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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: 22,110
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Excessive humidity during summer in water heat/cooled hotel

    Started by jaddenney, 06-14-2022 05:57 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 985
    Today, 07:24 AM Go to last post
  3. Intellipaks everywhere

    Started by targetman, 06-16-2022 06:14 AM
    • Replies: 4
    • Views: 816
    Today, 06:47 AM Go to last post
  4. Looking for advice on zoning a 3 zone system

    Started by jaddenney, 06-23-2022 08:22 PM
    • Replies: 5
    • Views: 346
    Yesterday, 12:04 PM Go to last post
  5. Pump head/velocity pressure

    Started by Shreadhead, 06-24-2022 11:09 PM
    • Replies: 4
    • Views: 190
    Yesterday, 11:03 AM Go to last post
  6. Swapped circuits on RTU?

    Started by ttowngremlin, 06-19-2022 06:38 PM
    • Replies: 10
    • Views: 394
    06-22-2022, 09:09 PM Go to last post
  7. 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: 46,988
    06-20-2022, 11:41 PM Go to last post
  8. york ylua0078ze compressor problem

    Started by Robert George, 06-17-2022 01:46 PM
    • Replies: 1
    • Views: 325
    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: 233
    06-17-2022, 12:15 PM Go to last post
    • Replies: 13
    • Views: 614
    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: 1,345
    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: 1,357
    06-13-2022, 10:05 PM Go to last post
    • Replies: 10
    • Views: 512
    06-13-2022, 01:57 PM Go to last post
    • Replies: 8
    • Views: 418
    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: 702
    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: 551
    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: 566
    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: 277
    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: 293
    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: 614
    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: 434
    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: 585
    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: 408
    06-01-2022, 03:13 PM Go to last post
    • Replies: 7
    • Views: 493
    06-01-2022, 09:18 AM Go to last post
    • Replies: 16
    • Views: 2,345
    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: 663
    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: 679
    05-30-2022, 11:42 PM Go to last post
    • Replies: 7
    • Views: 495
    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: 541
    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: 402
    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: 491
    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: 661
    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: 3,818
    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: 579
    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: 723
    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: 646
    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: 4,868
    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: 485
    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: 478
    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: 307
    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: 683
    05-12-2022, 09:44 AM Go to last post

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