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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: 9,302
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,111
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. up and down

    Started by newbeetech, 05-29-2007 04:48 PM
    • Replies: 12
    • Views: 1,090
    06-03-2007, 05:44 AM Go to last post
  3. Trane chilled water fan coils

    Started by gman994, 05-31-2007 10:22 PM
    • Replies: 6
    • Views: 2,283
    06-03-2007, 01:00 AM Go to last post
  4. Ductless with indoor condenser?

    Started by alexnyc, 06-02-2007 08:47 PM
    • Replies: 0
    • Views: 842
    06-02-2007, 08:47 PM Go to last post
  5. Safeties/Old Carrier RTU w/Economizer

    Started by arcflash, 05-27-2007 08:15 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 4,569
    06-02-2007, 04:50 PM Go to last post
  6. 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: 1,946
    06-02-2007, 10:31 AM Go to last post
  7. Question Ruud Package Heatpump

    Started by yorkdude, 06-02-2007 12:13 AM
    • Replies: 8
    • Views: 799
    06-02-2007, 12:28 AM Go to last post
  8. microtech II issue

    Started by mikelcs, 05-31-2007 04:05 PM
    • Replies: 8
    • Views: 954
    06-01-2007, 11:51 PM Go to last post
  9. Trane motor source?

    Started by rgd, 05-30-2007 12:18 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,694
    06-01-2007, 09:52 PM Go to last post
  10. light commercial York RTU's

    Started by Diceman, 05-31-2007 07:18 PM
    • Replies: 4
    • Views: 931
    06-01-2007, 02:59 PM Go to last post
  11. US Air Delaware, Ohio Condenser Data

    Started by engineer, 05-31-2007 09:58 AM
    • Replies: 1
    • Views: 618
    06-01-2007, 07:19 AM Go to last post
  12. HP @ Silo Bend

    Started by Tech Rob, 05-31-2007 11:03 PM
    • Replies: 0
    • Views: 753
    05-31-2007, 11:03 PM Go to last post
  13. Delta T.

    Started by oly77, 05-28-2007 01:07 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,424
    05-31-2007, 02:16 PM Go to last post
  14. Hvac

    Started by seban, 05-31-2007 06:19 AM
    • Replies: 2
    • Views: 775
    05-31-2007, 10:21 AM Go to last post
  15. Smile Pulled into the dark side(commercial)

    Started by epacertified, 05-26-2007 01:26 AM
    • Replies: 10
    • Views: 1,768
    05-30-2007, 08:14 PM Go to last post
  16. 30GB075 (carrier chiller)

    Started by HvAckid82, 05-17-2007 04:56 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 4,168
    05-30-2007, 07:09 PM Go to last post
  17. Moved: confused

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

    Started by hvac_paul, 05-29-2007 11:00 PM
    • Replies: 4
    • Views: 898
    05-30-2007, 12:48 PM Go to last post
  19. Carrier 19XR w/Drive

    Started by goyard4x, 05-29-2007 12:51 PM
    • Replies: 2
    • Views: 805
    05-30-2007, 11:05 AM Go to last post
  20. Unhappy McQuay Microtech passwords

    Started by kwhit, 05-28-2007 09:03 PM
    • Replies: 5
    • Views: 4,666
    05-29-2007, 05:35 PM Go to last post
  21. service bulletin RTAA-SB-5

    Started by Jikhleb Anwar, 05-29-2007 10:35 AM
    • Replies: 2
    • Views: 1,074
    05-29-2007, 04:41 PM Go to last post
  22. Liebert HiMod Problem

    Started by seawolf 1, 05-12-2007 07:16 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,705
    05-29-2007, 12:02 AM Go to last post
  23. Head Pressure

    Started by slonergan82, 05-28-2007 03:39 PM
    • Replies: 10
    • Views: 1,492
    05-28-2007, 08:15 PM Go to last post
  24. Trane Chiller

    Started by agross, 08-21-2004 06:00 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,270
    05-28-2007, 06:05 PM Go to last post
  25. Trane controls revisited VERY LARGE IMAGES

    Started by barty, 05-27-2007 12:12 PM
    • Replies: 5
    • Views: 1,085
    05-28-2007, 02:54 PM Go to last post
  26. Liebert ?

