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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: 8,686
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Relocating smoke detector

    Started by slahac, 03-28-2016 05:09 PM
    • Replies: 4
    • Views: 420
    03-30-2016, 07:39 AM Go to last post
  3. gym ventilation calc's

    Started by rettop, 03-29-2016 08:04 AM
    • Replies: 5
    • Views: 408
    03-29-2016, 08:51 PM Go to last post
  4. Slow fan speed?

    Started by Kudge, 03-24-2016 07:16 PM
    • Replies: 7
    • Views: 528
    03-29-2016, 04:20 AM Go to last post
  5. Tempmaster VAV box information

    Started by nwmsjazz, 07-17-2014 06:09 PM
    • Replies: 2
    • Views: 2,298
    03-25-2016, 09:52 PM Go to last post
  6. The Hoverboard

    Started by BBeerme, 03-23-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,180
    03-25-2016, 02:45 PM Go to last post
  7. 95 degree Yoga room ....

    Started by cecil swank, 03-18-2016 01:27 AM
    • Replies: 9
    • Views: 843
    03-22-2016, 11:56 PM Go to last post
  8. Carrier 50ak control problem

    Started by bluntforcetraum, 03-10-2016 04:56 PM
    • Replies: 10
    • Views: 717
    03-22-2016, 09:52 PM Go to last post
  9. 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: 1,918
    03-22-2016, 07:51 PM Go to last post
  10. Duct smoke detector wiring.

    Started by CHAINIK, 03-18-2016 08:37 PM
    • Replies: 11
    • Views: 576
    03-22-2016, 07:39 AM Go to last post
  11. 5H80 WATER COOLED CONDENSING UNIT

    Started by TURBOCHILL, 03-21-2016 12:42 AM
    • Replies: 7
    • Views: 550
    03-22-2016, 06:59 AM Go to last post
  12. Charge determination methods

    Started by federernadal, 03-21-2016 03:24 PM
    • Replies: 9
    • Views: 462
    03-21-2016, 06:55 PM Go to last post
  13. Trane roof top unit

    Started by JBocc, 02-04-2016 10:47 PM
    • Replies: 6
    • Views: 680
    03-20-2016, 05:42 PM Go to last post
  14. 30 Ton Bryant condenser oil pressure switch problem.

    Started by Ray7129, 03-08-2016 10:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 909
    03-20-2016, 11:04 AM Go to last post
  15. new York hotel

    Started by hvac17011, 03-18-2016 10:02 PM
    • Replies: 1
    • Views: 433
    03-19-2016, 12:23 AM Go to last post
  16. Reality check- Charging blended refrigerants..

    Started by mixsit, 03-17-2016 02:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 927
    03-18-2016, 10:31 PM Go to last post
    • Replies: 6
    • Views: 677
    03-17-2016, 09:00 PM Go to last post
  17. 40ton R-22 to 410a and flushing..

    Started by slick101, 03-15-2016 03:39 PM
    • Replies: 12
    • Views: 800
    03-17-2016, 07:28 AM Go to last post
  18. fix or replace?

    Started by johnqpublic, 03-12-2016 12:57 AM
    • Replies: 7
    • Views: 678
    03-16-2016, 08:48 AM Go to last post
  19. Trane RTWA Compressor Modules - swap modules?

    Started by LightGuy48, 03-14-2016 02:24 PM
    • Replies: 4
    • Views: 439
    03-15-2016, 10:03 AM Go to last post
  20. Mammoth parts

    Started by rylaw3, 08-05-2015 01:03 PM
    • Replies: 9
    • Views: 1,817
    03-14-2016, 06:46 PM Go to last post
  21. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 1
    • Views: 362
    03-14-2016, 01:46 PM Go to last post
  22. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 6,444
    03-13-2016, 09:29 PM Go to last post
  23. Critical or not

    Started by lytning, 06-21-2015 06:45 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,908
    03-13-2016, 12:20 PM Go to last post
  24. Lennox L Series RTU giving me troubles

    Started by Bombboy90, 03-02-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,215
    03-12-2016, 11:22 PM Go to last post
  25. Overcharge split while unit is off?

