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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky Threads

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  2. Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 08:41 PM
    • Replies: 0
    • Views: 5,039
    10-31-2011, 08:41 PM Go to last post
    • Replies: 0
    • Views: 4,234
    10-31-2011, 08:37 PM Go to last post
  1. Normal Thread Normal Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Coil Cleaning machines....anybody buy them?

    Started by Mikeylikesit, 08-14-2008 10:25 AM
    • Replies: 12
    • Views: 5,465
    10-11-2010, 03:32 PM Go to last post
  3. dataaire design Q about head pressure

    Started by My77GMC, 10-08-2010 01:22 AM
    • Replies: 1
    • Views: 580
    10-10-2010, 09:11 PM Go to last post
  4. MUA question

    Started by dmd-marc, 10-08-2010 08:59 PM
    • Replies: 5
    • Views: 753
    10-10-2010, 12:12 PM Go to last post
  5. Looking for pdf on Trane unit.

    Started by intech, 10-06-2010 09:56 PM
    • Replies: 1
    • Views: 560
    10-10-2010, 12:24 AM Go to last post
  6. my first Packaged Rooftop replacement

    Started by CE-TECH, 10-07-2010 10:00 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,681
    10-09-2010, 06:23 PM Go to last post
  7. How can low airflow harm compressors?

    Started by NWTABguy, 10-07-2010 05:39 PM
    • Replies: 10
    • Views: 1,057
    10-08-2010, 07:46 PM Go to last post
  8. Confused Carrier 30 HW Package Chiller-R22

    Started by hvactech80, 10-08-2010 04:54 PM
    • Replies: 1
    • Views: 1,658
    10-08-2010, 06:23 PM Go to last post
    • Replies: 1
    • Views: 1,515
    10-08-2010, 04:22 PM Go to last post
  9. Duo-rad fancoil parts needed

    Started by lonboy, 10-08-2010 02:20 PM
    • Replies: 0
    • Views: 732
    10-08-2010, 02:20 PM Go to last post
  10. R410A flammability

    Started by klove, 09-23-2010 11:15 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 6,279
    10-08-2010, 12:38 AM Go to last post
    • Replies: 4
    • Views: 810
    10-07-2010, 10:02 PM Go to last post
  11. Confused yaskawa VFD

    Started by duke of earl, 10-01-2010 11:11 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,896
    10-07-2010, 06:43 PM Go to last post
  12. Question 10 ton compressor c/out-high superheat !?!

    Started by airdesignguy, 09-27-2010 11:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,412
    10-06-2010, 04:28 PM Go to last post
  13. 30GTN...T055

    Started by uboatcmdr, 06-03-2010 08:03 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,819
    10-06-2010, 03:27 PM Go to last post
  14. room static pressure ?

    Started by newbe0507, 10-06-2010 12:54 AM
    • Replies: 3
    • Views: 1,978
    10-06-2010, 10:56 AM Go to last post
  15. Vacuum Test

    Started by colo4x4rado, 10-04-2010 03:52 PM
    • Replies: 10
    • Views: 3,241
    10-05-2010, 09:35 AM Go to last post
  16. Angry DIGI-COOL INSTRUMETRIX TEST INSTRUMENTS

    Started by JKD, 07-21-2010 09:25 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 108
    • Views: 7,982
    10-05-2010, 05:03 AM Go to last post
  17. HW Loop filter

    Started by LightGuy48, 10-04-2010 12:03 PM
    • Replies: 5
    • Views: 1,131
    10-05-2010, 01:37 AM Go to last post
  18. Confused honeywell control links,,problem

    Started by boilernazi, 10-01-2010 11:36 PM
    • Replies: 4
    • Views: 1,974
    10-04-2010, 06:16 PM Go to last post
  19. Lenox Prodigy control and smoke detectors

    Started by Diceman, 09-17-2010 02:32 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 5,901
    10-03-2010, 04:28 PM Go to last post
  20. I need a 120v heatpump

    Started by bagunn, 09-29-2010 08:57 PM
    • Replies: 6
    • Views: 1,474
    10-02-2010, 02:25 AM Go to last post
  21. R-410A Sporlan TXV failing

    Started by cas82, 09-25-2010 05:08 PM
    • Replies: 4
    • Views: 1,919
    10-02-2010, 02:23 AM Go to last post
  22. honeywell RM7800 control

    Started by aircondologist, 03-08-2010 03:58 PM
    • Replies: 7
    • Views: 2,994
    10-02-2010, 12:51 AM Go to last post
    • Replies: 2
    • Views: 712
    10-02-2010, 12:42 AM Go to last post
    • Replies: 5
    • Views: 824
    10-01-2010, 10:23 PM Go to last post
  23. help YK

    Started by servicetrane, 10-01-2010 01:28 PM
    • Replies: 1
    • Views: 566
    10-01-2010, 10:16 PM Go to last post
  24. vfd used on heat strips ?

