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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: 4,288
    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: 3,581
    10-31-2011, 07:37 PM Go to last post
  1. 36'' chilled water pipes??

    Started by glennwith2ns, 01-30-2007 09:40 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,029
    05-06-2012, 10:17 AM Go to last post
  2. Floor level cold air distribution

    Started by innova, 05-05-2012 06:53 AM
    • Replies: 1
    • Views: 770
    05-05-2012, 07:51 AM Go to last post
  3. Mcquay alr help

    Started by Kerik7, 05-04-2012 11:33 AM
    • Replies: 0
    • Views: 690
    05-04-2012, 11:33 AM Go to last post
  4. cactus56

    Started by choya56, 04-18-2012 03:36 PM
    • Replies: 7
    • Views: 1,110
    05-04-2012, 11:02 AM Go to last post
  5. Fan-powered VAV's with a ducted return

    Started by psu104, 05-03-2012 02:38 PM
    • Replies: 4
    • Views: 1,206
    05-04-2012, 10:37 AM Go to last post
    • Replies: 1
    • Views: 1,345
    05-03-2012, 02:16 PM Go to last post
  6. Question Turbocor Compressor

    Started by chillywilly961, 06-28-2004 11:09 AM
    • Replies: 12
    • Views: 2,445
    05-02-2012, 09:11 PM Go to last post
  7. TRANE air cooled Chillers RTAD RTAC

    Started by Therock7979, 04-22-2012 03:02 PM
    • Replies: 8
    • Views: 2,174
    05-02-2012, 03:25 AM Go to last post
  8. Question 30 gx carrie chiller tripping

    Started by moideen, 05-30-2008 11:22 PM
    • Replies: 8
    • Views: 2,858
    04-27-2012, 05:55 PM Go to last post
    • Replies: 6
    • Views: 3,502
    04-27-2012, 05:24 PM Go to last post
  9. 40 ton refrig. rack oil pressure issue

    Started by iahvac, 04-26-2012 08:40 PM
    • Replies: 0
    • Views: 782
    04-26-2012, 08:40 PM Go to last post
  10. York YCAJ76SU646PB

    Started by MaxR, 04-26-2012 05:14 PM
    • Replies: 0
    • Views: 727
    04-26-2012, 05:14 PM Go to last post
  11. Renewaire ERV units

    Started by zuke19, 04-24-2012 09:08 AM
    • Replies: 1
    • Views: 1,232
    04-25-2012, 05:56 PM Go to last post
  12. Disconnected ducts in the ceiling

    Started by Insights, 04-25-2012 10:20 AM
    • Replies: 2
    • Views: 1,084
    04-25-2012, 03:58 PM Go to last post
  13. voyager fan

    Started by Stump659, 04-24-2012 07:25 AM
    • Replies: 4
    • Views: 859
    04-25-2012, 05:57 AM Go to last post
  14. YCAS Slide valve problem?

    Started by CJ868, 04-18-2012 12:25 PM
    • Replies: 6
    • Views: 1,436
    04-22-2012, 11:43 PM Go to last post
  15. Hmm Trane Model Numbers?

    Started by Paulio, 03-09-2008 11:02 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 53,833
    04-22-2012, 04:19 PM Go to last post
  16. 0-10 vdc actuator with a 4-20 ma output

    Started by iahvac, 04-19-2012 08:42 PM
    • Replies: 1
    • Views: 1,215
    04-22-2012, 12:07 AM Go to last post
  17. Question on a gas electric package unit

    Started by Cienfuegos, 04-18-2012 11:54 PM
    • Replies: 2
    • Views: 984
    04-21-2012, 11:50 AM Go to last post
  18. Question BTU Meter Billing

    Started by ratheepkrk, 05-29-2011 07:33 AM
    • Replies: 2
    • Views: 2,140
    04-20-2012, 09:40 PM Go to last post
  19. Question HVAC software recommendations

    Started by blackpotter, 09-23-2003 09:11 AM
    • Replies: 4
    • Views: 2,250
    04-20-2012, 06:11 PM Go to last post
  20. freeze stat tripping

    Started by rcjohn, 03-12-2012 04:38 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 3,658
    04-19-2012, 04:31 PM Go to last post
  21. Life of humidifier heating elements?

    Started by moshmont, 04-19-2012 06:37 AM
    • Replies: 0
    • Views: 720
    04-19-2012, 06:37 AM Go to last post
  22. Thumbs down High oil temp trip?

    Started by prestonegreen, 04-16-2012 09:50 AM
    • Replies: 3
    • Views: 785
    04-18-2012, 08:46 AM Go to last post
  23. What SEER would an 18 year old unit be?

