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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: 9,633
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,408
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. VFD training

    Started by chillerguy81, 01-12-2009 08:42 PM
    • Replies: 8
    • Views: 2,512
    01-21-2009, 09:02 AM Go to last post
  3. Smile hi

    Started by raidersfan7, 01-20-2009 11:01 PM
    • Replies: 1
    • Views: 550
    01-21-2009, 02:09 AM Go to last post
  4. Compressor repairing

    Started by STANTEC, 08-26-2008 11:30 AM
    • Replies: 9
    • Views: 1,275
    01-20-2009, 11:02 PM Go to last post
  5. Confused 400 ton 19dm

    Started by turbovac, 01-17-2009 09:15 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,404
    01-20-2009, 06:30 PM Go to last post
  6. Talking about other companies.

    Started by tonyshelton, 01-10-2009 01:22 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,515
    01-20-2009, 12:37 PM Go to last post
  7. Carrier 19XR chiller oil heater leak

    Started by consolidmech, 01-19-2009 12:47 PM
    • Replies: 2
    • Views: 2,069
    01-19-2009, 10:41 PM Go to last post
  8. Basic design criteria Western PA??

    Started by jpsmith1cm, 01-16-2009 08:58 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,018
    01-19-2009, 10:39 PM Go to last post
  9. Liebert Mini Mate Problem

    Started by hands, 01-16-2009 09:13 PM
    • Replies: 12
    • Views: 3,680
    01-18-2009, 12:47 PM Go to last post
  10. Trane rooftop zoning questions

    Started by luv2cruiserccl, 01-14-2009 12:27 PM
    • Replies: 4
    • Views: 1,353
    01-18-2009, 10:26 AM Go to last post
  11. Non-Pleated filters - the Salt test

    Started by tonyshelton, 01-15-2009 08:11 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,638
    01-18-2009, 02:36 AM Go to last post
  12. 5 Ton Trane RTU Sooting/ need help

    Started by Freezeking2000, 01-16-2009 01:08 PM
    • Replies: 11
    • Views: 2,671
    01-17-2009, 11:04 PM Go to last post
  13. York D1SS240

    Started by FulhamSC, 01-14-2009 09:11 PM
    • Replies: 5
    • Views: 1,460
    01-17-2009, 07:30 PM Go to last post
  14. Cimco ice rink chiller

    Started by DITAW, 01-17-2009 12:05 PM
    • Replies: 0
    • Views: 911
    01-17-2009, 12:05 PM Go to last post
  15. Confused 2-pipe heating and cooling?

    Started by Delta Guy, 01-02-2009 06:37 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,921
    01-17-2009, 08:08 AM Go to last post
  16. RTAA Low Evap Temp Fault

    Started by mountainman, 01-13-2009 09:37 AM
    • Replies: 6
    • Views: 1,206
    01-17-2009, 01:18 AM Go to last post
  17. Why ammonia refrigeration system

    Started by hasni, 01-13-2009 06:26 AM
    • Replies: 6
    • Views: 1,240
    01-16-2009, 10:39 PM Go to last post
  18. Reliatel weirdness

    Started by hvac_czar, 02-08-2008 06:24 PM
    • Replies: 10
    • Views: 1,289
    01-16-2009, 07:07 PM Go to last post
  19. Duct Sizes

    Started by wspascoe, 01-15-2009 09:48 PM
    • Replies: 5
    • Views: 3,274
    01-16-2009, 06:42 PM Go to last post
  20. LaSalle Air Handlers?

    Started by Engineer_Josh, 01-16-2009 06:05 PM
    • Replies: 0
    • Views: 1,477
    01-16-2009, 06:05 PM Go to last post
  21. Why no interest in these air filters?

    Started by tonyshelton, 01-09-2009 11:54 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 88
    • Views: 8,741
    01-16-2009, 05:21 PM Go to last post
  22. Cool 460 Volt 's/p' run capacitor 'question'

    Started by rnoel, 01-13-2009 09:01 PM
    • Replies: 11
    • Views: 3,180
    01-16-2009, 09:42 AM Go to last post
  23. Cool RTAA trips on Low Pressure Cutout

    Started by koolncali, 01-13-2009 09:51 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 4,268
    01-16-2009, 02:22 AM Go to last post
  24. VVT system installed - customer complaints

    Started by mk123, 01-08-2009 05:29 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 3,429
    01-15-2009, 11:30 PM Go to last post
  25. York water cooled screw issues

    Started by r404a, 07-31-2008 12:53 AM
    • Replies: 7
    • Views: 1,381
    01-15-2009, 08:16 PM Go to last post
  26. Question Electric Accessory Heat (for heat pump app)

    Started by michigan1, 01-14-2009 10:24 PM
    • Replies: 2
    • Views: 526
    01-15-2009, 06:45 PM Go to last post
  27. reliatel trane

