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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: 9,485
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,279
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Plz help me understand CFM?

    Started by John_from_NC, 05-25-2016 12:01 AM
    • Replies: 4
    • Views: 585
    06-15-2016, 10:47 PM Go to last post
  3. Fume hood exhaust and makeup air

    Started by brian l h, 06-14-2016 10:54 PM
    • Replies: 5
    • Views: 364
    06-15-2016, 07:24 PM Go to last post
    • Replies: 0
    • Views: 274
    06-14-2016, 02:16 PM Go to last post
  4. York YR Chiller Modbus mapping required

    Started by arvindsubi, 06-14-2016 04:40 AM
    york commercial hvac
    • Replies: 0
    • Views: 231
    06-14-2016, 04:40 AM Go to last post
    • Replies: 8
    • Views: 763
    06-13-2016, 11:05 PM Go to last post
  5. Question Troubleshooting Guide Book for Voyager III

    Started by oneleft, 06-13-2016 03:52 PM
    • Replies: 0
    • Views: 244
    06-13-2016, 03:52 PM Go to last post
    • Replies: 2
    • Views: 415
    06-13-2016, 12:58 AM Go to last post
    • Replies: 0
    • Views: 237
    06-10-2016, 02:11 AM Go to last post
  6. Glycol concentration recommendation

    Started by Pgh HVAC Teache, 06-08-2016 07:59 AM
    • Replies: 1
    • Views: 289
    06-08-2016, 08:55 AM Go to last post
  7. Daikin does not have 277 VAC Indoor Units......

    Started by dionysius, 06-08-2016 02:08 AM
    • Replies: 1
    • Views: 300
    06-08-2016, 07:48 AM Go to last post
  8. Recording studio A/C design Africa

    Started by Nicks152, 04-29-2016 06:05 AM
    • Replies: 2
    • Views: 463
    06-07-2016, 07:47 PM Go to last post
  9. 3 way valve (honeywell) installed at AHU is stucking again and again.

    Started by Ehsan, 05-13-2016 05:22 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,230
    06-07-2016, 12:35 PM Go to last post
  10. Chilled Water System aboard Yacht

    Started by yachtengineer1, 06-01-2016 09:43 AM
    • Replies: 4
    • Views: 526
    06-03-2016, 08:05 AM Go to last post
    • Replies: 0
    • Views: 259
    05-31-2016, 10:25 PM Go to last post
    • Replies: 3
    • Views: 501
    05-27-2016, 06:27 PM Go to last post
  11. Differential Pressure Gauge Placement

    Started by CoffeeGuy, 05-26-2016 03:34 PM
    • Replies: 0
    • Views: 303
    05-26-2016, 03:34 PM Go to last post
    • Replies: 2
    • Views: 373
    05-25-2016, 09:16 AM Go to last post
  12. Economizer Testing and General Design Question

    Started by Lee_Wheeler, 05-18-2016 12:59 AM
    • Replies: 2
    • Views: 424
    05-18-2016, 08:03 AM Go to last post
  13. Trane RTAC 1554UR questions

    Started by Facilities5, 05-17-2016 03:02 PM
    • Replies: 3
    • Views: 381
    05-17-2016, 06:20 PM Go to last post
    • Replies: 1
    • Views: 442
    05-16-2016, 02:10 PM Go to last post
  14. Blower

    Started by Kansas_Potatoes, 05-15-2016 01:23 PM
    • Replies: 2
    • Views: 422
    05-16-2016, 01:40 PM Go to last post
  15. MicroTech III MT3006

    Started by hvac-plumb, 05-13-2016 01:21 PM
    daikin commercial hvac, microtech
    • Replies: 2
    • Views: 423
    05-13-2016, 09:08 PM Go to last post
  16. Heat Pump pitfalls

    Started by BillG48, 05-12-2016 11:05 AM
    • Replies: 9
    • Views: 644
    05-13-2016, 09:57 AM Go to last post
  17. Suction line really hot.

