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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: 9,461
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,266
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. R-22 Unit Replacement

    Started by TAC Service, 08-19-2010 01:52 PM
    • Replies: 6
    • Views: 1,424
    08-19-2010, 10:37 PM Go to last post
  3. Heating cost

    Started by amustafa, 08-19-2010 11:28 AM
    • Replies: 1
    • Views: 696
    08-19-2010, 10:02 PM Go to last post
  4. Programable THrmst in Nursing home

    Started by gyuri1, 08-04-2010 11:14 AM
    • Replies: 10
    • Views: 992
    08-19-2010, 01:03 PM Go to last post
  5. 15 ton

    Started by jhamp41, 08-17-2010 11:52 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,006
    08-19-2010, 12:08 AM Go to last post
  6. 25 Ton Trane Intellipak

    Started by ColdairGuy, 06-23-2010 11:49 PM
    • Replies: 9
    • Views: 3,170
    08-18-2010, 02:55 PM Go to last post
  7. Rtha Iom

    Started by duke of earl, 04-10-2008 10:26 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,096
    08-18-2010, 09:17 AM Go to last post
  8. daiken rxyq96

    Started by aircent1, 08-13-2010 03:54 AM
    • Replies: 3
    • Views: 1,070
    08-18-2010, 02:45 AM Go to last post
  9. Trane RTU not keeping up.

    Started by hevychevyjeff, 08-12-2010 08:58 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,124
    08-18-2010, 02:05 AM Go to last post
  10. Venstar t'stats

    Started by JWB, 08-17-2010 08:27 PM
    • Replies: 0
    • Views: 824
    08-17-2010, 08:27 PM Go to last post
  11. PTC Heater Size

    Started by jurban10, 08-17-2010 09:38 AM
    • Replies: 0
    • Views: 532
    08-17-2010, 09:38 AM Go to last post
  12. drive no likey power outage !

    Started by mesahvac, 08-13-2010 01:44 AM
    • Replies: 6
    • Views: 1,043
    08-17-2010, 07:52 AM Go to last post
  13. climatemaster wshp keeps shutting off

    Started by Free wheel, 07-13-2010 10:37 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,935
    08-17-2010, 01:21 AM Go to last post
  14. Frown Sherman Stalker From Instrumetrix

    Started by JKD, 08-07-2010 01:15 PM
    • Replies: 6
    • Views: 1,287
    08-16-2010, 07:54 PM Go to last post
  15. Disconnecting Makeup Air unit from Exhaust hood

    Started by zeppy, 08-15-2010 09:49 PM
    • Replies: 5
    • Views: 1,790
    08-16-2010, 07:46 PM Go to last post
  16. Frown Sweating Ductwork

    Started by nuclear rabbit, 08-12-2010 10:12 AM
    • Replies: 8
    • Views: 2,264
    08-16-2010, 10:35 AM Go to last post
  17. Confused Blowing doors open

    Started by axe05, 08-09-2010 04:48 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,568
    08-16-2010, 10:32 AM Go to last post
  18. OLD BDP/CARRIER DRAIN PAN?

    Started by dave1234, 08-12-2010 11:00 PM
    • Replies: 2
    • Views: 1,135
    08-16-2010, 09:58 AM Go to last post
  19. Confused metasys dx9100

    Started by mccann, 08-09-2010 04:42 PM
    • Replies: 7
    • Views: 2,557
    08-16-2010, 07:52 AM Go to last post
  20. trane intellipac

    Started by jeepfrk9, 08-10-2010 09:42 PM
    • Replies: 12
    • Views: 1,995
    08-15-2010, 09:02 PM Go to last post
  21. High side fluttering on Keepright Rooftop A/C

    Started by carwel, 08-14-2010 11:08 PM
    • Replies: 5
    • Views: 2,216
    08-15-2010, 08:17 PM Go to last post
  22. Confused Cleaning dense vvap coils

    Started by mike1962, 08-14-2010 05:09 PM
    • Replies: 5
    • Views: 889
    08-15-2010, 07:43 PM Go to last post
  23. Purpose of the Winter Start Control

    Started by pnw_tech, 08-14-2010 02:39 PM
    • Replies: 9
    • Views: 1,924
    08-15-2010, 01:09 PM Go to last post
  24. Question RTWA Fault question

    Started by LightGuy48, 08-11-2010 12:22 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,667
    08-15-2010, 12:53 PM Go to last post
  25. ITP

    Started by hvacr, 08-14-2010 11:42 AM
    • Replies: 0
    • Views: 1,353
    08-14-2010, 11:42 AM Go to last post
  26. Confused Aaon 4 Ton No sub cool

    Started by Nowareazy, 08-09-2010 11:11 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,932
    08-14-2010, 12:00 AM Go to last post
  27. trane 40 ton rooftop static pressure problem

    Started by hvac17011, 08-12-2010 02:34 PM
    • Replies: 4
    • Views: 1,284
    08-13-2010, 03:51 AM Go to last post
  28. 10 ton rtu freezing up

    Started by hevychevyjeff, 08-12-2010 10:58 PM
    • Replies: 0
    • Views: 898
    08-12-2010, 10:58 PM Go to last post
  29. Carrier still selling PTACs?

