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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: 15,850
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Carrier 920499 Thermostat

    Started by d.or, 08-19-2019 01:02 PM
    • Replies: 9
    • Views: 733
    08-22-2019, 03:56 PM Go to last post
  3. Question Maneurop Compressor MT 250 Filled With Water

    Started by E&E, 08-20-2019 06:53 PM
    • Replies: 9
    • Views: 767
    08-22-2019, 09:18 AM Go to last post
  4. Cleaver Brooks Hawk

    Started by jman2794, 05-03-2019 11:58 AM
    • Replies: 3
    • Views: 1,354
    08-21-2019, 12:17 AM Go to last post
  5. Contactor wont pull it

    Started by Spitz, 08-09-2019 10:20 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,107
    08-20-2019, 09:01 PM Go to last post
  6. Fan delay in cooling mode

    Started by Noname81, 08-16-2019 01:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,034
    08-20-2019, 06:59 PM Go to last post
  7. Copeland Recip Burnt terminals

    Started by OhioTech, 08-16-2019 11:39 AM
    • Replies: 10
    • Views: 906
    08-20-2019, 06:24 PM Go to last post
    • Replies: 6
    • Views: 757
    08-20-2019, 02:47 AM Go to last post
  8. My first big tev kicked my butt.

    Started by ksefan, 08-16-2019 08:07 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,494
    08-20-2019, 02:28 AM Go to last post
  9. Low discharge and suction pressures

    Started by jwhitecnc, 08-07-2019 11:10 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 2,140
    08-19-2019, 11:48 AM Go to last post
  10. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 6,380
    08-18-2019, 07:29 PM Go to last post
  11. Indoor humidity VS Evaporator Split

    Started by greenhorn520, 08-07-2019 11:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,247
    08-18-2019, 06:50 PM Go to last post
  12. tapping into drain lines

    Started by nytech28, 08-17-2019 01:35 PM
    • Replies: 7
    • Views: 803
    08-17-2019, 11:19 PM Go to last post
  13. Carrier 6T Blower

    Started by Guyinfield, 08-15-2019 10:24 AM
    • Replies: 4
    • Views: 725
    08-17-2019, 07:41 AM Go to last post
  14. MUA unit's eefect on a load calculaiton

    Started by weebitdry, 08-16-2019 10:54 AM
    • Replies: 3
    • Views: 553
    08-16-2019, 10:24 PM Go to last post
  15. Fulton Boiler

    Started by Bennyj96, 08-13-2019 07:15 PM
    • Replies: 2
    • Views: 648
    08-16-2019, 10:18 PM Go to last post
  16. Trane TCH180 rooftop fleet

    Started by CNSTech, 08-15-2019 09:56 PM
    • Replies: 0
    • Views: 457
    08-15-2019, 09:56 PM Go to last post
    • Replies: 3
    • Views: 589
    08-15-2019, 12:57 PM Go to last post
  17. Carrier split low suction

    Started by Muchoextremo, 08-13-2019 10:56 PM
    • Replies: 5
    • Views: 652
    08-14-2019, 12:55 AM Go to last post
  18. Plugeed up Low Fire Orifces on Maxon Burners.

    Started by cshipley17, 08-12-2019 03:00 PM
    • Replies: 10
    • Views: 697
    08-13-2019, 03:47 PM Go to last post
  19. Geothermal system with WSHPs

    Started by Mr. Nobody, 08-07-2019 10:45 AM
    • Replies: 11
    • Views: 561
    08-13-2019, 11:11 AM Go to last post
  20. Confused York Rooftop troubleshooting needed

    Started by hans-hvacr, 08-09-2019 09:34 PM
    • Replies: 4
    • Views: 801
    08-12-2019, 04:19 PM Go to last post
  21. York Rooftop Unit Flash Code 11 Economizer

    Started by tbak, 05-27-2016 11:44 PM
    • Replies: 4
    • Views: 3,185
    08-12-2019, 04:12 PM Go to last post
  22. Reversing valve question

    Started by tomnkc, 08-09-2019 01:28 PM
    • Replies: 7
    • Views: 874
    08-12-2019, 11:17 AM Go to last post
  23. need to size ac system

    Started by nytech28, 08-10-2019 12:15 PM
    • Replies: 2
    • Views: 734
    08-10-2019, 04:48 PM Go to last post
  24. Damper Lubricant

    Started by TAC Service, 07-23-2019 05:20 PM
    • Replies: 11
    • Views: 1,435
    08-10-2019, 11:39 AM Go to last post
    • Replies: 4
    • Views: 567
    08-09-2019, 11:12 PM Go to last post
  25. Mini-Splits in Industrial Enviroment

    Started by cshipley17, 08-05-2019 10:11 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 989
    08-09-2019, 01:19 PM Go to last post
  26. Help Indentifying This Unit

    Started by paklein, 08-09-2019 09:40 AM
    • Replies: 4
    • Views: 650
    08-09-2019, 01:15 PM Go to last post
  27. Anyone know BTU for this compressor

    Started by yg1box, 08-07-2019 11:04 PM
    • Replies: 11
    • Views: 732
    08-09-2019, 09:18 AM Go to last post
  28. Partial power failure

    Started by BuildingMech88, 08-08-2019 08:20 PM
    • Replies: 7
    • Views: 635
    08-09-2019, 09:14 AM Go to last post
  29. Application chemical product

    Started by marioc68, 09-19-2018 08:43 PM
    • Replies: 4
    • Views: 1,036
    08-08-2019, 05:59 PM Go to last post
    • Replies: 13
    • Views: 1,104
    08-07-2019, 08:40 PM Go to last post
  30. YORK YCIV0177 AIR COOLED CHILLERS

    Started by OLD BALD ONE, 08-04-2019 11:38 AM
    • Replies: 4
    • Views: 590
    08-07-2019, 06:12 PM Go to last post
  31. Understanding Unloading

    Started by DDCSD, 06-15-2016 01:36 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 18,021
    08-07-2019, 10:16 AM Go to last post
  32. How to get into commercial from residential?

    Started by sea-sparrow, 08-02-2019 10:59 PM
    • Replies: 5
    • Views: 771
    08-07-2019, 10:13 AM Go to last post
  33. Inrush current for HVAC applications

    Started by jw-lu597, 01-28-2017 07:04 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 8,110
    08-07-2019, 09:09 AM Go to last post
  34. Water in Gas Piping for a Maxon Burner

    Started by cshipley17, 07-30-2019 09:39 AM
    • Replies: 12
    • Views: 863
    08-07-2019, 07:52 AM Go to last post
  35. Does this drive look repairable?

    Started by Dacman, 07-29-2019 07:21 PM
    • Replies: 6
    • Views: 899
    08-06-2019, 05:05 PM Go to last post
  36. Gauges v. Atmosphere

    Started by ClimateCntrlr, 08-02-2019 06:14 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,151
    08-05-2019, 10:05 AM Go to last post
  37. Goodman heat pump

    Started by drage93, 07-30-2019 11:33 PM
    • Replies: 10
    • Views: 993
    08-04-2019, 07:04 PM Go to last post

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