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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: 12,271
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,554
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

    • Replies: 1
    • Views: 32
    Today, 07:38 PM Go to last post
  2. Coleman BAUH-F048AB Fan Always On

    Started by rsw686, Yesterday 10:37 PM
    • Replies: 1
    • Views: 52
    Today, 03:29 PM Go to last post
  3. Trane Integration Help Request

    Started by Hank47808, Today 01:47 PM
    • Replies: 0
    • Views: 42
    Today, 01:47 PM Go to last post
  4. Customer wants to install a "used" unit

    Started by tacosoup, Yesterday 10:29 AM
    • Replies: 4
    • Views: 149
    Today, 08:57 AM Go to last post
  5. Cooling towner as standalone unit?

    Started by PalmPre, Yesterday 10:43 AM
    • Replies: 7
    • Views: 156
    Today, 08:53 AM Go to last post
  6. Question VFD PITA

    Started by WRKMAN, Yesterday 01:11 PM
    • Replies: 1
    • Views: 81
    Yesterday, 01:49 PM Go to last post
  7. Carrier 30RAP and new Main Base Board

    Started by bobbyg, 06-18-2018 11:16 AM
    • Replies: 3
    • Views: 145
    06-18-2018, 08:29 PM Go to last post
  8. New condenser/compressor unit not cold enough.

    Started by Wingchip, 06-10-2018 12:45 PM
    • Replies: 10
    • Views: 396
    06-18-2018, 12:42 PM Go to last post
  9. YORK AIR SCREW CHILLER...ALL COMPRESSORS OUT ON LOW SUCTION

    Started by HDog, 05-15-2018 12:12 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,025
    06-13-2018, 08:26 PM Go to last post
  10. FREEZER - Evap & Condenser sizing and options

    Started by Joe'Bronco, 06-11-2018 01:53 PM
    • Replies: 1
    • Views: 145
    06-11-2018, 09:44 PM Go to last post
  11. Ideal way to ventilate a pet shop

    Started by josh0322, 06-03-2018 02:43 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 515
    06-09-2018, 06:53 PM Go to last post
  12. Advice on how to determine chiller efficiency

    Started by Mr.Fikri, 06-06-2018 12:43 AM
    • Replies: 2
    • Views: 195
    06-09-2018, 12:42 PM Go to last post
  13. Oil pump motor push ON relay TRANE CVHF

    Started by nungriano, 06-09-2018 03:33 AM
    • Replies: 1
    • Views: 143
    06-09-2018, 08:42 AM Go to last post
    • Replies: 4
    • Views: 247
    06-08-2018, 08:41 PM Go to last post
    • Replies: 0
    • Views: 118
    06-08-2018, 05:42 AM Go to last post
    • Replies: 2
    • Views: 130
    06-07-2018, 03:58 PM Go to last post
  14. Warehouse cooling and airflow

    Started by maverma, 05-21-2018 08:40 PM
    • Replies: 6
    • Views: 428
    05-31-2018, 11:37 PM Go to last post
  15. master bilt ice cream dipping cabinet help

    Started by Renee Kennedy, 05-28-2018 10:58 AM
    • Replies: 4
    • Views: 203
    05-31-2018, 11:31 PM Go to last post
  16. lennox rtu reason for running only 1 stage?

    Started by Maynardr6, 05-31-2018 12:11 AM
    • Replies: 3
    • Views: 224
    05-31-2018, 09:57 AM Go to last post
    • Replies: 12
    • Views: 270
    05-30-2018, 09:27 AM Go to last post
  17. Running ComfortView 3.0 on a VM

    Started by Matthias117, 05-29-2018 05:22 PM
    • Replies: 0
    • Views: 125
    05-29-2018, 05:22 PM Go to last post
  18. Supplementing passive air cooling with AC

    Started by ectoraige, 05-25-2018 07:47 AM
    • Replies: 1
    • Views: 296
    05-28-2018, 07:29 AM Go to last post
  19. Process Chiller Recommendation

    Started by AmericanLoco, 04-21-2018 11:52 AM
    • Replies: 4
    • Views: 653
    05-27-2018, 05:10 PM Go to last post
    • Replies: 1
    • Views: 223
    05-26-2018, 03:24 PM Go to last post
  20. Confused Modbus to BACnet Converter Protocol

    Started by Eyephone, 05-25-2018 02:01 AM
    hvac
    • Replies: 0
    • Views: 264
    05-25-2018, 02:01 AM Go to last post
  21. BAS Systems

    Started by kesselh, 05-16-2018 07:22 PM
    • Replies: 1
    • Views: 319
    05-24-2018, 05:13 AM Go to last post
  22. Evaporator & Compressor Positions

    Started by lord123, 05-22-2018 04:53 PM
    • Replies: 2
    • Views: 290
    05-24-2018, 05:07 AM Go to last post
    • Replies: 6
    • Views: 555
    05-13-2018, 08:02 PM Go to last post
  23. Modulators closing in school.

