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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. 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: 3,546
    10-31-2011, 07:37 PM Go to last post
  2. Sticky Thread Sticky: >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 4,254
    10-31-2011, 07:41 PM Go to last post
  1. Graphics

    Started by #1servicetech, 09-18-2004 11:52 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,404
    03-29-2006, 08:21 AM Go to last post
  2. Honeywell Excel 5000

    Started by #1servicetech, 11-01-2004 06:07 PM
    • Replies: 4
    • Views: 947
    11-02-2004, 06:48 PM Go to last post
  3. teardown manual for Carrier 19XL

    Started by "kid mechanic", 12-01-2005 06:09 PM
    5 Pages
    1 2 3 4 5
    • Replies: 57
    • Views: 11,622
    03-25-2008, 12:28 AM Go to last post
  4. Thumbs down Trane Series

    Started by "kid mechanic", 01-27-2006 08:48 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,028
    02-14-2006, 10:23 PM Go to last post
  5. York Heatpump Gone Loco

    Started by -80 chuck, 05-02-2007 05:29 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,389
    05-11-2007, 06:37 PM Go to last post
  6. Ever Delt with USM TECH

    Started by -80 chuck, 12-21-2007 05:35 PM
    • Replies: 0
    • Views: 534
    12-21-2007, 05:35 PM Go to last post
  7. make up air

    Started by -frozen-ocean-, 02-10-2006 10:21 PM
    • Replies: 6
    • Views: 1,956
    02-16-2006, 07:37 PM Go to last post
  8. T991A controlling gas valve

    Started by -frozen-ocean-, 01-19-2010 06:43 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,862
    02-19-2010, 07:45 PM Go to last post
  9. W7100 / Chiller

    Started by 1, 11-02-2006 12:06 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,897
    11-15-2006, 11:33 PM Go to last post
  10. Trane 40 ton rtu reciprocating compressor ???

    Started by 10yrtech, 06-26-2009 12:32 AM
    • Replies: 5
    • Views: 1,566
    06-29-2009, 09:02 PM Go to last post
  11. Industrial Workshop HVAC Installation DIY

    Started by 16e-19c, 10-22-2011 06:31 PM
    • Replies: 4
    • Views: 697
    10-23-2011, 10:11 AM Go to last post
  12. Absrbrtek

    Started by 19 D Guy, 04-16-2007 10:02 PM
    • Replies: 6
    • Views: 1,256
    10-01-2007, 10:36 PM Go to last post
  13. Question Dual oil filter setup

    Started by 19 D Guy, 04-19-2007 09:37 PM
    • Replies: 6
    • Views: 1,248
    04-25-2007, 11:41 PM Go to last post
  14. Unhappy Trane RTHB

    Started by 19 D Guy, 04-19-2007 09:53 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,891
    03-05-2009, 06:03 PM Go to last post
  15. Confused CVHF w/ freq drive

    Started by 19 D Guy, 04-25-2007 10:20 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,189
    05-14-2007, 07:23 PM Go to last post
  16. Confused VRTX water treatment

    Started by 19 D Guy, 05-02-2007 07:11 PM
    • Replies: 1
    • Views: 619
    05-02-2007, 08:10 PM Go to last post
  17. Confused Top Techs across the country...

    Started by 19 D Guy, 08-15-2007 11:51 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,798
    08-18-2007, 02:30 AM Go to last post
  18. Confused Anyone having Trane Screw problems?

    Started by 19 D Guy, 08-17-2007 06:22 PM
    • Replies: 5
    • Views: 1,141
    08-20-2007, 10:45 AM Go to last post
  19. Carrier XRV

    Started by 19 D Guy, 09-05-2007 12:12 AM
    • Replies: 8
    • Views: 1,237
    09-11-2007, 03:13 AM Go to last post
  20. Confused Refrigerant Flush

    Started by 19 D Guy, 10-01-2007 03:41 PM
    • Replies: 2
    • Views: 838
    10-01-2007, 05:05 PM Go to last post
  21. Frown CVHE Starter

    Started by 19 D Guy, 11-29-2007 02:10 PM
    • Replies: 8
    • Views: 1,542
    12-12-2007, 10:56 PM Go to last post
  22. Confused CVHE Tail Bearing

    Started by 19 D Guy, 05-01-2008 07:54 AM
    • Replies: 10
    • Views: 1,456
    05-13-2008, 09:04 AM Go to last post
  23. Nortech Industries

    Started by 19 D Guy, 10-30-2008 02:21 PM
    • Replies: 2
    • Views: 791
    10-31-2008, 06:22 PM Go to last post
  24. Question Not cooling

    Started by 1954bill, 06-24-2007 09:33 PM
    • Replies: 3
    • Views: 718
    06-26-2007, 05:03 PM Go to last post
  25. reversing valve--nooo-swoosh

