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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: 6,407
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 5,496
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Question Turbocor Compressor

    Started by chillywilly961, 06-28-2004 11:09 AM
    • Replies: 12
    • Views: 2,784
    05-02-2012, 09:11 PM Go to last post
  3. TRANE air cooled Chillers RTAD RTAC

    Started by Therock7979, 04-22-2012 03:02 PM
    • Replies: 8
    • Views: 2,501
    05-02-2012, 03:25 AM Go to last post
  4. Question 30 gx carrie chiller tripping

    Started by moideen, 05-30-2008 11:22 PM
    • Replies: 8
    • Views: 3,173
    04-27-2012, 05:55 PM Go to last post
    • Replies: 6
    • Views: 4,503
    04-27-2012, 05:24 PM Go to last post
  5. 40 ton refrig. rack oil pressure issue

    Started by iahvac, 04-26-2012 08:40 PM
    • Replies: 0
    • Views: 881
    04-26-2012, 08:40 PM Go to last post
  6. York YCAJ76SU646PB

    Started by MaxR, 04-26-2012 05:14 PM
    • Replies: 0
    • Views: 824
    04-26-2012, 05:14 PM Go to last post
  7. Renewaire ERV units

    Started by zuke19, 04-24-2012 09:08 AM
    • Replies: 1
    • Views: 1,491
    04-25-2012, 05:56 PM Go to last post
  8. Disconnected ducts in the ceiling

    Started by Insights, 04-25-2012 10:20 AM
    • Replies: 2
    • Views: 1,194
    04-25-2012, 03:58 PM Go to last post
  9. voyager fan

    Started by Stump659, 04-24-2012 07:25 AM
    • Replies: 4
    • Views: 997
    04-25-2012, 05:57 AM Go to last post
  10. YCAS Slide valve problem?

    Started by CJ868, 04-18-2012 12:25 PM
    • Replies: 6
    • Views: 1,736
    04-22-2012, 11:43 PM Go to last post
  11. Hmm Trane Model Numbers?

    Started by Paulio, 03-09-2008 11:02 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 63,819
    04-22-2012, 04:19 PM Go to last post
  12. 0-10 vdc actuator with a 4-20 ma output

    Started by iahvac, 04-19-2012 08:42 PM
    • Replies: 1
    • Views: 1,398
    04-22-2012, 12:07 AM Go to last post
  13. Question on a gas electric package unit

    Started by Cienfuegos, 04-18-2012 11:54 PM
    • Replies: 2
    • Views: 1,104
    04-21-2012, 11:50 AM Go to last post
  14. Question BTU Meter Billing

    Started by ratheepkrk, 05-29-2011 07:33 AM
    • Replies: 2
    • Views: 2,669
    04-20-2012, 09:40 PM Go to last post
  15. Question HVAC software recommendations

    Started by blackpotter, 09-23-2003 09:11 AM
    • Replies: 4
    • Views: 2,361
    04-20-2012, 06:11 PM Go to last post
  16. freeze stat tripping

    Started by rcjohn, 03-12-2012 04:38 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 4,390
    04-19-2012, 04:31 PM Go to last post
  17. Life of humidifier heating elements?

    Started by moshmont, 04-19-2012 06:37 AM
    • Replies: 0
    • Views: 812
    04-19-2012, 06:37 AM Go to last post
  18. Thumbs down High oil temp trip?

    Started by prestonegreen, 04-16-2012 09:50 AM
    • Replies: 3
    • Views: 881
    04-18-2012, 08:46 AM Go to last post
  19. What SEER would an 18 year old unit be?

    Started by Maikerum, 04-12-2012 04:04 PM
    • Replies: 4
    • Views: 1,316
    04-16-2012, 10:21 PM Go to last post
  20. Internally Grounded RTU Compressor

    Started by bandit2012, 04-06-2012 02:52 PM
    • Replies: 11
    • Views: 2,014
    04-16-2012, 09:20 PM Go to last post
  21. York ECO2 BACnet IP

    Started by pmstate, 04-16-2012 10:03 AM
    • Replies: 2
    • Views: 1,270
    04-16-2012, 04:50 PM Go to last post
  22. Lennox

    Started by mrbean, 04-14-2012 11:42 AM
    • Replies: 5
    • Views: 1,237
    04-15-2012, 08:56 AM Go to last post
  23. Question Thermostat to YCD 060C3LOBE

    Started by angel021558, 04-13-2012 04:43 PM
    • Replies: 2
    • Views: 1,398
    04-13-2012, 06:33 PM Go to last post
  24. Johnson Controls Facility Explorer

    Started by fred grange, 11-01-2009 11:39 PM
    "johnson controls facility explorer", engineer, hvac monitor, remote monitoring
    • Replies: 3
    • Views: 2,672
    04-12-2012, 06:42 PM Go to last post
  25. Broad Chiller-Heater

