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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: 39,972
    Dad
    10-31-2011, 07:41 PM Go to last post

  1. Normal Thread Normal Threads

  2. R404A question

    Started by Ron Borsella, 08-14-2020 10:27 PM
    • Replies: 1
    • Views: 1,902
    rider77
    08-14-2020, 10:55 PM Go to last post

  3. Carrier i-Vu Protocol Stack Error

    Started by Dryan353, 08-12-2020 03:48 PM
    carrier, controls
    • Replies: 0
    • Views: 2,784
    Dryan353
    08-12-2020, 03:48 PM Go to last post

  4. Tracer Summit "Database Not Available" Error

    Started by Coldairblows, 08-06-2020 04:57 PM
    • Replies: 5
    • Views: 3,381
    Dad
    08-07-2020, 10:41 AM Go to last post

  5. Basic Chiller Questions

    Started by AlfyR, 07-28-2020 12:27 PM
    • Replies: 5
    • Views: 2,984
    Nuclrchiller
    08-06-2020, 08:35 AM Go to last post

  6. Upgrade to 200 Gallons commercial water heaters

    Started by tiras25, 07-19-2020 02:19 PM
    • Replies: 4
    • Views: 2,848
    dan sw fl
    08-02-2020, 09:30 PM Go to last post

  7. Confused Foster EP1440L freezer, having issues with, looking for help please!!

    Started by GreyBear78, 08-02-2020 06:26 AM
    • Replies: 4
    • Views: 1,584
    GreyBear78
    08-02-2020, 09:26 AM Go to last post

  8. Trane CGAF Chiller with Tracer board controlling fans

    Started by daddybopper, 07-31-2020 08:01 AM
    • Replies: 0
    • Views: 1,382
    daddybopper
    07-31-2020, 08:01 AM Go to last post

  9. How many tons of A/C is this?

    Started by jhsu1027, 06-23-2020 12:51 AM
    3 Attachment(s)
    • Replies: 11
    • Views: 3,056
    AdrienneGC
    07-28-2020, 10:48 AM Go to last post

  10. Cascade system failure

    Started by rexp, 07-27-2020 04:32 PM
    • Replies: 0
    • Views: 1,991
    rexp
    07-27-2020, 04:32 PM Go to last post

  11. Operating 7.5HP Copeland 3 ph compressor on a single phase power supply

    Started by Ahmedgee, 07-22-2020 04:00 PM
    • Replies: 3
    • Views: 2,124
    Restaurant Mech
    07-22-2020, 05:41 PM Go to last post

  12. Parrot Ice Service or Repair Manual

    Started by dansharp, 07-21-2020 01:17 PM
    • Replies: 1
    • Views: 1,706
    Pnasty
    07-22-2020, 05:09 PM Go to last post

  13. Wireless thermostat for rooftop units

    Started by MrQuality, 07-06-2020 08:13 PM
    • Replies: 3
    • Views: 2,249
    MrQuality
    07-22-2020, 07:08 AM Go to last post

  14. Novar Control System in Seattle, WA

    Started by jnlne, 07-17-2020 01:53 PM
    • Replies: 0
    • Views: 1,124
    jnlne
    07-17-2020, 01:53 PM Go to last post

  15. Trane CleanEffects Filter

    Started by gR8T73, 06-08-2020 03:45 PM
    • Replies: 2
    • Views: 1,836
    Pnasty
    07-17-2020, 08:38 AM Go to last post

  16. Commercial HVAC & Lighting with NOVAR Control

    Started by jnlne, 07-16-2020 09:05 PM
    • Replies: 0
    • Views: 1,199
    jnlne
    07-16-2020, 09:05 PM Go to last post

  17. BAS Contractor - near Bloomington IL

    Started by Tim D, 07-13-2020 09:03 AM
    • Replies: 1
    • Views: 1,609
    dan sw fl
    07-16-2020, 02:43 PM Go to last post

  18. Carrier GTN060 chiller

    Started by tsw88, 07-16-2020 11:32 AM
    • Replies: 0
    • Views: 1,196
    tsw88
    07-16-2020, 11:32 AM Go to last post

  19. Chiller system operation

    Started by Sabarinath, 07-07-2020 07:54 AM
    • Replies: 5
    • Views: 1,798
    Pnasty
    07-15-2020, 08:26 PM Go to last post

  20. COVID air changes

    Started by lisabailey, 07-07-2020 12:55 PM
    • Replies: 5
    • Views: 2,367
    gbfromsd
    07-10-2020, 01:37 AM Go to last post

  21. Capillary tube to vapor line how did they do it

    Started by dc17ret, 06-29-2020 04:48 PM
    • Replies: 11
    • Views: 4,104
    BBeerme
    07-03-2020, 07:03 PM Go to last post