    Started by lcavazos91, 04-29-2016 06:59 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,410
    05-07-2016, 07:56 AM Go to last post
  18. TRANE VAV flow sensor fail

    Started by wilson99, 05-04-2016 05:41 PM
    • Replies: 0
    • Views: 411
    05-04-2016, 05:41 PM Go to last post
  19. Boiler tripping on High Limit

    Started by Thursday1985, 04-30-2016 06:05 PM
    • Replies: 2
    • Views: 533
    05-04-2016, 06:53 AM Go to last post
  20. Problem with a glycol circuit

    Started by Citizen, 04-30-2016 06:00 AM
    • Replies: 12
    • Views: 745
    05-02-2016, 03:35 AM Go to last post
  21. I am not DyI

    Started by Ernest Crossman, 04-29-2016 01:47 PM
    • Replies: 5
    • Views: 628
    04-30-2016, 11:51 AM Go to last post
  22. Can anyone tell me who made this compressor

    Started by trbak62.tb, 04-29-2016 02:40 AM
    • Replies: 0
    • Views: 425
    04-29-2016, 02:40 AM Go to last post
  23. novar lingo readdressing

    Started by gclaycomb, 04-28-2016 01:33 PM
    • Replies: 0
    • Views: 276
    04-28-2016, 01:33 PM Go to last post
  24. FDECU 5 question

    Started by LMTV, 04-21-2016 02:35 PM
    • Replies: 7
    • Views: 811
    04-24-2016, 07:36 AM Go to last post
  25. Restaurant dinning hall Air conditioninng

    Started by chief79, 04-21-2016 03:47 PM
    • Replies: 2
    • Views: 511
    04-21-2016, 08:45 PM Go to last post
  26. Is this Trane RTU overcharged?

    Started by alexb, 04-01-2016 03:57 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,877
    04-21-2016, 07:44 PM Go to last post
  27. Economizer issues

    Started by JEKSONE, 04-21-2016 12:05 AM
    • Replies: 7
    • Views: 598
    04-21-2016, 11:39 AM Go to last post
  28. Air Flow Issues for middle ductwork

    Started by HVACNewb42, 04-18-2016 02:49 PM
    • Replies: 4
    • Views: 504
    04-21-2016, 07:35 AM Go to last post
  29. York heat pump 460 Volt blown fuses

    Started by davemaldo, 04-20-2016 01:45 PM
    • Replies: 1
    • Views: 349
    04-20-2016, 02:09 PM Go to last post
  30. New 5 ton RTU return box section getting water

    Started by kolevbg, 04-17-2016 04:15 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 870
    04-19-2016, 07:46 AM Go to last post
  31. Venstar

    Started by Gp71, 04-16-2016 09:04 AM
    • Replies: 0
    • Views: 312
    04-16-2016, 09:04 AM Go to last post
  32. Honeywell RM7800 Control - Lockout 109

    Started by tonycap, 04-14-2016 10:35 AM
    • Replies: 0
    • Views: 417
    04-14-2016, 10:35 AM Go to last post
  33. Trane 1992 Heat Pump Model Number

    Started by eterenal, 04-07-2016 05:03 PM
    • Replies: 11
    • Views: 571
    04-08-2016, 09:29 AM Go to last post
  34. Herman Nelson AAF Unit ventilators

    Started by BobZ1, 02-26-2016 12:54 PM
    • Replies: 6
    • Views: 863
    04-07-2016, 06:54 AM Go to last post
  35. Jonhson Controls and metasys

    Started by naesm, 04-07-2016 06:50 AM
    • Replies: 0
    • Views: 385
    04-07-2016, 06:50 AM Go to last post
  36. Data Center Cold Aisle Containment

    Started by tobg, 04-06-2016 05:56 PM
    • Replies: 0
    • Views: 407
    04-06-2016, 05:56 PM Go to last post
  37. Wilspec transducer

    Started by Gp71, 04-05-2016 10:29 PM
    • Replies: 0
    • Views: 354
    04-05-2016, 10:29 PM Go to last post
  38. 10 Ton 410A scroll

    Started by offshore elect., 04-01-2016 11:41 PM
    • Replies: 5
    • Views: 750
    04-03-2016, 08:29 PM Go to last post
  39. Hot Water radiant panels vs Gas radiant tube

    Started by HSim, 11-24-2015 08:49 AM
    • Replies: 6
    • Views: 1,434
    04-03-2016, 03:07 PM Go to last post
  40. Trane wshp

    Started by prosolution, 04-01-2016 02:23 PM
    • Replies: 4
    • Views: 492
    04-01-2016, 08:22 PM Go to last post
  41. Hmm Counterfeit Bitzer Compressors?

    Started by Joe Joe, 03-13-2016 04:41 PM
    • Replies: 1
    • Views: 1,525
    03-13-2016, 07:25 PM Go to last post
  42. Seeking York DXS screw compressor failure data

    Started by CJ868, 03-03-2016 12:21 AM
    • Replies: 0
    • Views: 662
    03-03-2016, 12:21 AM Go to last post
  43. 16HA ABSORBER PUMPS

    Started by MECHGR, 03-02-2016 09:12 AM
    • Replies: 0
    • Views: 486
    03-02-2016, 09:12 AM Go to last post

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