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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: 9,457
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,257
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. carrier gen 2 stats

    Started by n locklair, 05-26-2011 02:42 PM
    • Replies: 3
    • Views: 763
    05-28-2011, 03:50 PM Go to last post
  3. Filter dryer or strainer?

    Started by EugeneTheJeep, 05-27-2011 05:53 PM
    • Replies: 10
    • Views: 3,379
    05-28-2011, 10:48 AM Go to last post
    • Replies: 7
    • Views: 2,147
    05-28-2011, 09:24 AM Go to last post
  4. Confused DYI

    Started by GA FRANK, 05-27-2011 11:08 PM
    • Replies: 3
    • Views: 964
    05-27-2011, 11:43 PM Go to last post
  5. 40 Ton Evap coil problems

    Started by ngerrald, 05-26-2011 01:54 PM
    • Replies: 8
    • Views: 1,394
    05-27-2011, 07:57 PM Go to last post
  6. Calculating the motor bhp/hp?

    Started by OVOleg, 05-25-2011 06:15 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 11,855
    05-27-2011, 06:01 PM Go to last post
  7. Poorly ventilated boiler room

    Started by zeppy, 05-26-2011 02:10 PM
    • Replies: 12
    • Views: 3,210
    05-27-2011, 04:53 PM Go to last post
  8. Poll Poll: Air handler compare...

    Started by Wade_link, 05-16-2011 12:22 PM
    • Replies: 2
    • Views: 988
    05-27-2011, 04:12 PM Go to last post
  9. Hanbell Screw Compressor

    Started by manny238, 05-27-2011 12:49 AM
    • Replies: 3
    • Views: 1,546
    05-27-2011, 03:29 PM Go to last post
  10. Smile YORK YCAS0330E issues

    Started by SilverWolf, 05-26-2011 03:34 PM
    • Replies: 2
    • Views: 653
    05-27-2011, 05:26 AM Go to last post
  11. Carrier TXV Conversion

    Started by manny238, 05-09-2011 09:49 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 5,086
    05-27-2011, 12:46 AM Go to last post
  12. Confused Challenger 3000 series liebert

    Started by randystoker, 05-05-2011 11:16 PM
    • Replies: 7
    • Views: 2,656
    05-26-2011, 10:49 PM Go to last post
    • Replies: 9
    • Views: 1,121
    05-26-2011, 09:35 PM Go to last post
  13. YORK Service Manual

    Started by palmerchung, 02-12-2009 11:17 PM
    • Replies: 5
    • Views: 6,663
    05-26-2011, 09:19 PM Go to last post
  14. Curbs vs Dunnage

    Started by zeppy, 05-25-2011 01:48 PM
    • Replies: 5
    • Views: 4,044
    05-25-2011, 10:48 PM Go to last post
  15. What's the next big thing?

    Started by Berlamfer, 05-23-2011 08:00 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,348
    05-25-2011, 09:51 PM Go to last post
  16. Hmm Oil Pressure Safety Cutout

    Started by captain123, 05-06-2011 01:37 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 4,259
    05-25-2011, 09:08 PM Go to last post
  17. Confused diagnosing compressor failure

    Started by 1doityourselfer, 05-12-2011 12:57 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,267
    05-25-2011, 08:44 PM Go to last post
  18. Pressurisation fans and Fire dampers

    Started by Gonzo1, 02-05-2011 01:39 PM
    • Replies: 11
    • Views: 3,656
    05-25-2011, 10:11 AM Go to last post
  19. noisey scroll

    Started by the pict, 04-03-2011 07:01 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 4,687
    05-25-2011, 05:35 AM Go to last post
  20. carrier 19XL high bearing temp

    Started by Fmech, 05-22-2011 12:17 PM
    • Replies: 5
    • Views: 1,313
    05-25-2011, 12:03 AM Go to last post
  21. R11

    Started by geecee, 05-24-2011 10:26 AM
    • Replies: 1
    • Views: 684
    05-25-2011, 12:00 AM Go to last post
  22. YORK YCAL

    Started by klrogers, 10-15-2008 10:27 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 4,064
    05-24-2011, 10:22 PM Go to last post
  23. Mcquay ALS R22 Screw Chiller

    Started by chillerguru, 10-07-2009 10:14 PM
    • Replies: 10
    • Views: 4,875
    05-24-2011, 09:18 PM Go to last post
  24. Enough of the Green already

    Started by duke of earl, 05-18-2011 09:58 PM
    • Replies: 2
    • Views: 705
    05-24-2011, 09:06 PM Go to last post
  25. McQUAY SWD 40 TON SUC SENSOR TEMP

