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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky: >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 4,370
    10-31-2011, 07:41 PM Go to last post
  2. Sticky Thread Sticky: A must read for all members...Who can reply to the AOP area

    Started by Dad, 10-31-2011 07:37 PM
    • Replies: 0
    • Views: 3,650
    10-31-2011, 07:37 PM Go to last post
  1. Chiller vs. Vert. Self Contained Units

    Started by xac, 07-09-2007 10:00 AM
    • Replies: 3
    • Views: 2,032
    07-12-2007, 08:07 PM Go to last post
  2. split R-410 h/p - no traps?

    Started by wefixes, 07-12-2007 12:31 AM
    • Replies: 2
    • Views: 572
    07-12-2007, 06:05 PM Go to last post
  3. Txv ?

    Started by jvillehvac, 07-10-2007 10:10 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,341
    07-12-2007, 01:24 PM Go to last post
  4. Liebert high humidity alarm

    Started by griz, 07-09-2007 12:15 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 4,170
    07-12-2007, 08:34 AM Go to last post
  5. Climatemaster water source units

    Started by wardprop, 07-10-2007 07:32 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,503
    07-11-2007, 09:08 PM Go to last post
  6. Kinda like a Carrier Extra-Zone?

    Started by Bigg Tech, 07-11-2007 08:19 PM
    • Replies: 0
    • Views: 770
    07-11-2007, 08:19 PM Go to last post
  7. Hmm BAYSENSO19B Thermostat manual

    Started by the mechani, 04-04-2006 04:34 PM
    • Replies: 9
    • Views: 4,933
    07-11-2007, 12:13 PM Go to last post
  8. Wink Trane CSHA compressor

    Started by freonguy, 07-09-2007 03:26 PM
    • Replies: 7
    • Views: 2,047
    07-10-2007, 11:42 PM Go to last post
  9. Refractometer

    Started by apprentice3, 07-07-2007 03:51 PM
    • Replies: 12
    • Views: 1,125
    07-10-2007, 09:14 AM Go to last post
  10. Curious for Update, Sekar, R U There?

    Started by makinmoney, 07-09-2007 04:49 PM
    • Replies: 0
    • Views: 454
    07-09-2007, 04:49 PM Go to last post
  11. Trane BYC170-need same footprint

    Started by timjimbob, 07-09-2007 01:58 PM
    • Replies: 0
    • Views: 2,145
    07-09-2007, 01:58 PM Go to last post
  12. Confused Invensys Actuator

    Started by can, 07-03-2007 12:37 AM
    • Replies: 6
    • Views: 824
    07-09-2007, 08:07 AM Go to last post
  13. Yorktek37

    Started by chiller32, 06-18-2007 09:46 PM
    • Replies: 12
    • Views: 1,014
    07-09-2007, 05:54 AM Go to last post
  14. lyo

    Started by jkj92, 07-08-2007 11:31 PM
    • Replies: 0
    • Views: 407
    07-08-2007, 11:31 PM Go to last post
  15. YORY YCAI issues

    Started by clgman, 06-27-2007 06:59 PM
    • Replies: 4
    • Views: 729
    07-08-2007, 11:21 PM Go to last post
  16. legacy chillers

    Started by sfry, 07-08-2007 08:05 PM
    • Replies: 1
    • Views: 624
    07-08-2007, 11:04 PM Go to last post
  17. FX mobile

    Started by little john, 07-07-2007 12:08 PM
    • Replies: 4
    • Views: 574
    07-08-2007, 05:48 PM Go to last post
    • Replies: 12
    • Views: 958
    07-08-2007, 01:08 PM Go to last post
  18. Chiller Piping Question???

    Started by hvacmike33, 07-03-2007 08:54 AM
    • Replies: 9
    • Views: 935
    07-08-2007, 12:11 PM Go to last post
  19. Acid Neutralizers

    Started by txhvac, 07-05-2007 08:31 PM
    • Replies: 6
    • Views: 1,117
    07-08-2007, 12:06 PM Go to last post
  20. Trane Screw Chiller

    Started by apprentice3, 07-07-2007 02:25 PM
    • Replies: 5
    • Views: 2,280
    07-08-2007, 11:48 AM Go to last post
  21. Carrier Chiller

    Started by chr358, 07-07-2007 02:17 PM
    • Replies: 4
    • Views: 687
    07-08-2007, 08:56 AM Go to last post
  22. 06D Semi-hermetic pump-down problem

    Started by 747ken, 04-23-2006 08:52 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 4,215
    07-08-2007, 04:34 AM Go to last post
  23. Confused Help Engineering A Job

    Started by Jwork, 07-07-2007 08:16 PM
    • Replies: 7
    • Views: 814
    07-07-2007, 09:27 PM Go to last post
  24. mitsu 410 service port size?

