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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: 12,256
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,538
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Meaning of COMMON in a circuit

    Started by nmt6789, 06-21-2015 05:25 PM
    • Replies: 3
    • Views: 1,516
    06-23-2015, 08:29 AM Go to last post
  3. Qualified AC Contractor

    Started by IDoDirt, 05-26-2015 01:18 PM
    • Replies: 3
    • Views: 1,361
    06-22-2015, 08:04 PM Go to last post
  4. 3ph starter/overload

    Started by get2work, 06-22-2015 06:37 PM
    • Replies: 2
    • Views: 851
    06-22-2015, 07:06 PM Go to last post
    • Replies: 8
    • Views: 1,704
    06-22-2015, 09:34 AM Go to last post
  5. EngAir DJM 3.4 MUA

    Started by collegerez, 06-16-2015 10:49 AM
    • Replies: 4
    • Views: 1,541
    06-18-2015, 08:10 AM Go to last post
  6. Vent 11000 BTU through commercial bathroom vent?

    Started by sqewcds2, 06-15-2015 08:05 PM
    • Replies: 5
    • Views: 1,144
    06-16-2015, 02:30 PM Go to last post
  7. Jace 2 / Niagara credentials problem

    Started by mcfunk0017, 06-15-2015 08:07 PM
    • Replies: 0
    • Views: 731
    06-15-2015, 08:07 PM Go to last post
  8. Rick

    Started by Rick123456, 06-12-2015 11:50 AM
    • Replies: 0
    • Views: 922
    06-12-2015, 11:50 AM Go to last post
    • Replies: 14
    • Views: 2,732
    06-10-2015, 05:48 AM Go to last post
  9. Lightbulb Alternative Pulley suppliers.

    Started by Samsuddin, 06-07-2015 11:53 PM
    • Replies: 2
    • Views: 1,049
    06-08-2015, 08:50 PM Go to last post
  10. Advice Needed!

    Started by mashushu, 06-03-2015 09:15 AM
    compressor, repairs, service
    • Replies: 3
    • Views: 1,533
    06-03-2015, 12:48 PM Go to last post
  11. Carrier IVU vs Trane Tracer summit

    Started by jeff5333, 06-02-2015 04:12 PM
    • Replies: 0
    • Views: 1,086
    06-02-2015, 04:12 PM Go to last post
  12. 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: 5,069
    05-28-2015, 10:21 AM Go to last post
  13. Carrier BACnet Interface

    Started by DaveCAX, 05-26-2015 12:40 PM
    bacnet, carrier, ccn
    • Replies: 0
    • Views: 1,472
    05-26-2015, 12:40 PM Go to last post
  14. Carrier 39MASTW04C... ?

    Started by DHP56, 05-26-2015 09:48 AM
    • Replies: 2
    • Views: 883
    05-26-2015, 11:08 AM Go to last post
  15. Compressor Failure

    Started by shazim, 05-26-2015 08:02 AM
    • Replies: 3
    • Views: 1,183
    05-26-2015, 09:17 AM Go to last post
  16. Senior Housing HVAC Loads

    Started by gpgaspe, 05-23-2015 11:14 PM
    • Replies: 2
    • Views: 1,346
    05-24-2015, 01:14 PM Go to last post
  17. Boiler/chiller water pressure question...

    Started by ammoniadog, 05-21-2015 06:57 PM
    • Replies: 8
    • Views: 1,985
    05-22-2015, 09:41 PM Go to last post
  18. Missmatched heat pump issues

    Started by gkettel, 05-21-2015 04:22 PM
    • Replies: 8
    • Views: 2,229
    05-22-2015, 05:52 PM Go to last post
  19. what's wrong with this picture?

    Started by bulldog53207, 05-21-2015 11:42 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,160
    05-22-2015, 01:00 PM Go to last post
  20. thermostat accuracy

    Started by eric1978, 05-19-2015 01:58 PM
    • Replies: 3
    • Views: 1,233
    05-21-2015, 06:15 PM Go to last post
  21. Cooling of heat emitted from light

    Started by learner21, 04-03-2015 12:03 PM
    • Replies: 9
    • Views: 2,532
    05-21-2015, 12:18 PM Go to last post
  22. 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: 897
    05-21-2015, 07:37 AM Go to last post
  23. Trane Model Number Help

    Started by dockhardware, 05-20-2015 02:41 PM
    trane, trane commercial
    • Replies: 1
    • Views: 1,184
    05-20-2015, 04:10 PM Go to last post
  24. High-Limit Switch

    Started by BarefootStudio, 05-18-2015 02:41 PM
    • Replies: 12
    • Views: 2,035
    05-19-2015, 01:04 PM Go to last post
  25. Anybody recognize these gauges?

    Started by Ryan Medd, 05-12-2015 10:28 AM
    • Replies: 5
    • Views: 1,477
    05-19-2015, 06:57 AM Go to last post
  26. To Grease or Not to Grease is the Question...

