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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: 22,116
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Durastar Multisplit Troubleshooting

    Started by TheReefer, Yesterday 08:38 PM
    • Replies: 0
    • Views: 138
    Yesterday, 08:38 PM Go to last post
    • Replies: 13
    • Views: 216
    Yesterday, 10:39 AM Go to last post
  3. Sizing my walk in cooler

    Started by hvac36, 06-26-2022 05:01 PM
    • Replies: 2
    • Views: 220
    Yesterday, 07:27 AM Go to last post
  4. Intellipaks everywhere

    Started by targetman, 06-16-2022 06:14 AM
    • Replies: 7
    • Views: 871
    06-26-2022, 09:34 PM Go to last post
  5. 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: 1,029
    06-26-2022, 07:24 AM Go to last post
  6. Looking for advice on zoning a 3 zone system

    Started by jaddenney, 06-23-2022 08:22 PM
    • Replies: 5
    • Views: 365
    06-25-2022, 12:04 PM Go to last post
  7. Pump head/velocity pressure

    Started by Shreadhead, 06-24-2022 11:09 PM
    • Replies: 4
    • Views: 279
    06-25-2022, 11:03 AM Go to last post
  8. Swapped circuits on RTU?

    Started by ttowngremlin, 06-19-2022 06:38 PM
    • Replies: 10
    • Views: 416
    06-22-2022, 09:09 PM Go to last post
  9. 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: 47,084
    06-20-2022, 11:41 PM Go to last post
  10. york ylua0078ze compressor problem

    Started by Robert George, 06-17-2022 01:46 PM
    • Replies: 1
    • Views: 329
    06-17-2022, 06:59 PM Go to last post
  11. 410 condenser running 438A

    Started by DiagnosticDale, 06-16-2022 03:31 PM
    • Replies: 6
    • Views: 242
    06-17-2022, 12:15 PM Go to last post
    • Replies: 13
    • Views: 632
    06-16-2022, 11:50 PM Go to last post
  12. Carrier heat pump restriction

    Started by Frosty_VA, 01-20-2022 11:53 AM
    • Replies: 6
    • Views: 1,358
    06-16-2022, 08:03 AM Go to last post
  13. 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: 1,378
    06-13-2022, 10:05 PM Go to last post
    • Replies: 10
    • Views: 525
    06-13-2022, 01:57 PM Go to last post
    • Replies: 8
    • Views: 429
    06-11-2022, 07:52 AM Go to last post
  14. LGMV SOFTWARE DOWNLOAD FOR TOOL

    Started by ColeD, 03-16-2022 02:35 PM
    • Replies: 3
    • Views: 706
    06-09-2022, 03:34 PM Go to last post
  15. RAYPAK X-Fyre

    Started by ksefan, 06-07-2022 01:10 PM
    • Replies: 3
    • Views: 558
    06-08-2022, 07:53 PM Go to last post
  16. York YK Oil Pump

    Started by Scweehan, 06-02-2022 01:08 PM
    • Replies: 6
    • Views: 576
    06-08-2022, 10:44 AM Go to last post
  17. Confused Daiken WSHP high pressure fault

    Started by jdash33, 06-02-2022 06:50 AM
    • Replies: 7
    • Views: 286
    06-08-2022, 12:01 AM Go to last post
  18. VRF Outdoor Failover

    Started by CraziFuzzy, 06-07-2022 05:38 PM
    • Replies: 0
    • Views: 300
    06-07-2022, 05:38 PM Go to last post
  19. Whats the difference in these cleaners ???

    Started by Snapperhead, 06-04-2022 02:07 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 637
    06-06-2022, 08:38 AM Go to last post
  20. Daiken VRV III, heat, no cooling

    Started by brianbhc, 06-05-2022 12:55 PM
    • Replies: 1
    • Views: 443
    06-05-2022, 11:02 PM Go to last post
  21. Carrier 30GT Water Chiller Codes

    Started by RedSafety, 06-01-2022 08:43 PM
    • Replies: 10
    • Views: 596
    06-04-2022, 09:19 AM Go to last post
  22. Confused Trane CGAM EXV

    Started by heatpumphero, 05-31-2022 04:15 PM
    • Replies: 2
    • Views: 415
    06-01-2022, 03:13 PM Go to last post
    • Replies: 7
    • Views: 502
    06-01-2022, 09:18 AM Go to last post
    • Replies: 16
    • Views: 2,360
    06-01-2022, 08:33 AM Go to last post
  23. Need help ! Trane 7.5 ton split system

    Started by Hvac4322, 05-29-2022 03:03 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 682
    05-31-2022, 04:30 PM Go to last post
  24. Trane Tech Support Number

    Started by FrostGiant, 05-23-2022 12:57 PM
    • Replies: 10
    • Views: 688
    05-30-2022, 11:42 PM Go to last post
    • Replies: 7
    • Views: 507
    05-30-2022, 11:24 PM Go to last post
  25. Mitsubishi city multi

    Started by idol, 05-24-2022 06:52 PM
    indoor air handlers, mitsubishi, refrigerant
    • Replies: 16
    • Views: 558
    05-30-2022, 08:22 AM Go to last post
  26. Dual Honeywell EIM - One Tstat??

    Started by zzip7, 05-24-2022 09:46 PM
    • Replies: 2
    • Views: 407
    05-26-2022, 10:05 AM Go to last post
  27. Who makes this Schrader repair fitting ?

    Started by Dan_G, 05-25-2022 07:57 PM
    • Replies: 5
    • Views: 497
    05-26-2022, 06:25 AM Go to last post
  28. Trane Voyager R22

    Started by Lddc, 05-19-2022 07:00 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 675
    05-20-2022, 09:24 AM Go to last post
  29. Problem with Freezstat and Control Board

    Started by GoCougs, 07-26-2016 08:58 PM
    • Replies: 12
    • Views: 3,844
    05-19-2022, 05:58 PM Go to last post
  30. Frown Carrier 48TCEA04 Condenser fan issues

    Started by AIS9505, 05-13-2022 04:54 PM
    • Replies: 15
    • Views: 594
    05-19-2022, 04:35 PM Go to last post
  31. RAUCC254 NO CONTROLS

    Started by wildgato, 05-15-2022 01:51 PM
    • Replies: 15
    • Views: 748
    05-17-2022, 09:42 PM Go to last post
  32. Lg multi vrv error code

    Started by anthonyac1, 05-08-2022 11:54 AM
    • Replies: 19
    • Views: 673
    05-17-2022, 12:44 PM Go to last post
  33. 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: 4,903
    05-16-2022, 10:07 PM Go to last post
  34. Trane absorber ABSC228 question

    Started by kbr58, 05-11-2022 06:23 AM
    • Replies: 8
    • Views: 493
    05-13-2022, 07:42 AM Go to last post

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