    Started by licensed to chill, 09-24-2010 10:45 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,821
    10-01-2010, 09:47 PM Go to last post
  25. York air cooled screw chiller

    Started by cajunmechanical, 09-30-2010 07:23 PM
    • Replies: 6
    • Views: 1,206
    10-01-2010, 11:45 AM Go to last post
  26. Has Anyone Used a Digital Phase Converter

    Started by DavidNJ, 07-23-2010 08:26 PM
    • Replies: 7
    • Views: 1,427
    10-01-2010, 08:06 AM Go to last post
  27. Trane Reliatel Package Unit Economizer problem

    Started by Brian8383, 09-25-2010 04:09 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,199
    10-01-2010, 06:58 AM Go to last post
  28. Can you identify?

    Started by Senior Tech, 09-30-2010 11:16 AM
    • Replies: 4
    • Views: 740
    09-30-2010, 11:38 PM Go to last post
  29. Use of Chilled Beams

    Started by kurrodu, 01-03-2008 04:48 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,440
    09-30-2010, 10:04 PM Go to last post
  30. Experience with Elodrive actuators?

    Started by fixitman, 05-01-2006 12:57 PM
    • Replies: 5
    • Views: 2,143
    09-30-2010, 04:26 PM Go to last post
  31. "Hotpack" R-134A Superheat Settings???

    Started by wannabegood, 09-29-2010 05:45 PM
    • Replies: 2
    • Views: 902
    09-30-2010, 04:25 PM Go to last post
    • Replies: 0
    • Views: 457
    09-30-2010, 09:33 AM Go to last post
  32. Hmm lennox economizer code 92

    Started by ryan79, 09-21-2010 10:00 PM
    • Replies: 12
    • Views: 2,610
    09-29-2010, 09:09 AM Go to last post
  33. FIREYE error FREQUENCY/NOISE

    Started by supertek65, 09-28-2010 08:06 PM
    • Replies: 8
    • Views: 1,048
    09-29-2010, 12:18 AM Go to last post
  34. Question TRANE HUMAN INTERFACE PANEL

    Started by mrhvacmechanic, 09-28-2010 01:04 AM
    • Replies: 1
    • Views: 1,373
    09-29-2010, 12:04 AM Go to last post
  35. POOL PAKS ?

    Started by firedup, 09-25-2010 11:35 PM
    • Replies: 2
    • Views: 752
    09-28-2010, 09:50 PM Go to last post
  36. RTAA

    Started by PJ's cool-aid, 09-27-2010 01:00 PM
    • Replies: 7
    • Views: 951
    09-28-2010, 05:39 PM Go to last post
  37. Carrier 48TME012 draft inducer trouble code

    Started by hvacpope, 09-27-2010 06:39 PM
    • Replies: 3
    • Views: 1,561
    09-27-2010, 10:46 PM Go to last post
  38. UA QUESTION

    Started by acjourneyman, 09-16-2010 10:57 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 3,264
    09-27-2010, 09:07 PM Go to last post
  39. LEED Spreadsheet

    Started by riverman, 09-23-2010 09:06 AM
    • Replies: 2
    • Views: 1,940
    09-27-2010, 04:12 PM Go to last post
  40. Question ac pm trane-York 5-10 ton unit

    Started by jerry358, 09-21-2010 11:01 PM
    • Replies: 4
    • Views: 1,415
    09-27-2010, 10:50 AM Go to last post
  41. RTAC - Low oil flow

    Started by jimbob73, 08-25-2006 01:10 AM
    • Replies: 8
    • Views: 2,877
    09-26-2010, 06:04 PM Go to last post
  42. PermaFrost oil treatment

    Started by tomtac, 08-19-2009 11:54 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 4,481
    09-26-2010, 04:22 AM Go to last post
  43. Question HEAT CONTROLLER UNIT MANUAL

    Started by mrhvacmechanic, 09-24-2010 11:25 PM
    • Replies: 2
    • Views: 812
    09-25-2010, 10:49 PM Go to last post
  44. Snapped Shaft on BAC Tower

    Started by manny238, 09-22-2010 11:37 PM
    • Replies: 5
    • Views: 907
    09-25-2010, 10:48 PM Go to last post
  45. Mcquay PEH050(1985) Chiller

    Started by chillerguru, 09-23-2010 01:32 PM
    • Replies: 5
    • Views: 1,415
    09-25-2010, 10:15 AM Go to last post
  46. Confused Abb Vfd Wtf!!

    Started by troublshooter, 09-28-2007 03:39 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 6,680
    09-25-2010, 04:34 AM Go to last post

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