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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: NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 3,853
    08-10-2011, 04:34 PM Go to last post
  1. trane ych120 backfiring badly

    Started by burto, 03-18-2014 08:37 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 754
    03-22-2014, 08:53 PM Go to last post
  2. anyone seen one of these?

    Started by jamesyarbrough, 03-22-2014 10:29 AM
    • Replies: 6
    • Views: 455
    03-22-2014, 07:20 PM Go to last post
  3. Anyone on Service Channel?

    Started by Grayline, 04-18-2013 11:39 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,056
    03-22-2014, 04:45 PM Go to last post
  4. Carrier 30RA chiller return water pressure

    Started by DeltaTech, 03-18-2014 06:05 PM
    • Replies: 9
    • Views: 497
    03-22-2014, 01:31 PM Go to last post
    • Replies: 1
    • Views: 273
    03-22-2014, 10:17 AM Go to last post
  5. unit ventilator

    Started by dave sulz, 03-21-2014 06:04 PM
    • Replies: 1
    • Views: 227
    03-21-2014, 08:50 PM Go to last post
  6. Cool Goodman pkg unit ignition prob

    Started by acpimp, 03-19-2014 04:56 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 824
    03-21-2014, 01:44 PM Go to last post
    • Replies: 7
    • Views: 521
    03-20-2014, 05:31 PM Go to last post
  7. Lochinvar Burner meltdown

    Started by gman994, 03-14-2013 10:19 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,847
    03-20-2014, 12:57 AM Go to last post
  8. York RTU HP M: B2HZ060A25A

    Started by desperado836, 03-17-2014 06:49 PM
    • Replies: 4
    • Views: 389
    03-20-2014, 12:55 AM Go to last post
    • Replies: 11
    • Views: 1,273
    03-18-2014, 11:28 PM Go to last post
  9. lennox L series

    Started by aftech, 03-17-2014 10:29 PM
    • Replies: 12
    • Views: 610
    03-18-2014, 09:53 PM Go to last post
  10. Carrier Chiller Condenser Fan Part Number

    Started by lowtech, 03-09-2014 05:34 PM
    • Replies: 5
    • Views: 323
    03-18-2014, 12:28 PM Go to last post
  11. AAON problem

    Started by coolairman, 03-17-2014 06:24 PM
    • Replies: 2
    • Views: 378
    03-17-2014, 10:32 PM Go to last post
  12. a350p johnson controls

    Started by dave sulz, 03-13-2014 11:45 AM
    • Replies: 2
    • Views: 290
    03-17-2014, 07:46 PM Go to last post
  13. Confused Carrier packaged rooftop unit

    Started by JuniorTech77, 02-05-2014 07:39 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,542
    03-17-2014, 07:44 PM Go to last post
  14. York Chiller Low Discharge Superheat

    Started by rpmtx, 03-13-2014 04:04 PM
    • Replies: 4
    • Views: 683
    03-17-2014, 11:08 AM Go to last post
  15. Supplemental Heat in Theater

    Started by tonydykes55, 03-11-2014 10:09 PM
    • Replies: 10
    • Views: 474
    03-16-2014, 09:23 PM Go to last post
  16. 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: 962
    03-16-2014, 08:06 AM Go to last post
  17. problem with high head pressure

    Started by Davekoz, 01-10-2014 11:36 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,688
    03-15-2014, 08:18 AM Go to last post
    • Replies: 5
    • Views: 616
    03-13-2014, 06:16 PM Go to last post
  18. voyager ignition problem

    Started by ductman82, 01-04-2014 08:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,701
    03-13-2014, 06:20 AM Go to last post
  19. Scrolls running wrong direction

    Started by Iceman_pdx, 03-12-2014 08:26 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 729
    03-12-2014, 10:03 PM Go to last post
    • Replies: 2
    • Views: 295
    03-12-2014, 09:04 PM Go to last post
  20. supply grille noise

    Started by hvac17011, 03-11-2014 09:31 PM
    • Replies: 3
    • Views: 279
    03-12-2014, 01:16 PM Go to last post
  21. iTouch Programming Question