  22. True TD-50-18 Beverage Cooler is freezing. HELPPP!!

    Started by citygirl212, 06-27-2020 07:31 PM
    • Replies: 4
    • Views: 2,262
    pecmsg
    07-01-2020, 04:06 PM Go to last post

  23. Premature Wear on a System: Air Flow and Meeting Temperature Set Points

    Started by usernamevf0101, 06-26-2020 03:17 PM
    • Replies: 3
    • Views: 1,637
    usernamevf0101
    07-01-2020, 01:23 PM Go to last post

  24. Latest commercial HVAC tech for hot climates?? New office build

    Started by tonyhale, 06-28-2020 12:38 PM
    • Replies: 2
    • Views: 1,578
    slctech
    06-28-2020, 03:32 PM Go to last post

  25. Red face Mcquay SCU condenser tube leak!!

    Started by jaimster, 06-24-2020 11:44 AM
    • Replies: 1
    • Views: 1,571
    pecmsg
    06-24-2020, 12:39 PM Go to last post

  26. 2019 Trane 50 ton Intellpak RTU

    Started by Cast, 06-21-2020 09:03 PM
    • Replies: 5
    • Views: 1,899
    Cast
    06-23-2020, 06:58 PM Go to last post

  27. LAL1-0310-TAC trips breaker need help / identify part.

    Started by ePi, 06-21-2020 09:36 PM
    2 Attachment(s)
    • Replies: 4
    • Views: 1,866
    pecmsg
    06-23-2020, 05:56 PM Go to last post

  28. TRANE VOYAGER RTU

    Started by russdog1602, 06-16-2020 01:18 PM
    rtrm
    • Replies: 4
    • Views: 2,303
    pecmsg
    06-20-2020, 06:02 AM Go to last post

  29. Need help with Load calc please!!

    Started by 1warmhouse, 06-19-2020 02:26 PM
    • Replies: 0
    • Views: 1,208
    1warmhouse
    06-19-2020, 02:26 PM Go to last post

  30. New Building System Design: Climatic Data Design Temps

    Started by hvactalkerid, 06-10-2020 04:55 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 1,755
    dan sw fl
    06-13-2020, 09:14 AM Go to last post

  31. R410 a

    Started by rickl, 06-11-2020 01:32 PM
    • Replies: 9
    • Views: 2,385
    jbhenergy
    06-12-2020, 05:54 PM Go to last post

  32. HVAC sensor / communication connections

    Started by Lunatech, 05-28-2020 10:19 AM
    • Replies: 2
    • Views: 1,685
    Lunatech
    06-12-2020, 09:36 AM Go to last post

  33. Grundfos Magna3 50-180 Pump Issue

    Started by rimsky, 06-08-2020 11:39 PM
    • Replies: 2
    • Views: 1,652
    rimsky
    06-10-2020, 07:08 AM Go to last post

  34. Daikin dtc601c51 touch controller

    Started by jaybanc, 06-04-2020 05:19 AM
    • Replies: 0
    • Views: 1,499
    jaybanc
    06-04-2020, 05:19 AM Go to last post

  35. Freon

    Started by javedshaikh6100, 05-30-2020 11:09 AM
    • Replies: 6
    • Views: 2,266
    pecmsg
    06-03-2020, 12:31 PM Go to last post

  36. User Manual of absorption chiller and heater

    Started by fatemi, 06-02-2020 03:40 AM
    • Replies: 0
    • Views: 1,403
    fatemi
    06-02-2020, 03:40 AM Go to last post

  37. MCI Bus Conversion add 240V Compressor

    Started by JAP42, 05-30-2020 10:13 PM
    • Replies: 0
    • Views: 1,322
    JAP42
    05-30-2020, 10:13 PM Go to last post

  38. Pressure on ahu

    Started by jakeh83, 05-29-2020 03:43 PM
    • Replies: 0
    • Views: 1,175
    jakeh83
    05-29-2020, 03:43 PM Go to last post

  39. HVAC making low frequency noise

    Started by ellent1974, 05-25-2020 12:00 AM
    • Replies: 0
    • Views: 1,825
    ellent1974
    05-25-2020, 12:00 AM Go to last post

  40. Lennox IMC 1-7 error code 11

    Started by djmhnr, 05-24-2020 11:11 PM
    • Replies: 0
    • Views: 1,510
    djmhnr
    05-24-2020, 11:11 PM Go to last post

  41. Lennox IMC 1-7 error code 11

    Started by djmhnr, 05-24-2020 11:04 PM
    • Replies: 0
    • Views: 1,966
    djmhnr
    05-24-2020, 11:04 PM Go to last post
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