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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: 6,542
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 5,615
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Cool Compressor tripping thermal overloads

    Started by acc-jb, 05-04-2007 10:47 PM
    • Replies: 6
    • Views: 1,103
    05-05-2007, 07:51 PM Go to last post
  3. Charging a 13 seer unit.

    Started by justabluecollar, 05-05-2007 11:58 AM
    • Replies: 3
    • Views: 596
    05-05-2007, 06:38 PM Go to last post
  4. Retail store HVAC design

    Started by davebab, 04-25-2007 10:22 AM
    • Replies: 7
    • Views: 1,598
    05-05-2007, 06:09 PM Go to last post
  5. Thumbs down cost of transitions

    Started by davebab, 05-05-2007 05:56 PM
    • Replies: 1
    • Views: 564
    05-05-2007, 05:59 PM Go to last post
  6. Head pressure control on Package unit.

    Started by ricm, 05-03-2007 03:40 PM
    • Replies: 10
    • Views: 1,454
    05-05-2007, 02:03 PM Go to last post
  7. adding oil/ 40 ton intellipak

    Started by Timber, 05-03-2007 02:43 PM
    • Replies: 8
    • Views: 1,266
    05-05-2007, 10:55 AM Go to last post
  8. Flotronic Chiller Charging

    Started by apprentice3, 05-04-2007 09:09 PM
    • Replies: 2
    • Views: 715
    05-05-2007, 10:52 AM Go to last post
  9. YCH UCP J8 connector problems

    Started by JohnBuckingham, 05-04-2007 10:30 AM
    • Replies: 2
    • Views: 605
    05-05-2007, 07:24 AM Go to last post
  10. Exhaust Fan Sizing for Machine Shop

    Started by maxpwr, 05-01-2007 07:55 PM
    • Replies: 8
    • Views: 1,621
    05-04-2007, 09:34 PM Go to last post
  11. Trane summit system.

    Started by simpleman, 05-04-2007 01:18 PM
    • Replies: 1
    • Views: 880
    05-04-2007, 07:34 PM Go to last post
  12. 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: 3,370
    05-03-2007, 11:42 PM Go to last post
  13. 177 cfm per ton

    Started by james mo, 05-03-2007 06:03 PM
    • Replies: 5
    • Views: 1,282
    05-03-2007, 10:39 PM Go to last post
  14. York Millinium Condensor Fans

    Started by madhat, 04-30-2007 04:18 PM
    • Replies: 2
    • Views: 763
    05-03-2007, 09:23 PM Go to last post
  15. Condenser Coil Cleaning

    Started by lostndebox, 05-02-2007 09:44 PM
    • Replies: 12
    • Views: 1,422
    05-03-2007, 08:37 PM Go to last post
  16. Mini-split

    Started by mroy3, 05-01-2007 01:53 PM
    • Replies: 10
    • Views: 1,122
    05-03-2007, 12:08 PM Go to last post
  17. 30GB CCN comms problem?

    Started by izombie, 05-01-2007 03:32 AM
    • Replies: 2
    • Views: 784
    05-03-2007, 01:45 AM Go to last post
  18. Trane with no crankcase heaters?

    Started by JohnBuckingham, 05-01-2007 02:13 PM
    • Replies: 10
    • Views: 1,716
    05-02-2007, 10:41 PM Go to last post
  19. Mcquay

    Started by ej45, 05-02-2007 08:42 PM
    • Replies: 1
    • Views: 672
    05-02-2007, 08:51 PM Go to last post
  20. Confused VRTX water treatment

    Started by 19 D Guy, 05-02-2007 07:11 PM
    • Replies: 1
    • Views: 768
    05-02-2007, 08:10 PM Go to last post
  21. Scale Issues

    Started by NESTORAS, 05-01-2007 04:56 PM
    • Replies: 4
    • Views: 908
    05-02-2007, 02:20 PM Go to last post
  22. Megohmeters

    Started by _knight_, 05-01-2007 05:24 PM
    • Replies: 6
    • Views: 1,180
    05-02-2007, 01:41 PM Go to last post
  23. head pressure swing problem

    Started by vibration, 04-30-2007 08:34 PM
    • Replies: 4
    • Views: 918
    05-01-2007, 11:37 AM Go to last post
  24. 100 ton compressor change out?

