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Forum: Tech to Tech Chat - Commercial

FOR TECHNICAL CHAT BETWEEN INDUSTRY WORKERS ONLY. NO AOP OR DIY** This forum is for Technical Chat in the Commercial Industry and only within the limits of the Open area Rules concerning DIY. Any technical chat that goes too far will be removed or moved to the Pro Area.

  1. Sticky Thread Sticky Threads

  2. Sticky Thread NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 8,018
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. A/C renew

    Started by rhumbard, 10-25-2014 12:40 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,891
    11-01-2014, 10:31 PM Go to last post
  3. Water source heat pump high head pressure

    Started by PolarBearAir, 09-16-2011 09:57 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 12,595
    11-01-2014, 09:13 AM Go to last post
  4. SWUD UCP-1 manual

    Started by Hamiltime, 07-20-2014 07:35 PM
    • Replies: 2
    • Views: 884
    10-31-2014, 04:39 PM Go to last post
  5. full sight glass, still low on freon?

    Started by primmers, 09-20-2014 04:42 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 5,768
    10-30-2014, 12:34 PM Go to last post
  6. Trane Intellipak 30 ton with ungodly humidity in building

    Started by Chozn1, 10-27-2014 10:15 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,303
    10-29-2014, 11:00 PM Go to last post
  7. Aaon unit

    Started by gravity, 10-20-2014 08:15 PM
    • Replies: 10
    • Views: 1,963
    10-29-2014, 09:29 PM Go to last post
  8. Confused Trane UCM 4.2 comm4 how to change to comm3

    Started by jasonhughes, 10-29-2014 03:50 PM
    • Replies: 0
    • Views: 452
    10-29-2014, 03:50 PM Go to last post
  9. Trane Voyager/ Reliatel Draft motors staying on?

    Started by obieone, 10-28-2014 07:57 AM
    • Replies: 5
    • Views: 866
    10-29-2014, 07:01 AM Go to last post
  10. line cooler temp controlling

    Started by warhog61, 10-28-2014 05:28 PM
    • Replies: 4
    • Views: 572
    10-29-2014, 12:18 AM Go to last post
  11. Walk in Cooler Trouble R-409a

    Started by Bram_ltd, 10-24-2014 11:37 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,973
    10-28-2014, 10:31 PM Go to last post
  12. Outside air/ hydronic heating

    Started by cmechtech, 10-22-2014 05:04 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,492
    10-28-2014, 06:32 PM Go to last post
    • Replies: 6
    • Views: 1,182
    10-28-2014, 02:46 PM Go to last post
  13. Free Heating

    Started by BBeerme, 10-25-2014 03:57 PM
    • Replies: 8
    • Views: 1,682
    10-28-2014, 07:36 AM Go to last post
  14. 40+year Building.

    Started by fridg, 09-25-2014 05:10 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 3,625
    10-26-2014, 11:22 PM Go to last post
    • Replies: 16
    • Views: 1,538
    10-26-2014, 05:21 PM Go to last post
  15. Lennox RTU Pilot Re-ignitor 240v problem

    Started by Bram_ltd, 10-23-2014 12:47 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,796
    10-25-2014, 02:13 PM Go to last post
  16. ALC tool

    Started by ArunPandiyan, 10-24-2014 05:20 AM
    • Replies: 2
    • Views: 604
    10-24-2014, 08:44 AM Go to last post
  17. Leaky receiver

    Started by Mihvactech, 09-09-2014 08:07 PM
    • Replies: 10
    • Views: 1,498
    10-23-2014, 09:45 PM Go to last post
  18. economite conversion burner sighting

    Started by burto, 10-22-2014 04:45 PM
    • Replies: 4
    • Views: 527
    10-23-2014, 09:13 PM Go to last post
  19. air dryer ?

    Started by newbe0507, 10-23-2014 06:30 PM
    • Replies: 2
    • Views: 599
    10-23-2014, 07:08 PM Go to last post
  20. TRANSFORMATIVE WAVE

    Started by HvAckid82, 09-10-2013 08:56 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 5,862
    10-23-2014, 01:09 PM Go to last post
  21. UV-C 24 Volt units for PTEC

    Started by STANVOL, 10-22-2014 11:08 PM
    • Replies: 0
    • Views: 450
    10-22-2014, 11:08 PM Go to last post
  22. School District Univents

    Started by hudson73, 10-07-2014 10:13 AM
    • Replies: 1
    • Views: 796
    10-22-2014, 06:29 PM Go to last post
  23. heat pump relay

    Started by btglow2894, 10-14-2014 10:27 AM
    • Replies: 8
    • Views: 1,258
    10-21-2014, 09:32 PM Go to last post
  24. Combustion analysis in the supermarket world

    Started by mjm88, 10-10-2014 10:45 PM
    • Replies: 8
    • Views: 963
    10-21-2014, 07:58 AM Go to last post
    • Replies: 4
    • Views: 546
    10-20-2014, 11:27 PM Go to last post
  25. Different RPM?

