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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: 9,749
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,490
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. problems with toshiba tower fan controller

    Started by hudoff, 03-29-2011 09:49 AM
    • Replies: 5
    • Views: 1,172
    04-10-2011, 08:31 AM Go to last post
  3. York RTU Question

    Started by The Reaper, 04-05-2011 02:16 PM
    • Replies: 10
    • Views: 1,686
    04-10-2011, 07:16 AM Go to last post
  4. Liebert info needed

    Started by epacertified, 03-19-2011 08:48 AM
    • Replies: 5
    • Views: 1,134
    04-09-2011, 12:33 PM Go to last post
  5. Ancient RTU replacement - trane to lennox?

    Started by stebs, 04-06-2011 11:28 PM
    • Replies: 8
    • Views: 2,489
    04-08-2011, 08:44 PM Go to last post
  6. Trane rooftop

    Started by brztech, 04-08-2011 06:45 PM
    • Replies: 1
    • Views: 741
    04-08-2011, 08:32 PM Go to last post
  7. Question Txv power head

    Started by CONTROLMANIAC, 04-08-2011 12:34 AM
    • Replies: 4
    • Views: 5,498
    04-08-2011, 07:33 PM Go to last post
  8. Lightbulb YHC09 wiring diagrams

    Started by cx agent, 04-08-2011 02:46 PM
    • Replies: 0
    • Views: 585
    04-08-2011, 02:46 PM Go to last post
  9. Glycol leaked into Liebert A/C system

    Started by acrefrig, 04-01-2011 02:18 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,044
    04-08-2011, 12:46 PM Go to last post
  10. Reznor RDDA-3. Circuit board failures

    Started by toptech, 04-08-2011 10:21 AM
    • Replies: 0
    • Views: 1,053
    04-08-2011, 10:21 AM Go to last post
  11. Carrier 30hxc alarm reset

    Started by Truck43, 03-24-2011 08:23 AM
    • Replies: 3
    • Views: 2,268
    04-08-2011, 09:14 AM Go to last post
  12. Pneumatics

    Started by iceage, 04-05-2011 10:01 PM
    • Replies: 12
    • Views: 1,095
    04-08-2011, 07:20 AM Go to last post
  13. Question Inline duct heat

    Started by refer_tech, 04-07-2011 09:39 AM
    • Replies: 3
    • Views: 729
    04-07-2011, 08:35 PM Go to last post
  14. Cooling Tower Effluent

    Started by madhat, 04-06-2011 02:26 PM
    • Replies: 5
    • Views: 1,572
    04-07-2011, 06:57 PM Go to last post
  15. York YKACA IOM needed

    Started by chadtech, 04-07-2011 09:53 AM
    • Replies: 0
    • Views: 744
    04-07-2011, 09:53 AM Go to last post
  16. Trane Unit Heater

    Started by galaxie428, 04-05-2011 01:14 PM
    • Replies: 7
    • Views: 2,159
    04-07-2011, 07:29 AM Go to last post
  17. Designing HVAC System for a Jail

    Started by lucywinks, 01-24-2011 01:59 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 5,116
    04-07-2011, 12:19 AM Go to last post
  18. Voyager wiring diagram

    Started by Mikeymoe, 03-18-2011 01:37 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,938
    04-06-2011, 10:25 PM Go to last post
  19. Confused Problem W/ Carrier Water Cooled Heat Pump

    Started by Joelfu27, 04-06-2011 09:23 AM
    • Replies: 8
    • Views: 1,503
    04-06-2011, 09:59 PM Go to last post
  20. york relay board

    Started by iceage, 04-05-2011 09:51 PM
    • Replies: 6
    • Views: 1,875
    04-06-2011, 09:00 PM Go to last post
  21. Boiler Issues

    Started by fazerman, 04-05-2011 01:46 PM
    • Replies: 8
    • Views: 1,208
    04-06-2011, 06:05 PM Go to last post
  22. Need specs on blanchard-ness RTU

    Started by gescanada, 04-06-2011 02:48 PM
    • Replies: 0
    • Views: 696
    04-06-2011, 02:48 PM Go to last post
  23. Pool Paks and belt life

    Started by baitcaster, 04-03-2011 10:13 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,764
    04-06-2011, 01:46 AM Go to last post
  24. Twisting refr. line connections before brazing

    Started by lenb, 04-03-2011 01:17 PM
    • Replies: 7
    • Views: 1,048
    04-05-2011, 11:16 PM Go to last post
  25. Commercial hot water boiler tank - sediment accumulation

    Started by zeppy, 02-23-2011 02:18 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 4,097
    04-05-2011, 07:17 PM Go to last post
  26. "industry standard" for a/filter changes?

