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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: 11,202
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 9,697
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Impeller Repairs

    Started by CaptJackSparrow, 11-12-2008 10:07 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,618
    12-08-2008, 03:15 PM Go to last post
  3. Smile Carrier centrifugal chiller onboard measurements

    Started by Karl2008, 12-07-2008 08:48 PM
    • Replies: 12
    • Views: 1,644
    12-08-2008, 08:21 AM Go to last post
  4. York CX-TDC9E chiller controller

    Started by bunglebear, 12-07-2008 07:11 PM
    • Replies: 0
    • Views: 679
    12-07-2008, 07:11 PM Go to last post
  5. Need advice on chilled water versus air system

    Started by nexsen, 11-26-2008 03:18 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 3,205
    12-06-2008, 10:50 AM Go to last post
  6. are YORK techs bailing?

    Started by streetsmarts, 10-08-2006 11:30 AM
    17 Pages
    1 2 3 4 5 6 ... 17
    • Replies: 208
    • Views: 37,437
    12-06-2008, 09:40 AM Go to last post
  7. pneumatic stat

    Started by emtim, 11-11-2008 10:33 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,358
    12-06-2008, 02:27 AM Go to last post
  8. Roll out switch

    Started by herschmidt, 12-05-2008 10:06 PM
    • Replies: 1
    • Views: 982
    12-05-2008, 11:32 PM Go to last post
  9. Confused Chrysler Air Temp compressor tonnage?

    Started by Frzrk, 12-04-2008 06:08 PM
    • Replies: 5
    • Views: 1,418
    12-05-2008, 08:31 PM Go to last post
  10. Rooftop unit costs

    Started by Bob Hart, 12-05-2008 05:06 PM
    • Replies: 2
    • Views: 946
    12-05-2008, 06:38 PM Go to last post
  11. Economizer Payback Software

    Started by RichL, 08-11-2008 02:25 PM
    • Replies: 8
    • Views: 2,069
    12-05-2008, 01:35 PM Go to last post
  12. Confused Carrier VVT issues

    Started by danjohnson, 01-02-2008 06:08 PM
    • Replies: 5
    • Views: 1,880
    12-05-2008, 01:23 PM Go to last post
  13. Smile york model number?

    Started by ptrck, 12-03-2008 10:50 PM
    • Replies: 4
    • Views: 1,275
    12-05-2008, 07:31 AM Go to last post
  14. need IOM for York YCAS0503

    Started by stblz, 12-05-2008 06:46 AM
    • Replies: 0
    • Views: 677
    12-05-2008, 06:46 AM Go to last post
  15. Need Help...

    Started by BigBillyStyler, 12-04-2008 07:10 PM
    • Replies: 2
    • Views: 739
    12-05-2008, 02:52 AM Go to last post
  16. W7100G Discharge Water Control

    Started by madhat, 11-18-2008 11:27 AM
    • Replies: 7
    • Views: 1,226
    12-04-2008, 08:26 PM Go to last post
  17. Question Climatrol unit tonnage?

    Started by Frzrk, 12-02-2008 05:49 PM
    • Replies: 2
    • Views: 3,878
    12-04-2008, 04:06 PM Go to last post
  18. Swapping out a Carrier Debonair Commercial Thermostat

    Started by rcpwisc, 12-02-2008 05:48 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,966
    12-04-2008, 01:30 PM Go to last post
  19. Carrier Gen 2 Parts wanted

    Started by zulululu, 02-02-2008 03:55 PM
    • Replies: 6
    • Views: 1,136
    12-04-2008, 09:41 AM Go to last post
  20. "cold beam" cooling

    Started by Randy S., 12-03-2008 09:34 AM
    • Replies: 6
    • Views: 3,552
    12-04-2008, 12:23 AM Go to last post
  21. McQuay WSHP

    Started by corny, 10-13-2008 08:41 PM
    • Replies: 6
    • Views: 2,330
    12-03-2008, 11:55 PM Go to last post
  22. Trane Air cooled chiller

    Started by cooljoesa, 11-30-2008 02:12 AM
    • Replies: 10
    • Views: 3,058
    12-03-2008, 09:26 PM Go to last post
  23. Thanksgiving Treat to Read

    Started by triggerhappy, 11-27-2008 09:19 AM
    • Replies: 2
    • Views: 783
    12-03-2008, 05:47 PM Go to last post
  24. Cooling Tower Make-up Water GPM

    Started by marauderx, 12-02-2008 11:08 AM
    • Replies: 2
    • Views: 1,540
    12-03-2008, 10:31 AM Go to last post
  25. 3 ton Split Sanyo

    Started by jpnova70, 12-03-2008 10:00 AM
    • Replies: 0
    • Views: 571
    12-03-2008, 10:00 AM Go to last post
  26. Copeland Application R-22 to other ref

    Started by techtalker, 12-03-2008 09:55 AM
    • Replies: 0
    • Views: 605
    12-03-2008, 09:55 AM Go to last post
  27. trane adaptaview good or bad??

