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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: 9,754
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,492
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. fault codes

    Started by oldtimer2, 12-08-2008 02:03 PM
    • Replies: 1
    • Views: 2,976
    12-08-2008, 10:00 PM Go to last post
    • Replies: 3
    • Views: 1,199
    12-08-2008, 06:12 PM Go to last post
  3. Electric Heaters

    Started by jmhemiram, 12-03-2008 10:35 PM
    • Replies: 6
    • Views: 869
    12-08-2008, 04:25 PM Go to last post
  4. Impeller Repairs

    Started by CaptJackSparrow, 11-12-2008 10:07 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,476
    12-08-2008, 03:15 PM Go to last post
  5. Smile Carrier centrifugal chiller onboard measurements

    Started by Karl2008, 12-07-2008 08:48 PM
    • Replies: 12
    • Views: 1,586
    12-08-2008, 08:21 AM Go to last post
  6. York CX-TDC9E chiller controller

    Started by bunglebear, 12-07-2008 07:11 PM
    • Replies: 0
    • Views: 639
    12-07-2008, 07:11 PM Go to last post
  7. 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: 2,988
    12-06-2008, 10:50 AM Go to last post
  8. 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: 36,333
    12-06-2008, 09:40 AM Go to last post
  9. pneumatic stat

    Started by emtim, 11-11-2008 10:33 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,253
    12-06-2008, 02:27 AM Go to last post
  10. Roll out switch

    Started by herschmidt, 12-05-2008 10:06 PM
    • Replies: 1
    • Views: 958
    12-05-2008, 11:32 PM Go to last post
  11. Confused Chrysler Air Temp compressor tonnage?

    Started by Frzrk, 12-04-2008 06:08 PM
    • Replies: 5
    • Views: 1,311
    12-05-2008, 08:31 PM Go to last post
  12. Rooftop unit costs

    Started by Bob Hart, 12-05-2008 05:06 PM
    • Replies: 2
    • Views: 890
    12-05-2008, 06:38 PM Go to last post
  13. Economizer Payback Software

    Started by RichL, 08-11-2008 02:25 PM
    • Replies: 8
    • Views: 2,014
    12-05-2008, 01:35 PM Go to last post
  14. Confused Carrier VVT issues

    Started by danjohnson, 01-02-2008 06:08 PM
    • Replies: 5
    • Views: 1,770
    12-05-2008, 01:23 PM Go to last post
  15. Smile york model number?

    Started by ptrck, 12-03-2008 10:50 PM
    • Replies: 4
    • Views: 1,222
    12-05-2008, 07:31 AM Go to last post
  16. need IOM for York YCAS0503

    Started by stblz, 12-05-2008 06:46 AM
    • Replies: 0
    • Views: 658
    12-05-2008, 06:46 AM Go to last post
  17. Need Help...

    Started by BigBillyStyler, 12-04-2008 07:10 PM
    • Replies: 2
    • Views: 700
    12-05-2008, 02:52 AM Go to last post
  18. W7100G Discharge Water Control

    Started by madhat, 11-18-2008 11:27 AM
    • Replies: 7
    • Views: 1,187
    12-04-2008, 08:26 PM Go to last post
  19. Question Climatrol unit tonnage?

    Started by Frzrk, 12-02-2008 05:49 PM
    • Replies: 2
    • Views: 3,590
    12-04-2008, 04:06 PM Go to last post
  20. Swapping out a Carrier Debonair Commercial Thermostat

    Started by rcpwisc, 12-02-2008 05:48 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,878
    12-04-2008, 01:30 PM Go to last post
  21. Carrier Gen 2 Parts wanted

    Started by zulululu, 02-02-2008 03:55 PM
    • Replies: 6
    • Views: 1,105
    12-04-2008, 09:41 AM Go to last post
  22. "cold beam" cooling

    Started by Randy S., 12-03-2008 09:34 AM
    • Replies: 6
    • Views: 3,367
    12-04-2008, 12:23 AM Go to last post
  23. McQuay WSHP

    Started by corny, 10-13-2008 08:41 PM
    • Replies: 6
    • Views: 2,213
    12-03-2008, 11:55 PM Go to last post
  24. Trane Air cooled chiller

    Started by cooljoesa, 11-30-2008 02:12 AM
    • Replies: 10
    • Views: 2,754
    12-03-2008, 09:26 PM Go to last post
  25. Thanksgiving Treat to Read

    Started by triggerhappy, 11-27-2008 09:19 AM
    • Replies: 2
    • Views: 769
    12-03-2008, 05:47 PM Go to last post
  26. Cooling Tower Make-up Water GPM

    Started by marauderx, 12-02-2008 11:08 AM
    • Replies: 2
    • Views: 1,487
    12-03-2008, 10:31 AM Go to last post
  27. 3 ton Split Sanyo

    Started by jpnova70, 12-03-2008 10:00 AM
    • Replies: 0
    • Views: 551
    12-03-2008, 10:00 AM Go to last post
  28. Copeland Application R-22 to other ref

    Started by techtalker, 12-03-2008 09:55 AM
    • Replies: 0
    • Views: 575
    12-03-2008, 09:55 AM Go to last post
  29. trane adaptaview good or bad??

