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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: 9,612
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,394
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Hmm Discharge valve or TXV

    Started by scrmndmn, 06-17-2005 09:20 PM
    • Replies: 8
    • Views: 1,409
    06-18-2005, 03:35 PM Go to last post
  3. "ball" type subcooling indicator

    Started by mmmbuffalowings, 06-14-2005 08:59 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,164
    06-18-2005, 02:58 PM Go to last post
  4. two part question

    Started by green_apprentice, 06-16-2005 06:58 PM
    • Replies: 4
    • Views: 778
    06-17-2005, 12:03 PM Go to last post
  5. Carrier Chiller T142 error Code

    Started by charliefa, 06-16-2005 02:41 PM
    • Replies: 2
    • Views: 1,645
    06-16-2005, 10:18 PM Go to last post
  6. COPELANDS/MODEL NUMBERS?

    Started by unguidedrookie, 06-12-2005 01:24 AM
    • Replies: 6
    • Views: 1,021
    06-16-2005, 08:37 PM Go to last post
  7. piping a puron split

    Started by blue1111, 06-16-2005 07:04 PM
    • Replies: 1
    • Views: 722
    06-16-2005, 07:06 PM Go to last post
  8. roof top unit

    Started by lamb, 06-15-2005 04:25 PM
    • Replies: 6
    • Views: 1,187
    06-16-2005, 05:12 PM Go to last post
  9. Water balancing

    Started by steamfitter55, 06-15-2005 06:56 PM
    • Replies: 5
    • Views: 1,102
    06-16-2005, 01:41 PM Go to last post
  10. ranco cut in cut out

    Started by bradysliquor, 06-15-2005 06:51 AM
    • Replies: 2
    • Views: 1,466
    06-15-2005, 10:09 PM Go to last post
  11. York Screw Chiller amp issues

    Started by r404a, 06-13-2005 10:11 PM
    • Replies: 2
    • Views: 1,042
    06-15-2005, 09:37 PM Go to last post
  12. McQuay Water to air

    Started by r404a, 06-12-2005 11:37 PM
    • Replies: 3
    • Views: 915
    06-15-2005, 09:35 PM Go to last post
  13. 100 outdoor air units

    Started by hvac17011, 06-14-2005 09:10 PM
    • Replies: 4
    • Views: 1,129
    06-15-2005, 09:23 PM Go to last post
  14. Question nyc refrigeration

    Started by Engineerman, 06-14-2005 10:57 AM
    • Replies: 5
    • Views: 943
    06-15-2005, 10:47 AM Go to last post
  15. york seals

    Started by john f1, 06-09-2005 06:05 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,143
    06-15-2005, 09:48 AM Go to last post
  16. need to size AC for large Ind. bldg.

    Started by djmac, 06-14-2005 08:47 AM
    • Replies: 10
    • Views: 1,156
    06-15-2005, 12:49 AM Go to last post
  17. mineral deposit on evaporator

    Started by pwn01, 06-14-2005 03:50 PM
    • Replies: 3
    • Views: 916
    06-14-2005, 10:18 PM Go to last post
  18. Txv problem?

    Started by crazedhick3, 06-14-2005 08:47 PM
    • Replies: 1
    • Views: 806
    06-14-2005, 09:50 PM Go to last post
  19. Intellipak

    Started by rudy65, 05-14-2005 02:00 PM
    • Replies: 11
    • Views: 1,607
    06-14-2005, 08:40 PM Go to last post
  20. Arrow Evaporator Restriction

    Started by addison, 05-20-2005 07:23 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,589
    06-14-2005, 08:00 PM Go to last post
  21. Question condensing unit air discharge

    Started by mohvac75, 06-13-2005 09:26 AM
    • Replies: 4
    • Views: 3,065
    06-14-2005, 04:42 PM Go to last post
  22. Guages for Commercial work

    Started by tkl, 06-10-2005 03:21 PM
    • Replies: 12
    • Views: 1,687
    06-14-2005, 06:52 AM Go to last post
  23. Automotive Belts

    Started by rennsport, 06-14-2005 06:42 AM
    • Replies: 1
    • Views: 785
    06-14-2005, 06:50 AM Go to last post
  24. Gravity evaporator coils

    Started by Green Mountain, 06-13-2005 04:09 PM
    • Replies: 4
    • Views: 1,882
    06-13-2005, 10:31 PM Go to last post
  25. Confused COPELAND MODEL NOMENCLATURE

    Started by unguidedrookie, 06-12-2005 06:51 PM
    • Replies: 5
    • Views: 3,656
    06-13-2005, 09:15 PM Go to last post
  26. compressor internal bypass

    Started by mmmbuffalowings, 06-13-2005 08:34 PM
    • Replies: 1
    • Views: 1,604
    06-13-2005, 08:49 PM Go to last post
  27. AHU problems