    Started by BaldLoonie, 08-09-2010 06:07 PM
    • Replies: 2
    • Views: 822
    08-12-2010, 07:56 PM Go to last post
  30. Carrier line set question Puron

    Started by caddy, 08-09-2010 10:41 PM
    • Replies: 4
    • Views: 1,031
    08-12-2010, 06:28 PM Go to last post
  31. need help to determine tonnage on a RUDD

    Started by meoff, 08-06-2010 07:32 PM
    • Replies: 5
    • Views: 1,224
    08-12-2010, 03:11 PM Go to last post
  32. BTUH/CFM calculation disconnect?

    Started by Kuldeep24, 06-27-2010 11:43 PM
    • Replies: 4
    • Views: 5,001
    08-12-2010, 07:20 AM Go to last post
  33. Indoor Gun Ranges

    Started by justplainredd, 03-24-2010 04:08 PM
    • Replies: 9
    • Views: 4,270
    08-12-2010, 07:04 AM Go to last post
  34. Insulation location

    Started by nvr2old, 07-29-2010 12:32 PM
    • Replies: 1
    • Views: 643
    08-12-2010, 06:42 AM Go to last post
  35. Exclamation carrier 15ton split 6D compressor

    Started by carman, 08-06-2010 09:29 PM
    • Replies: 7
    • Views: 2,222
    08-11-2010, 10:14 PM Go to last post
  36. Mitsubishi Heat recorery systems

    Started by Catpower, 08-11-2010 03:16 PM
    • Replies: 1
    • Views: 613
    08-11-2010, 10:10 PM Go to last post
  37. Trane Precedent TSC120 Evap/Orifice Restriction?

    Started by lihvac54, 08-05-2010 06:27 PM
    • Replies: 6
    • Views: 3,269
    08-11-2010, 09:27 PM Go to last post
  38. Anybody working "in-house" for the hi-rise building?

    Started by sigma, 08-11-2010 07:40 PM
    • Replies: 1
    • Views: 553
    08-11-2010, 08:55 PM Go to last post
  39. fan belt

    Started by nvr2old, 07-26-2010 08:05 AM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 7,351
    08-11-2010, 06:03 PM Go to last post
  40. Post equation

    Started by hyder_khan74, 02-04-2007 04:10 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,122
    08-11-2010, 04:38 PM Go to last post
  41. Trane Rooftop troubleshooting

    Started by braveheart51, 08-06-2010 11:53 AM
    • Replies: 7
    • Views: 3,638
    08-10-2010, 09:37 PM Go to last post
  42. Carrier 48PD Digital Scroll VFD Rooftop Units

    Started by larrydfw, 08-10-2010 11:09 AM
    • Replies: 3
    • Views: 1,261
    08-10-2010, 05:56 PM Go to last post
  43. Register with changable filter?

    Started by mdm0001, 07-28-2010 10:04 AM
    • Replies: 2
    • Views: 681
    08-10-2010, 11:09 AM Go to last post
  44. Question on district cooling

    Started by rootserv, 08-10-2010 04:16 AM
    • Replies: 1
    • Views: 572
    08-10-2010, 10:19 AM Go to last post
  45. Air Cooled radiators anyone hear about it

    Started by rootserv, 08-10-2010 04:12 AM
    • Replies: 0
    • Views: 501
    08-10-2010, 04:12 AM Go to last post
  46. Capacitor Epidemic

    Started by chiller mekanik, 08-07-2010 02:37 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,326
    08-09-2010, 11:43 PM Go to last post
  47. Question Exhaust Fan Damper Interlock Control Question

    Started by mamcdoug, 08-05-2010 02:02 PM
    • Replies: 12
    • Views: 12,032
    08-09-2010, 10:28 PM Go to last post
  48. Raypak MVB boiler Problems

    Started by sfreshvac, 08-09-2010 04:37 PM
    • Replies: 0
    • Views: 2,513
    08-09-2010, 04:37 PM Go to last post
  49. Low delta T

    Started by FLASH7, 04-19-2008 11:52 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 7,541
    08-09-2010, 12:23 PM Go to last post
  50. Aaon RN 7.5 ton RTU with VFD

    Started by larrydfw, 08-06-2010 05:52 PM
    • Replies: 5
    • Views: 2,381
    08-09-2010, 12:10 PM Go to last post
  51. super high pressure on rooftop unit

    Started by jay729, 08-02-2010 03:42 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,488
    08-08-2010, 04:24 PM Go to last post

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