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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: 10,907
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Lennox EC1003-10-4

    Started by Everlong, 04-03-2016 11:10 AM
    • Replies: 7
    • Views: 1,057
    04-03-2016, 05:29 PM Go to last post
  3. r- 22 replacement

    Started by tiger services, 03-08-2016 06:29 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,515
    04-03-2016, 03:04 PM Go to last post
  4. 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: 2,752
    04-03-2016, 11:52 AM Go to last post
  5. 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: 4,281
    04-02-2016, 10:09 AM Go to last post
  6. 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: 6,886
    04-01-2016, 10:12 PM Go to last post
  7. Honeywell True zone. ARD zoning dampers.

    Started by mach167, 03-31-2016 08:34 PM
    • Replies: 8
    • Views: 1,257
    04-01-2016, 06:34 PM Go to last post
    • Replies: 0
    • Views: 467
    03-31-2016, 04:36 AM Go to last post
  8. Relocating smoke detector

    Started by slahac, 03-28-2016 05:09 PM
    • Replies: 4
    • Views: 779
    03-30-2016, 07:39 AM Go to last post
  9. gym ventilation calc's

    Started by rettop, 03-29-2016 08:04 AM
    • Replies: 5
    • Views: 978
    03-29-2016, 08:51 PM Go to last post
  10. Slow fan speed?

    Started by Kudge, 03-24-2016 07:16 PM
    • Replies: 7
    • Views: 1,083
    03-29-2016, 04:20 AM Go to last post
  11. Tempmaster VAV box information

    Started by nwmsjazz, 07-17-2014 06:09 PM
    • Replies: 2
    • Views: 3,577
    03-25-2016, 09:52 PM Go to last post
  12. The Hoverboard

    Started by BBeerme, 03-23-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,617
    03-25-2016, 02:45 PM Go to last post
  13. 95 degree Yoga room ....

    Started by cecil swank, 03-18-2016 01:27 AM
    • Replies: 9
    • Views: 1,649
    03-22-2016, 11:56 PM Go to last post
  14. Carrier 50ak control problem

    Started by bluntforcetraum, 03-10-2016 04:56 PM
    • Replies: 10
    • Views: 1,637
    03-22-2016, 09:52 PM Go to last post
  15. 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: 3,617
    03-22-2016, 07:51 PM Go to last post
  16. Duct smoke detector wiring.

    Started by CHAINIK, 03-18-2016 08:37 PM
    • Replies: 11
    • Views: 1,997
    03-22-2016, 07:39 AM Go to last post
  17. 5H80 WATER COOLED CONDENSING UNIT

    Started by TURBOCHILL, 03-21-2016 12:42 AM
    • Replies: 7
    • Views: 1,216
    03-22-2016, 06:59 AM Go to last post
  18. Charge determination methods

    Started by federernadal, 03-21-2016 03:24 PM
    • Replies: 9
    • Views: 1,243
    03-21-2016, 06:55 PM Go to last post
  19. Trane roof top unit

    Started by JBocc, 02-04-2016 10:47 PM
    • Replies: 6
    • Views: 1,225
    03-20-2016, 05:42 PM Go to last post
  20. 30 Ton Bryant condenser oil pressure switch problem.

    Started by Ray7129, 03-08-2016 10:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,740
    03-20-2016, 11:04 AM Go to last post
  21. new York hotel

    Started by hvac17011, 03-18-2016 10:02 PM
    • Replies: 1
    • Views: 724
    03-19-2016, 12:23 AM Go to last post
  22. Reality check- Charging blended refrigerants..

    Started by mixsit, 03-17-2016 02:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,553
    03-18-2016, 10:31 PM Go to last post
  23. 40ton R-22 to 410a and flushing..

    Started by slick101, 03-15-2016 03:39 PM
    • Replies: 11
    • Views: 1,774
    03-17-2016, 07:28 AM Go to last post
  24. fix or replace?

    Started by johnqpublic, 03-12-2016 12:57 AM
    • Replies: 7
    • Views: 1,389
    03-16-2016, 08:48 AM Go to last post
  25. Trane RTWA Compressor Modules - swap modules?

