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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: 15,210
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 12,978
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Daikin communication troubles

    Started by Hosspower03, Yesterday 10:03 PM
    • Replies: 1
    • Views: 73
    Today, 08:04 AM Go to last post
    • Replies: 2
    • Views: 88
    Yesterday, 01:59 PM Go to last post
  3. Manitowac Gear box question

    Started by Sean Gilmore, 08-22-2019 06:33 AM
    • Replies: 2
    • Views: 156
    08-22-2019, 09:57 AM Go to last post
  4. Auditorium high humidity

    Started by tschnuckel, 08-13-2019 08:08 PM
    • Replies: 5
    • Views: 360
    08-20-2019, 04:32 PM Go to last post
  5. Switching from Propane to Gas

    Started by MMiser, 08-19-2019 05:15 PM
    • Replies: 6
    • Views: 201
    08-20-2019, 12:43 PM Go to last post
  6. WAYS TO SAVE ENERGY ON CHILLER OPERATING COST

    Started by garrygeorge, 08-01-2019 03:39 AM
    • Replies: 3
    • Views: 381
    08-20-2019, 12:25 AM Go to last post
    • Replies: 5
    • Views: 521
    08-19-2019, 04:52 PM Go to last post
  7. Need help with walk in freezer diagnostic

    Started by dcraig79, 08-14-2019 12:20 PM
    • Replies: 3
    • Views: 189
    08-19-2019, 11:09 AM Go to last post
    • Replies: 2
    • Views: 144
    08-19-2019, 07:42 AM Go to last post
    • Replies: 2
    • Views: 150
    08-18-2019, 11:50 AM Go to last post
  8. Mitsubishi m# PLA-A42BA4

    Started by Mhunter929, 08-14-2019 02:58 PM
    • Replies: 4
    • Views: 200
    08-15-2019, 08:32 AM Go to last post
  9. Confused Condensor water Temperature for Walk-in

    Started by bz1109, 08-09-2019 06:58 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 684
    08-11-2019, 10:09 AM Go to last post
  10. Confused HGBP, Queston on DUNHAM BUCH WCFX Chillers

    Started by Chilly56, 08-08-2019 02:27 PM
    chiller, hgbp, hvac, refrigerant
    • Replies: 0
    • Views: 130
    08-08-2019, 02:27 PM Go to last post
    • Replies: 12
    • Views: 690
    08-07-2019, 10:19 PM Go to last post
  11. calculating the charge

    Started by BOBDION, 07-29-2019 01:45 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 484
    08-05-2019, 06:54 AM Go to last post
    • Replies: 1
    • Views: 201
    08-05-2019, 06:45 AM Go to last post
  12. Crank case heater stuck screw compressor

    Started by guysmilely, 05-22-2019 06:09 AM
    • Replies: 2
    • Views: 772
    08-02-2019, 08:49 AM Go to last post
    • Replies: 4
    • Views: 348
    08-02-2019, 07:37 AM Go to last post
  13. American Air Filter Unit Ventilator

    Started by ZOOMOIL1, 07-30-2019 04:01 PM
    • Replies: 1
    • Views: 206
    07-31-2019, 09:14 AM Go to last post
    • Replies: 27
    • Views: 658
    07-30-2019, 04:56 AM Go to last post
    • Replies: 5
    • Views: 423
    07-23-2019, 07:50 PM Go to last post
  14. Worthington A/C and Air Handler

    Started by Dustin Cox, 07-12-2019 11:23 AM
    • Replies: 2
    • Views: 499
    07-23-2019, 03:17 PM Go to last post
  15. VAV Box Energy Use and Cost

    Started by gmorris, 07-23-2019 11:40 AM
    • Replies: 0
    • Views: 216
    07-23-2019, 11:40 AM Go to last post
    • Replies: 7
    • Views: 510
    07-23-2019, 12:42 AM Go to last post
  16. Shop - 30' x 60' x 12' -- Considering adding A/C

    Started by herrmc, 07-16-2019 09:31 PM
    • Replies: 7
    • Views: 472
    07-21-2019, 07:25 AM Go to last post
  17. Brewery Kegerator issue

