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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: 11,845
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,237
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Need some B2B web sites about HVAC ducts

    Started by sachielcelia, 05-24-2009 11:11 PM
    • Replies: 0
    • Views: 459
    05-24-2009, 11:11 PM Go to last post
  3. Flow Confusion

    Started by tech45, 05-24-2009 07:26 AM
    • Replies: 5
    • Views: 815
    05-24-2009, 06:58 PM Go to last post
  4. TRANE YHC033A380A Advise Please

    Started by gtt, 05-24-2009 09:36 AM
    blower, package, rtu, trane
    • Replies: 3
    • Views: 1,234
    05-24-2009, 05:27 PM Go to last post
  5. Help!

    Started by simpleman, 05-24-2009 02:44 PM
    • Replies: 3
    • Views: 683
    05-24-2009, 03:44 PM Go to last post
  6. Carrier R/T Model Number ??? 1991

    Started by cormad, 05-24-2009 02:57 PM
    • Replies: 0
    • Views: 534
    05-24-2009, 02:57 PM Go to last post
  7. Confused Noisy Exhaust Fan

    Started by gtt, 05-24-2009 10:00 AM
    fan, noise, vibration
    • Replies: 7
    • Views: 2,669
    05-24-2009, 12:37 PM Go to last post
  8. Trane TSC unit problems

    Started by btuser, 05-20-2009 09:10 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,412
    05-23-2009, 11:54 PM Go to last post
  9. rooftop rollout switch

    Started by HVAndyC/R, 05-22-2009 10:06 PM
    • Replies: 6
    • Views: 1,579
    05-23-2009, 11:17 PM Go to last post
  10. current transformer for trane cgae

    Started by bigger b, 05-17-2009 10:35 PM
    • Replies: 7
    • Views: 1,836
    05-23-2009, 07:37 PM Go to last post
  11. Can't reset York warning

    Started by duke of earl, 05-22-2009 06:53 PM
    • Replies: 3
    • Views: 1,066
    05-23-2009, 06:30 PM Go to last post
    • Replies: 4
    • Views: 2,280
    05-23-2009, 12:08 PM Go to last post
  12. Carrier Chiller 30GXR174-F-650MH problems

    Started by bporter, 05-15-2009 03:44 PM
    • Replies: 6
    • Views: 2,826
    05-23-2009, 01:24 AM Go to last post
  13. Dog Kennel

    Started by ACFIXR, 05-21-2009 12:38 AM
    • Replies: 4
    • Views: 3,701
    05-22-2009, 08:47 PM Go to last post
  14. Luxaire service valves

    Started by garrison, 05-11-2009 07:36 PM
    • Replies: 2
    • Views: 883
    05-22-2009, 02:34 PM Go to last post
  15. Working for hill york

    Started by sabre11134, 05-19-2009 05:43 PM
    • Replies: 5
    • Views: 953
    05-22-2009, 11:20 AM Go to last post
  16. Thermostat problems

    Started by plar, 05-09-2009 01:47 PM
    thermostat, touch screen, trane
    • Replies: 4
    • Views: 1,275
    05-22-2009, 08:57 AM Go to last post
  17. Oil life for Copeland CF06K6E-PFV

    Started by Willowbilly, 05-20-2009 11:03 PM
    • Replies: 2
    • Views: 1,202
    05-21-2009, 10:54 PM Go to last post
  18. York predator m# DM150 simplicity Board

    Started by BFG6868, 05-20-2009 09:54 PM
    • Replies: 8
    • Views: 5,776
    05-21-2009, 06:33 PM Go to last post
  19. Trane WSC 410a heat pumps

    Started by ACFIXR, 05-21-2009 12:47 AM
    • Replies: 0
    • Views: 1,961
    05-21-2009, 12:47 AM Go to last post
  20. Mac 10 Original

    Started by ACFIXR, 05-21-2009 12:43 AM
    hepa, mac 10
    • Replies: 0
    • Views: 771
    05-21-2009, 12:43 AM Go to last post
  21. Flow proving switch

    Started by CanDoAggin, 04-30-2009 09:57 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,225
    05-20-2009, 08:14 PM Go to last post
    • Replies: 5
    • Views: 1,532
    05-20-2009, 08:07 PM Go to last post
  22. 2 welded contacts , comp and o.d.f.?????

    Started by Tommy1010, 05-20-2009 08:39 AM
    • Replies: 1
    • Views: 876
    05-20-2009, 04:31 PM Go to last post
  23. Carrier problem...

    Started by rotaryfrk, 05-18-2009 11:03 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,957
    05-20-2009, 08:06 AM Go to last post
  24. RTAC Leaks on Suct Isolation Valve

    Started by ryjowy, 02-25-2009 01:18 AM
    • Replies: 9
    • Views: 1,818
    05-20-2009, 12:02 AM Go to last post
  25. Trane model E

    Started by chillerguru, 05-14-2009 11:28 PM
    • Replies: 11
    • Views: 3,096
    05-19-2009, 10:58 PM Go to last post
  26. TRANE, CARRIER or MCQUAY?