    Started by mrhvacmechanic, 05-24-2011 07:07 PM
    • Replies: 0
    • Views: 796
    05-24-2011, 07:07 PM Go to last post
  26. O.W.L. Method

    Started by donnybrooks, 12-28-2007 10:03 PM
    • Replies: 9
    • Views: 13,420
    05-24-2011, 05:51 PM Go to last post
  27. Chrysler Airtemp

    Started by wgrim, 05-24-2011 02:33 PM
    • Replies: 0
    • Views: 602
    05-24-2011, 02:33 PM Go to last post
  28. Carrier CCN Service Tool

    Started by waltervan, 05-19-2011 08:07 PM
    • Replies: 7
    • Views: 2,474
    05-24-2011, 12:22 PM Go to last post
  29. replacement coils

    Started by conspiracy_luvr, 05-16-2011 08:53 AM
    • Replies: 6
    • Views: 902
    05-23-2011, 07:51 PM Go to last post
  30. 3 phs D to Wye for starting?

    Started by SailorDaniel, 05-20-2011 03:11 AM
    • Replies: 8
    • Views: 2,171
    05-23-2011, 07:35 PM Go to last post
  31. stulz-ats questions

    Started by colobronco, 02-16-2007 05:39 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 10,552
    05-23-2011, 05:38 PM Go to last post
  32. Liebert vs Stulz

    Started by Razeman, 07-21-2008 10:51 AM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 12,841
    05-23-2011, 09:42 AM Go to last post
  33. Confused Multiple Evaporator Failures

    Started by putnam county, 05-22-2011 09:05 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,931
    05-23-2011, 12:59 AM Go to last post
  34. wastwater system and head psi

    Started by kool3681, 04-25-2011 08:19 PM
    • Replies: 4
    • Views: 1,066
    05-22-2011, 06:02 PM Go to last post
  35. Confused New compressor blowing fuses

    Started by isp tech, 05-17-2011 08:37 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,283
    05-22-2011, 02:33 PM Go to last post
  36. Question Misting System - Long term effects?

    Started by gtt, 05-22-2011 10:14 AM
    • Replies: 3
    • Views: 1,112
    05-22-2011, 10:29 AM Go to last post
  37. Stubborn Cylindrical Bearing

    Started by cyro, 05-21-2011 09:36 PM
    • Replies: 0
    • Views: 486
    05-21-2011, 09:36 PM Go to last post
  38. Calculating gpm

    Started by hvac17011, 05-17-2011 09:30 PM
    • Replies: 1
    • Views: 1,100
    05-21-2011, 03:55 PM Go to last post
  39. Nalco Trasar System

    Started by NCVTX, 04-28-2011 04:53 PM
    • Replies: 4
    • Views: 2,948
    05-21-2011, 12:49 PM Go to last post
  40. Mitsubishi "P" series

    Started by FREDIEFREON, 05-20-2011 01:48 PM
    • Replies: 5
    • Views: 1,350
    05-21-2011, 07:54 AM Go to last post
  41. Hmm Robert Shaw vs. Honeywell thermostats - Rant

    Started by tuba, 05-19-2011 11:20 PM
    • Replies: 5
    • Views: 2,545
    05-21-2011, 06:32 AM Go to last post
  42. Adding economizer to Attic AH?

    Started by EugeneTheJeep, 05-09-2011 08:22 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,866
    05-20-2011, 07:39 PM Go to last post
  43. Oil change help

    Started by wormy, 05-18-2011 10:41 PM
    • Replies: 10
    • Views: 2,098
    05-20-2011, 06:27 PM Go to last post
  44. New 40 ton Trane with moisture in system.

    Started by ROBPAD, 05-06-2011 12:37 AM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 3,917
    05-19-2011, 09:41 PM Go to last post
  45. service bulletin for a rtaa

    Started by ccut, 05-06-2011 10:02 AM
    • Replies: 9
    • Views: 1,612
    05-19-2011, 09:35 PM Go to last post
  46. Confused Troubleshooting DC volt Roof Top Units

    Started by hvac20000, 05-19-2011 06:46 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,862
    05-19-2011, 09:19 PM Go to last post
  47. flushing large/long new refrig. lines

    Started by dfelt, 05-15-2011 01:12 AM
    • Replies: 8
    • Views: 1,075
    05-19-2011, 08:58 PM Go to last post
  48. Weishaupt Gas burners

    Started by BrianDarling, 05-19-2011 03:27 PM
    • Replies: 0
    • Views: 577
    05-19-2011, 03:27 PM Go to last post
  49. checking oil through freon sample how?

    Started by hvacdoctor, 05-18-2011 09:20 AM
    • Replies: 8
    • Views: 1,586
    05-19-2011, 01:35 PM Go to last post

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