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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: 22,102
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Looking for advice on zoning a 3 zone system

    Started by jaddenney, 06-23-2022 08:22 PM
    • Replies: 4
    • Views: 218
    Yesterday, 11:16 PM Go to last post
  3. Pump head/velocity pressure

    Started by Shreadhead, Yesterday 11:09 PM
    • Replies: 0
    • Views: 39
    Yesterday, 11:09 PM Go to last post
  4. Swapped circuits on RTU?

    Started by ttowngremlin, 06-19-2022 06:38 PM
    • Replies: 10
    • Views: 380
    06-22-2022, 09:09 PM Go to last post
  5. York RTU heating Ignition control failure during AC, unit locks out??

    Started by tcape, 07-22-2016 03:52 PM
    5 Pages
    1 2 3 4 5
    • Replies: 81
    • Views: 46,890
    06-20-2022, 11:41 PM Go to last post
  6. Excessive humidity during summer in water heat/cooled hotel

    Started by jaddenney, 06-14-2022 05:57 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 931
    06-18-2022, 06:55 PM Go to last post
  7. Intellipaks everywhere

    Started by targetman, 06-16-2022 06:14 AM
    • Replies: 2
    • Views: 684
    06-17-2022, 09:30 PM Go to last post
  8. york ylua0078ze compressor problem

    Started by Robert George, 06-17-2022 01:46 PM
    • Replies: 1
    • Views: 320
    06-17-2022, 06:59 PM Go to last post
  9. 410 condenser running 438A

    Started by DiagnosticDale, 06-16-2022 03:31 PM
    • Replies: 6
    • Views: 225
    06-17-2022, 12:15 PM Go to last post
    • Replies: 13
    • Views: 593
    06-16-2022, 11:50 PM Go to last post
  10. Carrier heat pump restriction

    Started by Frosty_VA, 01-20-2022 11:53 AM
    • Replies: 6
    • Views: 1,322
    06-16-2022, 08:03 AM Go to last post
  11. 2" wc drop across cooling coil? Not dirty, looks mint. Stumped

    Started by Gdh33, 06-03-2022 01:12 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,311
    06-13-2022, 10:05 PM Go to last post
    • Replies: 10
    • Views: 495
    06-13-2022, 01:57 PM Go to last post
    • Replies: 8
    • Views: 403
    06-11-2022, 07:52 AM Go to last post
  12. LGMV SOFTWARE DOWNLOAD FOR TOOL

    Started by ColeD, 03-16-2022 02:35 PM
    • Replies: 3
    • Views: 694
    06-09-2022, 03:34 PM Go to last post
  13. RAYPAK X-Fyre

    Started by ksefan, 06-07-2022 01:10 PM
    • Replies: 3
    • Views: 540
    06-08-2022, 07:53 PM Go to last post
  14. York YK Oil Pump

    Started by Scweehan, 06-02-2022 01:08 PM
    • Replies: 6
    • Views: 550
    06-08-2022, 10:44 AM Go to last post
  15. Confused Daiken WSHP high pressure fault

    Started by jdash33, 06-02-2022 06:50 AM
    • Replies: 7
    • Views: 262
    06-08-2022, 12:01 AM Go to last post
  16. VRF Outdoor Failover

    Started by CraziFuzzy, 06-07-2022 05:38 PM
    • Replies: 0
    • Views: 286
    06-07-2022, 05:38 PM Go to last post
  17. Whats the difference in these cleaners ???

    Started by Snapperhead, 06-04-2022 02:07 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 580
    06-06-2022, 08:38 AM Go to last post
  18. Daiken VRV III, heat, no cooling

    Started by brianbhc, 06-05-2022 12:55 PM
    • Replies: 1
    • Views: 427
    06-05-2022, 11:02 PM Go to last post
  19. Carrier 30GT Water Chiller Codes

    Started by RedSafety, 06-01-2022 08:43 PM
    • Replies: 10
    • Views: 569
    06-04-2022, 09:19 AM Go to last post
  20. Confused Trane CGAM EXV

    Started by heatpumphero, 05-31-2022 04:15 PM
    • Replies: 2
    • Views: 402
    06-01-2022, 03:13 PM Go to last post
    • Replies: 7
    • Views: 479
    06-01-2022, 09:18 AM Go to last post
    • Replies: 16
    • Views: 2,320
    06-01-2022, 08:33 AM Go to last post
  21. Need help ! Trane 7.5 ton split system

    Started by Hvac4322, 05-29-2022 03:03 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 630
    05-31-2022, 04:30 PM Go to last post
  22. Trane Tech Support Number

    Started by FrostGiant, 05-23-2022 12:57 PM
    • Replies: 10
    • Views: 664
    05-30-2022, 11:42 PM Go to last post
    • Replies: 7
    • Views: 480
    05-30-2022, 11:24 PM Go to last post
  23. Mitsubishi city multi

    Started by idol, 05-24-2022 06:52 PM
    indoor air handlers, mitsubishi, refrigerant
    • Replies: 16
    • Views: 516
    05-30-2022, 08:22 AM Go to last post
  24. Dual Honeywell EIM - One Tstat??

    Started by zzip7, 05-24-2022 09:46 PM
    • Replies: 2
    • Views: 396
    05-26-2022, 10:05 AM Go to last post
  25. Who makes this Schrader repair fitting ?

    Started by Dan_G, 05-25-2022 07:57 PM
    • Replies: 5
    • Views: 475
    05-26-2022, 06:25 AM Go to last post
  26. Trane Voyager R22

    Started by Lddc, 05-19-2022 07:00 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 629
    05-20-2022, 09:24 AM Go to last post
  27. Problem with Freezstat and Control Board

    Started by GoCougs, 07-26-2016 08:58 PM
    • Replies: 12
    • Views: 3,799
    05-19-2022, 05:58 PM Go to last post
  28. Frown Carrier 48TCEA04 Condenser fan issues

    Started by AIS9505, 05-13-2022 04:54 PM
    • Replies: 15
    • Views: 538
    05-19-2022, 04:35 PM Go to last post
  29. RAUCC254 NO CONTROLS

    Started by wildgato, 05-15-2022 01:51 PM
    • Replies: 15
    • Views: 703
    05-17-2022, 09:42 PM Go to last post
  30. Lg multi vrv error code

    Started by anthonyac1, 05-08-2022 11:54 AM
    • Replies: 19
    • Views: 621
    05-17-2022, 12:44 PM Go to last post
  31. Soft solder line set use with 410a change over

    Started by Sryan42, 12-09-2021 10:15 PM
    5 Pages
    1 2 3 4 5
    • Replies: 86
    • Views: 4,793
    05-16-2022, 10:07 PM Go to last post
  32. Trane absorber ABSC228 question

    Started by kbr58, 05-11-2022 06:23 AM
    • Replies: 8
    • Views: 473
    05-13-2022, 07:42 AM Go to last post
  33. Working on a Trane Condensing Unit

    Started by wildgato, 05-12-2022 04:38 PM
    • Replies: 2
    • Views: 469
    05-13-2022, 05:45 AM Go to last post
  34. Question Trane Compresser Question

    Started by Keith Adams, 05-12-2022 09:26 PM
    • Replies: 7
    • Views: 295
    05-12-2022, 10:42 PM Go to last post
  35. York sse board error

    Started by CharlesSHZ, 05-03-2022 12:42 AM
    • Replies: 6
    • Views: 669
    05-12-2022, 09:44 AM Go to last post

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