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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

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

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 4,261
    10-31-2011, 07:41 PM Go to last post
  2. Sticky Thread Sticky: A must read for all members...Who can reply to the AOP area

    Started by Dad, 10-31-2011 07:37 PM
    • Replies: 0
    • Views: 3,556
    10-31-2011, 07:37 PM Go to last post
  1. Capacitor-Start

    Started by hvactech80, 11-20-2007 08:51 PM
    • Replies: 7
    • Views: 1,003
    11-21-2007, 11:48 PM Go to last post
  2. help

    Started by vledxam, 11-16-2007 07:28 PM
    • Replies: 4
    • Views: 579
    11-21-2007, 07:59 PM Go to last post
  3. Old Commercial Equipment Specs?

    Started by salesmaker, 11-21-2007 08:14 AM
    • Replies: 1
    • Views: 630
    11-21-2007, 06:28 PM Go to last post
  4. York stuck in pumpdown

    Started by Copernicus, 11-19-2007 02:43 PM
    • Replies: 10
    • Views: 1,266
    11-21-2007, 06:21 PM Go to last post
  5. need contact for trane, L.A. area

    Started by vledxam, 11-15-2007 04:14 PM
    • Replies: 4
    • Views: 692
    11-21-2007, 10:56 AM Go to last post
  6. Confused Engineers F-Up

    Started by mechmike2, 11-20-2007 06:35 PM
    • Replies: 5
    • Views: 821
    11-20-2007, 09:15 PM Go to last post
  7. Confused 38AH044-084 compressor problems

    Started by sanantoniotech, 11-20-2007 12:58 PM
    • Replies: 3
    • Views: 789
    11-20-2007, 07:58 PM Go to last post
  8. RTAA oil filter

    Started by jemawalton, 11-06-2007 08:33 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 3,220
    11-20-2007, 05:31 PM Go to last post
  9. Question Servise password to YORK YCAJ 77 XT9

    Started by zawin, 06-26-2006 01:27 AM
    • Replies: 5
    • Views: 2,733
    11-19-2007, 01:39 PM Go to last post
  10. Conversion formulas

    Started by SeasonMaster, 11-15-2007 03:13 AM
    • Replies: 2
    • Views: 1,384
    11-19-2007, 06:53 AM Go to last post
  11. raypack

    Started by gandm, 11-17-2007 09:48 PM
    • Replies: 1
    • Views: 800
    11-18-2007, 06:14 PM Go to last post
  12. Noise and Drafts

    Started by techreptdh, 11-17-2007 04:38 PM
    • Replies: 3
    • Views: 605
    11-18-2007, 05:24 PM Go to last post
  13. Question Type- K or Type -J

    Started by westendmechanical, 11-18-2007 07:27 AM
    • Replies: 1
    • Views: 882
    11-18-2007, 07:37 AM Go to last post
    • Replies: 1
    • Views: 594
    11-17-2007, 03:05 PM Go to last post
  14. Trane & Honeywell

    Started by trane_stud, 11-14-2006 07:40 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 7,295
    11-17-2007, 02:10 PM Go to last post
  15. YK Style E service bulletins??

    Started by bertoh, 11-16-2007 02:58 PM
    • Replies: 2
    • Views: 868
    11-17-2007, 12:29 PM Go to last post
  16. Liebert Hum calibration, RH or Abs?

    Started by D'Laine, 11-13-2007 09:42 PM
    • Replies: 2
    • Views: 632
    11-17-2007, 11:18 AM Go to last post
  17. Cool Carbon Black

    Started by PJ's cool-aid, 11-08-2007 09:27 PM
    • Replies: 6
    • Views: 835
    11-17-2007, 08:09 AM Go to last post
  18. wirsbo radiant floor heat

    Started by oldtimer2, 11-13-2007 07:54 PM
    • Replies: 1
    • Views: 628
    11-16-2007, 09:20 PM Go to last post
  19. determining refrigerant charge

    Started by trev, 11-15-2007 03:17 PM
    • Replies: 3
    • Views: 938
    11-16-2007, 08:40 PM Go to last post
  20. Titus Equipment?

    Started by heaviwall, 11-16-2007 04:12 PM
    • Replies: 1
    • Views: 974
    11-16-2007, 08:10 PM Go to last post
  21. Command-Aire RCA 404-14.6

    Started by oldhweller, 11-16-2007 02:14 PM
    • Replies: 2
    • Views: 646
    11-16-2007, 04:01 PM Go to last post
  22. Looking For CO Meter

    Started by jogas, 11-12-2007 05:30 PM
    • Replies: 2
    • Views: 719
    11-16-2007, 03:41 PM Go to last post
  23. copeland 6D compressor

    Started by lawrencep, 11-15-2007 03:08 PM
    • Replies: 5
    • Views: 929
    11-16-2007, 09:56 AM Go to last post
  24. Hmm CB tubes are cracked

