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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: 9,127
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 7,959
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Motor current fault

    Started by chill bill, 05-18-2011 04:50 AM
    • Replies: 2
    • Views: 1,080
    05-18-2011, 07:12 PM Go to last post
  3. Need Help with UA Star Exam

    Started by valdelocc, 03-23-2011 05:39 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 5,367
    05-18-2011, 06:04 PM Go to last post
  4. Question AMANA HT WT BOILER INFO

    Started by mrhvacmechanic, 12-09-2008 12:16 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,826
    05-18-2011, 05:26 AM Go to last post
  5. Restaurant A/C Possibly Downsize

    Started by Xsk8r114, 05-16-2011 11:40 AM
    • Replies: 6
    • Views: 1,329
    05-17-2011, 11:51 PM Go to last post
  6. Talking Handy with Lieberts????

    Started by BatesTech, 03-10-2011 10:49 PM
    • Replies: 10
    • Views: 2,229
    05-17-2011, 09:55 PM Go to last post
  7. Trane Techview

    Started by waltervan, 03-28-2011 05:09 PM
    • Replies: 6
    • Views: 2,130
    05-17-2011, 09:05 PM Go to last post
  8. trane condensing unit

    Started by redwhitekat, 05-15-2011 08:16 PM
    • Replies: 4
    • Views: 2,662
    05-17-2011, 09:01 PM Go to last post
  9. just need a little help checking some facts......

    Started by kool3681, 05-17-2011 06:48 PM
    • Replies: 2
    • Views: 589
    05-17-2011, 07:07 PM Go to last post
  10. pneumatic controls

    Started by intech, 04-25-2006 09:06 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,005
    05-17-2011, 03:27 PM Go to last post
  11. Ductwrap

    Started by buckcyph, 05-17-2011 02:10 PM
    • Replies: 1
    • Views: 607
    05-17-2011, 02:16 PM Go to last post
  12. [Question] VAV minimum airflow

    Started by wta12, 05-07-2011 10:32 PM
    • Replies: 9
    • Views: 3,498
    05-17-2011, 08:44 AM Go to last post
  13. New job

    Started by addamsmasher, 05-14-2011 12:18 AM
    • Replies: 8
    • Views: 1,145
    05-16-2011, 10:13 PM Go to last post
  14. ac sizing

    Started by rantisdel, 05-16-2011 01:40 PM
    • Replies: 4
    • Views: 595
    05-16-2011, 04:47 PM Go to last post
  15. New to HVAC- Help appreciated

    Started by ronaldbaisden, 05-16-2011 01:10 AM
    • Replies: 5
    • Views: 728
    05-16-2011, 03:37 PM Go to last post
  16. Room Temperature Gain

    Started by PA1856, 05-11-2011 09:56 AM
    • Replies: 4
    • Views: 5,211
    05-16-2011, 02:09 PM Go to last post
  17. Confused Old Carrier 50DN rooftop manuals?

    Started by hvac.dave, 05-12-2011 09:02 AM
    • Replies: 3
    • Views: 2,812
    05-16-2011, 07:53 AM Go to last post
  18. 20 ton cooling system - long freon run - issues?

    Started by zeppy, 05-06-2011 02:46 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,180
    05-15-2011, 11:06 PM Go to last post
  19. Centrifugal Chiller Cycling

    Started by coldrig, 05-14-2011 12:01 PM
    • Replies: 6
    • Views: 1,733
    05-15-2011, 09:33 AM Go to last post
  20. Hmm 1930 boilers

    Started by Burnerman92, 05-15-2011 12:24 AM
    • Replies: 0
    • Views: 549
    05-15-2011, 12:24 AM Go to last post
  21. Confused Old single line boiler\chiller system...

    Started by SolutionsWanted, 05-14-2011 12:53 PM
    • Replies: 2
    • Views: 1,320
    05-14-2011, 09:01 PM Go to last post
  22. Hmm size unit?

    Started by watkinsac, 05-13-2011 06:07 PM
    • Replies: 2
    • Views: 756
    05-14-2011, 03:22 PM Go to last post
  23. Question delay timer

    Started by CONTROLMANIAC, 05-11-2011 08:49 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,776
    05-14-2011, 10:55 AM Go to last post
  24. Trane RATC issues

    Started by waikikiguy, 05-13-2011 05:27 PM
    • Replies: 10
    • Views: 1,244
    05-13-2011, 10:50 PM Go to last post
  25. Reversing valve

    Started by DTA20, 05-11-2011 10:17 PM
    • Replies: 6
    • Views: 1,061
    05-13-2011, 08:24 PM Go to last post
  26. Over & Under

    Started by TAC Service, 05-08-2011 11:36 AM
    • Replies: 6
    • Views: 1,580
    05-12-2011, 08:12 PM Go to last post
  27. Confused whats the standard cfm/ton for condenser fans?