    Started by jpnova70, 05-15-2015 01:09 PM
    bearings
    • Replies: 2
    • Views: 1,293
    05-16-2015, 08:57 AM Go to last post
  27. Water too cold for Liebert units

    Started by WRKMAN, 05-14-2015 09:10 AM
    • Replies: 12
    • Views: 2,574
    05-15-2015, 01:00 PM Go to last post
    • Replies: 3
    • Views: 1,782
    05-09-2015, 11:48 AM Go to last post
  28. Trane BTU Capacity

    Started by labanz, 05-08-2015 02:24 PM
    • Replies: 2
    • Views: 1,117
    05-08-2015, 05:15 PM Go to last post
  29. Metasys by johnson controls

    Started by trjfx, 04-02-2015 04:50 PM
    • Replies: 3
    • Views: 1,724
    05-08-2015, 04:51 PM Go to last post
  30. dehumidifier: is this actually working?

    Started by eric1978, 05-07-2015 04:32 PM
    • Replies: 1
    • Views: 879
    05-07-2015, 04:37 PM Go to last post
    • Replies: 0
    • Views: 1,028
    05-06-2015, 06:56 PM Go to last post
  31. Jellyfish in condensate pumps

    Started by tpa-fl, 04-14-2015 02:49 PM
    • Replies: 7
    • Views: 3,049
    05-06-2015, 11:13 AM Go to last post
  32. Loud startup noise for Baltimore Aircoil Unit

    Started by ralphd, 05-06-2015 12:13 AM
    baltimore aircoil, commercial, hvac
    • Replies: 5
    • Views: 1,526
    05-06-2015, 08:49 AM Go to last post
  33. Help ID - International Comfort Products

    Started by TexasDeere, 05-05-2015 11:18 AM
    • Replies: 4
    • Views: 2,279
    05-05-2015, 08:00 PM Go to last post
  34. Tenant CW/CHW pumps in high rises

    Started by dub112, 05-05-2015 12:26 PM
    • Replies: 0
    • Views: 1,145
    05-05-2015, 12:26 PM Go to last post
  35. Choosing Economizer Setpoint

    Started by SilverSpring, 04-30-2015 04:59 PM
    air handler, economizer, outside air systems, trane commercial hvac
    • Replies: 3
    • Views: 2,395
    04-30-2015, 07:43 PM Go to last post
  36. Poll Poll: Dehumidification hooked up wrong by commercial contractor.

    Started by creek1, 04-09-2015 07:32 PM
    • Replies: 1
    • Views: 1,139
    04-29-2015, 10:27 PM Go to last post
  37. HVAC system help on tonnage requirements.

    Started by indoorgrow, 04-28-2015 05:32 PM
    • Replies: 0
    • Views: 1,098
    04-28-2015, 05:32 PM Go to last post
  38. Ruud RRGF-131076CKR

    Started by vskaria, 04-27-2015 05:30 PM
    • Replies: 1
    • Views: 2,461
    04-27-2015, 06:06 PM Go to last post
  39. true tdd superheat

    Started by bubatrucking, 04-25-2015 07:31 PM
    • Replies: 3
    • Views: 1,575
    04-26-2015, 06:57 PM Go to last post
  40. Scotsman mdt5

    Started by energy mech, 04-23-2015 09:34 PM
    • Replies: 5
    • Views: 1,440
    04-24-2015, 07:39 AM Go to last post
  41. Rtaa question

    Started by icy78, 04-21-2015 09:31 PM
    • Replies: 5
    • Views: 2,079
    04-23-2015, 07:18 AM Go to last post
  42. YORK YCIV CHILLERS REMOTE MONITORING

    Started by MEP-ISA, 04-22-2015 09:31 AM
    • Replies: 0
    • Views: 914
    04-22-2015, 09:31 AM Go to last post
  43. Motivair Product Identifcation Help

    Started by Domcarav, 04-21-2015 12:51 PM
    • Replies: 1
    • Views: 1,059
    04-21-2015, 02:25 PM Go to last post
  44. Pizza prep table

    Started by Laurentb, 04-20-2015 11:38 AM
    • Replies: 5
    • Views: 1,459
    04-20-2015, 10:12 PM Go to last post
  45. Fan VFD: speed (Hz) v. % Load

    Started by CLTCxa, 04-15-2015 12:04 PM
    fan, vfd
    • Replies: 11
    • Views: 2,715
    04-20-2015, 06:19 PM Go to last post
  46. Very loud office AC installation. Is this normal?

    Started by aaronlisman, 04-13-2015 01:00 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,968
    04-15-2015, 10:42 AM Go to last post
  47. New to this site

    Started by cabeck, 04-13-2015 10:06 AM
    • Replies: 0
    • Views: 967
    04-13-2015, 10:06 AM Go to last post

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