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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: 10,544
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. drilling into clay tile

    Started by snupytcb, 09-15-2015 08:37 AM
    • Replies: 7
    • Views: 1,441
    09-16-2015, 08:15 AM Go to last post
  3. Need Some Help

    Started by Bassmastermat, 09-13-2015 06:23 PM
    • Replies: 10
    • Views: 1,499
    09-15-2015, 10:57 PM Go to last post
  4. Lennox all contactors humming not pulling all way in

    Started by javier_119, 08-29-2015 07:31 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 7,229
    09-15-2015, 08:50 PM Go to last post
  5. Training

    Started by sloppyjoe1, 08-30-2015 06:19 PM
    • Replies: 3
    • Views: 1,529
    09-15-2015, 01:25 AM Go to last post
  6. Duct Sizing and Static

    Started by ARK Cooling, 09-11-2015 05:19 PM
    • Replies: 5
    • Views: 1,045
    09-14-2015, 09:20 PM Go to last post
  7. Smile Quickly sketch and share HVAC systems

    Started by Frozenlock, 01-07-2015 03:56 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 7,175
    09-14-2015, 12:47 PM Go to last post
  8. Hmm Origin of thermostat terminal letters

    Started by Bruce Hendricks, 09-10-2015 12:38 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 4,122
    09-13-2015, 10:19 PM Go to last post
  9. Wattmaster/ Aaon control question

    Started by bgrich2003, 09-11-2015 02:00 PM
    • Replies: 4
    • Views: 806
    09-13-2015, 11:41 AM Go to last post
  10. Capacity control problem

    Started by alex87gr, 08-13-2015 01:33 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,564
    09-12-2015, 03:41 PM Go to last post
  11. How to test Compressor Valves

    Started by Junior1983, 09-09-2015 11:49 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,070
    09-12-2015, 01:49 PM Go to last post
  12. Carrier PTAC blower wheel replacement

    Started by killer v, 09-10-2015 02:54 PM
    • Replies: 2
    • Views: 584
    09-10-2015, 04:09 PM Go to last post
    • Replies: 5
    • Views: 840
    09-10-2015, 09:33 AM Go to last post
  13. Cooler electric defrost

    Started by lytning, 09-09-2015 10:01 AM
    • Replies: 6
    • Views: 1,089
    09-10-2015, 05:32 AM Go to last post
  14. Question about Water Source Heatpumps

    Started by hvacsolutions, 11-05-2013 03:09 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 3,518
    09-10-2015, 03:22 AM Go to last post
  15. Making the switch from residential to commercial

    Started by mpenney, 09-01-2015 08:36 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,354
    09-09-2015, 07:31 PM Go to last post
  16. Condensate lines for high efficiency unit

    Started by Dumplumer, 09-06-2015 02:00 PM
    • Replies: 6
    • Views: 995
    09-07-2015, 06:22 AM Go to last post
  17. Carrier 50HJQ intermittent issues.

    Started by mbarker84, 09-04-2015 06:12 PM
    • Replies: 11
    • Views: 1,126
    09-06-2015, 12:21 PM Go to last post
  18. Duct static Readings Mean?

    Started by Junior1983, 08-28-2015 11:44 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,608
    09-04-2015, 05:24 PM Go to last post
    • Replies: 12
    • Views: 3,932
    09-04-2015, 12:38 PM Go to last post
  19. Confused Daikin fan speed???

    Started by Big Unit, 09-02-2015 11:27 AM
    • Replies: 3
    • Views: 984
    09-04-2015, 12:14 PM Go to last post
  20. I have a 6 amp motor running 18 amps measured after the VFD

    Started by alikair, 09-02-2015 10:59 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,357
    09-04-2015, 10:07 AM Go to last post
  21. 1950's Trane Univent

    Started by mkraintz, 09-02-2015 11:56 AM
    • Replies: 0
    • Views: 660
    09-02-2015, 11:56 AM Go to last post
  22. Re insulation of Refrigerant Lines

    Started by Cory Wells, 08-25-2015 11:40 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 4,564
    09-02-2015, 10:43 AM Go to last post
  23. chrigs

    Started by chrigs, 09-01-2015 01:55 PM
    • Replies: 8
    • Views: 1,286
    09-01-2015, 09:12 PM Go to last post
  24. Fresh air intake options

    Started by swetha, 08-31-2015 03:07 AM
    • Replies: 3
    • Views: 955
    09-01-2015, 07:04 PM Go to last post
  25. Best vaccum pump

    Started by Junior1983, 08-14-2015 12:07 AM
    5 Pages
    1 2 3 4 5
    • Replies: 59
    • Views: 7,661
    09-01-2015, 04:03 PM Go to last post
  26. Using 1/3 hp instead of 1/4 hp any problem?