    Started by LT1 FUN, 05-11-2011 11:43 PM
    • Replies: 5
    • Views: 5,889
    05-12-2011, 07:55 PM Go to last post
  28. Small Ice Tank/Thermal Storage

    Started by xarralu, 05-05-2011 08:04 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,366
    05-12-2011, 12:32 PM Go to last post
  29. how to keep the chiller running?

    Started by albertov, 05-04-2011 01:10 AM
    • Replies: 5
    • Views: 1,350
    05-12-2011, 12:24 AM Go to last post
  30. B&G 1510 pump shaft sleeves

    Started by dave1234, 11-26-2010 02:03 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,937
    05-11-2011, 10:54 PM Go to last post
  31. Help with Bids for church

    Started by david beyer, 05-03-2011 01:59 PM
    • Replies: 8
    • Views: 1,150
    05-11-2011, 08:54 PM Go to last post
  32. who makes the best delay on make/brake timer?

    Started by LT1 FUN, 05-06-2011 09:43 PM
    • Replies: 3
    • Views: 835
    05-11-2011, 12:30 PM Go to last post
  33. Liebert HVAC FE240G

    Started by mugosuds, 05-11-2011 12:19 PM
    • Replies: 0
    • Views: 1,070
    05-11-2011, 12:19 PM Go to last post
  34. Liebert VH315W wiring diagram

    Started by freonguy, 09-23-2008 01:01 PM
    • Replies: 4
    • Views: 2,178
    05-11-2011, 12:00 PM Go to last post
  35. Replace Honeywell W7100A with?

    Started by hvac.dave, 05-05-2011 02:46 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,167
    05-10-2011, 07:13 AM Go to last post
  36. General Air Chiller issues

    Started by Coredog, 05-07-2011 10:37 PM
    • Replies: 5
    • Views: 1,192
    05-09-2011, 09:37 PM Go to last post
  37. Digital Thermostat

    Started by bayou dude, 05-09-2011 04:58 PM
    • Replies: 0
    • Views: 592
    05-09-2011, 04:58 PM Go to last post
  38. Post compressors are short cycling and sweating

    Started by czech, 04-20-2011 06:47 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,529
    05-09-2011, 02:03 PM Go to last post
  39. Hmm I need a mentor

    Started by jonero29, 05-08-2011 09:41 PM
    • Replies: 4
    • Views: 1,344
    05-09-2011, 05:09 AM Go to last post
  40. Taking your wetbulb tempreture

    Started by marter, 05-08-2011 11:52 AM
    • Replies: 3
    • Views: 759
    05-08-2011, 11:59 AM Go to last post
  41. Variable Speed Blowers

    Started by hands, 04-30-2011 08:04 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,522
    05-08-2011, 08:44 AM Go to last post
  42. Condenser coatings?

    Started by yellowirenut, 05-07-2011 10:18 AM
    • Replies: 5
    • Views: 1,059
    05-08-2011, 05:56 AM Go to last post
  43. HVAC service wage in Kansas City

    Started by ctrussell, 05-05-2011 03:23 PM
    • Replies: 2
    • Views: 1,349
    05-07-2011, 07:40 PM Go to last post
  44. Copeland 6D compressor oil plug

    Started by griz, 05-05-2011 11:34 PM
    • Replies: 5
    • Views: 2,204
    05-07-2011, 01:48 PM Go to last post
  45. HELP PLEASE!!

    Started by martin&sonsa/c, 05-07-2011 12:16 AM
    • Replies: 6
    • Views: 1,332
    05-07-2011, 09:55 AM Go to last post
  46. Combining capacitors?

    Started by SailorDaniel, 05-05-2011 08:10 PM
    • Replies: 9
    • Views: 1,555
    05-06-2011, 02:57 PM Go to last post
  47. Importnace of CRAH Delta T In chilled water loops

    Started by ShmoJoe, 05-06-2011 11:50 AM
    • Replies: 0
    • Views: 532
    05-06-2011, 11:50 AM Go to last post
  48. The joy of concentric venting....

    Started by bob_the_builder, 05-03-2011 08:19 PM
    • Replies: 10
    • Views: 2,182
    05-06-2011, 08:54 AM Go to last post
  49. Trane screw compressor

    Started by BCARMAN, 04-14-2011 04:21 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 4,455
    05-06-2011, 07:43 AM Go to last post
  50. half a frozen coil

    Started by boilerman856, 05-05-2011 08:24 PM
    • Replies: 12
    • Views: 1,916
    05-05-2011, 10:50 PM Go to last post
  51. STULZ OHS Main Board!

    Started by aaronmorgan19, 04-29-2011 04:48 PM
    board, compressor troubleshooting
    • Replies: 1
    • Views: 1,047
    05-05-2011, 10:30 PM Go to last post

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