    Started by infraredsurvey, 12-01-2008 03:34 PM
    • Replies: 3
    • Views: 941
    12-03-2008, 03:00 AM Go to last post
  28. Unhappy MAMMOTH IOM & DIAGRAMS

    Started by mrhvacmechanic, 11-25-2008 11:26 PM
    • Replies: 6
    • Views: 2,097
    12-02-2008, 10:12 PM Go to last post
  29. BDP Rooftop Unit

    Started by SKloss, 11-26-2008 04:28 PM
    • Replies: 7
    • Views: 3,940
    12-01-2008, 09:30 PM Go to last post
  30. Trane Intellipak high duct static trip/lockout

    Started by elvis66, 11-13-2008 12:14 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 5,057
    12-01-2008, 05:36 PM Go to last post
    • Replies: 5
    • Views: 1,947
    12-01-2008, 05:26 PM Go to last post
  31. Cheap HVAC systems

    Started by Jed54, 11-30-2008 09:48 PM
    • Replies: 5
    • Views: 1,608
    12-01-2008, 03:06 PM Go to last post
  32. Calculating CFM in relation to Sensible Cooling

    Started by Jmuscate, 11-23-2008 08:18 PM
    • Replies: 5
    • Views: 6,340
    12-01-2008, 12:30 AM Go to last post
  33. Controlling single pipe steam systems

    Started by cleancondenser, 11-26-2008 08:25 PM
    • Replies: 12
    • Views: 2,039
    11-30-2008, 08:28 PM Go to last post
  34. My thread is gone?

    Started by DeWitts, 11-30-2008 03:33 PM
    • Replies: 3
    • Views: 728
    11-30-2008, 06:30 PM Go to last post
  35. YT Style J liq level control valve?

    Started by drivewizard, 11-22-2008 12:29 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 3,671
    11-30-2008, 11:01 AM Go to last post
  36. Thumbs down mcquay als425 loosing compressor

    Started by accobra, 11-15-2008 12:34 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,293
    11-30-2008, 02:13 AM Go to last post
  37. Steam and water hammer

    Started by sigma, 11-27-2004 04:04 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 5,509
    11-29-2008, 11:27 AM Go to last post
  38. Efficiency of Direct Fired Absorption & CoGen

    Started by Roxbury, 11-27-2008 08:28 AM
    • Replies: 1
    • Views: 621
    11-29-2008, 10:57 AM Go to last post
  39. Info!

    Started by rogersniraq73, 11-28-2008 08:24 AM
    • Replies: 0
    • Views: 580
    11-28-2008, 08:24 AM Go to last post
  40. R22 Phase out going to stop my project

    Started by maintenanceguy, 11-21-2008 11:18 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 3,413
    11-28-2008, 04:30 AM Go to last post
  41. Happy Thanksgiving to all of you!

    Started by jayguy, 11-27-2008 04:37 PM
    • Replies: 0
    • Views: 599
    11-27-2008, 04:37 PM Go to last post
    • Replies: 3
    • Views: 2,511
    11-27-2008, 09:50 AM Go to last post
  42. york chiller overhaul

    Started by dfac, 10-09-2008 10:54 AM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 6,938
    11-27-2008, 07:39 AM Go to last post
  43. Recip info

    Started by turbomaster, 11-27-2008 12:02 AM
    • Replies: 0
    • Views: 664
    11-27-2008, 12:02 AM Go to last post
  44. AutoMatrix Trending

    Started by gbrandstrom, 11-26-2008 04:54 PM
    • Replies: 1
    • Views: 607
    11-26-2008, 07:43 PM Go to last post
  45. York YCAS0268e846 chiller compressor problems

    Started by james mo, 11-25-2008 06:37 PM
    • Replies: 7
    • Views: 1,306
    11-26-2008, 06:10 PM Go to last post
  46. VFD for a fan: Minimum percent

    Started by seyedaed, 11-11-2008 12:11 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 4,719
    11-26-2008, 05:57 PM Go to last post
  47. RTHB180 No oil in seperator

    Started by Emcorman, 11-21-2008 04:18 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,553
    11-26-2008, 12:54 PM Go to last post
  48. Peh063

    Started by tknorman, 11-18-2008 06:48 PM
    • Replies: 8
    • Views: 1,513
    11-25-2008, 11:54 PM Go to last post
  49. duct heater replacement elements

    Started by gsxrsquid, 11-20-2008 11:38 AM
    • Replies: 8
    • Views: 2,293
    11-25-2008, 11:50 PM Go to last post

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