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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: 6,140
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Micro_Channel_coils and the proper TXV

    Started by toptech, 05-29-2014 10:04 PM
    • Replies: 2
    • Views: 435
    05-30-2014, 06:42 PM Go to last post
  3. trane roof top package units

    Started by luxx, 05-28-2014 09:55 PM
    • Replies: 4
    • Views: 649
    05-30-2014, 06:37 PM Go to last post
  4. Rtu and digicools.

    Started by 11crv, 05-29-2014 08:34 PM
    • Replies: 7
    • Views: 646
    05-30-2014, 12:46 PM Go to last post
  5. Need help from Pro* member

    Started by BBeerme, 05-18-2014 03:59 PM
    • Replies: 5
    • Views: 930
    05-29-2014, 10:33 PM Go to last post
  6. replacing trane blower bearings

    Started by aftech, 05-28-2014 10:22 PM
    • Replies: 5
    • Views: 586
    05-29-2014, 06:33 PM Go to last post
  7. Evaporator height and subcooling

    Started by mjohnson2981, 05-26-2014 01:27 PM
    • Replies: 3
    • Views: 546
    05-29-2014, 10:40 AM Go to last post
  8. Manifold Flare Fittings, 37 or 45 degree?

    Started by Dayton, 05-28-2014 07:09 PM
    • Replies: 5
    • Views: 726
    05-29-2014, 09:19 AM Go to last post
    • Replies: 0
    • Views: 336
    05-28-2014, 11:55 PM Go to last post
  9. Commercial Carrier Rooftop Electric Heat

    Started by corny, 02-02-2014 05:11 AM
    • Replies: 4
    • Views: 657
    05-28-2014, 10:47 PM Go to last post
  10. Quick pressure question

    Started by Loki, 05-28-2014 05:49 PM
    • Replies: 7
    • Views: 723
    05-28-2014, 10:40 PM Go to last post
  11. DVMS

    Started by jeremyr325, 05-28-2014 09:35 PM
    • Replies: 0
    • Views: 331
    05-28-2014, 09:35 PM Go to last post
  12. York RTU water leaks

    Started by n-e-w Jerz!, 05-28-2014 09:35 AM
    • Replies: 1
    • Views: 399
    05-28-2014, 10:50 AM Go to last post
  13. Chiller training

    Started by sloppyjoe1, 05-24-2014 12:07 AM
    • Replies: 7
    • Views: 697
    05-27-2014, 11:09 PM Go to last post
  14. Trane "E" compressors

    Started by valdelocc, 05-27-2014 06:46 PM
    • Replies: 3
    • Views: 588
    05-27-2014, 10:58 PM Go to last post
  15. Confused Mist Eliminators and Airflow Measurement

    Started by aurochs, 05-26-2014 09:16 PM
    • Replies: 8
    • Views: 1,247
    05-27-2014, 07:43 PM Go to last post
  16. Percival incubators

    Started by shipwreck, 05-26-2014 10:03 PM
    • Replies: 3
    • Views: 406
    05-27-2014, 01:01 AM Go to last post
    • Replies: 10
    • Views: 494
    05-26-2014, 11:39 AM Go to last post
  17. Happy Memorial Day!!

    Started by jayguy, 05-26-2014 11:16 AM
    • Replies: 0
    • Views: 269
    05-26-2014, 11:16 AM Go to last post
  18. any other Nest thermostat problem reported?

    Started by cfe, 05-23-2014 12:17 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,588
    05-26-2014, 08:08 AM Go to last post
  19. rooftop ahu's

    Started by captaincompressor, 05-24-2014 11:18 PM
    • Replies: 7
    • Views: 704
    05-25-2014, 09:13 AM Go to last post
  20. Duct Sizing (Length)

    Started by arandarichardv, 05-25-2014 02:15 AM
    • Replies: 1
    • Views: 780
    05-25-2014, 05:41 AM Go to last post
  21. mitsubishi ductless splits

    Started by andyboy, 05-19-2014 06:23 AM
    • Replies: 7
    • Views: 630
    05-25-2014, 12:33 AM Go to last post
  22. Self Employment

    Started by sloppyjoe1, 05-24-2014 12:19 AM
    • Replies: 9
    • Views: 758
    05-25-2014, 12:06 AM Go to last post
  23. Air flow question

    Started by DeltaTech, 05-20-2014 03:15 PM
    • Replies: 4
    • Views: 655
    05-24-2014, 09:15 PM Go to last post
  24. Testing a 600v compressor

