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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: 3,752
    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: 3,087
    10-31-2011, 07:37 PM Go to last post
    • Replies: 1
    • Views: 607
    10-15-2011, 06:44 AM Go to last post
  1. Confused Trane Water Source Heat Pumps

    Started by Leapin' lemer, 04-22-2008 04:09 PM
    • Replies: 7
    • Views: 3,247
    10-13-2011, 09:47 PM Go to last post
  2. Old Hiel Quaker rooftop unit information

    Started by BULL65, 10-11-2011 07:30 AM
    • Replies: 1
    • Views: 585
    10-11-2011, 11:54 AM Go to last post
  3. Cool Sanyo Hermetic Compressor

    Started by hos, 01-31-2008 05:16 AM
    • Replies: 1
    • Views: 1,542
    10-11-2011, 07:26 AM Go to last post
  4. Hitachi Screw Compressor questions

    Started by allstar08, 09-24-2009 12:31 AM
    • Replies: 6
    • Views: 3,569
    10-11-2011, 12:23 AM Go to last post
  5. Ventilation for Medical Marijuana Clinic

    Started by Bird, 09-12-2011 04:02 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 2,553
    10-10-2011, 09:00 PM Go to last post
  6. 300ft distance between CU and AHU

    Started by joeymustang, 10-04-2011 03:34 PM
    • Replies: 6
    • Views: 1,232
    10-10-2011, 06:59 PM Go to last post
  7. Pipe connection question - gate valve steel pipe

    Started by zeppy, 09-30-2011 06:28 PM
    • Replies: 10
    • Views: 1,281
    10-08-2011, 12:59 PM Go to last post
  8. ASHRAE 62-2010 and partial occupancy?

    Started by Grawburg, 10-07-2011 06:14 AM
    • Replies: 1
    • Views: 1,092
    10-07-2011, 08:10 AM Go to last post
  9. cleaver brooks manual

    Started by BOP, 08-27-2011 07:43 AM
    • Replies: 1
    • Views: 974
    10-06-2011, 01:30 PM Go to last post
  10. Adding an exhaust fan to a boiler room

    Started by persaverence, 10-03-2011 01:52 PM
    • Replies: 5
    • Views: 1,799
    10-06-2011, 01:18 PM Go to last post
  11. Ultrasonic Flow Meters

    Started by igwt777, 07-08-2005 10:02 AM
    • Replies: 2
    • Views: 1,203
    10-06-2011, 01:34 AM Go to last post
    • Replies: 2
    • Views: 946
    10-06-2011, 01:08 AM Go to last post
  12. makeup air

    Started by alupien, 10-02-2011 10:51 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,902
    10-05-2011, 07:47 PM Go to last post
  13. dryer filter problem with insurance

    Started by foodguy, 09-17-2011 06:37 PM
    • Replies: 7
    • Views: 1,052
    10-05-2011, 07:31 PM Go to last post
  14. daikin vs mitsubishi

    Started by kaehvac, 02-21-2008 08:47 AM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 21,152
    10-04-2011, 09:57 AM Go to last post
  15. carrier rooftop unit

    Started by leavemcold, 09-08-2011 04:39 AM
    • Replies: 10
    • Views: 1,508
    10-04-2011, 08:45 AM Go to last post
  16. Liebert CRAC unit - short cycle problem

    Started by Hutch, 07-15-2009 01:09 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 13,056
    10-03-2011, 08:52 PM Go to last post
  17. Trane TSC090A3R0A1XA00003000000

    Started by domer, 09-30-2011 03:40 PM
    • Replies: 8
    • Views: 686
    10-01-2011, 10:02 PM Go to last post
  18. Carrier 40QNB024 Split Not sending signal

    Started by Jroesner, 09-29-2011 03:03 PM
    • Replies: 3
    • Views: 851
    09-30-2011, 09:49 AM Go to last post
  19. What A/C Brand is Durable

    Started by morzy, 09-23-2011 06:06 AM
    • Replies: 6
    • Views: 1,033
    09-29-2011, 07:49 AM Go to last post
  20. Old York RTU footprint

    Started by tech1974, 09-22-2011 05:59 PM
    • Replies: 1
    • Views: 1,065
    09-28-2011, 11:55 PM Go to last post
  21. Trane RTAA Sensors

    Started by mstpeter, 09-27-2011 07:43 AM
    • Replies: 5
    • Views: 1,150
    09-28-2011, 12:49 PM Go to last post
  22. Heating A Small Body Shop

    Started by Wombat, 09-21-2011 03:21 PM
    • Replies: 10
    • Views: 1,323
    09-26-2011, 04:46 PM Go to last post
  23. Ammonia for Cold Storage

    Started by 2story, 04-25-2007 09:28 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,126
    09-25-2011, 10:20 PM Go to last post
  24. coil cleaning

