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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: 9,682
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. york manual forycuz330

    Started by chillerout1, 04-04-2016 07:27 PM
    • Replies: 0
    • Views: 305
    04-04-2016, 07:27 PM Go to last post
  3. Lennox EC1003-10-4

    Started by Everlong, 04-03-2016 11:10 AM
    • Replies: 7
    • Views: 690
    04-03-2016, 05:29 PM Go to last post
  4. r- 22 replacement

    Started by tiger services, 03-08-2016 06:29 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,980
    04-03-2016, 03:04 PM Go to last post
  5. 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: 2,077
    04-03-2016, 11:52 AM Go to last post
  6. 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: 3,065
    04-02-2016, 10:09 AM Go to last post
  7. 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: 5,081
    04-01-2016, 10:12 PM Go to last post
  8. Honeywell True zone. ARD zoning dampers.

    Started by mach167, 03-31-2016 08:34 PM
    • Replies: 8
    • Views: 705
    04-01-2016, 06:34 PM Go to last post
    • Replies: 0
    • Views: 384
    03-31-2016, 04:36 AM Go to last post
  9. Relocating smoke detector

    Started by slahac, 03-28-2016 05:09 PM
    • Replies: 4
    • Views: 631
    03-30-2016, 07:39 AM Go to last post
  10. gym ventilation calc's

    Started by rettop, 03-29-2016 08:04 AM
    • Replies: 5
    • Views: 696
    03-29-2016, 08:51 PM Go to last post
  11. Slow fan speed?

    Started by Kudge, 03-24-2016 07:16 PM
    • Replies: 7
    • Views: 879
    03-29-2016, 04:20 AM Go to last post
  12. Tempmaster VAV box information

    Started by nwmsjazz, 07-17-2014 06:09 PM
    • Replies: 2
    • Views: 2,891
    03-25-2016, 09:52 PM Go to last post
  13. The Hoverboard

    Started by BBeerme, 03-23-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,954
    03-25-2016, 02:45 PM Go to last post
  14. 95 degree Yoga room ....

    Started by cecil swank, 03-18-2016 01:27 AM
    • Replies: 9
    • Views: 1,248
    03-22-2016, 11:56 PM Go to last post
  15. Carrier 50ak control problem

    Started by bluntforcetraum, 03-10-2016 04:56 PM
    • Replies: 10
    • Views: 1,210
    03-22-2016, 09:52 PM Go to last post
  16. 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: 2,702
    03-22-2016, 07:51 PM Go to last post
  17. Duct smoke detector wiring.

    Started by CHAINIK, 03-18-2016 08:37 PM
    • Replies: 11
    • Views: 1,299
    03-22-2016, 07:39 AM Go to last post
  18. 5H80 WATER COOLED CONDENSING UNIT

    Started by TURBOCHILL, 03-21-2016 12:42 AM
    • Replies: 7
    • Views: 923
    03-22-2016, 06:59 AM Go to last post
  19. Charge determination methods

    Started by federernadal, 03-21-2016 03:24 PM
    • Replies: 9
    • Views: 889
    03-21-2016, 06:55 PM Go to last post
  20. Trane roof top unit

    Started by JBocc, 02-04-2016 10:47 PM
    • Replies: 6
    • Views: 994
    03-20-2016, 05:42 PM Go to last post
  21. 30 Ton Bryant condenser oil pressure switch problem.

    Started by Ray7129, 03-08-2016 10:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,285
    03-20-2016, 11:04 AM Go to last post
  22. new York hotel

    Started by hvac17011, 03-18-2016 10:02 PM
    • Replies: 1
    • Views: 599
    03-19-2016, 12:23 AM Go to last post
  23. Reality check- Charging blended refrigerants..

    Started by mixsit, 03-17-2016 02:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,695
    03-18-2016, 10:31 PM Go to last post
    • Replies: 6
    • Views: 1,033
    03-17-2016, 09:00 PM Go to last post
  24. 40ton R-22 to 410a and flushing..

    Started by slick101, 03-15-2016 03:39 PM
    • Replies: 12
    • Views: 1,340
    03-17-2016, 07:28 AM Go to last post
  25. fix or replace?