    Started by kirkb, 05-04-2018 09:26 AM
    • Replies: 8
    • Views: 564
    05-05-2018, 09:55 AM Go to last post
  24. Theory and practical application

    Started by IndustrialTech, 04-29-2018 10:26 AM
    • Replies: 2
    • Views: 541
    05-01-2018, 09:11 AM Go to last post
  25. Vacuum on daikin vrv III

    Started by michaelfw23, 04-29-2018 01:03 PM
    • Replies: 4
    • Views: 555
    05-01-2018, 08:24 AM Go to last post
  26. HVAC plant management

    Started by MaintMgr, 04-18-2018 07:50 PM
    • Replies: 8
    • Views: 967
    04-27-2018, 07:53 PM Go to last post
    • Replies: 3
    • Views: 730
    04-22-2018, 05:13 PM Go to last post
  27. York Tropical RTU 50Hz Freeze Up Issue

    Started by Hadi Had, 04-14-2018 12:55 AM
    • Replies: 5
    • Views: 625
    04-21-2018, 10:11 AM Go to last post
  28. Honeywell T775 M2048

    Started by SergeP, 04-20-2018 11:51 AM
    controller, honeywell controls
    • Replies: 0
    • Views: 282
    04-20-2018, 11:51 AM Go to last post
  29. carrier 30XA402 chiller

    Started by HichamBen, 04-18-2018 03:49 AM
    • Replies: 0
    • Views: 422
    04-18-2018, 03:49 AM Go to last post
    • Replies: 4
    • Views: 557
    04-14-2018, 07:20 PM Go to last post
  30. Carrier FIOP codes

    Started by klb311, 03-13-2018 11:24 AM
    • Replies: 5
    • Views: 699
    04-12-2018, 11:58 AM Go to last post
  31. FDECU

    Started by Seabee44, 04-11-2018 02:55 PM
    • Replies: 12
    • Views: 791
    04-12-2018, 04:49 AM Go to last post
  32. Pole Shed Heating, Cooling, and Air Exchange

    Started by bschultz, 04-10-2018 01:36 AM
    air exchanger, cooling, exhaust fans, geothermal, heat exchangers, heating, radiant hydronic in-floor pex heat
    • Replies: 3
    • Views: 539
    04-11-2018, 09:33 AM Go to last post
  33. Help Identifying Part

    Started by sammyb123, 04-08-2018 01:13 PM
    • Replies: 6
    • Views: 689
    04-10-2018, 10:03 PM Go to last post
  34. Danfoss Turbocor reliability

    Started by AmericanLoco, 04-10-2018 09:08 PM
    • Replies: 1
    • Views: 471
    04-10-2018, 09:37 PM Go to last post
  35. decoupler control

    Started by Eng Ali, 03-08-2018 07:03 AM
    hvac, hvac calculators, hvac design manual
    • Replies: 3
    • Views: 709
    04-10-2018, 11:03 AM Go to last post
  36. Calculation of duct an exhaust fan power

    Started by ouchen108, 03-27-2018 05:47 PM
    • Replies: 3
    • Views: 659
    04-07-2018, 07:07 AM Go to last post
  37. Confused 3 PH 2 Speed only runs backwards

    Started by JunoDog, 04-05-2018 03:12 PM
    • Replies: 2
    • Views: 595
    04-06-2018, 07:31 AM Go to last post
    • Replies: 2
    • Views: 631
    04-04-2018, 05:36 PM Go to last post
    • Replies: 2
    • Views: 641
    04-02-2018, 10:58 PM Go to last post
  38. TUTCO DB20087-2-1P heating element

    Started by valvashon, 03-20-2018 02:40 PM
    • Replies: 1
    • Views: 655
    04-02-2018, 03:06 PM Go to last post
  39. Smile Grooving Schedule 80 Steel Pipe

    Started by HVACGUY01, 03-29-2018 08:58 AM
    • Replies: 3
    • Views: 838
    04-02-2018, 10:53 AM Go to last post

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