    Started by Lennox Tech, 05-15-2014 10:19 AM
    • Replies: 10
    • Views: 853
    05-24-2014, 09:05 PM Go to last post
  25. PM check list

    Started by mccann, 05-15-2014 07:41 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,627
    05-24-2014, 08:54 PM Go to last post
  26. Mcquay Chiller low oil level alarm

    Started by Macktech, 05-20-2014 02:59 PM
    • Replies: 5
    • Views: 711
    05-24-2014, 07:58 PM Go to last post
  27. Trane RTU with power exhaust wiring

    Started by chr358, 05-24-2014 06:40 AM
    • Replies: 1
    • Views: 514
    05-24-2014, 09:05 AM Go to last post
    • Replies: 2
    • Views: 447
    05-23-2014, 07:51 PM Go to last post
  28. Ddc retofit

    Started by emtim, 05-23-2014 07:46 AM
    • Replies: 1
    • Views: 368
    05-23-2014, 07:48 AM Go to last post
  29. Carrier 38APD Liquid flood back

    Started by targetman, 05-21-2014 05:58 PM
    • Replies: 5
    • Views: 767
    05-22-2014, 11:19 PM Go to last post
  30. Retired

    Started by servicefitter, 05-20-2014 03:37 PM
    • Replies: 6
    • Views: 838
    05-22-2014, 08:40 PM Go to last post
  31. Lightbulb Exhaust Fan Schedule - Fan rpm vs motor rpm

    Started by someone1, 05-13-2014 02:06 PM
    • Replies: 2
    • Views: 470
    05-22-2014, 06:07 PM Go to last post
  32. 96 era Carrier 180 ton Flotronic Chiller

    Started by Want to Learn, 05-17-2014 03:08 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 981
    05-22-2014, 03:08 PM Go to last post
  33. Confused VAV min. max. CFM

    Started by Louie74, 05-21-2014 02:24 PM
    • Replies: 5
    • Views: 1,183
    05-22-2014, 11:51 AM Go to last post
  34. Carrier RTU parts list

    Started by fr420, 05-21-2014 11:04 PM
    • Replies: 1
    • Views: 558
    05-21-2014, 11:18 PM Go to last post
  35. York BBCB-FO36 Weight

    Started by DeltaT, 05-20-2014 10:27 PM
    • Replies: 5
    • Views: 520
    05-21-2014, 10:25 PM Go to last post
  36. Proper vaccum/Charge

    Started by lethal52, 04-03-2014 09:54 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,864
    05-21-2014, 09:32 PM Go to last post
  37. Intellipak/VAV question. . .?

    Started by HvacJaystl, 05-16-2014 07:11 PM
    • Replies: 1
    • Views: 396
    05-21-2014, 08:14 PM Go to last post
  38. Issue With Evacuation - Wont Go Below 1700 and Pressure Test OK??

    Started by Techman9, 05-17-2014 03:10 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,173
    05-20-2014, 08:56 PM Go to last post
  39. Need help with a Lennox l series 10 tin rtu

    Started by rob boggess, 05-18-2014 04:38 PM
    • Replies: 8
    • Views: 704
    05-20-2014, 08:43 PM Go to last post
  40. Building pressure control

    Started by hvacme, 05-16-2014 05:59 AM
    • Replies: 11
    • Views: 961
    05-20-2014, 07:30 PM Go to last post
  41. face velocity formula

    Started by oldtimer2, 08-23-2010 04:54 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 15,420
    05-20-2014, 01:39 AM Go to last post
    • Replies: 26
    • Views: 2,293
    05-20-2014, 12:25 AM Go to last post
    • Replies: 3
    • Views: 546
    05-19-2014, 04:31 PM Go to last post
    • Replies: 16
    • Views: 1,180
    05-19-2014, 09:01 AM Go to last post
  42. Confused Goodman Performance Issue(s)

    Started by Smithmd1977, 05-05-2014 11:34 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,634
    05-18-2014, 03:27 PM Go to last post
  43. smoke out of the registers

    Started by BEZHeating, 05-08-2014 09:19 PM
    • Replies: 7
    • Views: 548
    05-18-2014, 12:11 PM Go to last post
  44. What is the value of an installer?

    Started by ronjeremy85, 05-09-2014 09:53 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,732
    05-17-2014, 10:03 PM Go to last post
  45. vfd with blank display on voyager

    Started by burto, 05-14-2014 08:00 PM
    • Replies: 5
    • Views: 554
    05-17-2014, 06:52 PM Go to last post

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