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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: 11,691
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,108
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. liquid refrigerant returning from evaporator

    Started by zeppy, 05-21-2011 03:38 PM
    • Replies: 4
    • Views: 2,788
    05-30-2011, 10:14 AM Go to last post
  3. Remedy for shaft coatings?

    Started by stevrock, 05-28-2011 03:55 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,782
    05-30-2011, 08:41 AM Go to last post
  4. No return air duct work

    Started by Retread, 05-29-2011 02:49 AM
    • Replies: 9
    • Views: 1,549
    05-30-2011, 02:37 AM Go to last post
  5. Data room air conditioner

    Started by Ben Wulkin, 05-24-2011 07:55 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,061
    05-30-2011, 12:55 AM Go to last post
  6. Cool Trane Eagle Information System Discs

    Started by XRRIDER, 05-29-2011 10:52 AM
    • Replies: 2
    • Views: 967
    05-29-2011, 06:48 PM Go to last post
  7. Need an IOM for a YWCS0180

    Started by rbcsj, 05-27-2011 06:16 PM
    • Replies: 7
    • Views: 938
    05-29-2011, 12:22 PM Go to last post
  8. gantry

    Started by poppa, 05-26-2011 10:40 AM
    • Replies: 9
    • Views: 1,675
    05-28-2011, 10:34 PM Go to last post
  9. carrier gen 2 stats

    Started by n locklair, 05-26-2011 02:42 PM
    • Replies: 3
    • Views: 872
    05-28-2011, 03:50 PM Go to last post
  10. Filter dryer or strainer?

    Started by EugeneTheJeep, 05-27-2011 05:53 PM
    • Replies: 10
    • Views: 3,998
    05-28-2011, 10:48 AM Go to last post
    • Replies: 7
    • Views: 2,362
    05-28-2011, 09:24 AM Go to last post
  11. Confused DYI

    Started by GA FRANK, 05-27-2011 11:08 PM
    • Replies: 3
    • Views: 1,037
    05-27-2011, 11:43 PM Go to last post
  12. 40 Ton Evap coil problems

    Started by ngerrald, 05-26-2011 01:54 PM
    • Replies: 8
    • Views: 1,508
    05-27-2011, 07:57 PM Go to last post
  13. Calculating the motor bhp/hp?

    Started by OVOleg, 05-25-2011 06:15 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 13,974
    05-27-2011, 06:01 PM Go to last post
  14. Poorly ventilated boiler room

    Started by zeppy, 05-26-2011 02:10 PM
    • Replies: 12
    • Views: 3,715
    05-27-2011, 04:53 PM Go to last post
  15. Poll Poll: Air handler compare...

    Started by Wade_link, 05-16-2011 12:22 PM
    • Replies: 2
    • Views: 1,036
    05-27-2011, 04:12 PM Go to last post
  16. Hanbell Screw Compressor

    Started by manny238, 05-27-2011 12:49 AM
    • Replies: 3
    • Views: 1,631
    05-27-2011, 03:29 PM Go to last post
  17. Smile YORK YCAS0330E issues

    Started by SilverWolf, 05-26-2011 03:34 PM
    • Replies: 2
    • Views: 729
    05-27-2011, 05:26 AM Go to last post
  18. Carrier TXV Conversion

    Started by manny238, 05-09-2011 09:49 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 5,854
    05-27-2011, 12:46 AM Go to last post
  19. Confused Challenger 3000 series liebert

    Started by randystoker, 05-05-2011 11:16 PM
    • Replies: 7
    • Views: 2,889
    05-26-2011, 10:49 PM Go to last post
    • Replies: 9
    • Views: 1,166
    05-26-2011, 09:35 PM Go to last post
  20. YORK Service Manual

    Started by palmerchung, 02-12-2009 11:17 PM
    • Replies: 5
    • Views: 7,144
    05-26-2011, 09:19 PM Go to last post
  21. Curbs vs Dunnage

    Started by zeppy, 05-25-2011 01:48 PM
    • Replies: 5
    • Views: 5,129
    05-25-2011, 10:48 PM Go to last post
  22. What's the next big thing?

