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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: 4,198
    08-10-2011, 04:34 PM Go to last post
  1. Micro_Channel_coils and the proper TXV

    Started by toptech, 05-29-2014 10:04 PM
    • Replies: 2
    • Views: 353
    05-30-2014, 06:42 PM Go to last post
  2. trane roof top package units

    Started by luxx, 05-28-2014 09:55 PM
    • Replies: 4
    • Views: 505
    05-30-2014, 06:37 PM Go to last post
  3. Rtu and digicools.

    Started by 11crv, 05-29-2014 08:34 PM
    • Replies: 7
    • Views: 414
    05-30-2014, 12:46 PM Go to last post
  4. Need help from Pro* member

    Started by BBeerme, 05-18-2014 03:59 PM
    • Replies: 5
    • Views: 674
    05-29-2014, 10:33 PM Go to last post
  5. replacing trane blower bearings

    Started by aftech, 05-28-2014 10:22 PM
    • Replies: 5
    • Views: 421
    05-29-2014, 06:33 PM Go to last post
  6. Evaporator height and subcooling

    Started by mjohnson2981, 05-26-2014 01:27 PM
    • Replies: 3
    • Views: 446
    05-29-2014, 10:40 AM Go to last post
  7. Manifold Flare Fittings, 37 or 45 degree?

    Started by Dayton, 05-28-2014 07:09 PM
    • Replies: 5
    • Views: 470
    05-29-2014, 09:19 AM Go to last post
    • Replies: 0
    • Views: 270
    05-28-2014, 11:55 PM Go to last post
  8. Commercial Carrier Rooftop Electric Heat

    Started by corny, 02-02-2014 04:11 AM
    • Replies: 4
    • Views: 534
    05-28-2014, 10:47 PM Go to last post
  9. Quick pressure question

    Started by Loki, 05-28-2014 05:49 PM
    • Replies: 7
    • Views: 525
    05-28-2014, 10:40 PM Go to last post
  10. DVMS

    Started by jeremyr325, 05-28-2014 09:35 PM
    • Replies: 0
    • Views: 209
    05-28-2014, 09:35 PM Go to last post
  11. York RTU water leaks

    Started by n-e-w Jerz!, 05-28-2014 09:35 AM
    • Replies: 1
    • Views: 259
    05-28-2014, 10:50 AM Go to last post
  12. Chiller training

    Started by sloppyjoe1, 05-24-2014 12:07 AM
    • Replies: 7
    • Views: 500
    05-27-2014, 11:09 PM Go to last post
  13. Trane "E" compressors

    Started by valdelocc, 05-27-2014 06:46 PM
    • Replies: 3
    • Views: 384
    05-27-2014, 10:58 PM Go to last post
  14. Confused Mist Eliminators and Airflow Measurement

    Started by aurochs, 05-26-2014 09:16 PM
    • Replies: 8
    • Views: 572
    05-27-2014, 07:43 PM Go to last post
  15. Percival incubators

    Started by shipwreck, 05-26-2014 10:03 PM
    • Replies: 3
    • Views: 275
    05-27-2014, 01:01 AM Go to last post
    • Replies: 10
    • Views: 333
    05-26-2014, 11:39 AM Go to last post
  16. Happy Memorial Day!!

    Started by jayguy, 05-26-2014 11:16 AM
    • Replies: 0
    • Views: 207
    05-26-2014, 11:16 AM Go to last post
  17. any other Nest thermostat problem reported?

    Started by cfe, 05-23-2014 12:17 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,061
    05-26-2014, 08:08 AM Go to last post
  18. rooftop ahu's

    Started by captaincompressor, 05-24-2014 11:18 PM
    • Replies: 7
    • Views: 512
    05-25-2014, 09:13 AM Go to last post
  19. Duct Sizing (Length)

    Started by arandarichardv, 05-25-2014 02:15 AM
    • Replies: 1
    • Views: 512
    05-25-2014, 05:41 AM Go to last post
  20. mitsubishi ductless splits

    Started by andyboy, 05-19-2014 06:23 AM
    • Replies: 7
    • Views: 459
    05-25-2014, 12:33 AM Go to last post
  21. Self Employment

    Started by sloppyjoe1, 05-24-2014 12:19 AM
    • Replies: 9
    • Views: 491
    05-25-2014, 12:06 AM Go to last post
  22. Air flow question

