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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: 12,145
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,431
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Thermostat question

    Started by spyder24, 07-22-2011 10:52 PM
    • Replies: 3
    • Views: 959
    07-23-2011, 09:38 AM Go to last post
  3. Copeland 6D oil Pressure Problems

    Started by basprofessional, 07-22-2011 12:02 AM
    • Replies: 5
    • Views: 1,311
    07-23-2011, 01:46 AM Go to last post
  4. 45 elbows in suction line

    Started by Ray D, 07-17-2011 02:12 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 4,505
    07-23-2011, 12:37 AM Go to last post
  5. trane water to water heatpump

    Started by ccccman, 07-21-2011 05:25 PM
    • Replies: 5
    • Views: 1,204
    07-22-2011, 07:12 PM Go to last post
  6. Commercial rooftop unit economizers

    Started by arniehvac, 07-22-2011 12:29 PM
    economizer, rooftop unit
    • Replies: 1
    • Views: 1,218
    07-22-2011, 04:11 PM Go to last post
  7. Hmm Trane Voyager

    Started by boyles41, 07-22-2011 07:50 AM
    • Replies: 1
    • Views: 883
    07-22-2011, 03:43 PM Go to last post
  8. Damp/musty smell from supply air???

    Started by AMick_HVAC, 07-09-2011 01:26 PM
    • Replies: 8
    • Views: 2,218
    07-21-2011, 09:22 PM Go to last post
  9. Will preheating air before cooling coil lower humidity

    Started by newguyal, 07-21-2010 05:21 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 74
    • Views: 19,827
    07-21-2011, 08:27 PM Go to last post
  10. Anyone work for Cimco Refrigeration ?

    Started by CumulusMech, 02-03-2010 09:51 PM
    • Replies: 2
    • Views: 1,662
    07-21-2011, 07:03 PM Go to last post
  11. R11 Chiller replacement question

    Started by hw chiller man, 08-10-2004 10:37 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 5,345
    07-21-2011, 03:40 PM Go to last post
  12. Mcquay RPS help needed

    Started by acjourneyman, 07-21-2011 02:54 PM
    • Replies: 0
    • Views: 768
    07-21-2011, 02:54 PM Go to last post
  13. Balance valve on WSHP

    Started by matt8085, 09-29-2006 06:39 AM
    • Replies: 8
    • Views: 3,531
    07-21-2011, 12:35 PM Go to last post
  14. where to start when you dont have schematic

    Started by pdiaz33, 07-19-2011 10:26 PM
    • Replies: 7
    • Views: 1,228
    07-20-2011, 08:48 PM Go to last post
  15. Question flex in open to structure

    Started by darrin, 06-27-2011 07:55 AM
    • Replies: 12
    • Views: 1,642
    07-20-2011, 08:44 PM Go to last post
  16. Confused Preheat Coil Leaking

    Started by hvactech80, 07-20-2011 07:44 PM
    • Replies: 0
    • Views: 633
    07-20-2011, 07:44 PM Go to last post
  17. york chiller

    Started by t2, 07-20-2011 06:12 PM
    • Replies: 0
    • Views: 666
    07-20-2011, 06:12 PM Go to last post
  18. heating air beefore cooling

    Started by coolright, 06-29-2011 05:12 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,296
    07-20-2011, 04:02 PM Go to last post
  19. condenser fan spinning the correct way but sucking air

    Started by pdiaz33, 07-12-2011 08:49 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,978
    07-20-2011, 12:44 PM Go to last post
  20. Torque values on York Z style compressor

    Started by rleo49, 07-20-2011 08:54 AM
    • Replies: 1
    • Views: 759
    07-20-2011, 10:41 AM Go to last post
  21. Frozen Dampers

    Started by TAC Service, 07-19-2011 11:43 PM
    • Replies: 1
    • Views: 627
    07-20-2011, 07:54 AM Go to last post
  22. carrier 30gb100550

    Started by t2, 07-19-2011 09:58 PM
    • Replies: 1
    • Views: 615
    07-20-2011, 07:36 AM Go to last post
  23. Tandom Compressor Common Suction lines

    Started by troublshooter, 07-18-2011 09:14 PM
    • Replies: 6
    • Views: 958
    07-20-2011, 12:11 AM Go to last post
  24. Bryant package unit recirculating condenser air

    Started by jkcool, 07-19-2011 10:48 PM
    • Replies: 1
    • Views: 879
    07-19-2011, 11:04 PM Go to last post
    • Replies: 0
    • Views: 1,001
    07-19-2011, 09:27 PM Go to last post
  25. York YK seal oil usage

    Started by hvac n-j-near, 07-19-2011 02:21 PM
    • Replies: 1
    • Views: 668
    07-19-2011, 09:20 PM Go to last post
  26. mcquay wshp

    Started by hvac17011, 07-19-2011 05:58 PM
    • Replies: 2
    • Views: 1,230
    07-19-2011, 08:35 PM Go to last post
  27. Coil Cleaning

