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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: 4,045
    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: 3,369
    10-31-2011, 07:37 PM Go to last post
  1. Customer says space is not cold enough.

    Started by Defrost, 06-04-2007 07:28 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,077
    06-05-2007, 06:06 PM Go to last post
  2. Question RE:Building HVAC

    Started by nonarKitten, 06-05-2007 04:31 PM
    • Replies: 7
    • Views: 469
    06-05-2007, 05:31 PM Go to last post
  3. Wye Delta Starters

    Started by trozum, 06-05-2007 12:04 AM
    • Replies: 1
    • Views: 631
    06-05-2007, 05:27 PM Go to last post
  4. filter drier installation

    Started by afafdagher, 06-05-2007 01:39 PM
    • Replies: 1
    • Views: 561
    06-05-2007, 04:32 PM Go to last post
  5. Oil for YS Style C S3 Compressor

    Started by pete_d, 05-30-2007 02:18 PM
    • Replies: 1
    • Views: 507
    06-05-2007, 02:56 PM Go to last post
  6. RTHC EXV terminals

    Started by r404a, 05-29-2007 10:17 PM
    • Replies: 6
    • Views: 711
    06-05-2007, 02:16 PM Go to last post
  7. 40 ton single package RTU

    Started by Diceman, 06-04-2007 05:30 PM
    • Replies: 3
    • Views: 620
    06-05-2007, 09:51 AM Go to last post
  8. Weight of refrigerant per foot

    Started by A-Tech, 06-04-2007 04:39 PM
    • Replies: 2
    • Views: 2,152
    06-05-2007, 06:13 AM Go to last post
  9. New Tech Question?

    Started by lethal52, 04-16-2007 07:02 PM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 153
    • Views: 7,674
    06-04-2007, 09:39 PM Go to last post
  10. Air cooled remote condesor screw chiller

    Started by bobby m, 05-31-2007 10:04 PM
    • Replies: 9
    • Views: 842
    06-04-2007, 07:28 PM Go to last post
  11. Water Source Heat Pump

    Started by A-Tech, 05-31-2007 09:03 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,265
    06-04-2007, 05:11 PM Go to last post
  12. Bad TXV

    Started by toy501, 06-03-2007 02:38 PM
    • Replies: 9
    • Views: 6,174
    06-04-2007, 02:31 PM Go to last post
    • Replies: 10
    • Views: 2,328
    06-04-2007, 01:34 AM Go to last post
  13. Partially shorted holding relay

    Started by toy501, 06-03-2007 04:26 PM
    • Replies: 1
    • Views: 466
    06-04-2007, 12:27 AM Go to last post
  14. 11 HVAC's 11,000sqft

    Started by kjcdude, 06-03-2007 05:49 AM
    • Replies: 3
    • Views: 533
    06-03-2007, 11:36 PM Go to last post
  15. Cooling Tower Woes

    Started by madhat, 05-30-2007 04:58 PM
    • Replies: 5
    • Views: 744
    06-03-2007, 10:35 PM Go to last post
  16. Donaldson Air Dryer

    Started by hands, 05-29-2007 10:43 PM
    • Replies: 11
    • Views: 1,145
    06-03-2007, 01:25 PM Go to last post
  17. Absorber Vacuum Pump

    Started by duke of earl, 05-31-2007 10:28 PM
    • Replies: 3
    • Views: 676
    06-03-2007, 12:55 PM Go to last post
  18. Sight Glass

    Started by toy501, 06-03-2007 03:34 AM
    • Replies: 3
    • Views: 674
    06-03-2007, 12:50 PM Go to last post
  19. York YEAJ Recip Chiller

    Started by bobby m, 05-31-2007 06:08 PM
    • Replies: 7
    • Views: 2,554
    06-03-2007, 11:39 AM Go to last post
  20. what kind of air volume control on 50DF?

    Started by 88fred, 06-03-2007 07:05 AM
    • Replies: 4
    • Views: 1,145
    06-03-2007, 10:22 AM Go to last post
  21. Rotolocks

    Started by Alf, 06-01-2007 12:20 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,416
    06-03-2007, 07:56 AM Go to last post
  22. up and down

    Started by newbeetech, 05-29-2007 04:48 PM
    • Replies: 12
    • Views: 749
    06-03-2007, 05:44 AM Go to last post
  23. Trane chilled water fan coils

    Started by gman994, 05-31-2007 10:22 PM
    • Replies: 6
    • Views: 1,627
    06-03-2007, 01:00 AM Go to last post
  24. Ductless with indoor condenser?