    Started by cxagent, 03-08-2014 08:41 PM
    • Replies: 6
    • Views: 354
    03-12-2014, 12:00 AM Go to last post
    • Replies: 0
    • Views: 269
    03-11-2014, 10:33 PM Go to last post
  22. McQuay Fan Coil DB Level

    Started by somaticjon, 03-11-2014 06:07 PM
    • Replies: 1
    • Views: 163
    03-11-2014, 06:09 PM Go to last post
    • Replies: 0
    • Views: 185
    03-11-2014, 02:22 PM Go to last post
  23. JACE to RTU wiring

    Started by aamtech, 03-10-2014 04:10 PM
    • Replies: 2
    • Views: 338
    03-11-2014, 01:26 PM Go to last post
  24. Non-fused vs. fused hvac disconnect

    Started by mennian10, 03-05-2014 04:41 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,491
    03-10-2014, 09:01 PM Go to last post
  25. Why does overcharge lead to excess SH?

    Started by timtanguay, 02-15-2014 04:45 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,580
    03-10-2014, 08:16 PM Go to last post
  26. yaskawa vfd

    Started by ndschmitt1987, 03-08-2014 09:55 AM
    • Replies: 10
    • Views: 474
    03-10-2014, 07:34 PM Go to last post
  27. Waveguides and Resonant Cavities

    Started by slapjack52, 03-05-2014 08:47 PM
    • Replies: 12
    • Views: 496
    03-10-2014, 04:21 PM Go to last post
  28. Confused Rooftop HVAC Unit Damper Retrofit

    Started by dixie2005, 03-10-2014 03:58 PM
    • Replies: 0
    • Views: 226
    03-10-2014, 03:58 PM Go to last post
    • Replies: 61
    • Views: 4,392
    03-10-2014, 04:16 AM Go to last post
    • Replies: 7
    • Views: 559
    03-09-2014, 05:09 PM Go to last post
  29. Lennox lga180ss1y

    Started by dbbiker50, 01-04-2014 10:11 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 1,901
    03-09-2014, 03:51 PM Go to last post
  30. Duct Sox cleaning

    Started by Cbssteve, 03-08-2014 08:26 PM
    • Replies: 5
    • Views: 333
    03-09-2014, 12:22 PM Go to last post
    • Replies: 9
    • Views: 592
    03-08-2014, 11:18 PM Go to last post
  31. carrier 48tctd14b2g5a0k1f0

    Started by ndschmitt1987, 02-26-2014 11:01 PM
    • Replies: 7
    • Views: 504
    03-08-2014, 09:58 AM Go to last post
  32. Data Aire DAAU-2834

    Started by BeEasy49, 03-01-2014 04:06 PM
    • Replies: 2
    • Views: 381
    03-08-2014, 07:18 AM Go to last post
  33. guardian heat pump condensor

    Started by phaseonemax, 03-07-2014 02:43 PM
    • Replies: 3
    • Views: 293
    03-07-2014, 03:59 PM Go to last post
  34. CLO broads

    Started by Dmasley, 03-07-2014 01:14 AM
    • Replies: 3
    • Views: 351
    03-07-2014, 03:42 PM Go to last post
  35. York YCCH193L

    Started by timster2833, 03-03-2014 05:12 PM
    • Replies: 5
    • Views: 308
    03-06-2014, 02:40 PM Go to last post
  36. Everything is fine until you see the magic smoke. AAon RTU

    Started by Dsycutter, 12-19-2013 10:35 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 2,732
    03-06-2014, 11:35 AM Go to last post
  37. Cracked Heat Exchanger Policy

    Started by jabeu, 02-17-2014 04:09 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 1,988
    03-06-2014, 07:52 AM Go to last post
  38. GSC 10 TON RTU ROLLOUT SWITCH

    Started by QTEMP, 03-05-2014 07:38 AM
    • Replies: 1
    • Views: 307
    03-06-2014, 07:05 AM Go to last post
  39. Modine MUA

    Started by mirfgtech, 02-21-2014 03:11 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 2,036
    03-05-2014, 10:31 PM Go to last post

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