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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: 9,008
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 7,854
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. make up air with heat

    Started by ISD, 03-10-2011 09:53 PM
    • Replies: 3
    • Views: 899
    03-10-2011, 10:12 PM Go to last post
  3. carel humidifier....leaking ducts....HELP!

    Started by hmscool, 03-08-2011 06:29 PM
    • Replies: 5
    • Views: 1,344
    03-10-2011, 08:46 PM Go to last post
  4. York compressor Z style

    Started by brztech, 03-09-2011 10:30 AM
    • Replies: 3
    • Views: 1,141
    03-10-2011, 03:34 PM Go to last post
  5. Chiller Trouble

    Started by wormy, 05-07-2009 10:34 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,753
    03-10-2011, 03:20 PM Go to last post
  6. hvac replacement

    Started by tavos7, 01-26-2011 05:52 PM
    • Replies: 6
    • Views: 1,009
    03-10-2011, 01:53 PM Go to last post
  7. COMMERCIAL PROPOSAL SOFTWARE

    Started by dholladay, 02-17-2009 07:34 PM
    • Replies: 5
    • Views: 2,516
    03-10-2011, 09:43 AM Go to last post
  8. Need a Thermostat

    Started by ascj, 03-09-2011 06:21 PM
    • Replies: 5
    • Views: 969
    03-10-2011, 01:37 AM Go to last post
  9. Question CAREL Mtr Protector resistance values

    Started by mrhvacmechanic, 03-08-2011 10:44 PM
    • Replies: 3
    • Views: 716
    03-10-2011, 01:11 AM Go to last post
  10. VAV K-Factor

    Started by leoxxl, 03-09-2011 11:20 PM
    • Replies: 1
    • Views: 1,071
    03-10-2011, 12:45 AM Go to last post
  11. Frown Hole in Scroll Housing

    Started by ReferTek, 03-09-2011 12:09 AM
    carrier, copeland, leak, scroll
    • Replies: 6
    • Views: 2,099
    03-09-2011, 11:58 PM Go to last post
  12. Obsolete?

    Started by airpro71, 03-05-2011 08:26 PM
    • Replies: 5
    • Views: 1,023
    03-09-2011, 10:38 PM Go to last post
  13. Yokagawa GE Leak Detector H-10 G

    Started by al o, 03-07-2011 06:31 PM
    • Replies: 3
    • Views: 1,141
    03-09-2011, 07:53 PM Go to last post
  14. Enviro Tech

    Started by ascj, 02-28-2011 06:25 PM
    • Replies: 9
    • Views: 3,024
    03-09-2011, 04:29 PM Go to last post
  15. WaterFurnace Heat Pump Woes

    Started by blabath, 02-24-2011 01:28 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,624
    03-09-2011, 01:36 PM Go to last post
  16. Repeated broken hot surface ignitors on Lochinvar

    Started by Lugs, 01-08-2010 06:50 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 6,901
    03-09-2011, 11:58 AM Go to last post
  17. Question 22 substitutes

    Started by Randy S., 03-05-2011 08:42 PM
    • Replies: 9
    • Views: 2,085
    03-09-2011, 06:18 AM Go to last post
  18. Average KW/hr calculation on Trane Voyager 25 Tons

    Started by atamai, 03-01-2011 12:53 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,067
    03-08-2011, 03:50 PM Go to last post
  19. Molex plug tools

    Started by Dilp172, 03-04-2011 03:05 PM
    • Replies: 4
    • Views: 1,423
    03-08-2011, 12:59 PM Go to last post
  20. Carrier "Comfort View" HVAC control software

    Started by bwd111, 03-07-2011 06:23 PM
    • Replies: 2
    • Views: 2,059
    03-08-2011, 11:17 AM Go to last post
  21. Confused Carrier 50TJ low voltage Issue

    Started by coolitdown, 03-07-2011 09:33 PM
    • Replies: 3
    • Views: 1,604
    03-08-2011, 08:31 AM Go to last post
  22. propane applications

    Started by hvac1966, 01-25-2011 06:10 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,878
    03-07-2011, 07:52 PM Go to last post
  23. control voltage transformer nuisance tripping

    Started by carwel, 02-14-2011 09:19 PM
    • Replies: 6
    • Views: 2,846
    03-07-2011, 09:00 AM Go to last post
  24. Liebert Mini Mate and Humidity Issues

    Started by turbo50mike, 03-05-2011 10:56 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,389
    03-06-2011, 02:37 PM Go to last post
  25. w 7100a Discharge air controller

    Started by james mo, 09-15-2008 04:44 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,078
    03-06-2011, 10:14 AM Go to last post
    • Replies: 9
    • Views: 3,200
    03-05-2011, 11:32 PM Go to last post
  26. Cleaver Brooks CBH

    Started by Clauster, 02-14-2011 10:08 PM
    • Replies: 6
    • Views: 1,689
    03-05-2011, 11:24 PM Go to last post
  27. Carrier 30GT-080 Chiller controls question

    Started by elvis66, 03-02-2011 05:59 PM
    • Replies: 3
    • Views: 2,106
    03-04-2011, 10:09 PM Go to last post
  28. Servicing R11 and R134a Machines

    Started by Catfly, 02-17-2011 12:36 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,667
    03-04-2011, 09:02 PM Go to last post
  29. Propylene or ethylene glycol?

