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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: 9,120
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 7,952
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. my first Packaged Rooftop replacement

    Started by CE-TECH, 10-07-2010 09:00 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,120
    10-09-2010, 05:23 PM Go to last post
  3. How can low airflow harm compressors?

    Started by NWTABguy, 10-07-2010 04:39 PM
    • Replies: 10
    • Views: 1,402
    10-08-2010, 06:46 PM Go to last post
  4. Confused Carrier 30 HW Package Chiller-R22

    Started by hvactech80, 10-08-2010 03:54 PM
    • Replies: 1
    • Views: 2,040
    10-08-2010, 05:23 PM Go to last post
    • Replies: 1
    • Views: 1,944
    10-08-2010, 03:22 PM Go to last post
  5. Duo-rad fancoil parts needed

    Started by lonboy, 10-08-2010 01:20 PM
    • Replies: 0
    • Views: 1,005
    10-08-2010, 01:20 PM Go to last post
  6. R410A flammability

    Started by klove, 09-23-2010 10:15 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 9,920
    10-07-2010, 11:38 PM Go to last post
    • Replies: 4
    • Views: 944
    10-07-2010, 09:02 PM Go to last post
  7. Confused yaskawa VFD

    Started by duke of earl, 10-01-2010 10:11 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 3,816
    10-07-2010, 05:43 PM Go to last post
  8. Question 10 ton compressor c/out-high superheat !?!

    Started by airdesignguy, 09-27-2010 10:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,858
    10-06-2010, 03:28 PM Go to last post
  9. 30GTN...T055

    Started by uboatcmdr, 06-03-2010 07:03 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 4,644
    10-06-2010, 02:27 PM Go to last post
  10. room static pressure ?

    Started by newbe0507, 10-05-2010 11:54 PM
    • Replies: 3
    • Views: 2,246
    10-06-2010, 09:56 AM Go to last post
  11. Vacuum Test

    Started by colo4x4rado, 10-04-2010 02:52 PM
    • Replies: 10
    • Views: 5,102
    10-05-2010, 08:35 AM Go to last post
  12. Angry DIGI-COOL INSTRUMETRIX TEST INSTRUMENTS

    Started by JKD, 07-21-2010 08:25 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 108
    • Views: 11,327
    10-05-2010, 04:03 AM Go to last post
  13. HW Loop filter

    Started by LightGuy48, 10-04-2010 11:03 AM
    • Replies: 5
    • Views: 1,436
    10-05-2010, 12:37 AM Go to last post
  14. Confused honeywell control links,,problem

    Started by boilernazi, 10-01-2010 10:36 PM
    • Replies: 4
    • Views: 2,255
    10-04-2010, 05:16 PM Go to last post
  15. Lenox Prodigy control and smoke detectors

    Started by Diceman, 09-17-2010 01:32 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 8,323
    10-03-2010, 03:28 PM Go to last post
  16. I need a 120v heatpump

    Started by bagunn, 09-29-2010 07:57 PM
    • Replies: 6
    • Views: 1,849
    10-02-2010, 01:25 AM Go to last post
  17. R-410A Sporlan TXV failing

    Started by cas82, 09-25-2010 04:08 PM
    • Replies: 4
    • Views: 2,344
    10-02-2010, 01:23 AM Go to last post
  18. honeywell RM7800 control

    Started by aircondologist, 03-08-2010 03:58 PM
    • Replies: 7
    • Views: 3,961
    10-01-2010, 11:51 PM Go to last post
    • Replies: 2
    • Views: 845
    10-01-2010, 11:42 PM Go to last post
    • Replies: 5
    • Views: 1,033
    10-01-2010, 09:23 PM Go to last post
  19. help YK

    Started by servicetrane, 10-01-2010 12:28 PM
    • Replies: 1
    • Views: 692
    10-01-2010, 09:16 PM Go to last post
  20. vfd used on heat strips ?

    Started by licensed to chill, 09-24-2010 09:45 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,445
    10-01-2010, 08:47 PM Go to last post
  21. York air cooled screw chiller

    Started by cajunmechanical, 09-30-2010 06:23 PM
    • Replies: 6
    • Views: 1,601
    10-01-2010, 10:45 AM Go to last post
  22. Has Anyone Used a Digital Phase Converter

    Started by DavidNJ, 07-23-2010 07:26 PM
    • Replies: 7
    • Views: 1,748
    10-01-2010, 07:06 AM Go to last post
  23. Trane Reliatel Package Unit Economizer problem

    Started by Brian8383, 09-25-2010 03:09 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 5,783
    10-01-2010, 05:58 AM Go to last post
  24. Can you identify?

