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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. Rule of thumb: Sq Ft per ton of A/C

    Started by Possumking, 09-04-2008 08:02 PM
    2 Pages •
    1 2
    • Replies: 24
    • Views: 254,610
    jpsmith1cm
    03-13-2012, 09:18 PM Go to last post

  3. York Tonnage by Model Number?

    Started by bby, 05-28-2008 05:20 PM
    • Replies: 5
    • Views: 173,806
    bby
    05-28-2008, 11:29 PM Go to last post

  4. cfm's in a ton

    Started by hootie, 04-03-2007 01:25 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 144,749
    yankee fan
    09-13-2009, 12:05 AM Go to last post

  5. Icing up due to overcharge?

    Started by hsteiner, 04-03-2005 10:05 AM
    8 Pages •
    1 2 3 4 5 6 ... 8
    • Replies: 150
    • Views: 136,967
    jpsmith1cm
    08-01-2012, 08:21 PM Go to last post

  6. Hmm Trane Model Numbers?

    Started by Paulio, 03-09-2008 11:02 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 33
    • Views: 130,098
    jdvet79
    04-22-2012, 04:19 PM Go to last post

  7. Trouble shooting Mr. Slim?

    Started by george42, 05-30-2004 02:55 PM
    • Replies: 17
    • Views: 89,985
    bunglebear
    08-03-2004, 04:12 AM Go to last post

  8. York Ycas Chiller Failures

    Started by acjourneyman, 10-25-2007 08:26 PM
    8 Pages •
    1 2 3 4 5 6 ... 8
    2 Attachment(s)
    • Replies: 153
    • Views: 82,013
    cavellg
    01-31-2011, 02:50 PM Go to last post

  9. Arrow VAV vs VVT

    Started by dneil75, 01-26-2005 12:39 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 75,977
    jpsmith1cm
    03-11-2013, 09:54 PM Go to last post

  10. Where are you from?

    Started by _knight_, 08-17-2006 09:13 AM
    17 Pages •
    1 2 3 4 5 6 ... 17
    • Replies: 339
    • Views: 74,056
    shaygetz
    04-12-2009, 01:43 PM Go to last post

  11. high suction pressure

    Started by chillout, 07-18-2004 11:42 PM
    2 Pages •
    1 2
    • Replies: 22
    • Views: 72,334
    rockn_yota
    10-20-2011, 10:01 PM Go to last post

  12. Rule of thumb for CFM?

    Started by sonc, 08-15-2004 05:32 PM
    • Replies: 10
    • Views: 66,803
    tab-tech
    08-17-2004, 06:48 AM Go to last post

  13. TRANE Tech Support

    Started by pete_d, 05-13-2008 11:50 AM
    2 Pages •
    1 2
    • Replies: 21
    • Views: 66,334
    Texas-Tech
    05-19-2008, 09:34 AM Go to last post

  14. Anybody have bad experience with Multistack (Trane) Modular Chillers?

    Started by Paulinator, 03-18-2009 01:11 PM
    4 Pages •
    1 2 3 4
    • Replies: 77
    • Views: 62,598
    jpsmith1cm
    07-22-2012, 05:58 PM Go to last post

  15. Confused York Tech support

    Started by neilvac, 11-17-2005 07:03 PM
    • Replies: 8
    • Views: 62,023
    german 8'er
    11-28-2005, 07:25 PM Go to last post

  16. Confused Unlocking a Trane Thermostat

    Started by hjana1978, 01-11-2005 04:18 PM
    2 Pages •
    1 2
    • Replies: 22
    • Views: 61,620
    Ansonf
    10-29-2011, 02:12 AM Go to last post

  17. Lochinvar Boiler Flame Failure Problem

    Started by jogas, 03-08-2007 04:48 PM
    • Replies: 14
    • Views: 61,117
    74apollo
    10-06-2007, 08:49 PM Go to last post

  18. Question Fan Cycle Controls

    Started by hvac2379, 04-06-2006 03:39 PM
    • Replies: 13
    • Views: 58,589
    navyhydronics
    04-22-2009, 06:51 PM Go to last post

  19. Circuit Setter

    Started by etheric999, 12-09-2007 06:00 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 58,428
    damnductman
    11-28-2010, 01:30 PM Go to last post

  20. which side to charge on

    Started by etheric999, 06-25-2004 09:59 PM
    2 Pages •
    1 2
    • Replies: 29
    • Views: 58,361
    beenthere
    01-27-2005, 04:49 PM Go to last post

  21. York/Coleman model nomenclature

    Started by GenoMan, 06-13-2007 02:18 PM
    • Replies: 12
    • Views: 58,091
    cserik
    12-17-2010, 10:28 AM Go to last post

