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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: 13,640
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 11,634
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. LG VRF AC Smart IV Controller

    Started by DelAirRay, 02-16-2019 09:12 AM
    • Replies: 5
    • Views: 231
    02-16-2019, 09:56 AM Go to last post
  3. Confused Thermostat wiring issues

    Started by Shiloh790, 02-13-2019 05:53 PM
    • Replies: 10
    • Views: 317
    02-14-2019, 12:35 PM Go to last post
    • Replies: 0
    • Views: 208
    02-13-2019, 08:55 PM Go to last post
  4. night setback temperatures

    Started by GlennZ, 02-13-2019 04:59 PM
    • Replies: 2
    • Views: 172
    02-13-2019, 06:02 PM Go to last post
  5. Conversion from R12 to Hotshot in sailboat

    Started by Apolima, 02-05-2019 11:27 PM
    • Replies: 10
    • Views: 704
    02-08-2019, 09:57 PM Go to last post
  6. Looking for YORK wiring diagrams.

    Started by Mjarsm, 02-05-2019 06:38 PM
    • Replies: 2
    • Views: 235
    02-08-2019, 08:42 AM Go to last post
    • Replies: 3
    • Views: 311
    02-07-2019, 04:56 PM Go to last post
  7. Boiler inspection

    Started by 6t7gto, 02-04-2019 11:50 PM
    • Replies: 3
    • Views: 319
    02-07-2019, 08:00 AM Go to last post
  8. Confused York ERV shedding polymer?

    Started by OHDataCenterGuy, 02-05-2019 01:48 PM
    • Replies: 1
    • Views: 150
    02-06-2019, 06:49 AM Go to last post
  9. Aaon RN-25 Fan Proving Alarm

    Started by Vinant, 02-01-2019 06:14 PM
    • Replies: 5
    • Views: 400
    02-02-2019, 10:36 AM Go to last post
  10. Confused Daikin VRV IV System comms error after power loss

    Started by bandre, 01-30-2019 11:23 PM
    daikin
    • Replies: 1
    • Views: 133
    02-02-2019, 01:07 AM Go to last post
  11. cooling capacity calculation for the equipment.

    Started by mohad_i, 01-23-2019 02:54 AM
    • Replies: 4
    • Views: 440
    01-29-2019, 02:55 AM Go to last post
  12. Low temperature settings for a church.

    Started by Andersd, 12-11-2018 01:35 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,104
    01-26-2019, 12:16 AM Go to last post
  13. Seresco NE-004; humidity too low

    Started by 04beeftaco, 01-25-2019 11:01 AM
    • Replies: 1
    • Views: 224
    01-25-2019, 01:17 PM Go to last post
  14. York YVAA Chiller maintenance / Repairs Bangkok

    Started by azravico, 01-23-2019 09:13 PM
    • Replies: 3
    • Views: 245
    01-24-2019, 08:00 PM Go to last post
  15. Calculate VAV Cooling Capacity

    Started by thmoops, 01-16-2019 05:53 PM
    • Replies: 1
    • Views: 285
    01-24-2019, 01:42 PM Go to last post
  16. refrigerant critical temperature

    Started by mohad_i, 01-09-2019 08:19 AM
    • Replies: 5
    • Views: 723
    01-22-2019, 03:19 AM Go to last post
  17. City-Multi AHU stays hot

    Started by FLbound, 01-18-2019 04:20 PM
    • Replies: 6
    • Views: 379
    01-21-2019, 10:16 AM Go to last post
  18. AHU

    Started by peterruzzi, 01-20-2019 03:15 AM
    • Replies: 6
    • Views: 366
    01-20-2019, 06:38 PM Go to last post
    • Replies: 6
    • Views: 308
    01-19-2019, 08:30 AM Go to last post
  19. New 5 ton RTU return box section getting water

    Started by kolevbg, 04-17-2016 04:15 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 3,107
    01-17-2019, 10:09 PM Go to last post
  20. Setting 6400 CCN Address

    Started by wmo, 01-14-2019 07:11 PM
    • Replies: 0
    • Views: 222
    01-14-2019, 07:11 PM Go to last post
  21. 6400 Controller CCN Bus Communication

    Started by wmo, 12-11-2018 02:10 PM
    ccn, communication, controller
    • Replies: 6
    • Views: 505
    01-14-2019, 05:59 PM Go to last post
  22. hot water heater setpoint

    Started by uffdanow00, 01-07-2019 05:49 PM
    • Replies: 5
    • Views: 480
    01-08-2019, 02:06 PM Go to last post
  23. Walk in cooler temperature not lowering

    Started by debbiedoescakes, 12-01-2018 06:41 PM
    • Replies: 11
    • Views: 806
    01-07-2019, 10:35 PM Go to last post
  24. Trane Nomenclature/Model # breakdown

    Started by PvtMurphy, 01-04-2019 06:34 PM
    • Replies: 5
    • Views: 546
    01-05-2019, 09:59 AM Go to last post
  25. What model is this thermostat

    Started by mgerity, 01-04-2019 05:23 PM
    • Replies: 2
    • Views: 482
    01-05-2019, 09:51 AM Go to last post
  26. changing recirculating pump speed?