    Started by infraredsurvey, 12-01-2008 03:34 PM
    • Replies: 3
    • Views: 921
    12-03-2008, 03:00 AM Go to last post
  30. Unhappy MAMMOTH IOM & DIAGRAMS

    Started by mrhvacmechanic, 11-25-2008 11:26 PM
    • Replies: 6
    • Views: 1,964
    12-02-2008, 10:12 PM Go to last post
  31. BDP Rooftop Unit

    Started by SKloss, 11-26-2008 04:28 PM
    • Replies: 7
    • Views: 3,713
    12-01-2008, 09:30 PM Go to last post
  32. Trane Intellipak high duct static trip/lockout

    Started by elvis66, 11-13-2008 12:14 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 4,826
    12-01-2008, 05:36 PM Go to last post
    • Replies: 5
    • Views: 1,836
    12-01-2008, 05:26 PM Go to last post
  33. Cheap HVAC systems

    Started by Jed54, 11-30-2008 09:48 PM
    • Replies: 5
    • Views: 1,565
    12-01-2008, 03:06 PM Go to last post
  34. Calculating CFM in relation to Sensible Cooling

    Started by Jmuscate, 11-23-2008 08:18 PM
    • Replies: 5
    • Views: 6,011
    12-01-2008, 12:30 AM Go to last post
  35. Controlling single pipe steam systems

    Started by cleancondenser, 11-26-2008 08:25 PM
    • Replies: 12
    • Views: 1,967
    11-30-2008, 08:28 PM Go to last post
  36. My thread is gone?

    Started by DeWitts, 11-30-2008 03:33 PM
    • Replies: 3
    • Views: 701
    11-30-2008, 06:30 PM Go to last post
  37. YT Style J liq level control valve?

    Started by drivewizard, 11-22-2008 12:29 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 3,532
    11-30-2008, 11:01 AM Go to last post
  38. Thumbs down mcquay als425 loosing compressor

    Started by accobra, 11-15-2008 12:34 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,212
    11-30-2008, 02:13 AM Go to last post
  39. Steam and water hammer

    Started by sigma, 11-27-2004 04:04 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 5,309
    11-29-2008, 11:27 AM Go to last post
  40. Efficiency of Direct Fired Absorption & CoGen

    Started by Roxbury, 11-27-2008 08:28 AM
    • Replies: 1
    • Views: 595
    11-29-2008, 10:57 AM Go to last post
  41. Info!

    Started by rogersniraq73, 11-28-2008 08:24 AM
    • Replies: 0
    • Views: 556
    11-28-2008, 08:24 AM Go to last post
  42. 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: 3,292
    11-28-2008, 04:30 AM Go to last post
  43. Happy Thanksgiving to all of you!

    Started by jayguy, 11-27-2008 04:37 PM
    • Replies: 0
    • Views: 566
    11-27-2008, 04:37 PM Go to last post
    • Replies: 3
    • Views: 2,160
    11-27-2008, 09:50 AM Go to last post
  44. york chiller overhaul

    Started by dfac, 10-09-2008 10:54 AM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 6,512
    11-27-2008, 07:39 AM Go to last post
  45. Recip info

    Started by turbomaster, 11-27-2008 12:02 AM
    • Replies: 0
    • Views: 647
    11-27-2008, 12:02 AM Go to last post
  46. AutoMatrix Trending

    Started by gbrandstrom, 11-26-2008 04:54 PM
    • Replies: 1
    • Views: 588
    11-26-2008, 07:43 PM Go to last post
  47. York YCAS0268e846 chiller compressor problems

    Started by james mo, 11-25-2008 06:37 PM
    • Replies: 7
    • Views: 1,281
    11-26-2008, 06:10 PM Go to last post
  48. VFD for a fan: Minimum percent

    Started by seyedaed, 11-11-2008 12:11 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 4,144
    11-26-2008, 05:57 PM Go to last post

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