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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: 12,270
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,552
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Compressor Flooding

    Started by Jessie8675309, 07-01-2016 03:52 PM
    • Replies: 5
    • Views: 890
    07-02-2016, 11:14 AM Go to last post
  3. Exclamation YORK SIMPLICITY COOLING ISSUES!

    Started by vejzo, 06-29-2016 12:52 PM
    • Replies: 2
    • Views: 882
    06-30-2016, 01:17 PM Go to last post
  4. Adding AC to my shop

    Started by okiebenz, 06-28-2016 08:19 PM
    • Replies: 2
    • Views: 881
    06-29-2016, 06:02 PM Go to last post
  5. Carrier Air Handler

    Started by 2020liquidation, 06-28-2016 02:14 PM
    • Replies: 1
    • Views: 1,101
    06-29-2016, 11:07 AM Go to last post
  6. Matching a Compressor Klixon.

    Started by madhat, 06-27-2016 07:16 PM
    • Replies: 2
    • Views: 782
    06-28-2016, 05:05 PM Go to last post
  7. York Chiller YCAR lead/lag issue

    Started by collegerez, 06-21-2016 11:52 AM
    • Replies: 1
    • Views: 642
    06-23-2016, 11:28 AM Go to last post
    • Replies: 0
    • Views: 678
    06-23-2016, 01:11 AM Go to last post
  8. Condensation Walk-in Freezer

    Started by chad1, 06-22-2016 04:41 PM
    • Replies: 4
    • Views: 1,038
    06-22-2016, 10:21 PM Go to last post
    • Replies: 3
    • Views: 1,029
    06-22-2016, 09:23 AM Go to last post
  9. carrier water source heat pump

    Started by CRL, 06-21-2016 12:28 PM
    • Replies: 0
    • Views: 560
    06-21-2016, 12:28 PM Go to last post
  10. Confused Hardware or software error

    Started by michael_bayan, 06-20-2016 04:59 PM
    • Replies: 0
    • Views: 541
    06-20-2016, 04:59 PM Go to last post
  11. Need help on calculation for intake air

    Started by nallapaiyan, 06-20-2016 02:54 PM
    • Replies: 0
    • Views: 608
    06-20-2016, 02:54 PM Go to last post
  12. Typical Procedure for RTU Replacement

    Started by JHarring, 06-19-2016 11:07 AM
    • Replies: 10
    • Views: 1,060
    06-20-2016, 11:36 AM Go to last post
  13. Cooler 404a

    Started by bryansavoia11, 06-19-2016 06:23 PM
    • Replies: 2
    • Views: 704
    06-19-2016, 08:21 PM Go to last post
  14. Goodman Heat Pump Issues

    Started by Drewb67, 06-17-2016 01:36 PM
    • Replies: 4
    • Views: 860
    06-17-2016, 08:55 PM Go to last post
  15. L-Connection software time/date

    Started by bassprosteve, 06-16-2016 08:33 PM
    • Replies: 1
    • Views: 574
    06-17-2016, 07:07 AM Go to last post
  16. Plz help me understand CFM?

    Started by John_from_NC, 05-25-2016 12:01 AM
    • Replies: 4
    • Views: 1,117
    06-15-2016, 10:47 PM Go to last post
  17. Fume hood exhaust and makeup air

    Started by brian l h, 06-14-2016 10:54 PM
    • Replies: 5
    • Views: 1,075
    06-15-2016, 07:24 PM Go to last post
    • Replies: 0
    • Views: 608
    06-14-2016, 02:16 PM Go to last post
  18. York YR Chiller Modbus mapping required

    Started by arvindsubi, 06-14-2016 04:40 AM
    york commercial hvac
    • Replies: 0
    • Views: 616
    06-14-2016, 04:40 AM Go to last post
    • Replies: 8
    • Views: 3,322
    06-13-2016, 11:05 PM Go to last post
  19. Question Troubleshooting Guide Book for Voyager III

    Started by oneleft, 06-13-2016 03:52 PM
    • Replies: 0
    • Views: 666
    06-13-2016, 03:52 PM Go to last post
    • Replies: 2
    • Views: 825
    06-13-2016, 12:58 AM Go to last post
    • Replies: 0
    • Views: 499
    06-10-2016, 02:11 AM Go to last post
  20. Glycol concentration recommendation

    Started by Pgh HVAC Teache, 06-08-2016 07:59 AM
    • Replies: 1
    • Views: 661
    06-08-2016, 08:55 AM Go to last post
  21. Daikin does not have 277 VAC Indoor Units......

