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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: 4,181
    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: 3,482
    10-31-2011, 07:37 PM Go to last post
  1. trane rauc problem

    Started by jeep6275, 05-03-2007 09:39 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,604
    05-06-2007, 05:42 PM Go to last post
  2. Confused Carrier Headache

    Started by skpkey9, 05-03-2007 03:39 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 2,195
    05-06-2007, 12:11 PM Go to last post
  3. Where can i get a clue about VFDs???

    Started by troublshooter, 04-25-2007 03:01 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 2,951
    05-06-2007, 12:11 PM Go to last post
  4. Question Noisy scroll

    Started by evad102, 05-03-2007 10:00 PM
    • Replies: 10
    • Views: 1,396
    05-06-2007, 09:53 AM Go to last post
  5. Confused Compressor windings

    Started by nedberger, 05-05-2007 08:33 PM
    • Replies: 5
    • Views: 5,770
    05-06-2007, 07:50 AM Go to last post
  6. Carrier 38AQS CLO

    Started by douknowq, 04-30-2007 09:00 AM
    • Replies: 7
    • Views: 1,537
    05-06-2007, 02:16 AM Go to last post
  7. Bearing Issues

    Started by turbo50mike, 04-28-2007 11:52 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,175
    05-05-2007, 10:33 PM Go to last post
  8. Confused another 19xl question

    Started by franko 134a, 05-04-2007 11:04 AM
    • Replies: 1
    • Views: 464
    05-05-2007, 08:24 PM Go to last post
  9. Cool Compressor tripping thermal overloads

    Started by acc-jb, 05-04-2007 10:47 PM
    • Replies: 6
    • Views: 909
    05-05-2007, 07:51 PM Go to last post
  10. Charging a 13 seer unit.

    Started by justabluecollar, 05-05-2007 11:58 AM
    • Replies: 3
    • Views: 499
    05-05-2007, 06:38 PM Go to last post
  11. Retail store HVAC design

    Started by davebab, 04-25-2007 10:22 AM
    • Replies: 7
    • Views: 1,309
    05-05-2007, 06:09 PM Go to last post
  12. Thumbs down cost of transitions

    Started by davebab, 05-05-2007 05:56 PM
    • Replies: 1
    • Views: 455
    05-05-2007, 05:59 PM Go to last post
  13. Head pressure control on Package unit.

    Started by ricm, 05-03-2007 03:40 PM
    • Replies: 10
    • Views: 1,099
    05-05-2007, 02:03 PM Go to last post
  14. adding oil/ 40 ton intellipak

    Started by Timber, 05-03-2007 02:43 PM
    • Replies: 8
    • Views: 1,004
    05-05-2007, 10:55 AM Go to last post
  15. Flotronic Chiller Charging

    Started by apprentice3, 05-04-2007 09:09 PM
    • Replies: 2
    • Views: 609
    05-05-2007, 10:52 AM Go to last post
  16. YCH UCP J8 connector problems

    Started by JohnBuckingham, 05-04-2007 10:30 AM
    • Replies: 2
    • Views: 491
    05-05-2007, 07:24 AM Go to last post
  17. Exhaust Fan Sizing for Machine Shop

    Started by maxpwr, 05-01-2007 07:55 PM
    • Replies: 8
    • Views: 1,312
    05-04-2007, 09:34 PM Go to last post
  18. Trane summit system.

    Started by simpleman, 05-04-2007 01:18 PM
    • Replies: 1
    • Views: 753
    05-04-2007, 07:34 PM Go to last post
  19. Help, Noisy compressor & No explanation, weird one.

    Started by Tool-Slinger, 04-26-2007 10:41 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 2,567
    05-03-2007, 11:42 PM Go to last post
  20. 177 cfm per ton

    Started by james mo, 05-03-2007 06:03 PM
    • Replies: 5
    • Views: 1,120
    05-03-2007, 10:39 PM Go to last post
  21. York Millinium Condensor Fans

    Started by madhat, 04-30-2007 04:18 PM
    • Replies: 2
    • Views: 677
    05-03-2007, 09:23 PM Go to last post
  22. Condenser Coil Cleaning

    Started by lostndebox, 05-02-2007 09:44 PM
    • Replies: 12
    • Views: 1,096
    05-03-2007, 08:37 PM Go to last post
  23. Mini-split

    Started by mroy3, 05-01-2007 01:53 PM
    • Replies: 10
    • Views: 951
    05-03-2007, 12:08 PM Go to last post
  24. 30GB CCN comms problem?

    Started by izombie, 05-01-2007 03:32 AM
    • Replies: 2
    • Views: 696
    05-03-2007, 01:45 AM Go to last post
  25. Trane with no crankcase heaters?

