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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: 4,066
    08-10-2011, 04:34 PM Go to last post
    • Replies: 7
    • Views: 559
    03-20-2014, 05:31 PM Go to last post
  1. Lochinvar Burner meltdown

    Started by gman994, 03-14-2013 10:19 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,932
    03-20-2014, 12:57 AM Go to last post
  2. York RTU HP M: B2HZ060A25A

    Started by desperado836, 03-17-2014 06:49 PM
    • Replies: 4
    • Views: 428
    03-20-2014, 12:55 AM Go to last post
    • Replies: 11
    • Views: 1,358
    03-18-2014, 11:28 PM Go to last post
  3. lennox L series

    Started by aftech, 03-17-2014 10:29 PM
    • Replies: 12
    • Views: 674
    03-18-2014, 09:53 PM Go to last post
  4. Carrier Chiller Condenser Fan Part Number

    Started by lowtech, 03-09-2014 05:34 PM
    • Replies: 5
    • Views: 337
    03-18-2014, 12:28 PM Go to last post
  5. AAON problem

    Started by coolairman, 03-17-2014 06:24 PM
    • Replies: 2
    • Views: 411
    03-17-2014, 10:32 PM Go to last post
  6. a350p johnson controls

    Started by dave sulz, 03-13-2014 11:45 AM
    • Replies: 2
    • Views: 325
    03-17-2014, 07:46 PM Go to last post
  7. Confused Carrier packaged rooftop unit

    Started by JuniorTech77, 02-05-2014 07:39 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,640
    03-17-2014, 07:44 PM Go to last post
  8. York Chiller Low Discharge Superheat

    Started by rpmtx, 03-13-2014 04:04 PM
    • Replies: 4
    • Views: 760
    03-17-2014, 11:08 AM Go to last post
  9. Supplemental Heat in Theater

    Started by tonydykes55, 03-11-2014 10:09 PM
    • Replies: 10
    • Views: 517
    03-16-2014, 09:23 PM Go to last post
  10. 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: 1,061
    03-16-2014, 08:06 AM Go to last post
  11. problem with high head pressure

    Started by Davekoz, 01-10-2014 11:36 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,826
    03-15-2014, 08:18 AM Go to last post
    • Replies: 5
    • Views: 638
    03-13-2014, 06:16 PM Go to last post
  12. voyager ignition problem

    Started by ductman82, 01-04-2014 08:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,797
    03-13-2014, 06:20 AM Go to last post
  13. Scrolls running wrong direction

    Started by Iceman_pdx, 03-12-2014 08:26 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 802
    03-12-2014, 10:03 PM Go to last post
    • Replies: 2
    • Views: 309
    03-12-2014, 09:04 PM Go to last post
  14. supply grille noise

    Started by hvac17011, 03-11-2014 09:31 PM
    • Replies: 3
    • Views: 310
    03-12-2014, 01:16 PM Go to last post
  15. iTouch Programming Question

    Started by cxagent, 03-08-2014 08:41 PM
    • Replies: 6
    • Views: 388
    03-12-2014, 12:00 AM Go to last post
    • Replies: 0
    • Views: 297
    03-11-2014, 10:33 PM Go to last post
  16. McQuay Fan Coil DB Level

    Started by somaticjon, 03-11-2014 06:07 PM
    • Replies: 1
    • Views: 184
    03-11-2014, 06:09 PM Go to last post
    • Replies: 0
    • Views: 199
    03-11-2014, 02:22 PM Go to last post
  17. JACE to RTU wiring

    Started by aamtech, 03-10-2014 04:10 PM
    • Replies: 2
    • Views: 359
    03-11-2014, 01:26 PM Go to last post
  18. Non-fused vs. fused hvac disconnect

    Started by mennian10, 03-05-2014 04:41 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,609
    03-10-2014, 09:01 PM Go to last post
  19. Why does overcharge lead to excess SH?

