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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: 17,352
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Current switch confusion

    Started by JTLB, 09-16-2020 05:37 PM
    • Replies: 10
    • Views: 305
    Yesterday, 04:34 PM Go to last post
  3. Cylon bms controllers

    Started by Crxgaz, Yesterday 02:37 PM
    • Replies: 0
    • Views: 92
    Yesterday, 02:37 PM Go to last post
  4. heater sizing

    Started by packratt, Yesterday 10:05 AM
    • Replies: 1
    • Views: 123
    Yesterday, 12:04 PM Go to last post
  5. Trane TU software

    Started by phbua392, 02-27-2017 09:20 AM
    • Replies: 17
    • Views: 3,582
    09-16-2020, 02:12 PM Go to last post
  6. 4 zone carrier cassette system

    Started by shawn.1331, 09-14-2020 03:52 PM
    • Replies: 8
    • Views: 262
    09-16-2020, 11:31 AM Go to last post
  7. R410-A Pressurization

    Started by servicewiz10, 09-13-2020 07:07 PM
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 814
    09-16-2020, 10:36 AM Go to last post
  8. Damn powerflame burner

    Started by Matt Woodbridge, 09-08-2020 09:43 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 801
    09-16-2020, 09:39 AM Go to last post
  9. R410-A Pressurization/ R-410-A Flare nuts

    Started by servicewiz10, 09-14-2020 08:16 PM
    • Replies: 11
    • Views: 314
    09-15-2020, 09:24 PM Go to last post
  10. Cng vehicles

    Started by Matt Woodbridge, 09-15-2020 08:11 PM
    • Replies: 2
    • Views: 142
    09-15-2020, 08:19 PM Go to last post
  11. HEAT LOAD OF AVANTCO COOLER

    Started by splus, 09-15-2020 05:23 PM
    • Replies: 0
    • Views: 129
    09-15-2020, 05:23 PM Go to last post
  12. Temp sensors fail on York chillers

    Started by mccann, 04-16-2015 11:03 PM
    • Replies: 8
    • Views: 4,565
    09-15-2020, 09:05 AM Go to last post
  13. Carrier 2-stage heat pump operation

    Started by 826, 09-12-2020 06:33 PM
    • Replies: 3
    • Views: 285
    09-13-2020, 07:44 PM Go to last post
    • Replies: 12
    • Views: 552
    09-12-2020, 06:09 PM Go to last post
  14. Stop asking fellow techs to wear N95s?

    Started by Aitch Vak Rook, 05-06-2020 02:07 AM
    3 Pages
    1 2 3
    • Replies: 57
    • Views: 3,250
    09-12-2020, 03:01 PM Go to last post
  15. Best repair of h-10

    Started by cg2, 08-28-2020 09:15 AM
    bacharach h10 leak
    • Replies: 13
    • Views: 687
    09-12-2020, 02:57 PM Go to last post
  16. VFD Speed with Two Pressure Sensors

    Started by steve3871m, 09-11-2020 01:45 PM
    • Replies: 3
    • Views: 353
    09-12-2020, 11:29 AM Go to last post
  17. compressor

    Started by nytech28, 09-11-2020 07:09 PM
    • Replies: 8
    • Views: 371
    09-11-2020, 10:35 PM Go to last post
  18. Centrifugal chiller question.

    Started by jlunaCR, 01-22-2020 10:04 PM
    • Replies: 9
    • Views: 1,119
    09-10-2020, 09:52 PM Go to last post
  19. how much thread tape!

    Started by freonbreather, 08-14-2020 11:14 PM
    4 Pages
    1 2 3 4
    • Replies: 65
    • Views: 2,351
    09-10-2020, 06:19 PM Go to last post
  20. did Carrier do away with c.l.o. boards?

