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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: 8,664
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Cooler electric defrost

    Started by lytning, 09-09-2015 10:01 AM
    • Replies: 6
    • Views: 694
    09-10-2015, 05:32 AM Go to last post
  3. Question about Water Source Heatpumps

    Started by hvacsolutions, 11-05-2013 03:09 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,559
    09-10-2015, 03:22 AM Go to last post
  4. Making the switch from residential to commercial

    Started by mpenney, 09-01-2015 08:36 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,429
    09-09-2015, 07:31 PM Go to last post
    • Replies: 11
    • Views: 1,386
    09-09-2015, 12:40 PM Go to last post
  5. Condensate lines for high efficiency unit

    Started by Dumplumer, 09-06-2015 02:00 PM
    • Replies: 6
    • Views: 706
    09-07-2015, 06:22 AM Go to last post
  6. Carrier 50HJQ intermittent issues.

    Started by mbarker84, 09-04-2015 06:12 PM
    • Replies: 11
    • Views: 822
    09-06-2015, 12:21 PM Go to last post
  7. Duct static Readings Mean?

    Started by Junior1983, 08-28-2015 11:44 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,650
    09-04-2015, 05:24 PM Go to last post
    • Replies: 12
    • Views: 2,033
    09-04-2015, 12:38 PM Go to last post
  8. Confused Daikin fan speed???

    Started by Big Unit, 09-02-2015 11:27 AM
    • Replies: 3
    • Views: 642
    09-04-2015, 12:14 PM Go to last post
  9. 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: 1,442
    09-04-2015, 10:07 AM Go to last post
  10. 1950's Trane Univent

    Started by mkraintz, 09-02-2015 11:56 AM
    • Replies: 0
    • Views: 475
    09-02-2015, 11:56 AM Go to last post
  11. Re insulation of Refrigerant Lines

    Started by Cory Wells, 08-25-2015 11:40 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,379
    09-02-2015, 10:43 AM Go to last post
  12. chrigs

    Started by chrigs, 09-01-2015 01:55 PM
    • Replies: 8
    • Views: 790
    09-01-2015, 09:12 PM Go to last post
  13. What am I missing?

    Started by 280zx, 07-22-2015 09:06 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 5,188
    09-01-2015, 08:43 PM Go to last post
  14. Fresh air intake options

    Started by swetha, 08-31-2015 03:07 AM
    • Replies: 3
    • Views: 795
    09-01-2015, 07:04 PM Go to last post
  15. Best vaccum pump

    Started by Junior1983, 08-14-2015 12:07 AM
    5 Pages
    1 2 3 4 5
    • Replies: 59
    • Views: 5,304
    09-01-2015, 04:03 PM Go to last post
  16. Using 1/3 hp instead of 1/4 hp any problem?

    Started by DeltaTech, 08-31-2015 11:23 AM
    • Replies: 9
    • Views: 1,284
    09-01-2015, 02:43 PM Go to last post
  17. Copeland temperature sensor question

    Started by richp, 08-31-2015 07:35 PM
    • Replies: 8
    • Views: 1,235
    09-01-2015, 09:21 AM Go to last post
  18. Lennox CHP20-060-4G Issues?

    Started by Junior1983, 08-31-2015 11:12 PM
    • Replies: 1
    • Views: 900
    09-01-2015, 12:57 AM Go to last post
  19. Scroll Vibration

    Started by jimp, 08-30-2015 01:01 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,674
    08-31-2015, 11:02 PM Go to last post
  20. New AC problem

    Started by Bdeeks, 08-31-2015 12:45 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,405
    08-31-2015, 03:57 PM Go to last post
  21. Manuals

    Started by wra, 07-31-2015 07:06 PM
    • Replies: 6
    • Views: 1,494
    08-31-2015, 07:10 AM Go to last post
  22. What up with icp technical support?