    Started by dionysius, 06-08-2016 02:08 AM
    • Replies: 1
    • Views: 714
    06-08-2016, 07:48 AM Go to last post
  22. Recording studio A/C design Africa

    Started by Nicks152, 04-29-2016 06:05 AM
    • Replies: 2
    • Views: 990
    06-07-2016, 07:47 PM Go to last post
  23. 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: 2,402
    06-07-2016, 12:35 PM Go to last post
  24. Chilled Water System aboard Yacht

    Started by yachtengineer1, 06-01-2016 09:43 AM
    • Replies: 4
    • Views: 966
    06-03-2016, 08:05 AM Go to last post
    • Replies: 0
    • Views: 879
    05-31-2016, 10:25 PM Go to last post
    • Replies: 3
    • Views: 1,133
    05-27-2016, 06:27 PM Go to last post
  25. Differential Pressure Gauge Placement

    Started by CoffeeGuy, 05-26-2016 03:34 PM
    • Replies: 0
    • Views: 650
    05-26-2016, 03:34 PM Go to last post
    • Replies: 2
    • Views: 733
    05-25-2016, 09:16 AM Go to last post
  26. Economizer Testing and General Design Question

    Started by Lee_Wheeler, 05-18-2016 12:59 AM
    • Replies: 2
    • Views: 759
    05-18-2016, 08:03 AM Go to last post
  27. Trane RTAC 1554UR questions

    Started by Facilities5, 05-17-2016 03:02 PM
    • Replies: 3
    • Views: 799
    05-17-2016, 06:20 PM Go to last post
    • Replies: 1
    • Views: 800
    05-16-2016, 02:10 PM Go to last post
  28. Blower

    Started by Kansas_Potatoes, 05-15-2016 01:23 PM
    • Replies: 2
    • Views: 824
    05-16-2016, 01:40 PM Go to last post
  29. MicroTech III MT3006

    Started by hvac-plumb, 05-13-2016 01:21 PM
    daikin commercial hvac, microtech
    • Replies: 2
    • Views: 1,041
    05-13-2016, 09:08 PM Go to last post
  30. Heat Pump pitfalls

    Started by BillG48, 05-12-2016 11:05 AM
    • Replies: 9
    • Views: 1,426
    05-13-2016, 09:57 AM Go to last post
  31. Suction line really hot.

    Started by lcavazos91, 04-29-2016 06:59 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,343
    05-07-2016, 07:56 AM Go to last post
  32. TRANE VAV flow sensor fail

    Started by wilson99, 05-04-2016 05:41 PM
    • Replies: 0
    • Views: 1,066
    05-04-2016, 05:41 PM Go to last post
  33. Boiler tripping on High Limit

    Started by Thursday1985, 04-30-2016 06:05 PM
    • Replies: 2
    • Views: 1,287
    05-04-2016, 06:53 AM Go to last post
  34. Problem with a glycol circuit

    Started by Citizen, 04-30-2016 06:00 AM
    • Replies: 12
    • Views: 1,441
    05-02-2016, 03:35 AM Go to last post
  35. I am not DyI

    Started by Ernest Crossman, 04-29-2016 01:47 PM
    • Replies: 5
    • Views: 1,051
    04-30-2016, 11:51 AM Go to last post
  36. Can anyone tell me who made this compressor

    Started by trbak62.tb, 04-29-2016 02:40 AM
    • Replies: 0
    • Views: 761
    04-29-2016, 02:40 AM Go to last post
  37. novar lingo readdressing

    Started by gclaycomb, 04-28-2016 01:33 PM
    • Replies: 0
    • Views: 609
    04-28-2016, 01:33 PM Go to last post
  38. FDECU 5 question

    Started by LMTV, 04-21-2016 02:35 PM
    • Replies: 7
    • Views: 2,195
    04-24-2016, 07:36 AM Go to last post

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