    Started by timtanguay, 02-15-2014 04:45 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,723
    03-10-2014, 08:16 PM Go to last post
  20. yaskawa vfd

    Started by ndschmitt1987, 03-08-2014 09:55 AM
    • Replies: 10
    • Views: 539
    03-10-2014, 07:34 PM Go to last post
  21. Waveguides and Resonant Cavities

    Started by slapjack52, 03-05-2014 08:47 PM
    • Replies: 12
    • Views: 531
    03-10-2014, 04:21 PM Go to last post
  22. Confused Rooftop HVAC Unit Damper Retrofit

    Started by dixie2005, 03-10-2014 03:58 PM
    • Replies: 0
    • Views: 240
    03-10-2014, 03:58 PM Go to last post
    • Replies: 61
    • Views: 4,503
    03-10-2014, 04:16 AM Go to last post
    • Replies: 7
    • Views: 603
    03-09-2014, 05:09 PM Go to last post
  23. Lennox lga180ss1y

    Started by dbbiker50, 01-04-2014 10:11 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,099
    03-09-2014, 03:51 PM Go to last post
  24. Duct Sox cleaning

    Started by Cbssteve, 03-08-2014 08:26 PM
    • Replies: 5
    • Views: 383
    03-09-2014, 12:22 PM Go to last post
    • Replies: 9
    • Views: 635
    03-08-2014, 11:18 PM Go to last post
  25. carrier 48tctd14b2g5a0k1f0

    Started by ndschmitt1987, 02-26-2014 11:01 PM
    • Replies: 7
    • Views: 542
    03-08-2014, 09:58 AM Go to last post
  26. Data Aire DAAU-2834

    Started by BeEasy49, 03-01-2014 04:06 PM
    • Replies: 2
    • Views: 411
    03-08-2014, 07:18 AM Go to last post
  27. guardian heat pump condensor

    Started by phaseonemax, 03-07-2014 02:43 PM
    • Replies: 3
    • Views: 307
    03-07-2014, 03:59 PM Go to last post
  28. CLO broads

    Started by Dmasley, 03-07-2014 01:14 AM
    • Replies: 3
    • Views: 381
    03-07-2014, 03:42 PM Go to last post
  29. York YCCH193L

    Started by timster2833, 03-03-2014 05:12 PM
    • Replies: 5
    • Views: 350
    03-06-2014, 02:40 PM Go to last post
  30. 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: 3,043
    03-06-2014, 11:35 AM Go to last post
  31. Cracked Heat Exchanger Policy

    Started by jabeu, 02-17-2014 04:09 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,145
    03-06-2014, 07:52 AM Go to last post
  32. GSC 10 TON RTU ROLLOUT SWITCH

    Started by QTEMP, 03-05-2014 07:38 AM
    • Replies: 1
    • Views: 321
    03-06-2014, 07:05 AM Go to last post
  33. Modine MUA

    Started by mirfgtech, 02-21-2014 03:11 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 2,245
    03-05-2014, 10:31 PM Go to last post
  34. ice hdtm 400hey

    Started by dosselmann, 03-05-2014 08:44 PM
    • Replies: 0
    • Views: 204
    03-05-2014, 08:44 PM Go to last post
  35. Aaon combustion motor

    Started by carman, 02-21-2014 04:28 PM
    • Replies: 5
    • Views: 583
    03-05-2014, 05:12 PM Go to last post
  36. Freezer noise after defrost

    Started by eddie-boyz1, 03-03-2014 12:59 PM
    • Replies: 6
    • Views: 451
    03-04-2014, 05:37 AM Go to last post
  37. transformers

    Started by marchvac, 02-17-2014 09:08 PM
    • Replies: 12
    • Views: 1,165
    03-03-2014, 10:01 PM Go to last post
  38. HTN Natural Gas pressure boiler/water heater

    Started by turbo50mike, 03-02-2014 09:06 PM
    • Replies: 4
    • Views: 425
    03-03-2014, 08:58 PM Go to last post
  39. Pfannenberg Cabinet Cooler

    Started by hands, 03-01-2014 02:00 PM
    • Replies: 4
    • Views: 375
    03-03-2014, 08:47 PM Go to last post
  40. LG ARU8096BT2 PROBLEMS

    Started by thirty years, 02-26-2014 06:18 PM
    • Replies: 3
    • Views: 338
    03-03-2014, 07:01 PM Go to last post

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