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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: 8,048
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Wattmaster/ Aaon control question

    Started by bgrich2003, 09-11-2015 02:00 PM
    • Replies: 4
    • Views: 477
    09-13-2015, 11:41 AM Go to last post
  3. Capacity control problem

    Started by alex87gr, 08-13-2015 01:33 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,094
    09-12-2015, 03:41 PM Go to last post
  4. How to test Compressor Valves

    Started by Junior1983, 09-09-2015 11:49 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,059
    09-12-2015, 01:49 PM Go to last post
  5. Carrier PTAC blower wheel replacement

    Started by killer v, 09-10-2015 02:54 PM
    • Replies: 2
    • Views: 362
    09-10-2015, 04:09 PM Go to last post
    • Replies: 5
    • Views: 519
    09-10-2015, 09:33 AM Go to last post
  6. Cooler electric defrost

    Started by lytning, 09-09-2015 10:01 AM
    • Replies: 6
    • Views: 525
    09-10-2015, 05:32 AM Go to last post
  7. Question about Water Source Heatpumps

    Started by hvacsolutions, 11-05-2013 03:09 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,144
    09-10-2015, 03:22 AM Go to last post
  8. Making the switch from residential to commercial

    Started by mpenney, 09-01-2015 08:36 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,108
    09-09-2015, 07:31 PM Go to last post
    • Replies: 11
    • Views: 1,117
    09-09-2015, 12:40 PM Go to last post
  9. Condensate lines for high efficiency unit

    Started by Dumplumer, 09-06-2015 02:00 PM
    • Replies: 6
    • Views: 563
    09-07-2015, 06:22 AM Go to last post
  10. Carrier 50HJQ intermittent issues.

    Started by mbarker84, 09-04-2015 06:12 PM
    • Replies: 11
    • Views: 663
    09-06-2015, 12:21 PM Go to last post
  11. Duct static Readings Mean?

    Started by Junior1983, 08-28-2015 11:44 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,345
    09-04-2015, 05:24 PM Go to last post
    • Replies: 12
    • Views: 1,605
    09-04-2015, 12:38 PM Go to last post
  12. Confused Daikin fan speed???

    Started by Big Unit, 09-02-2015 11:27 AM
    • Replies: 3
    • Views: 507
    09-04-2015, 12:14 PM Go to last post
  13. 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: 1,185
    09-04-2015, 10:07 AM Go to last post
  14. 1950's Trane Univent

    Started by mkraintz, 09-02-2015 11:56 AM
    • Replies: 0
    • Views: 384
    09-02-2015, 11:56 AM Go to last post
  15. Re insulation of Refrigerant Lines

    Started by Cory Wells, 08-25-2015 11:40 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,845
    09-02-2015, 10:43 AM Go to last post
  16. chrigs

    Started by chrigs, 09-01-2015 01:55 PM
    • Replies: 8
    • Views: 633
    09-01-2015, 09:12 PM Go to last post
  17. What am I missing?

    Started by 280zx, 07-22-2015 09:06 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 4,300
    09-01-2015, 08:43 PM Go to last post
  18. Fresh air intake options

    Started by swetha, 08-31-2015 03:07 AM
    • Replies: 3
    • Views: 679
    09-01-2015, 07:04 PM Go to last post
  19. Best vaccum pump

    Started by Junior1983, 08-14-2015 12:07 AM
    5 Pages
    1 2 3 4 5
    • Replies: 59
    • Views: 4,370
    09-01-2015, 04:03 PM Go to last post
  20. Using 1/3 hp instead of 1/4 hp any problem?

    Started by DeltaTech, 08-31-2015 11:23 AM
    • Replies: 9
    • Views: 1,138
    09-01-2015, 02:43 PM Go to last post
  21. Copeland temperature sensor question

    Started by richp, 08-31-2015 07:35 PM
    • Replies: 8
    • Views: 1,117
    09-01-2015, 09:21 AM Go to last post
  22. Lennox CHP20-060-4G Issues?

    Started by Junior1983, 08-31-2015 11:12 PM
    • Replies: 1
    • Views: 835
    09-01-2015, 12:57 AM Go to last post
  23. Scroll Vibration

    Started by jimp, 08-30-2015 01:01 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,435
    08-31-2015, 11:02 PM Go to last post
  24. New AC problem

    Started by Bdeeks, 08-31-2015 12:45 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,220
    08-31-2015, 03:57 PM Go to last post
  25. Manuals

    Started by wra, 07-31-2015 07:06 PM
    • Replies: 6
    • Views: 1,330
    08-31-2015, 07:10 AM Go to last post
  26. What up with icp technical support?

