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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: 6,319
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Confused Trane 20 ton voyager ll

    Started by Ri-charge, 03-21-2014 01:28 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,269
    03-29-2014, 08:36 AM Go to last post
  3. semi hermetic

    Started by njtinman, 03-27-2014 09:15 PM
    • Replies: 7
    • Views: 664
    03-28-2014, 05:56 PM Go to last post
  4. carrier 5 ton

    Started by phaseonemax, 03-28-2014 02:03 PM
    • Replies: 5
    • Views: 614
    03-28-2014, 05:49 PM Go to last post
  5. refrigerant piping question

    Started by Jason Grossman, 03-26-2014 05:47 PM
    • Replies: 7
    • Views: 1,396
    03-27-2014, 04:08 PM Go to last post
  6. Through wall spiral duct

    Started by Dehno, 02-17-2014 12:31 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,346
    03-26-2014, 10:52 PM Go to last post
  7. Hotel laundry room

    Started by air flow, 03-26-2014 09:46 PM
    • Replies: 0
    • Views: 455
    03-26-2014, 09:46 PM Go to last post
  8. liebert rep

    Started by energy mech, 02-11-2014 04:27 PM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 6,785
    03-26-2014, 09:01 PM Go to last post
  9. HFC Retrofits: POE NOT so Indispensable

    Started by EMETH, 07-21-2013 01:01 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 5,750
    03-26-2014, 04:03 PM Go to last post
  10. Confused mcquay mps set-up questions

    Started by Aircooled81, 03-24-2014 01:43 AM
    • Replies: 3
    • Views: 606
    03-26-2014, 09:36 AM Go to last post
  11. PRODIGY

    Started by refrigeration johnny, 03-24-2014 08:11 PM
    • Replies: 4
    • Views: 735
    03-25-2014, 08:47 PM Go to last post
  12. Drain Pan Refinish

    Started by elamechanical, 03-25-2014 06:55 AM
    • Replies: 2
    • Views: 587
    03-25-2014, 07:37 PM Go to last post
  13. Just line temp.

    Started by the_4rs, 03-12-2014 11:36 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,784
    03-25-2014, 12:12 PM Go to last post
  14. Skymark Skypak's

    Started by cmajerus, 09-25-2013 01:09 PM
    • Replies: 7
    • Views: 2,265
    03-25-2014, 08:52 AM Go to last post
  15. ICE help, No temperature rise

    Started by breegle1313, 01-21-2013 10:38 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 5,128
    03-24-2014, 05:42 PM Go to last post
  16. trane rtu model# YCD240B3HAJB

    Started by tech master, 10-23-2012 01:24 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,546
    03-23-2014, 09:18 PM Go to last post
  17. Leak on HP

    Started by wildgato, 03-22-2014 03:20 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,435
    03-23-2014, 05:59 PM Go to last post
  18. 1992 Flotronic 30GB 045 code 68 problem

    Started by baronpilot, 07-11-2013 11:42 PM
    • Replies: 7
    • Views: 1,133
    03-23-2014, 01:42 PM Go to last post
  19. CCN service tool

    Started by techmigsca, 03-02-2014 08:46 PM
    • Replies: 4
    • Views: 900
    03-22-2014, 10:33 PM Go to last post
  20. trane ych120 backfiring badly

    Started by burto, 03-18-2014 08:37 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,345
    03-22-2014, 08:53 PM Go to last post
  21. anyone seen one of these?

    Started by jamesyarbrough, 03-22-2014 10:29 AM
    • Replies: 6
    • Views: 659
    03-22-2014, 07:20 PM Go to last post
  22. Anyone on Service Channel?