    Started by Senior Tech, 09-30-2010 10:16 AM
    • Replies: 4
    • Views: 925
    09-30-2010, 10:38 PM Go to last post
  25. Use of Chilled Beams

    Started by kurrodu, 01-03-2008 04:48 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 5,385
    09-30-2010, 09:04 PM Go to last post
  26. Experience with Elodrive actuators?

    Started by fixitman, 05-01-2006 11:57 AM
    • Replies: 5
    • Views: 2,676
    09-30-2010, 03:26 PM Go to last post
  27. "Hotpack" R-134A Superheat Settings???

    Started by wannabegood, 09-29-2010 04:45 PM
    • Replies: 2
    • Views: 1,142
    09-30-2010, 03:25 PM Go to last post
    • Replies: 0
    • Views: 564
    09-30-2010, 08:33 AM Go to last post
  28. Hmm lennox economizer code 92

    Started by ryan79, 09-21-2010 09:00 PM
    • Replies: 12
    • Views: 3,734
    09-29-2010, 08:09 AM Go to last post
  29. FIREYE error FREQUENCY/NOISE

    Started by supertek65, 09-28-2010 07:06 PM
    • Replies: 8
    • Views: 1,455
    09-28-2010, 11:18 PM Go to last post
  30. Question TRANE HUMAN INTERFACE PANEL

    Started by mrhvacmechanic, 09-28-2010 12:04 AM
    • Replies: 1
    • Views: 1,769
    09-28-2010, 11:04 PM Go to last post
  31. POOL PAKS ?

    Started by firedup, 09-25-2010 10:35 PM
    • Replies: 2
    • Views: 925
    09-28-2010, 08:50 PM Go to last post
  32. RTAA

    Started by PJ's cool-aid, 09-27-2010 12:00 PM
    • Replies: 7
    • Views: 1,263
    09-28-2010, 04:39 PM Go to last post
  33. Carrier 48TME012 draft inducer trouble code

    Started by hvacpope, 09-27-2010 05:39 PM
    • Replies: 3
    • Views: 1,910
    09-27-2010, 09:46 PM Go to last post
  34. UA QUESTION

    Started by acjourneyman, 09-16-2010 09:57 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 4,243
    09-27-2010, 08:07 PM Go to last post
  35. LEED Spreadsheet

    Started by riverman, 09-23-2010 08:06 AM
    • Replies: 2
    • Views: 2,286
    09-27-2010, 03:12 PM Go to last post
  36. Question ac pm trane-York 5-10 ton unit

    Started by jerry358, 09-21-2010 10:01 PM
    • Replies: 4
    • Views: 1,696
    09-27-2010, 09:50 AM Go to last post
  37. RTAC - Low oil flow

    Started by jimbob73, 08-25-2006 12:10 AM
    • Replies: 8
    • Views: 4,025
    09-26-2010, 05:04 PM Go to last post
  38. PermaFrost oil treatment

    Started by tomtac, 08-19-2009 10:54 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 5,807
    09-26-2010, 03:22 AM Go to last post
  39. Question HEAT CONTROLLER UNIT MANUAL

    Started by mrhvacmechanic, 09-24-2010 10:25 PM
    • Replies: 2
    • Views: 978
    09-25-2010, 09:49 PM Go to last post
  40. Snapped Shaft on BAC Tower

    Started by manny238, 09-22-2010 10:37 PM
    • Replies: 5
    • Views: 1,143
    09-25-2010, 09:48 PM Go to last post
  41. Mcquay PEH050(1985) Chiller

    Started by chillerguru, 09-23-2010 12:32 PM
    • Replies: 5
    • Views: 1,964
    09-25-2010, 09:15 AM Go to last post
  42. Confused Abb Vfd Wtf!!

    Started by troublshooter, 09-28-2007 02:39 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 8,508
    09-25-2010, 03:34 AM Go to last post
  43. Vacuum Gauge Help

    Started by acrefrig, 09-23-2010 11:20 AM
    • Replies: 6
    • Views: 1,757
    09-24-2010, 03:48 PM Go to last post
  44. Danfoss Compressor Leaks - Carrier Units

    Started by manny238, 08-16-2010 11:36 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,526
    09-24-2010, 10:43 AM Go to last post
  45. Carrier 30HR,HS070-225

    Started by JBM1000, 09-24-2010 12:48 AM
    • Replies: 0
    • Views: 978
    09-24-2010, 12:48 AM Go to last post
  46. Aaon-WattMaster

    Started by duke of earl, 09-22-2010 08:43 PM
    • Replies: 3
    • Views: 970
    09-23-2010, 08:17 PM Go to last post

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