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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: 11,199
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. r- 22 replacement

    Started by tiger services, 03-08-2016 06:29 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,796
    04-03-2016, 03:04 PM Go to last post
  3. 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: 3,076
    04-03-2016, 11:52 AM Go to last post
  4. 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: 4,946
    04-02-2016, 10:09 AM Go to last post
  5. 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: 7,830
    04-01-2016, 10:12 PM Go to last post
  6. Honeywell True zone. ARD zoning dampers.

    Started by mach167, 03-31-2016 08:34 PM
    • Replies: 8
    • Views: 1,577
    04-01-2016, 06:34 PM Go to last post
    • Replies: 0
    • Views: 505
    03-31-2016, 04:36 AM Go to last post
  7. Relocating smoke detector

    Started by slahac, 03-28-2016 05:09 PM
    • Replies: 4
    • Views: 857
    03-30-2016, 07:39 AM Go to last post
  8. gym ventilation calc's

    Started by rettop, 03-29-2016 08:04 AM
    • Replies: 5
    • Views: 1,171
    03-29-2016, 08:51 PM Go to last post
  9. Slow fan speed?

    Started by Kudge, 03-24-2016 07:16 PM
    • Replies: 7
    • Views: 1,210
    03-29-2016, 04:20 AM Go to last post
  10. Tempmaster VAV box information

    Started by nwmsjazz, 07-17-2014 06:09 PM
    • Replies: 2
    • Views: 3,863
    03-25-2016, 09:52 PM Go to last post
  11. The Hoverboard

    Started by BBeerme, 03-23-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,950
    03-25-2016, 02:45 PM Go to last post
  12. 95 degree Yoga room ....

    Started by cecil swank, 03-18-2016 01:27 AM
    • Replies: 9
    • Views: 1,827
    03-22-2016, 11:56 PM Go to last post
  13. Carrier 50ak control problem

    Started by bluntforcetraum, 03-10-2016 04:56 PM
    • Replies: 10
    • Views: 1,871
    03-22-2016, 09:52 PM Go to last post
  14. 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: 4,320
    03-22-2016, 07:51 PM Go to last post
  15. Duct smoke detector wiring.

    Started by CHAINIK, 03-18-2016 08:37 PM
    • Replies: 11
    • Views: 2,453
    03-22-2016, 07:39 AM Go to last post
  16. 5H80 WATER COOLED CONDENSING UNIT

    Started by TURBOCHILL, 03-21-2016 12:42 AM
    • Replies: 7
    • Views: 1,395
    03-22-2016, 06:59 AM Go to last post
  17. Charge determination methods

    Started by federernadal, 03-21-2016 03:24 PM
    • Replies: 9
    • Views: 1,422
    03-21-2016, 06:55 PM Go to last post
  18. Trane roof top unit

    Started by JBocc, 02-04-2016 10:47 PM
    • Replies: 6
    • Views: 1,326
    03-20-2016, 05:42 PM Go to last post
  19. 30 Ton Bryant condenser oil pressure switch problem.

    Started by Ray7129, 03-08-2016 10:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,975
    03-20-2016, 11:04 AM Go to last post
  20. new York hotel

    Started by hvac17011, 03-18-2016 10:02 PM
    • Replies: 1
    • Views: 791
    03-19-2016, 12:23 AM Go to last post
  21. Reality check- Charging blended refrigerants..

    Started by mixsit, 03-17-2016 02:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,947
    03-18-2016, 10:31 PM Go to last post
  22. 40ton R-22 to 410a and flushing..

    Started by slick101, 03-15-2016 03:39 PM
    • Replies: 11
    • Views: 2,004
    03-17-2016, 07:28 AM Go to last post
  23. fix or replace?

    Started by johnqpublic, 03-12-2016 12:57 AM
    • Replies: 7
    • Views: 1,553
    03-16-2016, 08:48 AM Go to last post
  24. Trane RTWA Compressor Modules - swap modules?

