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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: 11,689
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,107
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Advice Needed!

    Started by mashushu, 06-03-2015 09:15 AM
    compressor, repairs, service
    • Replies: 3
    • Views: 1,421
    06-03-2015, 12:48 PM Go to last post
  3. Carrier IVU vs Trane Tracer summit

    Started by jeff5333, 06-02-2015 04:12 PM
    • Replies: 0
    • Views: 1,027
    06-02-2015, 04:12 PM Go to last post
  4. Indoor temp correlates with outdoor temp ONLY in warmer weather...

    Started by alexb, 05-09-2015 03:58 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 4,971
    05-28-2015, 10:21 AM Go to last post
  5. Carrier BACnet Interface

    Started by DaveCAX, 05-26-2015 12:40 PM
    bacnet, carrier, ccn
    • Replies: 0
    • Views: 1,341
    05-26-2015, 12:40 PM Go to last post
  6. Carrier 39MASTW04C... ?

    Started by DHP56, 05-26-2015 09:48 AM
    • Replies: 2
    • Views: 849
    05-26-2015, 11:08 AM Go to last post
  7. Compressor Failure

    Started by shazim, 05-26-2015 08:02 AM
    • Replies: 3
    • Views: 1,148
    05-26-2015, 09:17 AM Go to last post
  8. Senior Housing HVAC Loads

    Started by gpgaspe, 05-23-2015 11:14 PM
    • Replies: 2
    • Views: 1,314
    05-24-2015, 01:14 PM Go to last post
  9. Boiler/chiller water pressure question...

    Started by ammoniadog, 05-21-2015 06:57 PM
    • Replies: 8
    • Views: 1,876
    05-22-2015, 09:41 PM Go to last post
  10. Missmatched heat pump issues

    Started by gkettel, 05-21-2015 04:22 PM
    • Replies: 8
    • Views: 2,162
    05-22-2015, 05:52 PM Go to last post
  11. what's wrong with this picture?

    Started by bulldog53207, 05-21-2015 11:42 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,125
    05-22-2015, 01:00 PM Go to last post
  12. thermostat accuracy

    Started by eric1978, 05-19-2015 01:58 PM
    • Replies: 3
    • Views: 1,131
    05-21-2015, 06:15 PM Go to last post
  13. Cooling of heat emitted from light

    Started by learner21, 04-03-2015 12:03 PM
    • Replies: 9
    • Views: 2,456
    05-21-2015, 12:18 PM Go to last post
  14. How long are OEM's required to stock parts?

    Started by aengineer, 05-21-2015 07:37 AM
    controller, fan coils, warranty
    • Replies: 0
    • Views: 822
    05-21-2015, 07:37 AM Go to last post
  15. Trane Model Number Help

    Started by dockhardware, 05-20-2015 02:41 PM
    trane, trane commercial
    • Replies: 1
    • Views: 1,108
    05-20-2015, 04:10 PM Go to last post
  16. High-Limit Switch

    Started by BarefootStudio, 05-18-2015 02:41 PM
    • Replies: 12
    • Views: 1,940
    05-19-2015, 01:04 PM Go to last post
  17. Anybody recognize these gauges?

    Started by Ryan Medd, 05-12-2015 10:28 AM
    • Replies: 5
    • Views: 1,429
    05-19-2015, 06:57 AM Go to last post
  18. To Grease or Not to Grease is the Question...

    Started by jpnova70, 05-15-2015 01:09 PM
    bearings
    • Replies: 2
    • Views: 1,263
    05-16-2015, 08:57 AM Go to last post
  19. Water too cold for Liebert units

    Started by WRKMAN, 05-14-2015 09:10 AM
    • Replies: 12
    • Views: 2,412
    05-15-2015, 01:00 PM Go to last post
    • Replies: 3
    • Views: 1,636
    05-09-2015, 11:48 AM Go to last post
  20. Trane BTU Capacity

    Started by labanz, 05-08-2015 02:24 PM
    • Replies: 2
    • Views: 1,095
    05-08-2015, 05:15 PM Go to last post
  21. Metasys by johnson controls

    Started by trjfx, 04-02-2015 04:50 PM
    • Replies: 3
    • Views: 1,686
    05-08-2015, 04:51 PM Go to last post
  22. dehumidifier: is this actually working?