    Started by johnqpublic, 03-12-2016 12:57 AM
    • Replies: 7
    • Views: 1,088
    03-16-2016, 08:48 AM Go to last post
  26. Trane RTWA Compressor Modules - swap modules?

    Started by LightGuy48, 03-14-2016 02:24 PM
    • Replies: 4
    • Views: 618
    03-15-2016, 10:03 AM Go to last post
  27. Mammoth parts

    Started by rylaw3, 08-05-2015 01:03 PM
    • Replies: 9
    • Views: 2,420
    03-14-2016, 06:46 PM Go to last post
  28. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 1
    • Views: 554
    03-14-2016, 01:46 PM Go to last post
  29. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 8,645
    03-13-2016, 09:29 PM Go to last post
  30. Critical or not

    Started by lytning, 06-21-2015 06:45 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,738
    03-13-2016, 12:20 PM Go to last post
  31. Lennox L Series RTU giving me troubles

    Started by Bombboy90, 03-02-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,632
    03-12-2016, 11:22 PM Go to last post
  32. Overcharge split while unit is off?

    Started by Shreadhead, 03-03-2016 12:13 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,195
    03-12-2016, 11:16 PM Go to last post
  33. 20 ton trane voyager VAV. compressor issue

    Started by jtblsu, 03-11-2016 07:46 AM
    • Replies: 4
    • Views: 735
    03-12-2016, 12:18 PM Go to last post
  34. Air flow & Cooling Capacity

    Started by GIRI, 03-11-2016 12:50 AM
    • Replies: 1
    • Views: 505
    03-11-2016, 09:54 AM Go to last post
  35. Removal of Glass lined storage tank

    Started by Malarres, 03-08-2016 06:14 PM
    • Replies: 8
    • Views: 689
    03-10-2016, 06:20 PM Go to last post
  36. Zoomlock for high pressure condenser water lines ?

    Started by HVACMSI, 02-29-2016 11:38 PM
    • Replies: 6
    • Views: 836
    03-10-2016, 05:26 PM Go to last post
  37. Fresh-Air.

    Started by fridg, 02-17-2016 08:53 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,073
    03-09-2016, 01:18 PM Go to last post
  38. Liebert p66

    Started by james mo, 03-02-2016 07:00 PM
    • Replies: 11
    • Views: 1,167
    03-08-2016, 10:51 PM Go to last post
  39. Confused York RTU Gas Burner

    Started by JakRabbit, 02-29-2016 08:55 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,999
    03-06-2016, 11:42 PM Go to last post
  40. Cooling Towers or VFD??

    Started by mcuriel1, 03-01-2016 11:57 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,110
    03-06-2016, 11:37 AM Go to last post
  41. New train rooftop full of soot

    Started by Tyler-Sloan, 01-26-2016 10:38 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,566
    03-06-2016, 09:23 AM Go to last post
  42. carrier chiller 30HX076-271

    Started by bulldog53207, 03-03-2016 06:01 PM
    • Replies: 5
    • Views: 882
    03-06-2016, 01:05 AM Go to last post
  43. Heil gas package ignitor problem

    Started by jbs2003200, 02-28-2016 12:10 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,356
    03-05-2016, 02:45 PM Go to last post
  44. 500,000,000 btu cement factory kiln service

    Started by lowtemp, 02-25-2016 04:53 PM
    • Replies: 8
    • Views: 1,014
    03-04-2016, 09:40 PM Go to last post
  45. what's your VFD of choice?

    Started by The Juice, 04-15-2014 03:11 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 8,469
    03-04-2016, 05:11 PM Go to last post
  46. Boiler issues

    Started by Mihvactech, 03-04-2016 02:41 PM
    • Replies: 1
    • Views: 477
    03-04-2016, 03:58 PM Go to last post
  47. York RTU tube heat exchanger cleaning

    Started by Comb2, 02-29-2016 09:52 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,148
    03-03-2016, 06:22 PM Go to last post
  48. Johnson Control Actuator Testing

    Started by maint_rgh, 03-02-2016 12:46 AM
    • Replies: 9
    • Views: 910
    03-03-2016, 11:44 AM Go to last post
  49. Carrier ComfortLink

    Started by Elizeze, 03-02-2016 02:31 PM
    • Replies: 2
    • Views: 517
    03-02-2016, 04:16 PM Go to last post

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