    Started by LightGuy48, 03-14-2016 02:24 PM
    • Replies: 4
    • Views: 867
    03-15-2016, 10:03 AM Go to last post
  25. Mammoth parts

    Started by rylaw3, 08-05-2015 01:03 PM
    • Replies: 9
    • Views: 3,480
    03-14-2016, 06:46 PM Go to last post
  26. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 1
    • Views: 819
    03-14-2016, 01:46 PM Go to last post
  27. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 11,728
    03-13-2016, 09:29 PM Go to last post
  28. Critical or not

    Started by lytning, 06-21-2015 06:45 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,574
    03-13-2016, 12:20 PM Go to last post
  29. Lennox L Series RTU giving me troubles

    Started by Bombboy90, 03-02-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,527
    03-12-2016, 11:22 PM Go to last post
  30. Overcharge split while unit is off?

    Started by Shreadhead, 03-03-2016 12:13 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,261
    03-12-2016, 11:16 PM Go to last post
  31. 20 ton trane voyager VAV. compressor issue

    Started by jtblsu, 03-11-2016 07:46 AM
    • Replies: 4
    • Views: 1,072
    03-12-2016, 12:18 PM Go to last post
  32. Air flow & Cooling Capacity

    Started by GIRI, 03-11-2016 12:50 AM
    • Replies: 1
    • Views: 772
    03-11-2016, 09:54 AM Go to last post
  33. Removal of Glass lined storage tank

    Started by Malarres, 03-08-2016 06:14 PM
    • Replies: 8
    • Views: 1,060
    03-10-2016, 06:20 PM Go to last post
  34. Zoomlock for high pressure condenser water lines ?

    Started by HVACMSI, 02-29-2016 11:38 PM
    • Replies: 6
    • Views: 1,338
    03-10-2016, 05:26 PM Go to last post
  35. Fresh-Air.

    Started by fridg, 02-17-2016 08:53 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 3,144
    03-09-2016, 01:18 PM Go to last post
  36. Liebert p66

    Started by james mo, 03-02-2016 07:00 PM
    • Replies: 11
    • Views: 1,854
    03-08-2016, 10:51 PM Go to last post
  37. Confused York RTU Gas Burner

    Started by JakRabbit, 02-29-2016 08:55 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,346
    03-06-2016, 11:42 PM Go to last post
  38. New train rooftop full of soot

    Started by Tyler-Sloan, 01-26-2016 10:38 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,803
    03-06-2016, 09:23 AM Go to last post
  39. carrier chiller 30HX076-271

    Started by bulldog53207, 03-03-2016 06:01 PM
    • Replies: 5
    • Views: 1,291
    03-06-2016, 01:05 AM Go to last post
  40. Heil gas package ignitor problem

    Started by jbs2003200, 02-28-2016 12:10 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,049
    03-05-2016, 02:45 PM Go to last post
  41. 500,000,000 btu cement factory kiln service

    Started by lowtemp, 02-25-2016 04:53 PM
    • Replies: 8
    • Views: 1,439
    03-04-2016, 09:40 PM Go to last post
  42. what's your VFD of choice?

    Started by The Juice, 04-15-2014 03:11 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 10,149
    03-04-2016, 05:11 PM Go to last post
  43. Boiler issues

    Started by Mihvactech, 03-04-2016 02:41 PM
    • Replies: 1
    • Views: 618
    03-04-2016, 03:58 PM Go to last post
  44. York RTU tube heat exchanger cleaning

    Started by Comb2, 02-29-2016 09:52 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,583
    03-03-2016, 06:22 PM Go to last post
  45. Johnson Control Actuator Testing

    Started by maint_rgh, 03-02-2016 12:46 AM
    • Replies: 9
    • Views: 1,426
    03-03-2016, 11:44 AM Go to last post
  46. Carrier ComfortLink

    Started by Elizeze, 03-02-2016 02:31 PM
    • Replies: 2
    • Views: 813
    03-02-2016, 04:16 PM Go to last post
  47. Repairing leaking solder joints in glycol system

    Started by Shreadhead, 01-20-2016 07:11 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,132
    03-02-2016, 11:28 AM Go to last post
  48. Cool No 120 voltage on starter coil?

    Started by Milliamp, 03-01-2016 11:22 PM
    • Replies: 5
    • Views: 766
    03-02-2016, 10:26 AM Go to last post
  49. Trane roof top unit

    Started by JBocc, 02-04-2016 10:57 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,723
    03-01-2016, 04:17 PM Go to last post
  50. Trane voyager book

    Started by AJS HVAC, 02-26-2016 02:03 PM
    • Replies: 5
    • Views: 1,398
    02-28-2016, 03:52 PM Go to last post

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