    Started by drage93, 08-30-2015 02:13 PM
    • Replies: 4
    • Views: 820
    08-30-2015, 11:32 PM Go to last post
  27. Exeter XL system controller manual search

    Started by xibu, 08-30-2015 10:57 PM
    • Replies: 0
    • Views: 587
    08-30-2015, 10:57 PM Go to last post
  28. 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: 5,139
    08-30-2015, 06:08 PM Go to last post
  29. lennox package unit

    Started by drage93, 08-22-2015 09:13 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 2,430
    08-28-2015, 08:30 PM Go to last post
  30. HOW DOES THIS WORK ? 4 STAGE THERMOSTAT

    Started by lostro, 08-25-2015 12:16 AM
    • Replies: 5
    • Views: 921
    08-28-2015, 04:45 PM Go to last post
    • Replies: 8
    • Views: 836
    08-28-2015, 04:17 AM Go to last post
  31. Honeywell JADE economiser

    Started by Junior1983, 05-09-2015 10:59 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,428
    08-27-2015, 10:27 PM Go to last post
  32. 60 ton Trane Chiller (2003)

    Started by hcpwr, 07-10-2015 06:55 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,626
    08-27-2015, 07:56 PM Go to last post
  33. Envision water furnace question

    Started by rrobmac, 08-27-2015 06:06 PM
    • Replies: 0
    • Views: 515
    08-27-2015, 06:06 PM Go to last post
  34. liebert product data

    Started by timjimbob, 08-25-2015 07:26 AM
    • Replies: 4
    • Views: 691
    08-27-2015, 07:13 AM Go to last post
  35. ABB 550 VFD trips over current?

    Started by CEAS-AC-TECH, 08-26-2015 09:32 AM
    • Replies: 11
    • Views: 917
    08-26-2015, 11:01 PM Go to last post
  36. Pumping down circuit

    Started by hands, 08-25-2015 08:34 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,405
    08-26-2015, 06:28 PM Go to last post
  37. Roof reinforcement for new RTU install

    Started by checkpoint, 08-26-2015 12:25 PM
    • Replies: 2
    • Views: 621
    08-26-2015, 01:16 PM Go to last post
  38. Post Copeland Scroll Compressor Data Needed

    Started by Push It, 08-25-2015 05:15 PM
    • Replies: 6
    • Views: 736
    08-26-2015, 07:23 AM Go to last post
  39. Am I reading PT chart correctly?

    Started by Junior1983, 08-23-2015 06:18 PM
    • Replies: 10
    • Views: 988
    08-26-2015, 05:27 AM Go to last post
  40. Trane chiller cgam temp sensor replacement

    Started by daveoxlad, 06-26-2013 09:18 PM
    • Replies: 7
    • Views: 2,143
    08-25-2015, 11:26 PM Go to last post
    • Replies: 11
    • Views: 1,257
    08-25-2015, 07:06 PM Go to last post
  41. carrier 06la118 compressor

    Started by james mo, 08-24-2015 08:52 PM
    • Replies: 2
    • Views: 618
    08-25-2015, 02:59 PM Go to last post
  42. Old Trane Multizone Unit

    Started by raven5, 08-25-2015 11:13 AM
    • Replies: 1
    • Views: 620
    08-25-2015, 11:39 AM Go to last post
  43. McQuay RTU High Pressure lock out problem

    Started by richper, 08-05-2015 04:27 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,036
    08-24-2015, 10:16 PM Go to last post
  44. Humidity control problems with Humidisk65

    Started by Tularac, 08-24-2015 04:41 PM
    • Replies: 1
    • Views: 525
    08-24-2015, 09:17 PM Go to last post
  45. Confused Condenser fan is not discharging properly. NEED HELP!

    Started by Robert Roman, 08-16-2015 07:33 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 3,694
    08-24-2015, 06:33 PM Go to last post
  46. Equipment sizing / load calculations

    Started by fr420, 08-21-2015 10:12 PM
    • Replies: 5
    • Views: 764
    08-24-2015, 02:43 PM Go to last post

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