  22. Liebert CRAC unit - short cycle problem

    Started by Hutch, 07-15-2009 01:09 PM
    2 Pages •
    1 2
    • Replies: 27
    • Views: 57,470
    GoColts
    10-03-2011, 08:52 PM Go to last post

  23. condenser approach

    Started by chillered, 01-27-2006 12:00 AM
    • Replies: 11
    • Views: 56,873
    techtalker
    02-15-2006, 11:49 AM Go to last post

  24. Confused out of ideas

    Started by fruecrue, 12-23-2009 07:20 PM
    19 Pages •
    1 2 3 4 5 6 ... 19
    7 Attachment(s)
    • Replies: 374
    • Views: 56,083
    supertek65
    05-18-2010, 05:53 PM Go to last post

  25. Single phase condenser motor running backwards

    Started by killer v, 07-22-2011 10:46 PM
    • Replies: 19
    • Views: 55,638
    floridaactecdj
    07-28-2011, 08:56 PM Go to last post

  26. Trane vs. York centrifugal

    Started by facilitiesguy, 02-13-2008 03:21 PM
    8 Pages •
    1 2 3 4 5 6 ... 8
    1 Attachment(s)
    • Replies: 159
    • Views: 51,068
    refrtech
    05-19-2008, 09:25 PM Go to last post

  27. Confused Fan External Static Pressure??

    Started by starter, 04-24-2006 12:01 PM
    2 Pages •
    1 2
    • Replies: 21
    • Views: 49,298
    Paulinator
    05-28-2009, 05:03 PM Go to last post

  28. BTU/hr calculation

    Started by pwn01, 08-03-2007 11:22 PM
    2 Pages •
    1 2
    • Replies: 34
    • Views: 48,611
    emcoasthvacr
    09-01-2007, 05:13 PM Go to last post

  29. Radiant vs Air Rotation Units

    Started by billybetts, 03-20-2012 08:56 PM
    • Replies: 4
    • Views: 47,914
    heatingman
    04-01-2012, 10:02 PM Go to last post

  30. Sensible vs Latent heat

    Started by DCN289, 03-13-2008 12:28 PM
    • Replies: 14
    • Views: 47,785
    drivewizard
    03-26-2008, 11:36 PM Go to last post

  31. Pressure checking a Propane Line

    Started by Gebo, 02-02-2008 06:26 PM
    2 Pages •
    1 2
    • Replies: 22
    • Views: 47,498
    hvac_01453
    02-04-2008, 07:43 PM Go to last post

  32. Reheat Coils

    Started by Salvinian, 12-11-2007 10:30 AM
    • Replies: 10
    • Views: 46,642
    artman934
    12-13-2007, 08:35 PM Go to last post

  33. are YORK techs bailing?

    Started by streetsmarts, 10-08-2006 11:30 AM
    11 Pages •
    1 2 3 4 5 6 ... 11
    • Replies: 208
    • Views: 46,048
    frick
    12-06-2008, 08:40 AM Go to last post

  34. Confused suction line freezing

    Started by shultz440, 06-11-2010 07:44 PM
    2 Pages •
    1 2
    • Replies: 39
    • Views: 45,832
    timebuilder
    06-15-2010, 08:14 PM Go to last post

  35. York Chiller Password

    Started by Cool_Love, 04-23-2011 03:50 AM
    2 Pages •
    1 2
    • Replies: 29
    • Views: 45,607
    DANI25486
    07-05-2016, 05:54 PM Go to last post

  36. how long can vaccum hold

    Started by service freak, 01-06-2005 08:25 AM
    5 Pages •
    1 2 3 4 5
    • Replies: 98
    • Views: 45,238
    lugnut
    05-25-2007, 08:48 PM Go to last post

  37. Discharge superheat?

    Started by trane2york, 02-09-2007 10:54 AM
    • Replies: 5
    • Views: 44,809
    heaviwall
    09-30-2007, 04:16 PM Go to last post

  38. 3 phase compressor check

    Started by Ricky Dale, 10-31-2009 01:34 AM
    6 Pages •
    1 2 3 4 5 6
    • Replies: 102
    • Views: 44,677
    timebuilder
    01-04-2010, 07:15 PM Go to last post

  39. Liebert High Head Pressure lockout

    Started by 1tonn, 08-20-2009 09:40 PM
    • Replies: 7
    • Views: 43,439
    ispip
    08-25-2009, 12:32 PM Go to last post

  40. inches of water column

    Started by Defrost, 08-22-2007 05:01 PM
    • Replies: 13
    • Views: 43,392
    mike3
    08-25-2007, 09:03 PM Go to last post

  41. Carrier ComfortLink Alarm Codes

    Started by crowelle, 08-27-2004 03:42 PM
    • Replies: 8
    • Views: 42,353
    JAMACTION
    01-29-2007, 10:47 AM Go to last post
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