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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: 9,627
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,401
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Question Old Crane Steam Boiler - Part Help

    Started by Puh, 01-19-2009 11:55 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 6,688
    01-28-2009, 08:39 PM Go to last post
  3. McQuay/Microtel Rooftop

    Started by duke of earl, 06-03-2008 09:57 PM
    • Replies: 3
    • Views: 932
    01-28-2009, 06:35 PM Go to last post
  4. exetor xl controller manual

    Started by coolerinfrederick, 01-25-2009 03:38 PM
    • Replies: 5
    • Views: 2,651
    01-28-2009, 05:58 PM Go to last post
  5. Anybody service Petra PPH 25 thru 62?

    Started by tonyshelton, 01-26-2009 10:05 PM
    • Replies: 2
    • Views: 804
    01-28-2009, 12:34 PM Go to last post
  6. What kinda pump do u use?

    Started by Tommy1010, 01-26-2009 12:11 PM
    • Replies: 9
    • Views: 952
    01-28-2009, 12:14 AM Go to last post
  7. Bryant/Daynight HP

    Started by rnoel, 01-26-2009 11:32 PM
    • Replies: 2
    • Views: 566
    01-28-2009, 12:14 AM Go to last post
  8. YCD IOM's

    Started by ncboston, 01-27-2009 07:13 PM
    • Replies: 3
    • Views: 819
    01-27-2009, 08:16 PM Go to last post
  9. Exhaust fan selection

    Started by hasni, 01-27-2009 04:59 AM
    • Replies: 2
    • Views: 996
    01-27-2009, 06:25 PM Go to last post
  10. Question drain line sizing

    Started by maf, 01-24-2009 05:17 PM
    • Replies: 10
    • Views: 1,045
    01-26-2009, 09:48 PM Go to last post
  11. Comfort Site???

    Started by CaptJackSparrow, 01-26-2009 04:10 PM
    • Replies: 6
    • Views: 980
    01-26-2009, 06:33 PM Go to last post
  12. Trane TWA090

    Started by tknorman, 01-23-2009 10:43 AM
    • Replies: 6
    • Views: 2,571
    01-26-2009, 06:13 PM Go to last post
  13. Carlyle 5H40 questions

    Started by ar, 10-02-2006 08:24 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,858
    01-26-2009, 12:03 PM Go to last post
  14. tools for service techs

    Started by ctrussell, 01-23-2009 06:31 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 3,023
    01-25-2009, 09:38 PM Go to last post
  15. TRane pcm

    Started by Thentsch, 01-25-2009 09:15 PM
    • Replies: 0
    • Views: 468
    01-25-2009, 09:15 PM Go to last post
  16. pcm jumper settings

    Started by Thentsch, 01-25-2009 09:03 PM
    • Replies: 0
    • Views: 508
    01-25-2009, 09:03 PM Go to last post
  17. Relay Board Repair?

    Started by systemrepairguy, 01-23-2009 04:59 PM
    • Replies: 5
    • Views: 1,089
    01-25-2009, 07:55 PM Go to last post
  18. What brand is this?

    Started by BaldLoonie, 01-24-2009 08:00 PM
    • Replies: 8
    • Views: 929
    01-25-2009, 05:08 PM Go to last post
  19. Carrier 19XR Drive Problem

    Started by dstamper, 01-22-2009 11:10 AM
    • Replies: 5
    • Views: 1,239
    01-25-2009, 11:42 AM Go to last post
  20. UV Lights

    Started by bowhunter21, 01-20-2009 09:32 PM
    • Replies: 9
    • Views: 1,061
    01-25-2009, 10:55 AM Go to last post
  21. need help with lennox unit

    Started by fr420, 01-24-2009 09:37 PM
    • Replies: 5
    • Views: 860
    01-25-2009, 10:10 AM Go to last post
  22. Eng A mua with fireye control

    Started by jorgy, 01-23-2009 01:45 PM
    • Replies: 9
    • Views: 974
    01-24-2009, 04:08 PM Go to last post
  23. Question AONN comb motor

    Started by mrhvacmechanic, 01-21-2009 12:33 PM
    • Replies: 2
    • Views: 700
    01-24-2009, 01:49 PM Go to last post
  24. Hmm Siemens VFD Failure

    Started by crons, 01-08-2009 08:53 AM
    • Replies: 9
    • Views: 3,755
    01-24-2009, 01:06 PM Go to last post
  25. Trane SWUD question

    Started by buildingengineer, 01-21-2009 10:42 AM
    • Replies: 3
    • Views: 1,156
    01-24-2009, 01:04 PM Go to last post
  26. Honeywell Wiring