    Started by JohnBuckingham, 05-01-2007 02:13 PM
    • Replies: 10
    • Views: 1,382
    05-02-2007, 10:41 PM Go to last post
  26. Mcquay

    Started by ej45, 05-02-2007 08:42 PM
    • Replies: 1
    • Views: 541
    05-02-2007, 08:51 PM Go to last post
  27. Confused VRTX water treatment

    Started by 19 D Guy, 05-02-2007 07:11 PM
    • Replies: 1
    • Views: 611
    05-02-2007, 08:10 PM Go to last post
  28. Scale Issues

    Started by NESTORAS, 05-01-2007 04:56 PM
    • Replies: 4
    • Views: 775
    05-02-2007, 02:20 PM Go to last post
  29. Megohmeters

    Started by _knight_, 05-01-2007 05:24 PM
    • Replies: 6
    • Views: 1,027
    05-02-2007, 01:41 PM Go to last post
  30. head pressure swing problem

    Started by vibration, 04-30-2007 08:34 PM
    • Replies: 4
    • Views: 789
    05-01-2007, 11:37 AM Go to last post
  31. 100 ton compressor change out?

    Started by allstar08, 04-26-2007 08:14 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,844
    05-01-2007, 12:51 AM Go to last post
  32. Apr Valves

    Started by acguy25, 04-30-2007 09:50 PM
    • Replies: 3
    • Views: 1,274
    04-30-2007, 10:49 PM Go to last post
  33. Confused 19 xl pumpout unit

    Started by franko 134a, 04-26-2007 06:20 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,526
    04-30-2007, 07:47 PM Go to last post
  34. Air Rotation Heaters

    Started by bonafide, 04-27-2007 07:27 AM
    • Replies: 11
    • Views: 2,391
    04-30-2007, 10:30 AM Go to last post
  35. Leaky Capacitors

    Started by dixie2005, 04-23-2007 06:02 PM
    • Replies: 11
    • Views: 1,335
    04-29-2007, 08:31 PM Go to last post
  36. Confused ch530 key

    Started by chillermafi, 04-10-2007 11:39 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 2,825
    04-28-2007, 11:52 PM Go to last post
  37. Bidding commercial work

    Started by sirheat, 04-28-2007 12:06 PM
    • Replies: 10
    • Views: 1,443
    04-28-2007, 09:49 PM Go to last post
  38. Acceptable FPM low pressure ductwork

    Started by madhat, 04-28-2007 03:08 PM
    • Replies: 0
    • Views: 526
    04-28-2007, 03:08 PM Go to last post
  39. scale

    Started by NESTORAS, 04-28-2007 01:58 PM
    • Replies: 1
    • Views: 564
    04-28-2007, 02:17 PM Go to last post
  40. chiller service quick ref

    Started by blue32, 04-28-2007 08:43 AM
    • Replies: 2
    • Views: 701
    04-28-2007, 10:23 AM Go to last post
    • Replies: 9
    • Views: 2,080
    04-28-2007, 12:27 AM Go to last post
  41. Help with the dual pressure control

    Started by carter11, 04-26-2007 11:31 PM
    • Replies: 7
    • Views: 741
    04-27-2007, 04:26 PM Go to last post
  42. Carrier A/H making noise????????

    Started by kanodogg, 04-26-2007 11:10 AM
    • Replies: 8
    • Views: 1,097
    04-27-2007, 03:26 PM Go to last post
  43. Hmm cleaning the system

    Started by NESTORAS, 04-24-2007 03:43 PM
    • Replies: 7
    • Views: 853
    04-27-2007, 12:29 PM Go to last post
  44. trane 30 ton compressor change out time?

    Started by tjc, 04-20-2007 09:28 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,394
    04-27-2007, 11:58 AM Go to last post
  45. ? for 19DK experts

    Started by ZeroCool, 04-26-2007 09:09 AM
    • Replies: 3
    • Views: 709
    04-26-2007, 08:49 PM Go to last post
  46. Cool Heat Pump Installation Process

    Started by btu24/7, 04-26-2007 06:38 PM
    • Replies: 3
    • Views: 434
    04-26-2007, 07:15 PM Go to last post
  47. Big Units 407C?

    Started by big johnson, 04-23-2007 01:48 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,611
    04-26-2007, 05:17 PM Go to last post
  48. Duct Mastic

    Started by big johnson, 04-10-2007 10:33 AM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 2,504
    04-26-2007, 01:31 PM Go to last post
  49. Aaon Units, Good Or Bad

    Started by dirtyboy103us, 04-20-2007 09:56 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,073
    04-26-2007, 07:49 AM Go to last post

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