    Started by DeltaTech, 05-20-2014 03:15 PM
    • Replies: 4
    • Views: 489
    05-24-2014, 09:15 PM Go to last post
  23. Testing a 600v compressor

    Started by Lennox Tech, 05-15-2014 10:19 AM
    • Replies: 10
    • Views: 636
    05-24-2014, 09:05 PM Go to last post
  24. PM check list

    Started by mccann, 05-15-2014 07:41 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,132
    05-24-2014, 08:54 PM Go to last post
  25. Mcquay Chiller low oil level alarm

    Started by Macktech, 05-20-2014 02:59 PM
    • Replies: 5
    • Views: 421
    05-24-2014, 07:58 PM Go to last post
  26. Trane RTU with power exhaust wiring

    Started by chr358, 05-24-2014 06:40 AM
    • Replies: 1
    • Views: 306
    05-24-2014, 09:05 AM Go to last post
    • Replies: 2
    • Views: 318
    05-23-2014, 07:51 PM Go to last post
  27. Ddc retofit

    Started by emtim, 05-23-2014 07:46 AM
    • Replies: 1
    • Views: 260
    05-23-2014, 07:48 AM Go to last post
  28. Carrier 38APD Liquid flood back

    Started by targetman, 05-21-2014 05:58 PM
    • Replies: 5
    • Views: 496
    05-22-2014, 11:19 PM Go to last post
  29. Retired

    Started by servicefitter, 05-20-2014 03:37 PM
    • Replies: 6
    • Views: 635
    05-22-2014, 08:40 PM Go to last post
  30. Lightbulb Exhaust Fan Schedule - Fan rpm vs motor rpm

    Started by someone1, 05-13-2014 02:06 PM
    • Replies: 2
    • Views: 316
    05-22-2014, 06:07 PM Go to last post
  31. 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: 668
    05-22-2014, 03:08 PM Go to last post
  32. Confused VAV min. max. CFM

    Started by Louie74, 05-21-2014 02:24 PM
    • Replies: 5
    • Views: 592
    05-22-2014, 11:51 AM Go to last post
  33. Carrier RTU parts list

    Started by fr420, 05-21-2014 11:04 PM
    • Replies: 1
    • Views: 267
    05-21-2014, 11:18 PM Go to last post
  34. York BBCB-FO36 Weight

    Started by DeltaT, 05-20-2014 10:27 PM
    • Replies: 5
    • Views: 264
    05-21-2014, 10:25 PM Go to last post
  35. Proper vaccum/Charge

    Started by lethal52, 04-03-2014 09:54 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,409
    05-21-2014, 09:32 PM Go to last post
  36. Intellipak/VAV question. . .?

    Started by HvacJaystl, 05-16-2014 07:11 PM
    • Replies: 1
    • Views: 308
    05-21-2014, 08:14 PM Go to last post
  37. 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: 917
    05-20-2014, 08:56 PM Go to last post
  38. Need help with a Lennox l series 10 tin rtu

    Started by rob boggess, 05-18-2014 04:38 PM
    • Replies: 8
    • Views: 509
    05-20-2014, 08:43 PM Go to last post
  39. Building pressure control

    Started by hvacme, 05-16-2014 05:59 AM
    • Replies: 11
    • Views: 596
    05-20-2014, 07:30 PM Go to last post
  40. face velocity formula

    Started by oldtimer2, 08-23-2010 04:54 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 12,409
    05-20-2014, 01:39 AM Go to last post
    • Replies: 26
    • Views: 1,428
    05-20-2014, 12:25 AM Go to last post
    • Replies: 3
    • Views: 427
    05-19-2014, 04:31 PM Go to last post
    • Replies: 16
    • Views: 815
    05-19-2014, 09:01 AM Go to last post
  41. Confused Goodman Performance Issue(s)

    Started by Smithmd1977, 05-05-2014 11:34 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,121
    05-18-2014, 03:27 PM Go to last post
  42. smoke out of the registers

    Started by BEZHeating, 05-08-2014 09:19 PM
    • Replies: 7
    • Views: 425
    05-18-2014, 12:11 PM Go to last post
  43. What is the value of an installer?

    Started by ronjeremy85, 05-09-2014 09:53 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,248
    05-17-2014, 10:03 PM Go to last post
  44. vfd with blank display on voyager

    Started by burto, 05-14-2014 08:00 PM
    • Replies: 5
    • Views: 393
    05-17-2014, 06:52 PM Go to last post

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