    Started by Berlamfer, 05-23-2011 08:00 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,591
    05-25-2011, 09:51 PM Go to last post
  23. Hmm Oil Pressure Safety Cutout

    Started by captain123, 05-06-2011 01:37 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 4,695
    05-25-2011, 09:08 PM Go to last post
  24. Confused diagnosing compressor failure

    Started by 1doityourselfer, 05-12-2011 12:57 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,761
    05-25-2011, 08:44 PM Go to last post
  25. Pressurisation fans and Fire dampers

    Started by Gonzo1, 02-05-2011 01:39 PM
    • Replies: 11
    • Views: 3,969
    05-25-2011, 10:11 AM Go to last post
  26. noisey scroll

    Started by the pict, 04-03-2011 07:01 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 4,903
    05-25-2011, 05:35 AM Go to last post
  27. carrier 19XL high bearing temp

    Started by Fmech, 05-22-2011 12:17 PM
    • Replies: 5
    • Views: 1,373
    05-25-2011, 12:03 AM Go to last post
  28. R11

    Started by geecee, 05-24-2011 10:26 AM
    • Replies: 1
    • Views: 742
    05-25-2011, 12:00 AM Go to last post
  29. YORK YCAL

    Started by klrogers, 10-15-2008 10:27 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 4,897
    05-24-2011, 10:22 PM Go to last post
  30. Mcquay ALS R22 Screw Chiller

    Started by chillerguru, 10-07-2009 10:14 PM
    • Replies: 10
    • Views: 5,543
    05-24-2011, 09:18 PM Go to last post
  31. Enough of the Green already

    Started by duke of earl, 05-18-2011 09:58 PM
    • Replies: 2
    • Views: 741
    05-24-2011, 09:06 PM Go to last post
  32. McQUAY SWD 40 TON SUC SENSOR TEMP

    Started by mrhvacmechanic, 05-24-2011 07:07 PM
    • Replies: 0
    • Views: 891
    05-24-2011, 07:07 PM Go to last post
  33. O.W.L. Method

    Started by donnybrooks, 12-28-2007 10:03 PM
    • Replies: 9
    • Views: 18,304
    05-24-2011, 05:51 PM Go to last post
  34. Chrysler Airtemp

    Started by wgrim, 05-24-2011 02:33 PM
    • Replies: 0
    • Views: 640
    05-24-2011, 02:33 PM Go to last post
  35. Carrier CCN Service Tool

    Started by waltervan, 05-19-2011 08:07 PM
    • Replies: 7
    • Views: 2,646
    05-24-2011, 12:22 PM Go to last post
  36. replacement coils

    Started by conspiracy_luvr, 05-16-2011 08:53 AM
    • Replies: 6
    • Views: 998
    05-23-2011, 07:51 PM Go to last post
  37. 3 phs D to Wye for starting?

    Started by SailorDaniel, 05-20-2011 03:11 AM
    • Replies: 8
    • Views: 2,254
    05-23-2011, 07:35 PM Go to last post
  38. stulz-ats questions

    Started by colobronco, 02-16-2007 05:39 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 11,385
    05-23-2011, 05:38 PM Go to last post
  39. Liebert vs Stulz

    Started by Razeman, 07-21-2008 10:51 AM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 14,752
    05-23-2011, 09:42 AM Go to last post
  40. Confused Multiple Evaporator Failures

    Started by putnam county, 05-22-2011 09:05 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,075
    05-23-2011, 12:59 AM Go to last post
  41. wastwater system and head psi

    Started by kool3681, 04-25-2011 08:19 PM
    • Replies: 4
    • Views: 1,124
    05-22-2011, 06:02 PM Go to last post
  42. Confused New compressor blowing fuses

    Started by isp tech, 05-17-2011 08:37 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,702
    05-22-2011, 02:33 PM Go to last post
  43. Question Misting System - Long term effects?

    Started by gtt, 05-22-2011 10:14 AM
    • Replies: 3
    • Views: 1,167
    05-22-2011, 10:29 AM Go to last post
  44. Stubborn Cylindrical Bearing

    Started by cyro, 05-21-2011 09:36 PM
    • Replies: 0
    • Views: 523
    05-21-2011, 09:36 PM Go to last post
  45. Calculating gpm

    Started by hvac17011, 05-17-2011 09:30 PM
    • Replies: 1
    • Views: 1,141
    05-21-2011, 03:55 PM Go to last post
  46. Nalco Trasar System

    Started by NCVTX, 04-28-2011 04:53 PM
    • Replies: 4
    • Views: 3,312
    05-21-2011, 12:49 PM Go to last post
  47. Mitsubishi "P" series

    Started by FREDIEFREON, 05-20-2011 01:48 PM
    • Replies: 5
    • Views: 1,408
    05-21-2011, 07:54 AM Go to last post
  48. Hmm Robert Shaw vs. Honeywell thermostats - Rant

    Started by tuba, 05-19-2011 11:20 PM
    • Replies: 5
    • Views: 3,010
    05-21-2011, 06:32 AM Go to last post
  49. Adding economizer to Attic AH?

    Started by EugeneTheJeep, 05-09-2011 08:22 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,078
    05-20-2011, 07:39 PM Go to last post

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