    Started by Mikeylikesit, 03-29-2011 02:00 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,452
    04-05-2011, 02:06 PM Go to last post
  27. Bohn Chiller information

    Started by rhnm, 04-05-2011 09:41 AM
    • Replies: 0
    • Views: 1,411
    04-05-2011, 09:41 AM Go to last post
  28. to flush or no to flush ?

    Started by hvacpope, 04-04-2011 07:19 PM
    • Replies: 7
    • Views: 845
    04-05-2011, 12:14 AM Go to last post
  29. Return Air Noise

    Started by civilgeek, 04-01-2011 02:41 PM
    • Replies: 5
    • Views: 2,252
    04-04-2011, 09:10 PM Go to last post
  30. Lost billable hours spent sourcing parts?

    Started by marketresearch, 02-12-2011 05:50 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,421
    04-04-2011, 08:03 PM Go to last post
  31. a/c feed

    Started by evan88, 04-01-2011 05:16 PM
    • Replies: 11
    • Views: 1,371
    04-03-2011, 10:05 PM Go to last post
  32. Confused Over amping compressor.

    Started by Aquarious, 04-01-2011 09:08 PM
    • Replies: 12
    • Views: 4,289
    04-03-2011, 07:50 PM Go to last post
  33. EDPAC

    Started by frio, 04-03-2011 12:57 AM
    • Replies: 6
    • Views: 1,619
    04-03-2011, 01:24 PM Go to last post
  34. Trane Intellipak

    Started by clone28, 03-24-2011 07:38 PM
    • Replies: 9
    • Views: 2,177
    04-03-2011, 11:44 AM Go to last post
  35. Penn Water regulating valve

    Started by Tommy1010, 03-31-2011 06:48 PM
    • Replies: 9
    • Views: 2,562
    04-02-2011, 08:46 PM Go to last post
  36. UA Star Cert./Washtenaw C.C.

    Started by dudeabides, 04-02-2011 05:38 PM
    • Replies: 2
    • Views: 683
    04-02-2011, 07:29 PM Go to last post
  37. Replacing reciprocating compressors with scroll?

    Started by nexsen, 03-31-2011 04:10 PM
    • Replies: 12
    • Views: 6,934
    04-02-2011, 12:29 PM Go to last post
  38. Old chiller.

    Started by MacD, 04-01-2011 10:11 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,009
    04-02-2011, 11:05 AM Go to last post
  39. Mitsubishi outside air lockout

    Started by luhovick, 03-24-2011 11:31 AM
    • Replies: 4
    • Views: 1,210
    04-01-2011, 12:49 PM Go to last post
  40. Florida Heat Pump Info

    Started by stuckagain, 04-01-2011 11:52 AM
    • Replies: 1
    • Views: 1,033
    04-01-2011, 12:10 PM Go to last post
  41. climatrol package unit

    Started by mrdhvac, 04-01-2011 12:53 AM
    • Replies: 1
    • Views: 1,596
    04-01-2011, 06:15 AM Go to last post
  42. Eddy Current? :confused:

    Started by huckleberryjay, 03-04-2011 11:16 AM
    • Replies: 8
    • Views: 1,628
    04-01-2011, 12:36 AM Go to last post
  43. Recirculating Direct Fired Heaters

    Started by goodwrench1, 03-31-2011 06:37 PM
    • Replies: 0
    • Views: 913
    03-31-2011, 06:37 PM Go to last post
  44. Greasing motors

    Started by dudeabides, 03-10-2011 09:52 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,576
    03-30-2011, 11:49 PM Go to last post
  45. Data Aire Problems

    Started by kanodogg, 03-25-2011 08:01 PM
    • Replies: 4
    • Views: 3,305
    03-30-2011, 09:14 PM Go to last post
  46. 100% fresh air handling units

    Started by chief79, 03-30-2011 11:43 AM
    • Replies: 5
    • Views: 2,995
    03-30-2011, 06:47 PM Go to last post
  47. Question copeland compressor info. mo# zr19m3-twd-522

    Started by kikoe, 05-11-2007 05:49 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 8,956
    03-30-2011, 05:01 PM Go to last post
    • Replies: 4
    • Views: 1,265
    03-30-2011, 08:00 AM Go to last post
  48. Trane 3D Scroll question

    Started by Bryandchurch, 03-29-2011 04:22 PM
    • Replies: 4
    • Views: 1,580
    03-30-2011, 07:49 AM Go to last post
  49. Confused Refrigerant- IMC Degree of Hazard

    Started by eyeseeitall, 03-29-2011 04:57 PM
    • Replies: 2
    • Views: 696
    03-29-2011, 06:24 PM Go to last post
  50. Hmm rheem 5 ton packaged h/c unit

    Started by silver, 03-29-2011 01:18 PM
    • Replies: 0
    • Views: 550
    03-29-2011, 01:18 PM Go to last post

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