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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: 10,052
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,769
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. burning out a three phase AC unit

    Started by Lakeman2012, 02-12-2014 01:39 PM
    • Replies: 7
    • Views: 2,207
    02-23-2014, 09:50 AM Go to last post
  3. Is this feasible to use active chilled beams?

    Started by s4wi, 02-21-2014 12:29 AM
    • Replies: 0
    • Views: 669
    02-21-2014, 12:29 AM Go to last post
    • Replies: 1
    • Views: 820
    02-20-2014, 08:52 AM Go to last post
  4. Lightbulb YCIV Economizer valve leaking

    Started by cookr68, 02-19-2014 08:36 PM
    • Replies: 0
    • Views: 969
    02-19-2014, 08:36 PM Go to last post
  5. proper chilled water coil connection

    Started by chev2372, 02-18-2014 11:33 PM
    hvac
    • Replies: 10
    • Views: 3,704
    02-19-2014, 01:20 PM Go to last post
  6. Carrier heat pump tripping interior breaker

    Started by J Michael, 02-16-2014 05:09 PM
    • Replies: 3
    • Views: 1,119
    02-17-2014, 02:23 PM Go to last post
    • Replies: 2
    • Views: 816
    02-17-2014, 02:10 PM Go to last post
  7. Exclamation Carrier Chiller age from Serial #68831

    Started by Joe Joe, 02-09-2014 06:28 PM
    • Replies: 2
    • Views: 1,595
    02-16-2014, 04:24 PM Go to last post
    • Replies: 2
    • Views: 834
    02-16-2014, 09:32 AM Go to last post
  8. Decoupler Pipe

    Started by umair186, 02-13-2014 09:41 AM
    • Replies: 9
    • Views: 3,511
    02-16-2014, 08:34 AM Go to last post
  9. Condenser fan wiring

    Started by Mauiislandice, 02-15-2014 08:42 PM
    • Replies: 2
    • Views: 1,096
    02-15-2014, 09:55 PM Go to last post
    • Replies: 14
    • Views: 1,896
    02-14-2014, 06:11 PM Go to last post
  10. Hmm carrier roof top unit

    Started by airfx, 02-13-2014 03:54 PM
    • Replies: 10
    • Views: 2,274
    02-14-2014, 08:31 AM Go to last post
  11. Confused TB6575A1000 and Aquastat advice please

    Started by OlDrunk, 02-14-2014 01:02 AM
    • Replies: 0
    • Views: 688
    02-14-2014, 01:02 AM Go to last post
    • Replies: 7
    • Views: 2,248
    02-11-2014, 08:30 AM Go to last post
  12. Confused leaving chilled water temperature

    Started by Nandhakumar, 02-03-2014 12:48 PM
    • Replies: 5
    • Views: 1,516
    02-11-2014, 03:33 AM Go to last post
  13. Three phase Electric heat formula

    Started by sraburne, 02-05-2014 10:31 PM
    • Replies: 7
    • Views: 3,046
    02-10-2014, 08:23 PM Go to last post
    • Replies: 0
    • Views: 1,003
    02-09-2014, 09:57 PM Go to last post
  14. Aaon draft motors

    Started by Ryn9212000, 11-22-2013 01:00 PM
    • Replies: 2
    • Views: 1,384
    02-08-2014, 04:37 PM Go to last post
  15. York Literature

    Started by mechmike2, 02-07-2014 09:32 AM
    • Replies: 1
    • Views: 1,040
    02-07-2014, 07:50 PM Go to last post
    • Replies: 8
    • Views: 2,244
    02-07-2014, 03:51 PM Go to last post
    • Replies: 3
    • Views: 860
    02-07-2014, 12:02 AM Go to last post
  16. Quick heads up

    Started by Roncool, 01-30-2014 10:43 AM
    • Replies: 4
    • Views: 1,164
    02-05-2014, 08:36 AM Go to last post
  17. Temperature in space

    Started by Heatman317, 02-04-2014 10:35 AM
    • Replies: 2
    • Views: 900
    02-04-2014, 01:02 PM Go to last post
    • Replies: 0
    • Views: 976
    02-01-2014, 04:19 AM Go to last post
  18. Static Pressure & CFM sensor inside ductwork

    Started by mwcasale, 01-31-2014 01:18 PM
    • Replies: 1
    • Views: 1,186
    01-31-2014, 01:39 PM Go to last post
  19. Nominal and Actual Cooling Loads

    Started by lasco.ad, 01-31-2014 02:02 AM
    • Replies: 0
    • Views: 852
    01-31-2014, 02:02 AM Go to last post
  20. Geothermal for underground Data Center

