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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: 6,746
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. HFC Retrofits: POE NOT so Indispensable

    Started by EMETH, 07-21-2013 01:01 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 5,980
    03-26-2014, 04:03 PM Go to last post
  3. Confused mcquay mps set-up questions

    Started by Aircooled81, 03-24-2014 01:43 AM
    • Replies: 3
    • Views: 639
    03-26-2014, 09:36 AM Go to last post
  4. PRODIGY

    Started by refrigeration johnny, 03-24-2014 08:11 PM
    • Replies: 4
    • Views: 787
    03-25-2014, 08:47 PM Go to last post
  5. Drain Pan Refinish

    Started by elamechanical, 03-25-2014 06:55 AM
    • Replies: 2
    • Views: 603
    03-25-2014, 07:37 PM Go to last post
  6. Just line temp.

    Started by the_4rs, 03-12-2014 11:36 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,969
    03-25-2014, 12:12 PM Go to last post
  7. Skymark Skypak's

    Started by cmajerus, 09-25-2013 01:09 PM
    • Replies: 7
    • Views: 2,414
    03-25-2014, 08:52 AM Go to last post
  8. ICE help, No temperature rise

    Started by breegle1313, 01-21-2013 10:38 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 5,480
    03-24-2014, 05:42 PM Go to last post
  9. trane rtu model# YCD240B3HAJB

    Started by tech master, 10-23-2012 01:24 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,770
    03-23-2014, 09:18 PM Go to last post
  10. Leak on HP

    Started by wildgato, 03-22-2014 03:20 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,527
    03-23-2014, 05:59 PM Go to last post
  11. 1992 Flotronic 30GB 045 code 68 problem

    Started by baronpilot, 07-11-2013 11:42 PM
    • Replies: 7
    • Views: 1,195
    03-23-2014, 01:42 PM Go to last post
  12. CCN service tool

    Started by techmigsca, 03-02-2014 08:46 PM
    • Replies: 4
    • Views: 961
    03-22-2014, 10:33 PM Go to last post
  13. trane ych120 backfiring badly

    Started by burto, 03-18-2014 08:37 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,446
    03-22-2014, 08:53 PM Go to last post
  14. anyone seen one of these?

    Started by jamesyarbrough, 03-22-2014 10:29 AM
    • Replies: 6
    • Views: 681
    03-22-2014, 07:20 PM Go to last post
  15. Anyone on Service Channel?

    Started by Grayline, 04-18-2013 11:39 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 3,550
    03-22-2014, 04:45 PM Go to last post
  16. Carrier 30RA chiller return water pressure

    Started by DeltaTech, 03-18-2014 06:05 PM
    • Replies: 9
    • Views: 966
    03-22-2014, 01:31 PM Go to last post
    • Replies: 1
    • Views: 453
    03-22-2014, 10:17 AM Go to last post
  17. unit ventilator

    Started by dave sulz, 03-21-2014 06:04 PM
    • Replies: 1
    • Views: 364
    03-21-2014, 08:50 PM Go to last post
  18. Cool Goodman pkg unit ignition prob

    Started by acpimp, 03-19-2014 04:56 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,540
    03-21-2014, 01:44 PM Go to last post
    • Replies: 7
    • Views: 861
    03-20-2014, 05:31 PM Go to last post
  19. Lochinvar Burner meltdown

    Started by gman994, 03-14-2013 10:19 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,922
    03-20-2014, 12:57 AM Go to last post
  20. York RTU HP M: B2HZ060A25A

    Started by desperado836, 03-17-2014 06:49 PM
    • Replies: 4
    • Views: 964
    03-20-2014, 12:55 AM Go to last post
    • Replies: 11
    • Views: 2,094
    03-18-2014, 11:28 PM Go to last post
  21. lennox L series

    Started by aftech, 03-17-2014 10:29 PM
    • Replies: 12
    • Views: 1,263
    03-18-2014, 09:53 PM Go to last post
  22. Carrier Chiller Condenser Fan Part Number

    Started by lowtech, 03-09-2014 05:34 PM
    • Replies: 5
    • Views: 584
    03-18-2014, 12:28 PM Go to last post
  23. AAON problem