    Started by LightGuy48, 03-14-2016 02:24 PM
    • Replies: 4
    • Views: 778
    03-15-2016, 10:03 AM Go to last post
  26. Mammoth parts

    Started by rylaw3, 08-05-2015 01:03 PM
    • Replies: 9
    • Views: 3,118
    03-14-2016, 06:46 PM Go to last post
  27. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 1
    • Views: 721
    03-14-2016, 01:46 PM Go to last post
  28. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 10,823
    03-13-2016, 09:29 PM Go to last post
  29. Critical or not

    Started by lytning, 06-21-2015 06:45 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,269
    03-13-2016, 12:20 PM Go to last post
  30. Lennox L Series RTU giving me troubles

    Started by Bombboy90, 03-02-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,152
    03-12-2016, 11:22 PM Go to last post
  31. Overcharge split while unit is off?

    Started by Shreadhead, 03-03-2016 12:13 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,961
    03-12-2016, 11:16 PM Go to last post
  32. 20 ton trane voyager VAV. compressor issue

    Started by jtblsu, 03-11-2016 07:46 AM
    • Replies: 4
    • Views: 946
    03-12-2016, 12:18 PM Go to last post
  33. Air flow & Cooling Capacity

    Started by GIRI, 03-11-2016 12:50 AM
    • Replies: 1
    • Views: 651
    03-11-2016, 09:54 AM Go to last post
  34. Removal of Glass lined storage tank

    Started by Malarres, 03-08-2016 06:14 PM
    • Replies: 8
    • Views: 948
    03-10-2016, 06:20 PM Go to last post
  35. Zoomlock for high pressure condenser water lines ?

    Started by HVACMSI, 02-29-2016 11:38 PM
    • Replies: 6
    • Views: 1,137
    03-10-2016, 05:26 PM Go to last post
  36. Fresh-Air.

    Started by fridg, 02-17-2016 08:53 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,763
    03-09-2016, 01:18 PM Go to last post
  37. Liebert p66

    Started by james mo, 03-02-2016 07:00 PM
    • Replies: 11
    • Views: 1,575
    03-08-2016, 10:51 PM Go to last post
  38. Confused York RTU Gas Burner

    Started by JakRabbit, 02-29-2016 08:55 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,826
    03-06-2016, 11:42 PM Go to last post
  39. Cooling Towers or VFD??

    Started by mcuriel1, 03-01-2016 11:57 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 3,038
    03-06-2016, 11:37 AM Go to last post
  40. New train rooftop full of soot

    Started by Tyler-Sloan, 01-26-2016 10:38 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,374
    03-06-2016, 09:23 AM Go to last post
  41. carrier chiller 30HX076-271

    Started by bulldog53207, 03-03-2016 06:01 PM
    • Replies: 5
    • Views: 1,152
    03-06-2016, 01:05 AM Go to last post
  42. Heil gas package ignitor problem

    Started by jbs2003200, 02-28-2016 12:10 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,791
    03-05-2016, 02:45 PM Go to last post
  43. 500,000,000 btu cement factory kiln service

    Started by lowtemp, 02-25-2016 04:53 PM
    • Replies: 8
    • Views: 1,278
    03-04-2016, 09:40 PM Go to last post
  44. what's your VFD of choice?

    Started by The Juice, 04-15-2014 03:11 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 9,534
    03-04-2016, 05:11 PM Go to last post
  45. Boiler issues

    Started by Mihvactech, 03-04-2016 02:41 PM
    • Replies: 1
    • Views: 565
    03-04-2016, 03:58 PM Go to last post
  46. York RTU tube heat exchanger cleaning

    Started by Comb2, 02-29-2016 09:52 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,405
    03-03-2016, 06:22 PM Go to last post
  47. Johnson Control Actuator Testing

    Started by maint_rgh, 03-02-2016 12:46 AM
    • Replies: 9
    • Views: 1,245
    03-03-2016, 11:44 AM Go to last post
  48. Carrier ComfortLink

    Started by Elizeze, 03-02-2016 02:31 PM
    • Replies: 2
    • Views: 734
    03-02-2016, 04:16 PM Go to last post
  49. Repairing leaking solder joints in glycol system

    Started by Shreadhead, 01-20-2016 07:11 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,833
    03-02-2016, 11:28 AM Go to last post
  50. Cool No 120 voltage on starter coil?

    Started by Milliamp, 03-01-2016 11:22 PM
    • Replies: 5
    • Views: 685
    03-02-2016, 10:26 AM Go to last post

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