    Started by nazawale, 11-15-2007 05:47 AM
    • Replies: 3
    • Views: 854
    11-16-2007, 09:01 AM Go to last post
  25. Hmm Condensor Water Treatment

    Started by ggsekhar, 11-15-2007 11:35 AM
    • Replies: 2
    • Views: 851
    11-15-2007, 09:21 PM Go to last post
  26. kw = amps

    Started by hands, 11-05-2007 08:05 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,435
    11-15-2007, 04:46 PM Go to last post
  27. Smile GeoTherm WaterFurnace Leak

    Started by braveheart51, 11-14-2007 08:49 PM
    • Replies: 4
    • Views: 1,083
    11-15-2007, 09:13 AM Go to last post
  28. Confused compressor icing

    Started by dean stahl, 11-08-2007 08:27 PM
    • Replies: 11
    • Views: 2,506
    11-14-2007, 11:04 PM Go to last post
  29. Liebert System 3

    Started by local602, 11-09-2007 09:35 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 8,440
    11-14-2007, 04:23 PM Go to last post
  30. A051 Alarm on Carrier Comfortlink chiller

    Started by rusdtech, 11-13-2007 05:46 PM
    • Replies: 5
    • Views: 2,776
    11-14-2007, 01:53 PM Go to last post
  31. Air flow problems / coil placement issues

    Started by hvacmedic, 10-18-2007 01:20 PM
    • Replies: 7
    • Views: 845
    11-14-2007, 09:35 AM Go to last post
  32. Transformer

    Started by wellhung, 11-12-2007 12:48 AM
    • Replies: 5
    • Views: 1,231
    11-13-2007, 11:53 PM Go to last post
  33. What Voltage can I work on.

    Started by sconorton, 11-08-2007 01:34 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,107
    11-13-2007, 08:34 PM Go to last post
  34. Steam to water converter problem

    Started by hvacmedic, 11-11-2007 02:08 AM
    • Replies: 6
    • Views: 1,207
    11-13-2007, 04:34 PM Go to last post
  35. Frick TDSH 193L Manuals

    Started by pete_d, 11-13-2007 12:58 PM
    • Replies: 1
    • Views: 2,005
    11-13-2007, 01:05 PM Go to last post
  36. trane tracker sensor

    Started by comer, 11-12-2007 04:34 PM
    • Replies: 4
    • Views: 674
    11-12-2007, 09:28 PM Go to last post
  37. CO levels in flue gas

    Started by retch, 09-22-2006 11:20 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 3,615
    11-12-2007, 07:41 PM Go to last post
  38. Honeywell excel 50 controler

    Started by desroches, 11-10-2007 08:32 PM
    • Replies: 5
    • Views: 1,119
    11-11-2007, 10:13 PM Go to last post
  39. Liebert Help

    Started by coolerguy, 11-06-2007 04:57 PM
    • Replies: 8
    • Views: 1,451
    11-11-2007, 07:00 AM Go to last post
  40. Confused Please Help A.s.a.p Dont want to over bid!!

    Started by efficientmech, 11-07-2007 11:30 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,630
    11-10-2007, 10:03 PM Go to last post
  41. pneumatic cooling tower control

    Started by hvacplumb, 11-08-2007 06:32 PM
    • Replies: 3
    • Views: 549
    11-10-2007, 05:10 PM Go to last post
  42. Carrier hall effect sensor

    Started by racingfan, 11-09-2007 09:45 PM
    • Replies: 3
    • Views: 2,017
    11-10-2007, 04:19 PM Go to last post
  43. TechView Printing or Copying Diagnostics Page

    Started by nun, 11-07-2007 11:05 PM
    • Replies: 4
    • Views: 756
    11-09-2007, 09:52 PM Go to last post
  44. Capacity and Age of York Chillers

    Started by TomCal, 11-09-2007 12:35 PM
    • Replies: 1
    • Views: 635
    11-09-2007, 08:56 PM Go to last post
  45. heat pump modification

    Started by little john, 08-24-2007 08:46 PM
    • Replies: 9
    • Views: 1,079
    11-09-2007, 08:19 PM Go to last post
  46. Got Water?

    Started by ny chiller, 10-31-2007 12:21 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,328
    11-09-2007, 05:59 PM Go to last post
  47. black Sludge in Evap on Ammonia Sys

    Started by mhilterbrand, 11-07-2007 08:38 AM
    • Replies: 4
    • Views: 799
    11-09-2007, 04:45 PM Go to last post
  48. Water Source Heat Pump Mfg.?

    Started by PowerPlay, 11-08-2007 02:35 PM
    • Replies: 5
    • Views: 764
    11-09-2007, 03:07 PM Go to last post
  49. after hours overtime hvac rate

    Started by buildingengineer, 09-25-2007 08:24 AM
    • Replies: 3
    • Views: 2,339
    11-09-2007, 02:08 PM Go to last post

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