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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: 6,383
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 5,470
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Tracer adaptaview

    Started by Koluib, 07-22-2010 09:44 AM
    • Replies: 9
    • Views: 1,264
    08-03-2010, 06:34 PM Go to last post
  3. chilled water ahu problem

    Started by cosmoa4, 07-21-2010 09:51 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,326
    08-03-2010, 09:45 AM Go to last post
  4. checking for noncondensables

    Started by newbe0507, 07-31-2010 07:33 PM
    • Replies: 11
    • Views: 2,950
    08-03-2010, 07:43 AM Go to last post
  5. HGBP valve sizing

    Started by ascj, 07-30-2010 06:01 PM
    • Replies: 6
    • Views: 1,319
    08-02-2010, 09:06 PM Go to last post
  6. "Digital" scroll compressors

    Started by Randy S., 07-05-2010 07:51 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 4,081
    08-02-2010, 06:44 PM Go to last post
  7. REPAIRING CAST METAL

    Started by supertek65, 08-01-2010 12:37 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,309
    08-02-2010, 05:45 PM Go to last post
  8. chiller fault codes

    Started by noypiEVO, 07-26-2010 09:50 PM
    • Replies: 11
    • Views: 1,730
    08-01-2010, 10:17 PM Go to last post
  9. Best way to check proper VAV operation

    Started by Nowareazy, 07-04-2010 09:51 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 3,773
    08-01-2010, 02:52 PM Go to last post
  10. Trane GEHB Water Source Heat Pumps

    Started by Revaughn5, 07-29-2010 02:35 PM
    • Replies: 5
    • Views: 2,317
    08-01-2010, 07:32 AM Go to last post
  11. Question CHEMICAL CLEANING WITH W REG VALVES

    Started by mrhvacmechanic, 07-31-2010 09:15 PM
    • Replies: 3
    • Views: 604
    08-01-2010, 01:50 AM Go to last post
    • Replies: 0
    • Views: 2,139
    07-31-2010, 10:19 PM Go to last post
  12. Demand Peak Management strategy

    Started by zeppy, 07-31-2010 12:17 PM
    • Replies: 1
    • Views: 461
    07-31-2010, 09:39 PM Go to last post
  13. Old Honeywell Thermostat

    Started by leslie cook, 07-28-2010 10:21 PM
    • Replies: 8
    • Views: 1,168
    07-31-2010, 09:04 PM Go to last post
  14. Carrier 30GH245 splitting

    Started by yanev22, 07-30-2010 01:53 PM
    • Replies: 8
    • Views: 1,036
    07-31-2010, 11:37 AM Go to last post
  15. Honeywell T7351 Questions

    Started by DavidNJ, 07-30-2010 02:26 AM
    • Replies: 1
    • Views: 1,007
    07-31-2010, 01:59 AM Go to last post
    • Replies: 0
    • Views: 436
    07-30-2010, 03:24 PM Go to last post
    • Replies: 4
    • Views: 1,746
    07-30-2010, 12:53 PM Go to last post
    • Replies: 2
    • Views: 1,459
    07-30-2010, 07:20 AM Go to last post
  16. Need some help from the rooftop techs

    Started by baub, 07-23-2010 08:09 PM
    • Replies: 12
    • Views: 1,227
    07-29-2010, 11:38 PM Go to last post
  17. Question 407C added to a 410A unit?

    Started by hvacmam, 07-29-2010 02:14 PM
    • Replies: 1
    • Views: 711
    07-29-2010, 10:40 PM Go to last post
  18. Confused HELP

    Started by DANNYBE, 07-28-2010 12:20 PM
    • Replies: 5
    • Views: 710
    07-29-2010, 12:54 PM Go to last post
  19. Wiring Diagram

    Started by harley2009, 07-29-2010 10:24 AM
    • Replies: 0
    • Views: 569
    07-29-2010, 10:24 AM Go to last post
  20. Confused Carrier 30HX ground fault

    Started by thermopoot69, 07-22-2010 11:55 AM
    • Replies: 10
    • Views: 2,734
    07-28-2010, 06:15 PM Go to last post
  21. High humidity levels and evaporator delta T

    Started by hvacpope, 07-24-2010 09:48 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,912
    07-28-2010, 03:03 PM Go to last post
    • Replies: 2
    • Views: 2,043
    07-28-2010, 12:20 PM Go to last post
  22. White Roof Sapping Your Energy