    Started by Jobe Justice, 09-24-2011 09:50 AM
    • Replies: 5
    • Views: 793
    09-24-2011, 04:30 PM Go to last post
    • Replies: 2
    • Views: 691
    09-24-2011, 03:58 PM Go to last post
  25. Commercial Freezer Contacts question

    Started by DQJim, 09-23-2011 06:05 PM
    • Replies: 4
    • Views: 554
    09-23-2011, 06:39 PM Go to last post
  26. Wink Water source heat pumps

    Started by Hardwater, 09-19-2011 08:11 PM
    • Replies: 3
    • Views: 1,137
    09-23-2011, 04:34 PM Go to last post
  27. Help IDing an old unit please

    Started by mitchg, 09-20-2011 11:33 AM
    • Replies: 9
    • Views: 910
    09-22-2011, 10:44 PM Go to last post
  28. Confused McQuay--High Head Pressure--Fan Cycling

    Started by hvactech80, 09-20-2011 03:56 PM
    • Replies: 1
    • Views: 928
    09-20-2011, 07:55 PM Go to last post
  29. insulation

    Started by mightyjoe, 09-19-2011 08:18 PM
    • Replies: 3
    • Views: 556
    09-20-2011, 06:16 AM Go to last post
  30. Need enlightenment on HVAC

    Started by PastorJohn, 09-18-2011 10:38 AM
    • Replies: 5
    • Views: 712
    09-18-2011, 04:54 PM Go to last post
  31. Totaline Setup Question

    Started by Suprageezer, 09-03-2011 09:25 AM
    • Replies: 1
    • Views: 892
    09-17-2011, 08:51 PM Go to last post
  32. Light Commercial Automation System?

    Started by coolguy69, 09-07-2011 10:16 PM
    • Replies: 12
    • Views: 1,259
    09-17-2011, 08:43 PM Go to last post
  33. Frown Reversing Valve

    Started by dillarddrake, 09-15-2011 03:26 PM
    reversing valve
    • Replies: 0
    • Views: 531
    09-15-2011, 03:26 PM Go to last post
  34. Carrier Omnizone Control Problems

    Started by realcoolbreeze, 09-08-2011 02:16 AM
    • Replies: 5
    • Views: 788
    09-15-2011, 03:26 PM Go to last post
  35. Talking compressor cutting out on over load protection

    Started by rebeca, 09-12-2011 02:27 AM
    • Replies: 6
    • Views: 1,619
    09-15-2011, 03:47 AM Go to last post
  36. Unhappy NEED TO FIND 260F LIMIT

    Started by mrhvacmechanic, 09-07-2011 06:55 PM
    • Replies: 6
    • Views: 649
    09-14-2011, 04:01 AM Go to last post
  37. old carrier vavs

    Started by ccut, 09-01-2011 07:20 PM
    • Replies: 7
    • Views: 1,594
    09-13-2011, 10:29 AM Go to last post
  38. lennox gas pack ccs3-2753-500a-7y

    Started by scott6337, 09-12-2011 12:36 PM
    • Replies: 1
    • Views: 845
    09-12-2011, 07:42 PM Go to last post
  39. enviro-tec VAV speed control

    Started by SFRON, 09-09-2011 09:30 AM
    • Replies: 2
    • Views: 1,378
    09-12-2011, 07:46 AM Go to last post
  40. delinquent tenant left behind york 3phase 10ton a/c

    Started by prpty_mngr, 06-19-2011 11:14 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,638
    09-08-2011, 11:29 PM Go to last post
    • Replies: 4
    • Views: 1,188
    09-08-2011, 06:11 AM Go to last post
  41. Ethical question on venting

    Started by twophase, 08-13-2011 03:40 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,280
    09-07-2011, 10:05 AM Go to last post
  42. Thumbs up york ycws chiller

    Started by GOG, 09-01-2011 10:53 AM
    • Replies: 12
    • Views: 2,367
    09-06-2011, 10:46 AM Go to last post
  43. York Eco2 Chain Fault

    Started by Clay718, 09-02-2011 11:30 AM
    • Replies: 2
    • Views: 1,163
    09-03-2011, 08:14 AM Go to last post
  44. Sheave replacement

    Started by rucomfy101, 08-28-2011 08:45 AM
    • Replies: 2
    • Views: 1,383
    09-03-2011, 07:05 AM Go to last post
  45. Blast Freezer Wall Problem

    Started by Brad on Island, 09-02-2011 02:21 AM
    • Replies: 3
    • Views: 929
    09-02-2011, 04:23 PM Go to last post
  46. york r-114 comp

    Started by felch_usn, 08-27-2011 09:42 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 2,594
    09-02-2011, 04:53 AM Go to last post

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