    Started by allstar08, 04-26-2007 08:14 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,277
    05-01-2007, 12:51 AM Go to last post
  25. Apr Valves

    Started by acguy25, 04-30-2007 09:50 PM
    • Replies: 3
    • Views: 1,611
    04-30-2007, 10:49 PM Go to last post
  26. Confused 19 xl pumpout unit

    Started by franko 134a, 04-26-2007 06:20 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,939
    04-30-2007, 07:47 PM Go to last post
  27. Air Rotation Heaters

    Started by bonafide, 04-27-2007 07:27 AM
    • Replies: 11
    • Views: 2,755
    04-30-2007, 10:30 AM Go to last post
  28. Leaky Capacitors

    Started by dixie2005, 04-23-2007 06:02 PM
    • Replies: 11
    • Views: 1,673
    04-29-2007, 08:31 PM Go to last post
  29. Confused ch530 key

    Started by chillermafi, 04-10-2007 11:39 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 3,418
    04-28-2007, 11:52 PM Go to last post
  30. Bidding commercial work

    Started by sirheat, 04-28-2007 12:06 PM
    • Replies: 10
    • Views: 1,855
    04-28-2007, 09:49 PM Go to last post
  31. Acceptable FPM low pressure ductwork

    Started by madhat, 04-28-2007 03:08 PM
    • Replies: 0
    • Views: 632
    04-28-2007, 03:08 PM Go to last post
  32. scale

    Started by NESTORAS, 04-28-2007 01:58 PM
    • Replies: 1
    • Views: 691
    04-28-2007, 02:17 PM Go to last post
  33. chiller service quick ref

    Started by blue32, 04-28-2007 08:43 AM
    • Replies: 2
    • Views: 813
    04-28-2007, 10:23 AM Go to last post
    • Replies: 9
    • Views: 2,543
    04-28-2007, 12:27 AM Go to last post
  34. Help with the dual pressure control

    Started by carter11, 04-26-2007 11:31 PM
    • Replies: 7
    • Views: 911
    04-27-2007, 04:26 PM Go to last post
  35. Carrier A/H making noise????????

    Started by kanodogg, 04-26-2007 11:10 AM
    • Replies: 8
    • Views: 1,264
    04-27-2007, 03:26 PM Go to last post
  36. Hmm cleaning the system

    Started by NESTORAS, 04-24-2007 03:43 PM
    • Replies: 7
    • Views: 982
    04-27-2007, 12:29 PM Go to last post
  37. trane 30 ton compressor change out time?

    Started by tjc, 04-20-2007 09:28 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,936
    04-27-2007, 11:58 AM Go to last post
  38. ? for 19DK experts

    Started by ZeroCool, 04-26-2007 09:09 AM
    • Replies: 3
    • Views: 872
    04-26-2007, 08:49 PM Go to last post
  39. Cool Heat Pump Installation Process

    Started by btu24/7, 04-26-2007 06:38 PM
    • Replies: 3
    • Views: 542
    04-26-2007, 07:15 PM Go to last post
  40. Big Units 407C?

    Started by big johnson, 04-23-2007 01:48 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,138
    04-26-2007, 05:17 PM Go to last post
  41. Duct Mastic

    Started by big johnson, 04-10-2007 10:33 AM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 3,307
    04-26-2007, 01:31 PM Go to last post
  42. Aaon Units, Good Or Bad

    Started by dirtyboy103us, 04-20-2007 09:56 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,587
    04-26-2007, 07:49 AM Go to last post
  43. Lennox L series rooftop economizer

    Started by lostndebox, 04-25-2007 05:14 PM
    • Replies: 4
    • Views: 2,300
    04-26-2007, 06:25 AM Go to last post
  44. Question Dual oil filter setup

    Started by 19 D Guy, 04-19-2007 09:37 PM
    • Replies: 6
    • Views: 1,463
    04-25-2007, 11:41 PM Go to last post
  45. Record keeping requirement

    Started by andjanuary, 04-21-2007 11:54 AM
    • Replies: 6
    • Views: 1,201
    04-25-2007, 11:09 PM Go to last post
  46. Gas driven chiller

    Started by chillerguru, 04-25-2007 10:27 PM
    • Replies: 0
    • Views: 547
    04-25-2007, 10:27 PM Go to last post
  47. Oil Pressure Cutout control

    Started by madhat, 04-25-2007 12:52 PM
    • Replies: 4
    • Views: 1,251
    04-25-2007, 10:26 PM Go to last post
  48. Carrier 30GT-210 Chiller

    Started by apprentice3, 04-25-2007 06:41 PM
    • Replies: 1
    • Views: 1,728
    04-25-2007, 09:14 PM Go to last post
  49. Hard--shutoff TXV

    Started by gerryboy00, 04-23-2007 04:17 PM
    • Replies: 11
    • Views: 4,284
    04-25-2007, 12:38 PM Go to last post
  50. TurboCor Compressor?

    Started by excel, 04-21-2007 12:20 AM
    • Replies: 6
    • Views: 2,314
    04-24-2007, 10:18 PM Go to last post

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