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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: 8,451
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Question Chiller Selection (Screw Vs Centrifugal)

    Started by rashid, 03-31-2016 08:26 AM
    • Replies: 8
    • Views: 539
    04-09-2016, 11:27 AM Go to last post
  3. Help with duct smoke detector

    Started by Bigpapi08, 09-04-2012 01:24 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,699
    04-08-2016, 08:34 AM Go to last post
  4. Vari-Trane VAV noise

    Started by tchntch, 12-08-2012 10:46 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 7,068
    04-08-2016, 04:17 AM Go to last post
  5. software

    Started by dkalasz, 04-06-2016 04:17 AM
    • Replies: 2
    • Views: 275
    04-08-2016, 12:26 AM Go to last post
  6. Broken Pump Motor Foot

    Started by DDCSD, 04-06-2016 10:21 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 872
    04-07-2016, 10:26 PM Go to last post
  7. KKT and Kyoto Cooling Parts?

    Started by danfoss2024, 04-07-2016 08:36 PM
    • Replies: 0
    • Views: 120
    04-07-2016, 08:36 PM Go to last post
  8. Honeywell R4795

    Started by Red Man, 04-05-2016 11:42 PM
    • Replies: 6
    • Views: 355
    04-07-2016, 04:21 AM Go to last post
  9. NEBB Tab Technician

    Started by BDervishian, 05-01-2012 04:43 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,857
    04-06-2016, 08:22 PM Go to last post
  10. Will this need a fan cycle of some sort

    Started by Snapperhead, 04-03-2016 09:33 PM
    • Replies: 9
    • Views: 529
    04-05-2016, 10:53 PM Go to last post
  11. Hmm Lennox L series rooftop unit...

    Started by T plumb, 03-23-2016 07:15 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,232
    04-05-2016, 09:55 PM Go to last post
  12. Removing Reversing Valve

    Started by BBeerme, 07-13-2015 08:09 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 4,092
    04-05-2016, 01:20 PM Go to last post
  13. 10 TON TRANE PRECEDENT

    Started by VTP99, 11-15-2015 12:27 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,404
    04-05-2016, 12:19 PM Go to last post
  14. Is suction line too big

    Started by Snapperhead, 04-03-2016 08:14 AM
    • Replies: 3
    • Views: 331
    04-04-2016, 11:00 PM Go to last post
  15. Trane CO2 Sensor Fault

    Started by Elizeze, 04-04-2016 09:10 PM
    • Replies: 1
    • Views: 181
    04-04-2016, 09:43 PM Go to last post
  16. york manual forycuz330

    Started by chillerout1, 04-04-2016 07:27 PM
    • Replies: 0
    • Views: 136
    04-04-2016, 07:27 PM Go to last post
  17. Oil foaming

    Started by Acrooster, 03-31-2016 11:05 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 618
    04-04-2016, 05:52 PM Go to last post
  18. Lennox EC1003-10-4

    Started by Everlong, 04-03-2016 11:10 AM
    • Replies: 7
    • Views: 211
    04-03-2016, 05:29 PM Go to last post
  19. r- 22 replacement

    Started by tiger services, 03-08-2016 06:29 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,084
    04-03-2016, 03:04 PM Go to last post
  20. Frown long line sets from condensors on the roof

    Started by luxx, 03-16-2016 01:15 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,188
    04-03-2016, 11:52 AM Go to last post
  21. Installing filter drier in water source heat pump

    Started by ammoniadog, 03-25-2016 08:22 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 1,632
    04-02-2016, 10:09 AM Go to last post
  22. Industial Freezer Brazing techniques question.

    Started by budman21901, 03-19-2016 10:28 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 66
    • Views: 2,974
    04-01-2016, 10:12 PM Go to last post
  23. Honeywell True zone. ARD zoning dampers.

    Started by mach167, 03-31-2016 08:34 PM
    • Replies: 8
    • Views: 292
    04-01-2016, 06:34 PM Go to last post
    • Replies: 0
    • Views: 240
    03-31-2016, 04:36 AM Go to last post
  24. Relocating smoke detector

    Started by slahac, 03-28-2016 05:09 PM
    • Replies: 4
    • Views: 379
    03-30-2016, 07:39 AM Go to last post
  25. gym ventilation calc's

    Started by rettop, 03-29-2016 08:04 AM
    • Replies: 5
    • Views: 347
    03-29-2016, 08:51 PM Go to last post
  26. Slow fan speed?