    Started by NotUrAverageJoe, 12-31-2018 10:03 AM
    2 Pages
    1 2
    hot water, water, water pump
    • Replies: 22
    • Views: 988
    01-03-2019, 12:17 AM Go to last post
  27. Ultimate Man Cave

    Started by gregake, 12-31-2018 03:08 PM
    • Replies: 11
    • Views: 577
    01-01-2019, 01:05 PM Go to last post
  28. Dedicated out side AHU to FCU

    Started by Javed Shaikh, 12-19-2018 04:02 PM
    • Replies: 1
    • Views: 366
    12-30-2018, 07:07 AM Go to last post
  29. New Cooling Tower Motor Overamping

    Started by im4becca, 12-20-2018 04:40 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,074
    12-27-2018, 04:13 PM Go to last post
  30. supplemental heat for scene shop

    Started by uffdanow00, 12-19-2018 06:16 PM
    • Replies: 1
    • Views: 383
    12-27-2018, 08:40 AM Go to last post
  31. Kestrel View software Trane chiller

    Started by Suni, 12-19-2018 01:34 AM
    • Replies: 2
    • Views: 377
    12-21-2018, 09:28 AM Go to last post
  32. Question PC monitoring of Carrier 30RAP

    Started by kmo12345, 09-14-2018 05:13 PM
    • Replies: 2
    • Views: 666
    12-20-2018, 11:40 PM Go to last post
  33. Trane RTHD chiller Loading/Unloading issue

    Started by Suni, 12-19-2018 01:24 AM
    • Replies: 4
    • Views: 356
    12-19-2018, 08:55 AM Go to last post
  34. Trane TU software

    Started by Suni, 12-19-2018 01:30 AM
    • Replies: 0
    • Views: 296
    12-19-2018, 01:30 AM Go to last post
  35. Trane RTHD chiller loading issue.

    Started by Suni, 12-19-2018 01:29 AM
    • Replies: 0
    • Views: 274
    12-19-2018, 01:29 AM Go to last post
  36. Trane RTHD chiller issue

    Started by Suni, 12-19-2018 01:27 AM
    • Replies: 0
    • Views: 255
    12-19-2018, 01:27 AM Go to last post
  37. Zone All problems

    Started by BrettHVAC, 12-18-2018 12:42 PM
    • Replies: 4
    • Views: 355
    12-18-2018, 10:07 PM Go to last post
  38. Wifi Thermostat Recommendation!

    Started by jfarms, 12-18-2018 04:51 PM
    • Replies: 1
    • Views: 363
    12-18-2018, 08:11 PM Go to last post
    • Replies: 7
    • Views: 520
    12-18-2018, 10:14 AM Go to last post
  39. Hotel PTACs Icing Up

    Started by turnstyle, 12-14-2018 12:43 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 683
    12-17-2018, 09:19 AM Go to last post
  40. Question Microtech III, management point data

    Started by myname, 12-14-2018 06:06 AM
    • Replies: 3
    • Views: 395
    12-17-2018, 04:27 AM Go to last post
  41. New: York Model Number Tonnage?

    Started by nycte, 12-13-2018 01:30 PM
    • Replies: 1
    • Views: 358
    12-13-2018, 01:57 PM Go to last post
  42. Water cooled AHU

    Started by Javed Shaikh, 12-12-2018 01:27 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 622
    12-13-2018, 09:37 AM Go to last post
    • Replies: 1
    • Views: 366
    12-12-2018, 08:59 AM Go to last post
  43. Confused Dampers In Return Air

    Started by dr2430, 11-19-2018 04:03 PM
    • Replies: 5
    • Views: 640
    12-11-2018, 12:09 PM Go to last post
  44. Why provide this connection?

    Started by Javed Shaikh, 12-08-2018 08:58 AM
    • Replies: 3
    • Views: 546
    12-08-2018, 02:44 PM Go to last post
  45. Compressor suction goes to vacuum??

    Started by Javed Shaikh, 12-04-2018 01:38 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 974
    12-06-2018, 04:11 PM Go to last post

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