    Started by 1970grancoupe, 05-21-2005 02:06 AM
    • Replies: 6
    • Views: 933
    05-22-2005, 06:23 AM Go to last post
  26. Are you self employed

    Started by 1coolhall, 08-22-2004 09:12 AM
    • Replies: 9
    • Views: 1,391
    08-23-2004, 07:34 AM Go to last post
  27. 4 ton unit 5 ton ducting

    Started by 1doityourselfer, 04-30-2011 12:15 PM
    • Replies: 3
    • Views: 908
    04-30-2011, 07:59 PM Go to last post
  28. Confused diagnosing compressor failure

    Started by 1doityourselfer, 05-12-2011 12:57 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,902
    05-25-2011, 08:44 PM Go to last post
  29. Flame/Heat Detectors

    Started by 1MoCast, 06-03-2011 09:50 PM
    • Replies: 0
    • Views: 483
    06-03-2011, 09:50 PM Go to last post
  30. 3 phase motors

    Started by 1rockman, 11-10-2005 10:58 PM
    • Replies: 3
    • Views: 752
    11-10-2005, 11:40 PM Go to last post
  31. Confused ptac units m# ptee0702uaba

    Started by 1setupman, 09-23-2013 01:57 PM
    • Replies: 0
    • Views: 291
    09-23-2013, 01:57 PM Go to last post
  32. Please help cracked heat exchr?????

    Started by 1stanner, 01-26-2006 08:37 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,678
    02-04-2006, 08:30 PM Go to last post
  33. How does this happen??

    Started by 1stanner, 01-28-2006 08:02 PM
    • Replies: 3
    • Views: 951
    01-29-2006, 01:05 AM Go to last post
  34. Hmm Varitrac-box of parts

    Started by 1tonn, 02-28-2008 06:53 PM
    • Replies: 1
    • Views: 508
    02-28-2008, 08:06 PM Go to last post
  35. Liebert High Head Pressure lockout

    Started by 1tonn, 08-20-2009 09:40 PM
    • Replies: 7
    • Views: 8,860
    08-25-2009, 12:32 PM Go to last post
  36. Hmm Rapid direct-fire burners

    Started by 1tonn, 01-18-2011 05:51 PM
    • Replies: 8
    • Views: 608
    01-19-2011, 06:58 PM Go to last post
    • Replies: 0
    • Views: 293
    04-01-2014, 01:44 PM Go to last post
  37. honeywell or not so well

    Started by 21degrees, 04-19-2008 02:32 AM
    • Replies: 2
    • Views: 713
    04-19-2008, 09:47 AM Go to last post
  38. Question Need help Out dated temp. controller

    Started by 242447, 02-11-2007 05:01 PM
    • Replies: 4
    • Views: 599
    02-12-2007, 09:29 AM Go to last post
  39. Carrier VVT

    Started by 242447, 02-12-2007 10:46 PM
    • Replies: 2
    • Views: 1,255
    02-13-2007, 10:48 PM Go to last post
  40. Unhappy 2-Stage Temp Controller

    Started by 242447, 01-11-2008 05:59 PM
    • Replies: 4
    • Views: 711
    01-12-2008, 08:51 AM Go to last post
  41. Lowering the discharge pressure

    Started by 242447, 09-27-2008 01:34 AM
    • Replies: 8
    • Views: 1,135
    09-29-2008, 05:55 PM Go to last post
  42. Confused Three Phase Blower motor

    Started by 242447, 11-11-2008 08:54 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,688
    11-12-2008, 05:10 PM Go to last post
  43. Confused York Chiller YCAV0247

    Started by 242447, 06-27-2009 12:18 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,948
    07-01-2009, 04:59 AM Go to last post
  44. Snyder General McQuay

    Started by 24seven, 07-06-2009 05:32 PM
    • Replies: 8
    • Views: 1,784
    07-10-2009, 09:00 AM Go to last post
  45. How do you do it?

    Started by 250, 10-31-2010 06:00 PM
    • Replies: 2
    • Views: 625
    11-01-2010, 06:17 PM Go to last post
  46. R12/R134A relief piping

    Started by 250x, 01-17-2007 09:51 PM
    • Replies: 9
    • Views: 2,894
    01-22-2007, 09:32 AM Go to last post
  47. Trane Blackbook

    Started by 270wsm, 11-27-2004 11:17 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 8,283
    12-09-2007, 09:26 AM Go to last post
  48. Heater sizing question

    Started by 270wsm, 01-10-2007 12:00 AM
    • Replies: 4
    • Views: 744
    01-11-2007, 11:35 AM Go to last post
  49. Carrier CLO

    Started by 270wsm, 09-18-2007 06:42 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,276
    09-19-2007, 09:13 PM Go to last post

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