    Started by Kudge, 03-24-2016 07:16 PM
    • Replies: 7
    • Views: 467
    03-29-2016, 04:20 AM Go to last post
  27. Tempmaster VAV box information

    Started by nwmsjazz, 07-17-2014 06:09 PM
    • Replies: 2
    • Views: 2,143
    03-25-2016, 09:52 PM Go to last post
  28. The Hoverboard

    Started by BBeerme, 03-23-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,000
    03-25-2016, 02:45 PM Go to last post
  29. 95 degree Yoga room ....

    Started by cecil swank, 03-18-2016 01:27 AM
    • Replies: 9
    • Views: 741
    03-22-2016, 11:56 PM Go to last post
  30. Carrier 50ak control problem

    Started by bluntforcetraum, 03-10-2016 04:56 PM
    • Replies: 10
    • Views: 635
    03-22-2016, 09:52 PM Go to last post
  31. High discharge line temp on a semi hermetic

    Started by jman2794, 03-18-2016 12:51 AM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 1,662
    03-22-2016, 07:51 PM Go to last post
  32. Duct smoke detector wiring.

    Started by CHAINIK, 03-18-2016 08:37 PM
    • Replies: 11
    • Views: 492
    03-22-2016, 07:39 AM Go to last post
  33. 5H80 WATER COOLED CONDENSING UNIT

    Started by TURBOCHILL, 03-21-2016 12:42 AM
    • Replies: 7
    • Views: 496
    03-22-2016, 06:59 AM Go to last post
  34. Charge determination methods

    Started by federernadal, 03-21-2016 03:24 PM
    • Replies: 9
    • Views: 396
    03-21-2016, 06:55 PM Go to last post
  35. Trane roof top unit

    Started by JBocc, 02-04-2016 10:47 PM
    • Replies: 6
    • Views: 605
    03-20-2016, 05:42 PM Go to last post
  36. 30 Ton Bryant condenser oil pressure switch problem.

    Started by Ray7129, 03-08-2016 10:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 789
    03-20-2016, 11:04 AM Go to last post
  37. new York hotel

    Started by hvac17011, 03-18-2016 10:02 PM
    • Replies: 1
    • Views: 401
    03-19-2016, 12:23 AM Go to last post
  38. Reality check- Charging blended refrigerants..

    Started by mixsit, 03-17-2016 02:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 827
    03-18-2016, 10:31 PM Go to last post
    • Replies: 6
    • Views: 596
    03-17-2016, 09:00 PM Go to last post
  39. 40ton R-22 to 410a and flushing..

    Started by slick101, 03-15-2016 03:39 PM
    • Replies: 12
    • Views: 705
    03-17-2016, 07:28 AM Go to last post
  40. fix or replace?

    Started by johnqpublic, 03-12-2016 12:57 AM
    • Replies: 7
    • Views: 632
    03-16-2016, 08:48 AM Go to last post
  41. Trane RTWA Compressor Modules - swap modules?

    Started by LightGuy48, 03-14-2016 02:24 PM
    • Replies: 4
    • Views: 393
    03-15-2016, 10:03 AM Go to last post
  42. Aaon vfd display brightness

    Started by Timber, 03-10-2016 06:23 PM
    • Replies: 2
    • Views: 401
    03-15-2016, 01:36 AM Go to last post
  43. Mammoth parts

    Started by rylaw3, 08-05-2015 01:03 PM
    • Replies: 9
    • Views: 1,646
    03-14-2016, 06:46 PM Go to last post
  44. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 1
    • Views: 312
    03-14-2016, 01:46 PM Go to last post
  45. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 5,878
    03-13-2016, 09:29 PM Go to last post
  46. Critical or not

    Started by lytning, 06-21-2015 06:45 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,720
    03-13-2016, 12:20 PM Go to last post
  47. Lennox L Series RTU giving me troubles

    Started by Bombboy90, 03-02-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,059
    03-12-2016, 11:22 PM Go to last post
  48. Overcharge split while unit is off?

    Started by Shreadhead, 03-03-2016 12:13 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 815
    03-12-2016, 11:16 PM Go to last post
  49. 20 ton trane voyager VAV. compressor issue

    Started by jtblsu, 03-11-2016 07:46 AM
    • Replies: 4
    • Views: 439
    03-12-2016, 12:18 PM Go to last post

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