    Started by Timsname, 10-15-2014 08:04 PM
    • Replies: 12
    • Views: 1,497
    10-20-2014, 09:51 PM Go to last post
  26. oil in evaporator

    Started by Chubaca, 10-16-2014 05:00 PM
    • Replies: 6
    • Views: 866
    10-20-2014, 09:41 PM Go to last post
  27. 2b108 belts proper pulley

    Started by hvac17011, 10-17-2014 09:12 PM
    • Replies: 9
    • Views: 1,123
    10-20-2014, 09:33 PM Go to last post
  28. CO2 Purge for brazing?

    Started by dprimrose, 08-18-2009 10:19 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 109
    • Views: 19,350
    10-20-2014, 06:02 PM Go to last post
  29. Boiler book recommendation needed please

    Started by alikair, 10-18-2014 10:09 AM
    • Replies: 0
    • Views: 512
    10-18-2014, 10:09 AM Go to last post
  30. Condensate dripping off coil....

    Started by thirdcoast361, 09-04-2014 08:36 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 4,494
    10-17-2014, 05:55 PM Go to last post
  31. Software to Calc Racks

    Started by alexmbtkl, 10-17-2014 11:42 AM
    • Replies: 0
    • Views: 384
    10-17-2014, 11:42 AM Go to last post
  32. cap tube to txv link needed..

    Started by primmers, 10-15-2014 10:49 PM
    • Replies: 12
    • Views: 1,188
    10-16-2014, 10:08 PM Go to last post
  33. trane voyager rtu dehumidification question

    Started by heatman91, 10-16-2014 07:38 PM
    • Replies: 1
    • Views: 433
    10-16-2014, 09:36 PM Go to last post
  34. Fulton pulse boilers

    Started by Luke84, 03-12-2012 06:04 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 5,388
    10-16-2014, 04:44 PM Go to last post
  35. Lennox gcs24-813

    Started by Magoo83, 10-15-2014 02:54 PM
    • Replies: 5
    • Views: 877
    10-16-2014, 10:26 AM Go to last post
  36. Ice Machine backflow preventer

    Started by acman17, 10-08-2014 11:04 PM
    • Replies: 3
    • Views: 1,754
    10-16-2014, 03:27 AM Go to last post
  37. This is why Preventive Maintenance is a waste of money.

    Started by Mike19, 08-21-2014 12:16 AM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 9,327
    10-15-2014, 10:52 PM Go to last post
  38. Condensate drain pan

    Started by sirweldalot, 09-19-2014 06:27 PM
    • Replies: 2
    • Views: 749
    10-15-2014, 07:02 PM Go to last post
  39. Bard 3.5 ton wall hung

    Started by biggi, 09-18-2014 10:53 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,336
    10-15-2014, 06:59 PM Go to last post
  40. R-12 Manifold

    Started by JohnTinaEsparza, 10-12-2014 09:49 PM
    • Replies: 12
    • Views: 1,506
    10-14-2014, 05:36 PM Go to last post
  41. York service manual

    Started by rhumbard, 10-12-2014 08:49 PM
    • Replies: 11
    • Views: 1,756
    10-13-2014, 07:06 PM Go to last post
    • Replies: 2
    • Views: 522
    10-12-2014, 03:39 PM Go to last post
  42. Start up on CVHE Trane Chiller

    Started by bobbystew64, 10-10-2014 11:29 PM
    • Replies: 6
    • Views: 972
    10-11-2014, 10:59 PM Go to last post
  43. carrier RTU coil gone bad

    Started by jxw9634, 10-07-2014 08:32 PM
    • Replies: 9
    • Views: 1,327
    10-11-2014, 03:28 PM Go to last post
  44. Lint in condenser

    Started by DCfan, 10-05-2014 12:09 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,913
    10-11-2014, 03:03 PM Go to last post
  45. Condensate drain on 125 ton rooftop

    Started by Solstice, 10-08-2014 04:49 AM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 3,451
    10-11-2014, 09:19 AM Go to last post
  46. electronic expansion valves

    Started by jakes56, 10-02-2014 08:38 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,016
    10-10-2014, 10:50 PM Go to last post
  47. Burner controls

    Started by Mihvactech, 10-09-2014 05:47 PM
    • Replies: 0
    • Views: 437
    10-09-2014, 05:47 PM Go to last post

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