    Started by fuegomata, 07-06-2004 04:58 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 16,495
    05-19-2009, 10:56 PM Go to last post
  27. doing office bid.. HVAC CALC Commercial question

    Started by MYLEVL, 05-18-2009 06:44 PM
    • Replies: 1
    • Views: 639
    05-19-2009, 10:37 PM Go to last post
  28. Checking Compressor Oil

    Started by Cliff32, 05-18-2009 07:41 PM
    • Replies: 5
    • Views: 1,011
    05-18-2009, 09:33 PM Go to last post
  29. ACDX dunham Bush

    Started by HvAckid82, 05-16-2009 06:31 PM
    • Replies: 5
    • Views: 1,649
    05-18-2009, 09:24 PM Go to last post
  30. carrier mini split M#38HDF

    Started by fixerup, 05-18-2009 08:19 AM
    • Replies: 2
    • Views: 1,574
    05-18-2009, 08:51 PM Go to last post
  31. Comfort site / elibrary

    Started by CaptJackSparrow, 05-18-2009 03:59 PM
    • Replies: 1
    • Views: 834
    05-18-2009, 05:12 PM Go to last post
  32. Solid-State Reduced Voltage Starters vs. VFDs

    Started by woestmaj, 05-18-2009 01:58 PM
    • Replies: 1
    • Views: 1,173
    05-18-2009, 03:45 PM Go to last post
  33. Metal

    Started by chad_nc, 05-17-2009 01:15 PM
    • Replies: 2
    • Views: 814
    05-17-2009, 10:02 PM Go to last post
  34. ccn

    Started by chillerguru, 05-14-2009 11:21 PM
    • Replies: 9
    • Views: 1,225
    05-17-2009, 08:03 PM Go to last post
  35. Robert73 needs Trane RTU help

    Started by jayguy, 05-16-2009 10:40 PM
    • Replies: 5
    • Views: 1,141
    05-17-2009, 06:34 PM Go to last post
  36. Need Asistance with Trane Rooftop

    Started by robert73, 05-16-2009 07:30 PM
    technical discussion, trane
    • Replies: 1
    • Views: 908
    05-16-2009, 07:48 PM Go to last post
  37. Siebe Actuator

    Started by madhat, 05-15-2009 04:44 PM
    • Replies: 2
    • Views: 5,377
    05-16-2009, 06:53 PM Go to last post
  38. Carrier or Danfoss

    Started by crised, 05-15-2009 07:35 PM
    • Replies: 6
    • Views: 1,062
    05-16-2009, 05:30 PM Go to last post
  39. RTU Blower RPM

    Started by ascj, 05-16-2009 01:02 PM
    • Replies: 4
    • Views: 2,087
    05-16-2009, 04:39 PM Go to last post
  40. COOLING TOWER

    Started by moideen, 05-15-2009 03:51 PM
    • Replies: 6
    • Views: 1,099
    05-16-2009, 11:04 AM Go to last post
  41. York Predator Coils

    Started by ascj, 05-13-2009 06:24 PM
    • Replies: 9
    • Views: 2,245
    05-16-2009, 03:01 AM Go to last post
  42. FHP as a chiller?

    Started by licensed to chill, 05-08-2009 06:56 PM
    • Replies: 3
    • Views: 945
    05-15-2009, 10:38 PM Go to last post
  43. help with Trane chiller

    Started by BobbyBJr, 05-11-2009 07:51 AM
    • Replies: 3
    • Views: 891
    05-15-2009, 08:12 PM Go to last post
  44. Can Anyone figure out this Trane model#

    Started by cdill, 05-14-2009 05:40 PM
    • Replies: 7
    • Views: 1,091
    05-15-2009, 12:31 PM Go to last post
  45. Lithium Bromide

    Started by stickerhead, 05-12-2009 02:11 PM
    • Replies: 7
    • Views: 3,596
    05-15-2009, 08:33 AM Go to last post
  46. Hot Water Boiler Question

    Started by nesd-1, 05-14-2009 08:38 AM
    • Replies: 5
    • Views: 798
    05-14-2009, 09:36 PM Go to last post
  47. York YDHA

    Started by hvacr, 05-14-2009 03:59 PM
    • Replies: 0
    • Views: 951
    05-14-2009, 03:59 PM Go to last post
  48. Question on older 5 ton carrier rooftop unit

    Started by Tinner32, 05-06-2009 07:53 AM
    • Replies: 11
    • Views: 3,759
    05-14-2009, 01:08 PM Go to last post
  49. Refrigeration recovery question

    Started by fr420, 05-10-2009 08:23 PM
    • Replies: 9
    • Views: 1,318
    05-14-2009, 09:03 AM Go to last post

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