    Started by bigtuna, 07-05-2007 09:56 PM
    • Replies: 3
    • Views: 669
    07-07-2007, 04:37 PM Go to last post
  25. PTAC 4,000btu/h or 7,000btu/h

    Started by jontd, 06-05-2007 11:52 AM
    • Replies: 12
    • Views: 982
    07-07-2007, 03:52 PM Go to last post
  26. cpe valve

    Started by clachar, 07-04-2007 08:32 PM
    • Replies: 1
    • Views: 487
    07-06-2007, 10:39 PM Go to last post
  27. Help with design-build issue

    Started by CubFan, 07-06-2007 01:14 PM
    • Replies: 4
    • Views: 501
    07-06-2007, 10:37 PM Go to last post
  28. Sight glass placement

    Started by hands, 06-28-2007 09:16 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,823
    07-06-2007, 09:05 PM Go to last post
  29. Trane VV550 LON on VCCF VAV

    Started by mikebaxter, 07-06-2007 04:16 AM
    • Replies: 1
    • Views: 1,135
    07-06-2007, 07:20 PM Go to last post
  30. finding the btus for pizza oven with no tag

    Started by jvstang, 07-05-2007 07:52 PM
    • Replies: 6
    • Views: 540
    07-06-2007, 12:58 PM Go to last post
  31. Confused Danfoss Maneurop MT 64

    Started by wizardlim98, 07-06-2007 07:10 AM
    • Replies: 0
    • Views: 1,463
    07-06-2007, 07:10 AM Go to last post
  32. Confused Transformer Overheating

    Started by referprosumday, 07-01-2007 08:03 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,679
    07-06-2007, 06:31 AM Go to last post
  33. What do you think of specializing in DDC?

    Started by jcrollinghills, 07-04-2007 11:03 PM
    • Replies: 3
    • Views: 586
    07-06-2007, 02:51 AM Go to last post
  34. Humidifier Higromatik Hy17

    Started by Luce, 07-06-2007 12:38 AM
    • Replies: 0
    • Views: 1,120
    07-06-2007, 12:38 AM Go to last post
  35. Liebert stops in it's tracks....

    Started by D'Laine, 06-27-2007 10:21 PM
    • Replies: 12
    • Views: 990
    07-05-2007, 11:18 PM Go to last post
  36. Two Phase Condition

    Started by refpro021702, 07-03-2007 03:41 AM
    • Replies: 9
    • Views: 1,135
    07-05-2007, 10:33 PM Go to last post
    • Replies: 15
    • Views: 1,829
    07-05-2007, 10:28 PM Go to last post
  37. Tons/Sq.Ft.

    Started by shanetouhy, 07-02-2007 09:31 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,044
    07-05-2007, 09:47 PM Go to last post
  38. service tech ( entry level)

    Started by sotien, 07-04-2007 02:39 PM
    • Replies: 5
    • Views: 651
    07-05-2007, 09:34 PM Go to last post
  39. Chrysler Airtemp

    Started by John E, 07-03-2007 08:33 PM
    • Replies: 5
    • Views: 945
    07-05-2007, 09:22 PM Go to last post
  40. Undersized LL Drier?

    Started by makinmoney, 07-02-2007 04:56 PM
    • Replies: 7
    • Views: 843
    07-05-2007, 07:43 PM Go to last post
  41. dirty filters

    Started by little john, 07-03-2007 01:08 AM
    • Replies: 10
    • Views: 828
    07-05-2007, 07:35 PM Go to last post
  42. Trane thermostats

    Started by catch48, 11-13-2004 03:55 PM
    • Replies: 10
    • Views: 5,989
    07-05-2007, 03:32 PM Go to last post
  43. Leak detection, What would you use?

    Started by troublshooter, 04-25-2007 10:52 AM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 4,446
    07-04-2007, 09:04 PM Go to last post
  44. Expansion Valve Selection

    Started by A-Tech, 07-04-2007 07:29 AM
    • Replies: 2
    • Views: 3,263
    07-04-2007, 09:38 AM Go to last post
  45. McQuay A Vintage Problem

    Started by floodedstart, 07-01-2007 10:47 AM
    • Replies: 6
    • Views: 774
    07-04-2007, 07:34 AM Go to last post
  46. Confused Goodman Rooftop PHK024 High head pressure

    Started by hockey, 06-14-2007 01:56 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,447
    07-04-2007, 06:51 AM Go to last post
  47. Moved: Unloading 25-ton working HVAC units.

    Started by rooftopunits, 07-03-2007 09:08 PM
    •  
    •  
  48. Ingersoll-Rand Air Dryer

    Started by hands, 07-02-2007 08:36 PM
    • Replies: 4
    • Views: 606
    07-03-2007, 08:00 PM Go to last post

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