31 PM Go to last post
  46. TRANE Air Cooled Scroll Chiller

    Started by rana7975, 06-08-2011 11:59 AM
    • Replies: 2
    • Views: 972
    06-23-2011, 07:51 PM Go to last post
  47. How are unit static pressure is REALLY selected?

    Started by OVOleg, 05-16-2011 02:06 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 6,663
    06-23-2011, 07:29 PM Go to last post
  48. Cooling capacity and air temperature relationship

    Started by Samart, 06-23-2011 02:19 AM
    • Replies: 1
    • Views: 1,224
    06-23-2011, 05:41 PM Go to last post
  49. Confused Absorber Question

    Started by generalforeman, 06-22-2011 10:27 AM
    • Replies: 4
    • Views: 786
    06-23-2011, 08:09 AM Go to last post
  50. McQuay PEH126 loads very slow

    Started by TPmaker, 06-21-2011 07:57 AM
    • Replies: 3
    • Views: 1,093
    06-23-2011, 07:27 AM Go to last post

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