    Started by jermrief, 01-30-2014 09:33 PM
    geothermal, geothermal heat pumps
    • Replies: 3
    • Views: 1,383
    01-30-2014, 10:39 PM Go to last post
  21. Classroom unit ventilators

    Started by chillwater, 01-30-2014 08:24 AM
    • Replies: 0
    • Views: 708
    01-30-2014, 08:24 AM Go to last post
  22. Effect on screw compressor life

    Started by ishtiaq Ahmad, 12-08-2013 11:48 AM
    • Replies: 2
    • Views: 955
    01-30-2014, 02:17 AM Go to last post
  23. PTAC behind steam radiator?

    Started by dp563, 01-28-2014 04:10 AM
    • Replies: 1
    • Views: 1,112
    01-28-2014, 04:56 PM Go to last post
  24. Makeup air unit 900,000 btu

    Started by Mrfixit12, 01-25-2014 12:07 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,354
    01-25-2014, 01:36 PM Go to last post
  25. Ignition issues with Lennox rt unit

    Started by Iambax, 01-23-2014 05:56 PM
    • Replies: 2
    • Views: 980
    01-24-2014, 10:50 PM Go to last post
    • Replies: 2
    • Views: 865
    01-24-2014, 10:25 PM Go to last post
  26. Heat cuts out on York D7CG060N09958

    Started by Carafewine, 01-14-2014 05:33 PM
    • Replies: 12
    • Views: 2,029
    01-24-2014, 01:52 PM Go to last post
  27. Help with cooling data racks...

    Started by Biggen, 01-20-2014 10:14 PM
    • Replies: 7
    • Views: 1,142
    01-23-2014, 06:17 PM Go to last post
    • Replies: 3
    • Views: 1,035
    01-22-2014, 01:21 AM Go to last post
  28. Wireless remote thermostat for GE ptac

    Started by L.Fisher, 01-21-2014 02:30 PM
    • Replies: 2
    • Views: 1,637
    01-21-2014, 09:31 PM Go to last post
  29. Rheem furnace keeps going out

    Started by Zeebo989, 01-20-2014 11:52 PM
    • Replies: 2
    • Views: 770
    01-21-2014, 10:06 AM Go to last post
  30. How'd The Snow get There??

    Started by CE-TECH, 02-10-2011 08:10 PM
    • Replies: 12
    • Views: 2,322
    01-20-2014, 10:24 AM Go to last post
  31. Too much draft??

    Started by gtsguy, 01-19-2014 03:32 PM
    • Replies: 1
    • Views: 894
    01-19-2014, 04:06 PM Go to last post
  32. Help with 3-way valve identification

    Started by 929rc51, 01-17-2014 01:32 PM
    • Replies: 9
    • Views: 1,794
    01-18-2014, 08:01 PM Go to last post
  33. Orcaview 3.33 cryptic alarming messages

    Started by elliottt, 01-14-2014 01:48 PM
    • Replies: 0
    • Views: 603
    01-14-2014, 01:48 PM Go to last post
  34. Commercial microwave ovens

    Started by topchop, 01-13-2014 12:10 AM
    • Replies: 3
    • Views: 799
    01-13-2014, 12:45 AM Go to last post
  35. Trane - 10-Ton RTU - Electric Heat Question

    Started by Milliron, 11-25-2013 06:24 PM
    electric heating equipment, rtu, trane, trane commercial hvac
    • Replies: 3
    • Views: 1,952
    01-11-2014, 03:19 PM Go to last post
  36. Confused Renovation Question

    Started by HITMANVQ35, 01-10-2014 07:27 PM
    • Replies: 0
    • Views: 634
    01-10-2014, 07:27 PM Go to last post
  37. Bitzer screw compressor

    Started by Devilic Angelz, 01-10-2014 02:27 AM
    • Replies: 0
    • Views: 792
    01-10-2014, 02:27 AM Go to last post
  38. Need Dehumidifier for metal building. Suggestions?

    Started by kmad86, 01-06-2014 11:29 AM
    • Replies: 12
    • Views: 2,724
    01-08-2014, 06:25 PM Go to last post
  39. carrier 30gxr2250 code t998

    Started by darin estrin, 01-07-2014 03:18 AM
    • Replies: 0
    • Views: 678
    01-07-2014, 03:18 AM Go to last post
  40. Old Catholic Church

    Started by ckelley3, 01-06-2014 10:45 PM
    • Replies: 2
    • Views: 1,218
    01-07-2014, 12:38 AM Go to last post

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