    Started by alexnyc, 06-02-2007 08:47 PM
    • Replies: 0
    • Views: 585
    06-02-2007, 08:47 PM Go to last post
  25. Safeties/Old Carrier RTU w/Economizer

    Started by arcflash, 05-27-2007 08:15 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,155
    06-02-2007, 04:50 PM Go to last post
  26. Hmm expose duct or open ceiling duct

    Started by miller-cold-filtered, 05-28-2007 10:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,269
    06-02-2007, 10:31 AM Go to last post
  27. Question Ruud Package Heatpump

    Started by yorkdude, 06-02-2007 12:13 AM
    • Replies: 8
    • Views: 526
    06-02-2007, 12:28 AM Go to last post
  28. microtech II issue

    Started by mikelcs, 05-31-2007 04:05 PM
    • Replies: 8
    • Views: 669
    06-01-2007, 11:51 PM Go to last post
  29. Trane motor source?

    Started by rgd, 05-30-2007 12:18 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,615
    06-01-2007, 09:52 PM Go to last post
  30. light commercial York RTU's

    Started by Diceman, 05-31-2007 07:18 PM
    • Replies: 4
    • Views: 732
    06-01-2007, 02:59 PM Go to last post
  31. US Air Delaware, Ohio Condenser Data

    Started by engineer, 05-31-2007 09:58 AM
    • Replies: 1
    • Views: 442
    06-01-2007, 07:19 AM Go to last post
  32. HP @ Silo Bend

    Started by Tech Rob, 05-31-2007 11:03 PM
    • Replies: 0
    • Views: 515
    05-31-2007, 11:03 PM Go to last post
  33. Delta T.

    Started by oly77, 05-28-2007 01:07 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,503
    05-31-2007, 02:16 PM Go to last post
  34. Hvac

    Started by seban, 05-31-2007 06:19 AM
    • Replies: 2
    • Views: 600
    05-31-2007, 10:21 AM Go to last post
  35. Smile Pulled into the dark side(commercial)

    Started by epacertified, 05-26-2007 01:26 AM
    • Replies: 10
    • Views: 1,249
    05-30-2007, 08:14 PM Go to last post
  36. 30GB075 (carrier chiller)

    Started by HvAckid82, 05-17-2007 04:56 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 2,742
    05-30-2007, 07:09 PM Go to last post
  37. Moved: confused

    Started by justtrying, 05-30-2007 03:11 PM
    •  
    •  
  38. Arrow black sheep until needed

    Started by hvac_paul, 05-29-2007 11:00 PM
    • Replies: 4
    • Views: 618
    05-30-2007, 12:48 PM Go to last post
  39. Carrier 19XR w/Drive

    Started by goyard4x, 05-29-2007 12:51 PM
    • Replies: 2
    • Views: 599
    05-30-2007, 11:05 AM Go to last post
  40. Unhappy McQuay Microtech passwords

    Started by kwhit, 05-28-2007 09:03 PM
    • Replies: 5
    • Views: 2,460
    05-29-2007, 05:35 PM Go to last post
  41. service bulletin RTAA-SB-5

    Started by Jikhleb Anwar, 05-29-2007 10:35 AM
    • Replies: 2
    • Views: 777
    05-29-2007, 04:41 PM Go to last post
  42. Liebert HiMod Problem

    Started by seawolf 1, 05-12-2007 07:16 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,900
    05-29-2007, 12:02 AM Go to last post
  43. Head Pressure

    Started by slonergan82, 05-28-2007 03:39 PM
    • Replies: 10
    • Views: 957
    05-28-2007, 08:15 PM Go to last post
  44. Trane Chiller

    Started by agross, 08-21-2004 06:00 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,052
    05-28-2007, 06:05 PM Go to last post
  45. Trane controls revisited VERY LARGE IMAGES

    Started by barty, 05-27-2007 12:12 PM
    • Replies: 5
    • Views: 817
    05-28-2007, 02:54 PM Go to last post
  46. Liebert ?

    Started by shavedbygrace, 05-27-2007 11:23 PM
    • Replies: 4
    • Views: 880
    05-28-2007, 02:42 PM Go to last post
  47. checking transformers

    Started by jayguy, 05-23-2007 11:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,890
    05-28-2007, 02:37 PM Go to last post
  48. cooling a computer room

    Started by jeffw_00, 05-20-2007 09:48 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 2,734
    05-28-2007, 09:48 AM Go to last post
  49. 3 phase control

    Started by ej45, 05-26-2007 08:23 PM
    • Replies: 9
    • Views: 902
    05-28-2007, 09:38 AM Go to last post

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