    Started by FILTER MAN, 07-19-2011 06:13 PM
    • Replies: 1
    • Views: 719
    07-19-2011, 07:19 PM Go to last post
  28. Carrier A163 alarm

    Started by tb7wc0, 07-19-2011 03:11 PM
    • Replies: 0
    • Views: 1,283
    07-19-2011, 03:11 PM Go to last post
  29. A/C & Refrigeration Log Template

    Started by mdharris68, 07-19-2011 11:46 AM
    • Replies: 0
    • Views: 1,999
    07-19-2011, 11:46 AM Go to last post
  30. Seeing more system thefts

    Started by tmciver, 07-11-2011 03:34 PM
    • Replies: 6
    • Views: 1,739
    07-18-2011, 09:06 PM Go to last post
  31. Voyager 060 ?

    Started by Randa, 07-18-2011 06:27 PM
    • Replies: 5
    • Views: 726
    07-18-2011, 08:37 PM Go to last post
  32. Daikin condensate?

    Started by fitzyfitta, 07-18-2011 05:36 PM
    • Replies: 2
    • Views: 972
    07-18-2011, 08:22 PM Go to last post
  33. "Mammoth" Custom HVAC ?

    Started by TheCarnot, 07-15-2011 04:13 PM
    • Replies: 8
    • Views: 2,729
    07-18-2011, 08:16 PM Go to last post
  34. what main consideration when lifting roof top unit?

    Started by fyp, 07-16-2011 10:04 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,999
    07-18-2011, 12:48 PM Go to last post
  35. how RT package unit Economizer damper work?

    Started by cfe, 07-17-2011 08:28 PM
    • Replies: 0
    • Views: 887
    07-17-2011, 08:28 PM Go to last post
  36. Humidifier on ceiling leaking

    Started by cfe, 07-02-2011 05:47 PM
    • Replies: 5
    • Views: 2,101
    07-17-2011, 06:35 PM Go to last post
  37. Confused Indoor pool HVAC

    Started by TJP, 06-13-2011 01:42 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,587
    07-17-2011, 03:36 PM Go to last post
  38. Anyone Familiar W Carrier Split Nomenclature

    Started by ZeroCool, 07-17-2011 10:55 AM
    • Replies: 3
    • Views: 2,209
    07-17-2011, 02:46 PM Go to last post
  39. Commercial Kitchen A/C & Ventilation Issue

    Started by SandShark, 07-16-2011 05:55 PM
    • Replies: 5
    • Views: 4,537
    07-17-2011, 11:55 AM Go to last post
  40. Confused hvac commercial heat pump motor burned up

    Started by fcovine1, 07-16-2011 09:14 PM
    heat pump
    • Replies: 1
    • Views: 949
    07-17-2011, 11:16 AM Go to last post
  41. Are 060 Carrier RTU's "commercial HVAC"?

    Started by Poodle Head Mikey, 07-15-2011 01:20 PM
    • Replies: 5
    • Views: 1,027
    07-16-2011, 11:56 AM Go to last post
  42. how to maintain shaft seal?

    Started by cfe, 07-15-2011 01:04 AM
    • Replies: 7
    • Views: 1,802
    07-16-2011, 09:47 AM Go to last post
  43. Condenser Water Regulating Valve Location

    Started by shipwreck, 07-14-2011 08:20 AM
    • Replies: 4
    • Views: 2,287
    07-16-2011, 01:20 AM Go to last post
  44. Confused Carrier 30GXN255 chiller

    Started by randystoker, 06-22-2011 10:10 PM
    • Replies: 3
    • Views: 978
    07-15-2011, 11:45 PM Go to last post
  45. First compressor and drier change

    Started by Gorgoth, 07-11-2011 07:09 PM
    • Replies: 8
    • Views: 1,091
    07-15-2011, 10:21 PM Go to last post
  46. Desert Aire

    Started by milkyway, 07-12-2011 05:36 PM
    • Replies: 1
    • Views: 827
    07-15-2011, 10:19 PM Go to last post
  47. Confused B & G trippleduty valves

    Started by turbovac, 07-12-2011 05:07 PM
    • Replies: 4
    • Views: 813
    07-15-2011, 09:12 PM Go to last post
  48. Carrier Commercial Offices

    Started by chillerguru, 07-15-2011 04:47 PM
    • Replies: 1
    • Views: 709
    07-15-2011, 05:08 PM Go to last post
  49. Help on Birch egg cooler.

    Started by frostyac, 06-09-2011 07:05 PM
    • Replies: 2
    • Views: 1,681
    07-14-2011, 08:28 PM Go to last post
  50. carrier 30gt chiller exv

    Started by codgy, 07-12-2011 08:41 PM
    • Replies: 3
    • Views: 1,519
    07-14-2011, 05:55 PM Go to last post

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