    Started by Shreadhead, 03-03-2016 12:13 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,257
    03-12-2016, 11:16 PM Go to last post
  26. 20 ton trane voyager VAV. compressor issue

    Started by jtblsu, 03-11-2016 07:46 AM
    • Replies: 4
    • Views: 508
    03-12-2016, 12:18 PM Go to last post
  27. Air flow & Cooling Capacity

    Started by GIRI, 03-11-2016 12:50 AM
    • Replies: 1
    • Views: 361
    03-11-2016, 09:54 AM Go to last post
  28. Removal of Glass lined storage tank

    Started by Malarres, 03-08-2016 06:14 PM
    • Replies: 8
    • Views: 480
    03-10-2016, 06:20 PM Go to last post
  29. Zoomlock for high pressure condenser water lines ?

    Started by HVACMSI, 02-29-2016 11:38 PM
    • Replies: 6
    • Views: 648
    03-10-2016, 05:26 PM Go to last post
  30. Fresh-Air.

    Started by fridg, 02-17-2016 08:53 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,361
    03-09-2016, 01:18 PM Go to last post
  31. Liebert p66

    Started by james mo, 03-02-2016 07:00 PM
    • Replies: 11
    • Views: 633
    03-08-2016, 10:51 PM Go to last post
  32. Confused York RTU Gas Burner

    Started by JakRabbit, 02-29-2016 08:55 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,181
    03-06-2016, 11:42 PM Go to last post
  33. Cooling Towers or VFD??

    Started by mcuriel1, 03-01-2016 11:57 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,400
    03-06-2016, 11:37 AM Go to last post
  34. New train rooftop full of soot

    Started by Tyler-Sloan, 01-26-2016 10:38 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,833
    03-06-2016, 09:23 AM Go to last post
  35. carrier chiller 30HX076-271

    Started by bulldog53207, 03-03-2016 06:01 PM
    • Replies: 5
    • Views: 586
    03-06-2016, 01:05 AM Go to last post
  36. Heil gas package ignitor problem

    Started by jbs2003200, 02-28-2016 12:10 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 932
    03-05-2016, 02:45 PM Go to last post
  37. 500,000,000 btu cement factory kiln service

    Started by lowtemp, 02-25-2016 04:53 PM
    • Replies: 8
    • Views: 723
    03-04-2016, 09:40 PM Go to last post
  38. what's your VFD of choice?

    Started by The Juice, 04-15-2014 03:11 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 7,081
    03-04-2016, 05:11 PM Go to last post
  39. Boiler issues

    Started by Mihvactech, 03-04-2016 02:41 PM
    • Replies: 1
    • Views: 331
    03-04-2016, 03:58 PM Go to last post
  40. Carrier will lay off 2100 peaple

    Started by servicefitter, 02-11-2016 10:18 PM
    18 Pages
    1 2 3 4 5 6 ... 18
    • Replies: 221
    • Views: 10,034
    03-03-2016, 07:14 PM Go to last post
  41. York RTU tube heat exchanger cleaning

    Started by Comb2, 02-29-2016 09:52 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 826
    03-03-2016, 06:22 PM Go to last post
  42. Johnson Control Actuator Testing

    Started by maint_rgh, 03-02-2016 12:46 AM
    • Replies: 9
    • Views: 603
    03-03-2016, 11:44 AM Go to last post
  43. Carrier ComfortLink

    Started by Elizeze, 03-02-2016 02:31 PM
    • Replies: 2
    • Views: 353
    03-02-2016, 04:16 PM Go to last post
  44. Repairing leaking solder joints in glycol system

    Started by Shreadhead, 01-20-2016 07:11 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,424
    03-02-2016, 11:28 AM Go to last post
  45. Cool No 120 voltage on starter coil?

    Started by Milliamp, 03-01-2016 11:22 PM
    • Replies: 5
    • Views: 395
    03-02-2016, 10:26 AM Go to last post
  46. Trane roof top unit

    Started by JBocc, 02-04-2016 10:57 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,191
    03-01-2016, 04:17 PM Go to last post
  47. Hydrobank?

    Started by meoberry, 01-09-2016 01:41 AM
    • Replies: 1
    • Views: 447
    03-01-2016, 03:23 PM Go to last post
  48. Trane voyager book

    Started by AJS HVAC, 02-26-2016 02:03 PM
    • Replies: 5
    • Views: 545
    02-28-2016, 03:52 PM Go to last post
    • Replies: 9
    • Views: 526
    02-28-2016, 01:31 PM Go to last post
  49. But We've Always Done It That Way............

    Started by TeemsSteam, 09-18-2015 06:27 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,352
    02-28-2016, 01:16 PM Go to last post

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