    Started by hvac n-j-near, 11-30-2010 03:23 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,827
    03-03-2011, 10:33 PM Go to last post
  30. ICP 15 Ton Keeps blowing fuses

    Started by dagarair, 02-26-2011 11:50 AM
    • Replies: 9
    • Views: 1,795
    03-03-2011, 10:20 PM Go to last post
  31. 3 phase Vs single phase package unit

    Started by gevans, 03-02-2011 04:34 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 5,859
    03-03-2011, 10:20 PM Go to last post
    • Replies: 1
    • Views: 638
    03-03-2011, 10:10 PM Go to last post
  32. heater contactor always closed

    Started by guysmilely, 01-27-2011 10:25 PM
    • Replies: 8
    • Views: 1,233
    03-03-2011, 08:33 PM Go to last post
  33. Removal of Copeland compressor sight glass

    Started by Joelfu27, 03-03-2011 12:55 PM
    • Replies: 4
    • Views: 2,477
    03-03-2011, 04:00 PM Go to last post
  34. Confused Subcooling- proper measurement

    Started by Mikeymoe, 03-01-2011 11:48 AM
    • Replies: 12
    • Views: 9,172
    03-03-2011, 01:02 PM Go to last post
  35. oem vs. remanufactured compressors

    Started by jabeu, 02-18-2011 11:21 PM
    • Replies: 9
    • Views: 1,891
    03-02-2011, 11:22 PM Go to last post
  36. Question Any Rack Tech Convert to Chiller Techs?

    Started by 94blowncobra, 03-02-2011 09:55 PM
    • Replies: 0
    • Views: 491
    03-02-2011, 09:55 PM Go to last post
  37. Hot leg

    Started by airdocc, 03-03-2009 09:01 PM
    5 Pages
    1 2 3 4 5
    • Replies: 56
    • Views: 6,019
    03-02-2011, 09:01 PM Go to last post
  38. Brushing Tubes

    Started by gary254, 05-21-2009 05:13 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,410
    03-02-2011, 04:46 PM Go to last post
  39. Ice in cooling tower

    Started by incontrol, 12-12-2010 06:05 PM
    • Replies: 10
    • Views: 2,777
    03-02-2011, 04:01 PM Go to last post
  40. Question Trane Model Question

    Started by coffee4me, 08-18-2006 09:10 AM
    • Replies: 3
    • Views: 4,611
    03-02-2011, 01:32 PM Go to last post
    • Replies: 3
    • Views: 985
    03-02-2011, 01:16 AM Go to last post
  41. cleaver brooks mcf 750 venting

    Started by james mo, 02-02-2011 08:36 PM
    • Replies: 1
    • Views: 1,363
    03-01-2011, 10:12 PM Go to last post
  42. Commercial Hot Water boiler leak

    Started by zeppy, 02-11-2011 11:11 PM
    • Replies: 4
    • Views: 1,175
    03-01-2011, 10:00 PM Go to last post
  43. Missing the Chiller Forum already!!

    Started by PortaChill, 03-01-2011 08:03 PM
    • Replies: 2
    • Views: 763
    03-01-2011, 09:33 PM Go to last post
  44. Raypak Hi Delta HHW Variable Primary

    Started by QrtrDmNklPny, 02-22-2011 01:53 AM
    • Replies: 3
    • Views: 1,082
    03-01-2011, 09:30 PM Go to last post
  45. Building owner needs suggestions

    Started by Vaayaduct, 02-22-2011 01:43 PM
    • Replies: 5
    • Views: 951
    03-01-2011, 09:21 PM Go to last post
  46. Steam boilers

    Started by HvAckid82, 02-23-2011 08:29 PM
    • Replies: 4
    • Views: 932
    03-01-2011, 09:14 PM Go to last post
  47. 3 Pipe Unit Ventilators

    Started by MHall, 01-09-2011 03:10 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,251
    03-01-2011, 07:27 PM Go to last post
  48. solaronics radiant heaters

    Started by iceage, 03-01-2011 05:50 PM
    • Replies: 2
    • Views: 1,004
    03-01-2011, 07:10 PM Go to last post

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