    Started by drage93, 08-30-2015 02:13 PM
    • Replies: 4
    • Views: 1,059
    08-30-2015, 11:32 PM Go to last post
  23. Exeter XL system controller manual search

    Started by xibu, 08-30-2015 10:57 PM
    • Replies: 0
    • Views: 726
    08-30-2015, 10:57 PM Go to last post
  24. 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: 6,152
    08-30-2015, 06:08 PM Go to last post
  25. lennox package unit

    Started by drage93, 08-22-2015 09:13 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 2,977
    08-28-2015, 08:30 PM Go to last post
  26. HOW DOES THIS WORK ? 4 STAGE THERMOSTAT

    Started by lostro, 08-25-2015 12:16 AM
    • Replies: 5
    • Views: 1,104
    08-28-2015, 04:45 PM Go to last post
    • Replies: 8
    • Views: 1,004
    08-28-2015, 04:17 AM Go to last post
  27. Honeywell JADE economiser

    Started by Junior1983, 05-09-2015 10:59 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,034
    08-27-2015, 10:27 PM Go to last post
  28. 60 ton Trane Chiller (2003)

    Started by hcpwr, 07-10-2015 06:55 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,867
    08-27-2015, 07:56 PM Go to last post
  29. Envision water furnace question

    Started by rrobmac, 08-27-2015 06:06 PM
    • Replies: 0
    • Views: 586
    08-27-2015, 06:06 PM Go to last post
  30. liebert product data

    Started by timjimbob, 08-25-2015 07:26 AM
    • Replies: 4
    • Views: 802
    08-27-2015, 07:13 AM Go to last post
  31. ABB 550 VFD trips over current?

    Started by CEAS-AC-TECH, 08-26-2015 09:32 AM
    • Replies: 11
    • Views: 1,083
    08-26-2015, 11:01 PM Go to last post
  32. Pumping down circuit

    Started by hands, 08-25-2015 08:34 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,680
    08-26-2015, 06:28 PM Go to last post
  33. Roof reinforcement for new RTU install

    Started by checkpoint, 08-26-2015 12:25 PM
    • Replies: 2
    • Views: 760
    08-26-2015, 01:16 PM Go to last post
  34. Post Copeland Scroll Compressor Data Needed

    Started by Push It, 08-25-2015 05:15 PM
    • Replies: 6
    • Views: 851
    08-26-2015, 07:23 AM Go to last post
  35. Am I reading PT chart correctly?

    Started by Junior1983, 08-23-2015 06:18 PM
    • Replies: 10
    • Views: 1,183
    08-26-2015, 05:27 AM Go to last post
    • Replies: 11
    • Views: 1,562
    08-25-2015, 07:06 PM Go to last post
  36. carrier 06la118 compressor

    Started by james mo, 08-24-2015 08:52 PM
    • Replies: 2
    • Views: 745
    08-25-2015, 02:59 PM Go to last post
  37. Old Trane Multizone Unit

    Started by raven5, 08-25-2015 11:13 AM
    • Replies: 1
    • Views: 778
    08-25-2015, 11:39 AM Go to last post
  38. McQuay RTU High Pressure lock out problem

    Started by richper, 08-05-2015 04:27 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,306
    08-24-2015, 10:16 PM Go to last post
  39. Humidity control problems with Humidisk65

    Started by Tularac, 08-24-2015 04:41 PM
    • Replies: 1
    • Views: 604
    08-24-2015, 09:17 PM Go to last post
  40. 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: 4,353
    08-24-2015, 06:33 PM Go to last post
  41. Equipment sizing / load calculations

    Started by fr420, 08-21-2015 10:12 PM
    • Replies: 5
    • Views: 895
    08-24-2015, 02:43 PM Go to last post
  42. Leak repair

    Started by tpodany88, 01-13-2014 07:56 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 7,504
    08-24-2015, 09:14 AM Go to last post
  43. unable to clear sight glass on air-cooled condensing unit.

    Started by aquadug, 08-22-2015 08:55 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,734
    08-24-2015, 03:30 AM Go to last post
  44. Condenser Approach Question

    Started by rrobmac, 08-23-2015 03:25 PM
    • Replies: 4
    • Views: 984
    08-23-2015, 07:19 PM Go to last post
  45. POE oil.

    Started by brintin04, 08-22-2015 01:26 PM
    • Replies: 2
    • Views: 706
    08-23-2015, 12:58 AM Go to last post
  46. Trane Unloader Rebuild

    Started by kaptnkirk, 08-20-2015 03:11 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,510
    08-21-2015, 04:50 PM Go to last post
  47. Hey guys what is this

    Started by crazzycajun, 08-10-2015 02:31 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,164
    08-21-2015, 03:28 PM Go to last post

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