    Started by DeltaTech, 08-31-2015 11:23 AM
    • Replies: 9
    • Views: 1,910
    09-01-2015, 02:43 PM Go to last post
  27. Copeland temperature sensor question

    Started by richp, 08-31-2015 07:35 PM
    • Replies: 8
    • Views: 1,460
    09-01-2015, 09:21 AM Go to last post
  28. Lennox CHP20-060-4G Issues?

    Started by Junior1983, 08-31-2015 11:12 PM
    • Replies: 1
    • Views: 1,045
    09-01-2015, 12:57 AM Go to last post
  29. Scroll Vibration

    Started by jimp, 08-30-2015 01:01 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,163
    08-31-2015, 11:02 PM Go to last post
  30. New AC problem

    Started by Bdeeks, 08-31-2015 12:45 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,049
    08-31-2015, 03:57 PM Go to last post
  31. Manuals

    Started by wra, 07-31-2015 07:06 PM
    • Replies: 6
    • Views: 1,907
    08-31-2015, 07:10 AM Go to last post
  32. What up with icp technical support?

    Started by drage93, 08-30-2015 02:13 PM
    • Replies: 4
    • Views: 1,895
    08-30-2015, 11:32 PM Go to last post
  33. Exeter XL system controller manual search

    Started by xibu, 08-30-2015 10:57 PM
    • Replies: 0
    • Views: 1,117
    08-30-2015, 10:57 PM Go to last post
  34. Help! Uneven amp draw on fan motor.

    Started by DanDaMan370, 08-28-2015 12:29 AM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 89
    • Views: 9,561
    08-30-2015, 06:08 PM Go to last post
  35. lennox package unit

    Started by drage93, 08-22-2015 09:13 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 4,414
    08-28-2015, 08:30 PM Go to last post
  36. HOW DOES THIS WORK ? 4 STAGE THERMOSTAT

    Started by lostro, 08-25-2015 12:16 AM
    • Replies: 5
    • Views: 1,349
    08-28-2015, 04:45 PM Go to last post
    • Replies: 8
    • Views: 1,489
    08-28-2015, 04:17 AM Go to last post
  37. Honeywell JADE economiser

    Started by Junior1983, 05-09-2015 10:59 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,440
    08-27-2015, 10:27 PM Go to last post
  38. 60 ton Trane Chiller (2003)

    Started by hcpwr, 07-10-2015 06:55 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,727
    08-27-2015, 07:56 PM Go to last post
  39. Envision water furnace question

    Started by rrobmac, 08-27-2015 06:06 PM
    • Replies: 0
    • Views: 691
    08-27-2015, 06:06 PM Go to last post
  40. liebert product data

    Started by timjimbob, 08-25-2015 07:26 AM
    • Replies: 4
    • Views: 1,136
    08-27-2015, 07:13 AM Go to last post
  41. ABB 550 VFD trips over current?

    Started by CEAS-AC-TECH, 08-26-2015 09:32 AM
    • Replies: 11
    • Views: 1,667
    08-26-2015, 11:01 PM Go to last post
  42. Pumping down circuit

    Started by hands, 08-25-2015 08:34 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,171
    08-26-2015, 06:28 PM Go to last post
  43. Roof reinforcement for new RTU install

    Started by checkpoint, 08-26-2015 12:25 PM
    • Replies: 2
    • Views: 905
    08-26-2015, 01:16 PM Go to last post
  44. Post Copeland Scroll Compressor Data Needed

    Started by Push It, 08-25-2015 05:15 PM
    • Replies: 6
    • Views: 1,094
    08-26-2015, 07:23 AM Go to last post
  45. Am I reading PT chart correctly?

    Started by Junior1983, 08-23-2015 06:18 PM
    • Replies: 10
    • Views: 1,546
    08-26-2015, 05:27 AM Go to last post
    • Replies: 11
    • Views: 2,188
    08-25-2015, 07:06 PM Go to last post
  46. carrier 06la118 compressor

    Started by james mo, 08-24-2015 08:52 PM
    • Replies: 2
    • Views: 1,018
    08-25-2015, 02:59 PM Go to last post
  47. Old Trane Multizone Unit

    Started by raven5, 08-25-2015 11:13 AM
    • Replies: 1
    • Views: 1,158
    08-25-2015, 11:39 AM Go to last post

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