    Started by eric1978, 05-07-2015 04:32 PM
    • Replies: 1
    • Views: 854
    05-07-2015, 04:37 PM Go to last post
    • Replies: 0
    • Views: 969
    05-06-2015, 06:56 PM Go to last post
  23. Jellyfish in condensate pumps

    Started by tpa-fl, 04-14-2015 02:49 PM
    • Replies: 7
    • Views: 2,939
    05-06-2015, 11:13 AM Go to last post
  24. Loud startup noise for Baltimore Aircoil Unit

    Started by ralphd, 05-06-2015 12:13 AM
    baltimore aircoil, commercial, hvac
    • Replies: 5
    • Views: 1,472
    05-06-2015, 08:49 AM Go to last post
  25. Help ID - International Comfort Products

    Started by TexasDeere, 05-05-2015 11:18 AM
    • Replies: 4
    • Views: 2,170
    05-05-2015, 08:00 PM Go to last post
  26. Tenant CW/CHW pumps in high rises

    Started by dub112, 05-05-2015 12:26 PM
    • Replies: 0
    • Views: 1,061
    05-05-2015, 12:26 PM Go to last post
  27. Choosing Economizer Setpoint

    Started by SilverSpring, 04-30-2015 04:59 PM
    air handler, economizer, outside air systems, trane commercial hvac
    • Replies: 3
    • Views: 2,090
    04-30-2015, 07:43 PM Go to last post
  28. Poll Poll: Dehumidification hooked up wrong by commercial contractor.

    Started by creek1, 04-09-2015 07:32 PM
    • Replies: 1
    • Views: 1,117
    04-29-2015, 10:27 PM Go to last post
  29. HVAC system help on tonnage requirements.

    Started by indoorgrow, 04-28-2015 05:32 PM
    • Replies: 0
    • Views: 1,072
    04-28-2015, 05:32 PM Go to last post
  30. Ruud RRGF-131076CKR

    Started by vskaria, 04-27-2015 05:30 PM
    • Replies: 1
    • Views: 2,203
    04-27-2015, 06:06 PM Go to last post
  31. true tdd superheat

    Started by bubatrucking, 04-25-2015 07:31 PM
    • Replies: 3
    • Views: 1,535
    04-26-2015, 06:57 PM Go to last post
  32. Scotsman mdt5

    Started by energy mech, 04-23-2015 09:34 PM
    • Replies: 5
    • Views: 1,415
    04-24-2015, 07:39 AM Go to last post
  33. Rtaa question

    Started by icy78, 04-21-2015 09:31 PM
    • Replies: 5
    • Views: 2,023
    04-23-2015, 07:18 AM Go to last post
  34. YORK YCIV CHILLERS REMOTE MONITORING

    Started by MEP-ISA, 04-22-2015 09:31 AM
    • Replies: 0
    • Views: 896
    04-22-2015, 09:31 AM Go to last post
  35. Motivair Product Identifcation Help

    Started by Domcarav, 04-21-2015 12:51 PM
    • Replies: 1
    • Views: 1,024
    04-21-2015, 02:25 PM Go to last post
  36. Pizza prep table

    Started by Laurentb, 04-20-2015 11:38 AM
    • Replies: 5
    • Views: 1,432
    04-20-2015, 10:12 PM Go to last post
  37. Fan VFD: speed (Hz) v. % Load

    Started by CLTCxa, 04-15-2015 12:04 PM
    fan, vfd
    • Replies: 11
    • Views: 2,637
    04-20-2015, 06:19 PM Go to last post
  38. Very loud office AC installation. Is this normal?

    Started by aaronlisman, 04-13-2015 01:00 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,792
    04-15-2015, 10:42 AM Go to last post
  39. New to this site

    Started by cabeck, 04-13-2015 10:06 AM
    • Replies: 0
    • Views: 950
    04-13-2015, 10:06 AM Go to last post
    • Replies: 6
    • Views: 1,741
    04-11-2015, 10:48 PM Go to last post
  40. Question Carrier 19XL tonnage - water cooled

    Started by Joe Joe, 04-07-2015 12:32 PM
    • Replies: 1
    • Views: 1,419
    04-10-2015, 09:45 AM Go to last post
    • Replies: 0
    • Views: 974
    04-09-2015, 07:10 PM Go to last post
  41. Retroaire VPRH vertical PTAC

    Started by Joe Joe, 04-09-2015 08:42 AM
    • Replies: 1
    • Views: 1,124
    04-09-2015, 12:21 PM Go to last post
  42. Any experience with Daikin's DZK zone damper kits?

    Started by nexsen, 04-07-2015 05:04 PM
    • Replies: 0
    • Views: 1,217
    04-07-2015, 05:04 PM Go to last post
    • Replies: 2
    • Views: 1,286
    04-06-2015, 11:45 PM Go to last post
  43. data room unit

    Started by nytech28, 04-06-2015 06:49 PM
    • Replies: 10
    • Views: 2,173
    04-06-2015, 08:54 PM Go to last post
    • Replies: 0
    • Views: 924
    04-06-2015, 06:09 PM Go to last post
  44. 40 ton Trane issues

    Started by mskrohn, 04-04-2015 09:47 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,976
    04-04-2015, 04:12 PM Go to last post
  45. Any information on dry coolers

    Started by yankfan, 04-02-2015 12:41 PM
    • Replies: 0
    • Views: 941
    04-02-2015, 12:41 PM Go to last post

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