    Started by jeep6275, 11-21-2007 10:24 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 6,610
    01-15-2009, 06:20 AM Go to last post
  28. Mc Quay Micro Tec 2 System

    Started by megohm, 01-14-2009 01:18 AM
    • Replies: 5
    • Views: 757
    01-15-2009, 01:04 AM Go to last post
  29. York YSC Oil Seal

    Started by megohm, 01-14-2009 01:36 AM
    • Replies: 2
    • Views: 686
    01-15-2009, 12:50 AM Go to last post
  30. Frown mccquay issues on mcb

    Started by raidersfan7, 01-14-2009 12:43 AM
    • Replies: 4
    • Views: 749
    01-14-2009, 10:57 PM Go to last post
  31. VAV terminal unit working

    Started by hasni, 01-13-2009 06:25 AM
    • Replies: 5
    • Views: 4,364
    01-14-2009, 03:21 PM Go to last post
  32. Change Tstat or improvise?

    Started by Tommy1010, 01-14-2009 08:15 AM
    • Replies: 2
    • Views: 634
    01-14-2009, 11:24 AM Go to last post
    • Replies: 0
    • Views: 431
    01-14-2009, 03:58 AM Go to last post
  33. Laminar & Turbulant Flow

    Started by hasni, 01-13-2009 06:29 AM
    • Replies: 10
    • Views: 862
    01-13-2009, 10:54 PM Go to last post
  34. screw compressor DX 29

    Started by oly77, 01-13-2009 08:26 PM
    • Replies: 1
    • Views: 573
    01-13-2009, 09:10 PM Go to last post
  35. TRANE CTV-SB-48 Needed

    Started by pete_d, 01-09-2009 01:43 PM
    • Replies: 3
    • Views: 1,224
    01-13-2009, 06:36 PM Go to last post
  36. Confused yk lowest oda temp or cond water temp

    Started by supertek65, 01-06-2009 09:33 PM
    • Replies: 9
    • Views: 1,127
    01-13-2009, 01:59 PM Go to last post
  37. Mcquay WDC087

    Started by crazedhick3, 01-12-2009 09:28 PM
    • Replies: 4
    • Views: 1,242
    01-13-2009, 01:56 PM Go to last post
  38. SPIRAL DUCT

    Started by dttx2222, 01-11-2009 01:51 AM
    • Replies: 11
    • Views: 5,642
    01-13-2009, 01:18 AM Go to last post
    • Replies: 1
    • Views: 1,178
    01-12-2009, 01:49 PM Go to last post
  39. McQuay info

    Started by duke717, 01-08-2009 06:01 AM
    • Replies: 5
    • Views: 2,134
    01-12-2009, 12:18 AM Go to last post
  40. Do you tape filters

    Started by tonyshelton, 01-10-2009 01:53 PM
    • Replies: 5
    • Views: 834
    01-11-2009, 08:12 PM Go to last post
  41. Lennox Wiring Diagram

    Started by edwardjw, 01-10-2009 06:55 PM
    • Replies: 2
    • Views: 1,458
    01-11-2009, 07:14 PM Go to last post
  42. Employment Application - DC Area

    Started by williamcongleto, 01-10-2009 10:52 AM
    • Replies: 4
    • Views: 580
    01-11-2009, 03:08 PM Go to last post
  43. MN-FLO3T controller balancing info

    Started by Tech Rob, 11-02-2008 05:05 PM
    • Replies: 2
    • Views: 1,293
    01-11-2009, 08:36 AM Go to last post
  44. Filter Type Questions

    Started by tonyshelton, 01-10-2009 11:04 AM
    • Replies: 1
    • Views: 594
    01-10-2009, 02:58 PM Go to last post
  45. York Chiller Size

    Started by CVHCR1, 10-30-2008 01:42 PM
    • Replies: 4
    • Views: 2,075
    01-10-2009, 01:32 PM Go to last post
  46. help wshp running in vacuume

    Started by marks14, 01-07-2009 10:44 PM
    • Replies: 5
    • Views: 760
    01-10-2009, 12:56 PM Go to last post
  47. any Carrier VVT experts out there

    Started by oldtimer2, 01-08-2009 11:59 PM
    • Replies: 5
    • Views: 765
    01-10-2009, 10:50 AM Go to last post
  48. Iced up evaporator

    Started by hvac2379, 07-25-2006 08:24 PM
    • Replies: 9
    • Views: 5,429
    01-10-2009, 09:40 AM Go to last post
  49. Trane zone sensor recomendation

    Started by ChuckHVAC, 01-09-2009 03:02 PM
    • Replies: 2
    • Views: 1,761
    01-10-2009, 01:20 AM Go to last post

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