    Started by coolairman, 03-17-2014 06:24 PM
    • Replies: 2
    • Views: 596
    03-17-2014, 10:32 PM Go to last post
  24. a350p johnson controls

    Started by dave sulz, 03-13-2014 11:45 AM
    • Replies: 2
    • Views: 495
    03-17-2014, 07:46 PM Go to last post
  25. Confused Carrier packaged rooftop unit

    Started by JuniorTech77, 02-05-2014 08:39 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,610
    03-17-2014, 07:44 PM Go to last post
  26. York Chiller Low Discharge Superheat

    Started by rpmtx, 03-13-2014 04:04 PM
    • Replies: 4
    • Views: 1,363
    03-17-2014, 11:08 AM Go to last post
  27. Supplemental Heat in Theater

    Started by tonydykes55, 03-11-2014 10:09 PM
    • Replies: 10
    • Views: 907
    03-16-2014, 09:23 PM Go to last post
  28. Understanding Primary Secondary Pumping

    Started by ChadJmpCo, 03-12-2014 02:43 PM
    chilled water, delta t, hvac, pump, pumps, secondary loop systems
    • Replies: 10
    • Views: 1,624
    03-16-2014, 08:06 AM Go to last post
  29. problem with high head pressure

    Started by Davekoz, 01-11-2014 12:36 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 4,217
    03-15-2014, 08:18 AM Go to last post
    • Replies: 5
    • Views: 809
    03-13-2014, 06:16 PM Go to last post
  30. voyager ignition problem

    Started by ductman82, 01-04-2014 09:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,026
    03-13-2014, 06:20 AM Go to last post
  31. Scrolls running wrong direction

    Started by Iceman_pdx, 03-12-2014 08:26 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,381
    03-12-2014, 10:03 PM Go to last post
    • Replies: 2
    • Views: 488
    03-12-2014, 09:04 PM Go to last post
  32. supply grille noise

    Started by hvac17011, 03-11-2014 09:31 PM
    • Replies: 3
    • Views: 572
    03-12-2014, 01:16 PM Go to last post
  33. iTouch Programming Question

    Started by cxagent, 03-08-2014 09:41 PM
    • Replies: 6
    • Views: 575
    03-12-2014, 12:00 AM Go to last post
    • Replies: 0
    • Views: 592
    03-11-2014, 10:33 PM Go to last post
  34. McQuay Fan Coil DB Level

    Started by somaticjon, 03-11-2014 06:07 PM
    • Replies: 1
    • Views: 344
    03-11-2014, 06:09 PM Go to last post
    • Replies: 0
    • Views: 349
    03-11-2014, 02:22 PM Go to last post
  35. JACE to RTU wiring

    Started by aamtech, 03-10-2014 04:10 PM
    • Replies: 2
    • Views: 575
    03-11-2014, 01:26 PM Go to last post
  36. Non-fused vs. fused hvac disconnect

    Started by mennian10, 03-05-2014 05:41 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,986
    03-10-2014, 09:01 PM Go to last post
  37. Why does overcharge lead to excess SH?

    Started by timtanguay, 02-15-2014 05:45 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,600
    03-10-2014, 08:16 PM Go to last post
  38. yaskawa vfd

    Started by ndschmitt1987, 03-08-2014 10:55 AM
    • Replies: 10
    • Views: 1,110
    03-10-2014, 07:34 PM Go to last post
  39. Waveguides and Resonant Cavities

    Started by slapjack52, 03-05-2014 09:47 PM
    • Replies: 12
    • Views: 992
    03-10-2014, 04:21 PM Go to last post
  40. Confused Rooftop HVAC Unit Damper Retrofit

    Started by dixie2005, 03-10-2014 03:58 PM
    • Replies: 0
    • Views: 405
    03-10-2014, 03:58 PM Go to last post
    • Replies: 61
    • Views: 6,814
    03-10-2014, 04:16 AM Go to last post
    • Replies: 7
    • Views: 934
    03-09-2014, 05:09 PM Go to last post
  41. Lennox lga180ss1y

    Started by dbbiker50, 01-04-2014 11:11 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 4,599
    03-09-2014, 03:51 PM Go to last post

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