    Started by Grayline, 04-18-2013 11:39 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 3,233
    03-22-2014, 04:45 PM Go to last post
  23. Carrier 30RA chiller return water pressure

    Started by DeltaTech, 03-18-2014 06:05 PM
    • Replies: 9
    • Views: 853
    03-22-2014, 01:31 PM Go to last post
    • Replies: 1
    • Views: 432
    03-22-2014, 10:17 AM Go to last post
  24. unit ventilator

    Started by dave sulz, 03-21-2014 06:04 PM
    • Replies: 1
    • Views: 350
    03-21-2014, 08:50 PM Go to last post
  25. Cool Goodman pkg unit ignition prob

    Started by acpimp, 03-19-2014 04:56 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,456
    03-21-2014, 01:44 PM Go to last post
    • Replies: 7
    • Views: 796
    03-20-2014, 05:31 PM Go to last post
  26. Lochinvar Burner meltdown

    Started by gman994, 03-14-2013 10:19 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,704
    03-20-2014, 12:57 AM Go to last post
  27. York RTU HP M: B2HZ060A25A

    Started by desperado836, 03-17-2014 06:49 PM
    • Replies: 4
    • Views: 891
    03-20-2014, 12:55 AM Go to last post
    • Replies: 11
    • Views: 2,032
    03-18-2014, 11:28 PM Go to last post
  28. lennox L series

    Started by aftech, 03-17-2014 10:29 PM
    • Replies: 12
    • Views: 1,160
    03-18-2014, 09:53 PM Go to last post
  29. Carrier Chiller Condenser Fan Part Number

    Started by lowtech, 03-09-2014 05:34 PM
    • Replies: 5
    • Views: 510
    03-18-2014, 12:28 PM Go to last post
  30. AAON problem

    Started by coolairman, 03-17-2014 06:24 PM
    • Replies: 2
    • Views: 573
    03-17-2014, 10:32 PM Go to last post
  31. a350p johnson controls

    Started by dave sulz, 03-13-2014 11:45 AM
    • Replies: 2
    • Views: 465
    03-17-2014, 07:46 PM Go to last post
  32. Confused Carrier packaged rooftop unit

    Started by JuniorTech77, 02-05-2014 08:39 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,458
    03-17-2014, 07:44 PM Go to last post
  33. York Chiller Low Discharge Superheat

    Started by rpmtx, 03-13-2014 04:04 PM
    • Replies: 4
    • Views: 1,274
    03-17-2014, 11:08 AM Go to last post
  34. Supplemental Heat in Theater

    Started by tonydykes55, 03-11-2014 10:09 PM
    • Replies: 10
    • Views: 860
    03-16-2014, 09:23 PM Go to last post
  35. 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: 1,557
    03-16-2014, 08:06 AM Go to last post
  36. problem with high head pressure

    Started by Davekoz, 01-11-2014 12:36 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 3,887
    03-15-2014, 08:18 AM Go to last post
    • Replies: 5
    • Views: 789
    03-13-2014, 06:16 PM Go to last post
  37. voyager ignition problem

    Started by ductman82, 01-04-2014 09:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,784
    03-13-2014, 06:20 AM Go to last post
  38. Scrolls running wrong direction

    Started by Iceman_pdx, 03-12-2014 08:26 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,296
    03-12-2014, 10:03 PM Go to last post
    • Replies: 2
    • Views: 466
    03-12-2014, 09:04 PM Go to last post
  39. supply grille noise

    Started by hvac17011, 03-11-2014 09:31 PM
    • Replies: 3
    • Views: 525
    03-12-2014, 01:16 PM Go to last post
  40. iTouch Programming Question

    Started by cxagent, 03-08-2014 09:41 PM
    • Replies: 6
    • Views: 548
    03-12-2014, 12:00 AM Go to last post
    • Replies: 0
    • Views: 549
    03-11-2014, 10:33 PM Go to last post
  41. McQuay Fan Coil DB Level

    Started by somaticjon, 03-11-2014 06:07 PM
    • Replies: 1
    • Views: 314
    03-11-2014, 06:09 PM Go to last post
    • Replies: 0
    • Views: 320
    03-11-2014, 02:22 PM Go to last post
  42. JACE to RTU wiring

    Started by aamtech, 03-10-2014 04:10 PM
    • Replies: 2
    • Views: 539
    03-11-2014, 01:26 PM Go to last post
  43. Non-fused vs. fused hvac disconnect

    Started by mennian10, 03-05-2014 05:41 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,786
    03-10-2014, 09:01 PM Go to last post

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