    Started by shavedbygrace, 05-27-2007 11:23 PM
    • Replies: 4
    • Views: 1,334
    05-28-2007, 02:42 PM Go to last post
  27. checking transformers

    Started by jayguy, 05-23-2007 11:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,772
    05-28-2007, 02:37 PM Go to last post
  28. cooling a computer room

    Started by jeffw_00, 05-20-2007 09:48 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 4,040
    05-28-2007, 09:48 AM Go to last post
  29. 3 phase control

    Started by ej45, 05-26-2007 08:23 PM
    • Replies: 9
    • Views: 1,269
    05-28-2007, 09:38 AM Go to last post
  30. Idle System

    Started by pargo 650, 05-27-2007 12:18 PM
    • Replies: 3
    • Views: 762
    05-27-2007, 08:17 PM Go to last post
  31. weak transformer?

    Started by little john, 05-16-2007 10:11 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 4,616
    05-27-2007, 07:11 PM Go to last post
  32. Unhappy Whalen Heat Pump Problem

    Started by hvtec, 05-26-2007 12:23 AM
    • Replies: 1
    • Views: 2,409
    05-26-2007, 12:21 PM Go to last post
  33. Some Questions

    Started by madcitysw, 05-24-2007 03:25 PM
    • Replies: 8
    • Views: 1,595
    05-26-2007, 10:32 AM Go to last post
  34. Operating Room RTU

    Started by jayhawker, 05-21-2007 11:13 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,856
    05-26-2007, 10:29 AM Go to last post
  35. Economizer causing contactor failures

    Started by websy, 03-22-2007 09:09 AM
    • Replies: 9
    • Views: 2,434
    05-25-2007, 11:07 PM Go to last post
  36. how long can vaccum hold

    Started by service freak, 01-06-2005 09:25 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 98
    • Views: 15,883
    05-25-2007, 08:48 PM Go to last post
  37. liquid line too big? need input!

    Started by mster, 05-19-2007 10:00 PM
    • Replies: 12
    • Views: 1,546
    05-25-2007, 04:40 PM Go to last post
  38. Question 19XR chiller alarm

    Started by mathias, 05-03-2007 06:51 PM
    • Replies: 6
    • Views: 1,247
    05-24-2007, 11:21 PM Go to last post
  39. Auto Repair Shop- type of furnace?

    Started by maxi426, 05-10-2007 01:11 PM
    • Replies: 9
    • Views: 1,316
    05-24-2007, 09:21 PM Go to last post
  40. 19DH oil presure

    Started by al o, 05-23-2007 05:48 PM
    • Replies: 8
    • Views: 1,154
    05-24-2007, 09:15 PM Go to last post
  41. 19DK with 3200MP upgrade

    Started by hvacprofessor, 05-17-2007 05:49 PM
    • Replies: 8
    • Views: 1,238
    05-24-2007, 08:50 PM Go to last post
  42. Lightbulb 3ph/1ph scroll, any info please.

    Started by blugrsvt, 05-23-2007 02:54 AM
    • Replies: 2
    • Views: 828
    05-24-2007, 08:32 PM Go to last post
  43. carrier flotronic chiller

    Started by muchofreeo, 05-23-2007 02:03 PM
    • Replies: 5
    • Views: 2,362
    05-24-2007, 06:10 PM Go to last post
  44. Question propane conversion on old rheem

    Started by lb32g, 05-02-2007 11:05 PM
    • Replies: 7
    • Views: 2,104
    05-24-2007, 02:14 PM Go to last post
  45. trane cg100 chiller oil!!!

    Started by michael26, 05-22-2007 10:40 PM
    • Replies: 5
    • Views: 1,777
    05-23-2007, 10:59 PM Go to last post
  46. Refrigerant Mangement

    Started by big johnson, 05-23-2007 02:13 PM
    • Replies: 2
    • Views: 677
    05-23-2007, 02:56 PM Go to last post
  47. Question Problem with an 8MBTU/h boiler

    Started by november04, 05-11-2007 11:39 AM
    • Replies: 5
    • Views: 928
    05-23-2007, 08:13 AM Go to last post
  48. Restaurant HVAC Load

    Started by JBocc, 04-30-2007 08:43 PM
    • Replies: 5
    • Views: 6,437
    05-23-2007, 01:06 AM Go to last post
  49. at the mercy of an HVAC expert

    Started by storeowner, 05-04-2007 05:27 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 3,905
    05-23-2007, 12:46 AM Go to last post
  50. Cooling load problems

    Started by mtnwrench, 05-22-2007 10:53 AM
    • Replies: 5
    • Views: 1,429
    05-23-2007, 12:46 AM Go to last post
  51. Noise issue

    Started by lostndebox, 05-20-2007 12:00 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,614
    05-23-2007, 12:30 AM Go to last post

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