    Started by eng78, 06-08-2005 08:18 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,558
    06-13-2005, 08:15 PM Go to last post
  28. Trane RTAA and RTCA

    Started by floodedstart, 06-02-2005 09:06 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,434
    06-13-2005, 06:57 PM Go to last post
  29. York water cooled unit

    Started by mark7, 06-12-2005 03:29 PM
    • Replies: 3
    • Views: 922
    06-13-2005, 05:36 PM Go to last post
  30. Question Cartridge filter recycling

    Started by histriumph, 06-13-2005 03:14 PM
    • Replies: 0
    • Views: 892
    06-13-2005, 03:14 PM Go to last post
  31. Load shedding

    Started by pwn01, 06-13-2005 09:14 AM
    • Replies: 1
    • Views: 826
    06-13-2005, 02:10 PM Go to last post
  32. Palm software HVAC

    Started by jbingo, 06-07-2005 05:49 AM
    • Replies: 2
    • Views: 920
    06-13-2005, 05:26 AM Go to last post
    • Replies: 3
    • Views: 721
    06-13-2005, 12:34 AM Go to last post
  33. Cool New Trends in AirFilters

    Started by deemac, 06-08-2005 09:49 PM
    • Replies: 8
    • Views: 1,093
    06-12-2005, 11:32 PM Go to last post
  34. Spot cooler safe for building?

    Started by miket, 06-10-2005 10:25 AM
    • Replies: 10
    • Views: 1,628
    06-12-2005, 10:49 PM Go to last post
  35. Confused HEPA's, CFM, and Static Pressures

    Started by itchulation, 06-12-2005 09:42 PM
    • Replies: 1
    • Views: 909
    06-12-2005, 10:15 PM Go to last post
    • Replies: 3
    • Views: 793
    06-12-2005, 05:23 PM Go to last post
  36. Comp Cross Ref

    Started by 787 Guy, 06-11-2005 11:35 AM
    • Replies: 2
    • Views: 858
    06-12-2005, 11:44 AM Go to last post
  37. In-house versus Outsourcing

    Started by cluelessdude, 06-07-2005 05:39 PM
    • Replies: 3
    • Views: 961
    06-12-2005, 06:18 AM Go to last post
  38. Exclamation Questions about flexible duct

    Started by wyblueheart, 06-10-2005 08:50 AM
    • Replies: 8
    • Views: 1,323
    06-12-2005, 01:05 AM Go to last post
  39. Old Trane chiller info

    Started by incontrol, 05-30-2005 10:58 PM
    • Replies: 5
    • Views: 3,244
    06-11-2005, 11:16 PM Go to last post
  40. Hmm Service Call Trane 7.5 ton Precedent Unit

    Started by roc service, 06-11-2005 08:37 AM
    • Replies: 2
    • Views: 1,248
    06-11-2005, 09:39 PM Go to last post
  41. Confused 7.5 TON ROOF TOP GAS/AC SUN BEAM

    Started by deanoac, 06-11-2005 01:26 PM
    • Replies: 4
    • Views: 1,131
    06-11-2005, 09:13 PM Go to last post
  42. ref. oil question

    Started by brentplumb, 05-02-2005 11:35 AM
    • Replies: 4
    • Views: 889
    06-11-2005, 04:59 PM Go to last post
  43. Carrier 19XL Chiller

    Started by blackdoggie, 06-09-2005 04:23 PM
    • Replies: 6
    • Views: 2,899
    06-11-2005, 01:37 PM Go to last post
  44. What kind of AC is this?

    Started by cluemeplz, 06-09-2005 04:17 PM
    • Replies: 6
    • Views: 2,361
    06-11-2005, 07:16 AM Go to last post
  45. Crankcase Heater for 50 ton Trane Unit

    Started by johnstonesupplyguy, 06-09-2005 06:20 PM
    • Replies: 6
    • Views: 2,495
    06-10-2005, 10:33 PM Go to last post
  46. New Guy

    Started by ultratec, 06-10-2005 07:03 PM
    • Replies: 4
    • Views: 851
    06-10-2005, 07:21 PM Go to last post
  47. help with york unit

    Started by sfry, 06-08-2005 02:52 PM
    • Replies: 4
    • Views: 2,005
    06-10-2005, 06:39 PM Go to last post
  48. air exchanger

    Started by interior, 06-10-2005 06:38 AM
    • Replies: 1
    • Views: 888
    06-10-2005, 10:39 AM Go to last post
  49. Hmm Ever break the cheap ass diff ftg off an unoader?

    Started by Diceman, 06-08-2005 09:10 PM
    • Replies: 6
    • Views: 970
    06-09-2005, 10:58 PM Go to last post

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