    Started by Maikerum, 04-12-2012 04:04 PM
    • Replies: 4
    • Views: 1,183
    04-16-2012, 10:21 PM Go to last post
  24. Internally Grounded RTU Compressor

    Started by bandit2012, 04-06-2012 02:52 PM
    • Replies: 11
    • Views: 1,741
    04-16-2012, 09:20 PM Go to last post
  25. York ECO2 BACnet IP

    Started by pmstate, 04-16-2012 10:03 AM
    • Replies: 2
    • Views: 1,076
    04-16-2012, 04:50 PM Go to last post
  26. Lennox

    Started by mrbean, 04-14-2012 11:42 AM
    • Replies: 5
    • Views: 1,026
    04-15-2012, 08:56 AM Go to last post
  27. Question Thermostat to YCD 060C3LOBE

    Started by angel021558, 04-13-2012 04:43 PM
    • Replies: 2
    • Views: 1,143
    04-13-2012, 06:33 PM Go to last post
  28. Johnson Controls Facility Explorer

    Started by fred grange, 11-01-2009 10:39 PM
    "johnson controls facility explorer", engineer, hvac monitor, remote monitoring
    • Replies: 3
    • Views: 2,336
    04-12-2012, 06:42 PM Go to last post
  29. Broad Chiller-Heater

    Started by PaulDiglio, 12-02-2007 05:31 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 8,480
    04-12-2012, 05:58 AM Go to last post
  30. HVAC Equipment Insulation

    Started by zero13, 01-08-2012 02:03 AM
    • Replies: 6
    • Views: 1,146
    04-12-2012, 05:49 AM Go to last post
  31. Carrier Infinity System with multzones

    Started by coldasice2, 04-11-2012 05:54 PM
    • Replies: 1
    • Views: 790
    04-11-2012, 07:49 PM Go to last post
  32. Commercial HVAC Manufacturers

    Started by bandit2012, 04-10-2012 02:35 PM
    • Replies: 4
    • Views: 1,348
    04-11-2012, 07:45 PM Go to last post
  33. Carrier 23XL Compressor Question

    Started by rustygray, 04-05-2012 02:12 PM
    • Replies: 6
    • Views: 1,395
    04-09-2012, 11:24 AM Go to last post
    • Replies: 5
    • Views: 861
    04-08-2012, 05:35 PM Go to last post
  34. Grounded RTU compressor

    Started by abcando, 04-05-2012 10:24 PM
    • Replies: 12
    • Views: 1,441
    04-06-2012, 09:53 PM Go to last post
  35. Confused York YR Screw

    Started by rnp125, 04-06-2012 12:49 PM
    • Replies: 0
    • Views: 615
    04-06-2012, 12:49 PM Go to last post
  36. Frown Looking for wiring diagrams

    Started by volts10, 03-29-2012 08:32 AM
    • Replies: 1
    • Views: 905
    04-06-2012, 11:52 AM Go to last post
  37. Applied Air System

    Started by GNP Boys, 04-05-2012 06:08 AM
    • Replies: 2
    • Views: 678
    04-05-2012, 10:55 PM Go to last post
  38. Confused Seimens Tec 903 Fume hood controlller 456-00701

    Started by hek, 03-07-2012 01:54 PM
    • Replies: 1
    • Views: 969
    04-04-2012, 06:07 PM Go to last post
  39. HVAC Design for Hyperbaric Treatment Rooms

    Started by MechGirl, 03-29-2012 02:49 PM
    • Replies: 3
    • Views: 1,522
    04-04-2012, 08:59 AM Go to last post
    • Replies: 8
    • Views: 1,507
    04-02-2012, 06:57 AM Go to last post
  40. Best Unit for 3700ft commercial space

    Started by Lou Apo, 03-28-2012 04:38 PM
    • Replies: 11
    • Views: 1,197
    04-01-2012, 10:29 PM Go to last post
  41. Radiant vs Air Rotation Units

    Started by billybetts, 03-20-2012 08:56 PM
    • Replies: 4
    • Views: 1,174
    04-01-2012, 10:02 PM Go to last post
  42. hydronic mystery

    Started by indyapprentice440, 03-30-2012 06:52 PM
    • Replies: 1
    • Views: 716
    03-30-2012, 08:03 PM Go to last post
  43. Frown Des Champs Technologies 100% O.A.

    Started by emf1, 03-29-2012 03:18 PM
    • Replies: 0
    • Views: 690
    03-29-2012, 03:18 PM Go to last post
  44. Air separator on chilled water lines

    Started by DKinYORKpa, 09-17-2009 05:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 11,246
    03-24-2012, 10:24 AM Go to last post
  45. Old Trane RTU model number help

    Started by vskaria, 03-14-2012 02:14 PM
    • Replies: 2
    • Views: 2,095
    03-23-2012, 03:46 PM Go to last post
  46. Commercial Boiler Burner Question

    Started by josh1, 03-15-2012 11:35 AM
    • Replies: 5
    • Views: 1,303
    03-22-2012, 07:10 PM Go to last post

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