    Started by PaulDiglio, 12-02-2007 06:31 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 9,036
    04-12-2012, 05:58 AM Go to last post
  26. HVAC Equipment Insulation

    Started by zero13, 01-08-2012 03:03 AM
    • Replies: 6
    • Views: 1,259
    04-12-2012, 05:49 AM Go to last post
  27. Carrier Infinity System with multzones

    Started by coldasice2, 04-11-2012 05:54 PM
    • Replies: 1
    • Views: 874
    04-11-2012, 07:49 PM Go to last post
  28. Commercial HVAC Manufacturers

    Started by bandit2012, 04-10-2012 02:35 PM
    • Replies: 4
    • Views: 1,532
    04-11-2012, 07:45 PM Go to last post
  29. Carrier 23XL Compressor Question

    Started by rustygray, 04-05-2012 02:12 PM
    • Replies: 6
    • Views: 1,656
    04-09-2012, 11:24 AM Go to last post
    • Replies: 5
    • Views: 966
    04-08-2012, 05:35 PM Go to last post
  30. Grounded RTU compressor

    Started by abcando, 04-05-2012 10:24 PM
    • Replies: 12
    • Views: 1,733
    04-06-2012, 09:53 PM Go to last post
  31. Confused York YR Screw

    Started by rnp125, 04-06-2012 12:49 PM
    • Replies: 0
    • Views: 701
    04-06-2012, 12:49 PM Go to last post
  32. Frown Looking for wiring diagrams

    Started by volts10, 03-29-2012 08:32 AM
    • Replies: 1
    • Views: 973
    04-06-2012, 11:52 AM Go to last post
  33. Applied Air System

    Started by GNP Boys, 04-05-2012 06:08 AM
    • Replies: 2
    • Views: 771
    04-05-2012, 10:55 PM Go to last post
  34. Confused Seimens Tec 903 Fume hood controlller 456-00701

    Started by hek, 03-07-2012 02:54 PM
    • Replies: 1
    • Views: 1,062
    04-04-2012, 06:07 PM Go to last post
  35. HVAC Design for Hyperbaric Treatment Rooms

    Started by MechGirl, 03-29-2012 02:49 PM
    • Replies: 3
    • Views: 1,762
    04-04-2012, 08:59 AM Go to last post
    • Replies: 8
    • Views: 1,813
    04-02-2012, 06:57 AM Go to last post
  36. Best Unit for 3700ft commercial space

    Started by Lou Apo, 03-28-2012 04:38 PM
    • Replies: 11
    • Views: 1,392
    04-01-2012, 10:29 PM Go to last post
  37. Radiant vs Air Rotation Units

    Started by billybetts, 03-20-2012 08:56 PM
    • Replies: 4
    • Views: 1,278
    04-01-2012, 10:02 PM Go to last post
  38. hydronic mystery

    Started by indyapprentice440, 03-30-2012 06:52 PM
    • Replies: 1
    • Views: 809
    03-30-2012, 08:03 PM Go to last post
  39. Frown Des Champs Technologies 100% O.A.

    Started by emf1, 03-29-2012 03:18 PM
    • Replies: 0
    • Views: 777
    03-29-2012, 03:18 PM Go to last post
  40. Air separator on chilled water lines

    Started by DKinYORKpa, 09-17-2009 05:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 13,204
    03-24-2012, 10:24 AM Go to last post
  41. Old Trane RTU model number help

    Started by vskaria, 03-14-2012 02:14 PM
    • Replies: 2
    • Views: 2,608
    03-23-2012, 03:46 PM Go to last post
  42. Commercial Boiler Burner Question

    Started by josh1, 03-15-2012 11:35 AM
    • Replies: 5
    • Views: 1,473
    03-22-2012, 07:10 PM Go to last post
  43. Confused Flaoting head pressure

    Started by sm91737, 03-21-2012 01:29 PM
    • Replies: 5
    • Views: 1,097
    03-22-2012, 10:50 AM Go to last post
  44. humidity control for hospital surgery room

    Started by xrqp, 02-22-2012 01:54 AM
    • Replies: 11
    • Views: 2,913
    03-20-2012, 06:07 AM Go to last post
  45. Freon 22 monitoring

    Started by Darrell Moody, 03-16-2012 01:45 PM
    • Replies: 9
    • Views: 1,336
    03-19-2012, 09:28 PM Go to last post
  46. Make Up Air Help!!!!

    Started by blkmz3, 03-19-2012 10:57 AM
    • Replies: 1
    • Views: 776
    03-19-2012, 12:00 PM Go to last post
  47. QUESTIONS ABOUT MED CENTER HVAC

    Started by abbysilverman, 03-17-2012 04:50 PM
    • Replies: 6
    • Views: 993
    03-19-2012, 09:06 AM Go to last post
  48. york ypal085e rtu cfm issue

    Started by Jersey Boy, 03-16-2012 11:40 AM
    • Replies: 3
    • Views: 969
    03-16-2012, 01:50 PM Go to last post

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