    Started by Matt Woodbridge, 09-09-2020 01:16 AM
    • Replies: 6
    • Views: 379
    09-09-2020, 11:03 AM Go to last post
  21. Exclamation brand new - liquid and suction lines start above 600 psi

    Started by Comfortgranted, 08-17-2020 01:59 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 1,425
    09-08-2020, 03:28 PM Go to last post
  22. Multiple welded contactors

    Started by knkreb, 09-04-2020 09:01 AM
    • Replies: 17
    • Views: 670
    09-08-2020, 10:38 AM Go to last post
  23. New 5ton trane odyssey - coil defect?

    Started by JTLB, 08-22-2020 12:28 PM
    • Replies: 9
    • Views: 981
    09-07-2020, 07:53 PM Go to last post
  24. Service port size on larger units

    Started by Matt Woodbridge, 09-07-2020 02:49 PM
    • Replies: 11
    • Views: 399
    09-07-2020, 05:11 PM Go to last post
  25. Info about CAREL BOSS

    Started by ecopc1, 09-07-2020 04:14 PM
    • Replies: 0
    • Views: 294
    09-07-2020, 04:14 PM Go to last post
  26. Killing COVID with hvac

    Started by 2sac, 06-11-2020 07:56 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,546
    09-06-2020, 01:26 PM Go to last post
  27. Bitzer Compressor - Low oil pressure alarm.

    Started by jlunaCR, 12-09-2019 09:45 PM
    • Replies: 16
    • Views: 1,963
    09-02-2020, 04:13 PM Go to last post
  28. What is wrong with this RTU unit?

    Started by jakes56, 08-10-2020 11:28 AM
    • Replies: 17
    • Views: 1,440
    08-29-2020, 06:55 AM Go to last post
  29. Rebuilt compressor

    Started by mrcool, 08-26-2020 06:07 PM
    • Replies: 8
    • Views: 784
    08-29-2020, 03:11 AM Go to last post
  30. Old Hill rack retrofit

    Started by mrcool, 08-27-2020 07:40 PM
    • Replies: 11
    • Views: 704
    08-29-2020, 12:04 AM Go to last post
  31. Gas dishwasher won’t light.

    Started by bryce.moses94, 08-28-2020 08:48 AM
    • Replies: 3
    • Views: 412
    08-28-2020, 02:13 PM Go to last post
  32. Daikin mhp faults

    Started by cg2, 08-28-2020 09:21 AM
    • Replies: 1
    • Views: 299
    08-28-2020, 10:01 AM Go to last post
  33. I'm missing something really obvious and stupid. High pressure cut-off

    Started by MAC702, 08-21-2020 05:43 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,138
    08-28-2020, 06:23 AM Go to last post
    • Replies: 20
    • Views: 1,246
    08-26-2020, 06:07 PM Go to last post
  34. Talking Belt Loss reading

    Started by steve3871m, 08-21-2020 02:31 PM
    • Replies: 19
    • Views: 954
    08-26-2020, 09:37 AM Go to last post
  35. Inrush current for HVAC applications

    Started by jw-lu597, 01-28-2017 07:04 PM
    3 Pages
    1 2 3
    • Replies: 45
    • Views: 10,297
    08-25-2020, 08:34 AM Go to last post
  36. external static pressure in the name plate

    Started by moideen, 08-23-2020 05:24 AM
    • Replies: 8
    • Views: 687
    08-23-2020, 02:56 PM Go to last post
  37. Condenser fan running half speed

    Started by Jlstan, 08-20-2020 08:55 PM
    • Replies: 17
    • Views: 792
    08-21-2020, 08:54 PM Go to last post
  38. Question POSITIVE PRESSURE CALCULATION

    Started by Zafar Khan, 08-21-2020 06:29 AM
    • Replies: 1
    • Views: 364
    08-21-2020, 10:48 AM Go to last post
  39. Micro channel leak

    Started by actech2, 08-15-2020 03:14 PM
    • Replies: 10
    • Views: 787
    08-21-2020, 01:51 AM Go to last post

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