    Started by Raively, 01-17-2009 07:14 PM
    • Replies: 8
    • Views: 985
    01-24-2009, 12:07 PM Go to last post
  27. Roto Lock Nightmare

    Started by madhat, 01-23-2009 12:19 PM
    • Replies: 5
    • Views: 1,533
    01-24-2009, 09:41 AM Go to last post
  28. Confused carrier chiller

    Started by andyh, 01-14-2009 11:09 PM
    • Replies: 11
    • Views: 1,093
    01-24-2009, 01:28 AM Go to last post
  29. 500 KVA transformers

    Started by sigma, 01-23-2009 07:10 PM
    • Replies: 9
    • Views: 1,438
    01-24-2009, 01:06 AM Go to last post
  30. Trane SCWD Economizer Purge

    Started by chadtech, 01-21-2009 01:24 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,022
    01-23-2009, 08:24 PM Go to last post
  31. CVHE UCP695 Code F3

    Started by CaptJackSparrow, 01-23-2009 04:53 PM
    • Replies: 1
    • Views: 923
    01-23-2009, 07:56 PM Go to last post
  32. Hmm 30 HXC 155 A

    Started by kedar kulkarni, 01-23-2009 06:46 AM
    • Replies: 7
    • Views: 2,291
    01-23-2009, 07:37 PM Go to last post
  33. Question Who makes glycol-only winter server room cooling? (not a/c)

    Started by scalar, 12-20-2008 06:29 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,790
    01-23-2009, 04:02 PM Go to last post
  34. Need a York YCAL chiller manual

    Started by Tubes110, 08-01-2008 04:01 PM
    • Replies: 9
    • Views: 11,548
    01-23-2009, 09:55 AM Go to last post
  35. YK overhaul

    Started by r404a, 07-05-2008 01:30 AM
    • Replies: 9
    • Views: 2,685
    01-23-2009, 07:56 AM Go to last post
  36. Trane WSHP - Low Leaving Water Temp Fault

    Started by newgage, 01-21-2009 10:18 PM
    • Replies: 7
    • Views: 1,460
    01-23-2009, 07:46 AM Go to last post
  37. Stulz mini Split?

    Started by sol, 01-11-2009 08:16 AM
    • Replies: 2
    • Views: 1,023
    01-23-2009, 01:24 AM Go to last post
  38. LOCHINVAR

    Started by snupytcb, 01-22-2009 12:22 PM
    • Replies: 1
    • Views: 868
    01-22-2009, 11:03 PM Go to last post
  39. LIEBERT COOLING SYSTEM

    Started by edlerjoy, 01-12-2009 04:58 AM
    • Replies: 8
    • Views: 10,744
    01-22-2009, 10:53 PM Go to last post
    • Replies: 1
    • Views: 668
    01-22-2009, 03:10 PM Go to last post
  40. Heating load calculation

    Started by hasni, 01-17-2009 02:18 AM
    • Replies: 3
    • Views: 664
    01-22-2009, 01:12 PM Go to last post
  41. What type of motoris this

    Started by mapleman, 01-22-2009 08:43 AM
    • Replies: 1
    • Views: 591
    01-22-2009, 11:37 AM Go to last post
  42. 277V htr

    Started by ndcoh, 01-21-2009 08:26 PM
    • Replies: 3
    • Views: 740
    01-22-2009, 10:24 AM Go to last post
  43. Load Calculations for IT Server Rooms?

    Started by Bill Bednarick, 01-14-2009 11:34 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,898
    01-22-2009, 08:13 AM Go to last post
  44. 1996 lennox

    Started by toptech, 01-21-2009 09:37 PM
    • Replies: 2
    • Views: 700
    01-21-2009, 10:07 PM Go to last post
  45. HP in marine environment / dirty sock smell

    Started by soundbalance, 01-20-2009 02:04 PM
    • Replies: 4
    • Views: 729
    01-21-2009, 08:39 PM Go to last post
  46. old timers have you worked on a screw

    Started by lb32g, 01-20-2009 10:04 PM
    • Replies: 3
    • Views: 724
    01-21-2009, 05:42 PM Go to last post
  47. JCI Layoffs, Pay Freeze & Benifit Loss

    Started by jslimjeff, 01-19-2009 03:55 PM
    • Replies: 6
    • Views: 1,584
    01-21-2009, 10:58 AM Go to last post
  48. VFD training

    Started by chillerguy81, 01-12-2009 08:42 PM
    • Replies: 8
    • Views: 2,510
    01-21-2009, 09:02 AM Go to last post
  49. 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
  50. 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

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