    Started by madhat, 06-17-2010 09:50 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 3,446
    07-28-2010, 08:06 AM Go to last post
  23. Oil Migration problem on Carrier 23XL Chiiler

    Started by cxagent, 07-23-2009 03:48 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,410
    07-27-2010, 10:34 PM Go to last post
  24. Trane Expansion Valve

    Started by NC Small Biz, 07-26-2010 05:35 PM
    • Replies: 5
    • Views: 1,364
    07-27-2010, 08:24 PM Go to last post
  25. York AHU Supply Fan Overload Problem

    Started by Vulcan Classic, 07-27-2010 02:12 PM
    • Replies: 6
    • Views: 1,817
    07-27-2010, 06:42 PM Go to last post
  26. High Suction Press.

    Started by vernilla, 07-23-2010 05:39 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,346
    07-26-2010, 07:45 PM Go to last post
  27. ? on Trane Split System Condenser

    Started by marshman, 07-26-2010 03:34 PM
    • Replies: 0
    • Views: 778
    07-26-2010, 03:34 PM Go to last post
  28. return/supply cfm ratio

    Started by Tommy1010, 04-20-2010 12:50 PM
    • Replies: 10
    • Views: 6,690
    07-25-2010, 02:40 PM Go to last post
  29. 19XL, my next victim

    Started by chiller mekanik, 09-20-2006 12:10 AM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 5,767
    07-25-2010, 07:05 AM Go to last post
  30. EMS caculator

    Started by sstan42, 07-25-2010 01:48 AM
    • Replies: 0
    • Views: 870
    07-25-2010, 01:48 AM Go to last post
    • Replies: 2
    • Views: 1,922
    07-24-2010, 07:36 AM Go to last post
  31. copelemetic torque specs

    Started by supertek65, 07-22-2010 07:04 PM
    • Replies: 7
    • Views: 1,036
    07-23-2010, 08:39 PM Go to last post
  32. Lithium Bromide Dilemma

    Started by zsmillie, 07-22-2010 11:56 AM
    • Replies: 11
    • Views: 2,402
    07-23-2010, 06:30 PM Go to last post
  33. Supermarket Case question

    Started by 70runner, 07-22-2010 10:29 PM
    • Replies: 5
    • Views: 558
    07-23-2010, 04:10 PM Go to last post
  34. Calculating Cooling Capacity of AC Units

    Started by GalacticStrife, 07-23-2010 10:24 AM
    • Replies: 2
    • Views: 4,137
    07-23-2010, 11:45 AM Go to last post
    • Replies: 0
    • Views: 524
    07-23-2010, 09:34 AM Go to last post
  35. Process Chiller Not Cooling Correctly

    Started by apprentice3, 07-20-2010 06:39 PM
    • Replies: 10
    • Views: 1,758
    07-23-2010, 12:16 AM Go to last post
  36. reusing recovered gas

    Started by whoaghi, 07-20-2010 09:11 PM
    • Replies: 9
    • Views: 1,402
    07-22-2010, 10:25 PM Go to last post
  37. Trane RTU with Reliatel locks out

    Started by docgeorge, 07-12-2010 06:54 PM
    • Replies: 6
    • Views: 2,035
    07-22-2010, 09:03 PM Go to last post
  38. Earth Fault

    Started by ascj, 07-21-2010 07:25 PM
    • Replies: 7
    • Views: 1,296
    07-22-2010, 06:20 PM Go to last post
  39. Trane SFHG124 Wiring

    Started by flying_floyd, 07-22-2010 03:10 PM
    • Replies: 0
    • Views: 451
    07-22-2010, 03:10 PM Go to last post
    • Replies: 1
    • Views: 462
    07-22-2010, 12:02 PM Go to last post
    • Replies: 5
    • Views: 739
    07-22-2010, 12:00 PM Go to last post
  40. 2 and 4 pipe hvac commercial school

    Started by willy35, 04-18-2005 10:12 PM
    • Replies: 4
    • Views: 7,331
    07-21-2010, 08:35 PM Go to last post
  41. carrier 30gb circa 1988

    Started by stanbyyourword, 07-18-2009 03:36 AM
    • Replies: 11
    • Views: 2,145
    07-21-2010, 06:28 PM Go to last post
  42. Landis&Gyr thermostats with override

    Started by geochurchi, 07-20-2010 02:09 PM
    • Replies: 8
    • Views: 788
    07-21-2010, 06:04 PM Go to last post

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