    Started by daveat, 07-15-2019 12:30 PM
    • Replies: 7
    • Views: 488
    07-20-2019, 07:13 PM Go to last post
    • Replies: 0
    • Views: 214
    07-20-2019, 02:44 PM Go to last post
    • Replies: 0
    • Views: 214
    07-19-2019, 12:10 PM Go to last post
  18. Leak and Inventory Logs

    Started by Scott H, 07-15-2019 04:45 PM
    • Replies: 6
    • Views: 443
    07-18-2019, 08:29 AM Go to last post
  19. Mitsubishi City

    Started by AllTemp, 07-16-2019 08:42 AM
    • Replies: 6
    • Views: 382
    07-16-2019, 07:59 PM Go to last post
  20. Air vent at work is loud

    Started by sirk, 07-11-2019 11:41 AM
    • Replies: 7
    • Views: 481
    07-12-2019, 08:29 AM Go to last post
  21. CRAC Unit Compressor

    Started by rajaizzuddin, 07-12-2019 02:59 AM
    • Replies: 0
    • Views: 400
    07-12-2019, 02:59 AM Go to last post
  22. Please help walk in cooler issues

    Started by bklnci, 07-01-2019 10:35 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 2,047
    07-10-2019, 06:23 AM Go to last post
    • Replies: 8
    • Views: 429
    07-06-2019, 01:25 PM Go to last post
  23. hvac consultants

    Started by mgcs, 07-06-2019 05:11 AM
    • Replies: 0
    • Views: 342
    07-06-2019, 05:11 AM Go to last post
  24. JSC FX60 Java Maintenance Question and Issues

    Started by wooguay, 07-04-2019 04:39 PM
    • Replies: 0
    • Views: 315
    07-04-2019, 04:39 PM Go to last post
    • Replies: 0
    • Views: 304
    07-04-2019, 04:34 PM Go to last post
  25. Hot Gas Freezer Conversion

    Started by ERogan5877, 06-26-2019 11:32 PM
    • Replies: 6
    • Views: 627
    06-29-2019, 08:35 AM Go to last post
  26. Johnson Controls YMC2 Internal VFD Issue

    Started by martinroyclarke, 06-29-2019 08:10 AM
    • Replies: 0
    • Views: 302
    06-29-2019, 08:10 AM Go to last post
    • Replies: 4
    • Views: 485
    06-28-2019, 10:49 PM Go to last post
    • Replies: 4
    • Views: 412
    06-27-2019, 10:52 AM Go to last post
  27. 10 ton air conditioner single phase

    Started by Texasliving, 05-29-2019 05:11 AM
    • Replies: 9
    • Views: 1,336
    06-26-2019, 11:05 PM Go to last post
  28. YK York Chiller -VSD Single phase input power

    Started by Joytrix, 06-21-2019 03:58 AM
    • Replies: 0
    • Views: 540
    06-21-2019, 03:58 AM Go to last post
  29. RTHC 1U5 Options Module

    Started by Patriarch, 06-18-2019 11:30 AM
    • Replies: 0
    • Views: 354
    06-18-2019, 11:30 AM Go to last post
    • Replies: 13
    • Views: 1,425
    06-16-2019, 07:18 AM Go to last post
  30. Open Source BAS

    Started by Bryan.Rickard, 06-13-2019 09:07 AM
    • Replies: 2
    • Views: 506
    06-16-2019, 12:25 AM Go to last post
  31. Analog input XFL521B No Response

    Started by Aldrin0576, 05-29-2019 01:33 PM
    • Replies: 0
    • Views: 406
    05-29-2019, 01:33 PM Go to last post
  32. York Absorption chiller LiBr Filter

    Started by Dwinchell, 09-14-2018 12:54 PM
    chiller retrofit, filter installation & maintenance, york commercial hvac
    • Replies: 1
    • Views: 890
    05-28-2019, 08:29 PM Go to last post
  33. refrigerant lines

    Started by Desdogs, 05-26-2019 07:48 PM
    • Replies: 10
    • Views: 844
    05-27-2019, 09:27 AM Go to last post
  34. How to find spec sheet on legacy Trane RTUs

    Started by Geneva3, 05-21-2019 11:42 AM
    • Replies: 8
    • Views: 647
    05-21-2019, 09:51 PM Go to last post

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