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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: 10,779
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. 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: 3,277
    03-22-2016, 07:51 PM Go to last post
  3. Duct smoke detector wiring.

    Started by CHAINIK, 03-18-2016 08:37 PM
    • Replies: 11
    • Views: 1,970
    03-22-2016, 07:39 AM Go to last post
  4. 5H80 WATER COOLED CONDENSING UNIT

    Started by TURBOCHILL, 03-21-2016 12:42 AM
    • Replies: 7
    • Views: 1,146
    03-22-2016, 06:59 AM Go to last post
  5. Charge determination methods

    Started by federernadal, 03-21-2016 03:24 PM
    • Replies: 9
    • Views: 1,159
    03-21-2016, 06:55 PM Go to last post
  6. Trane roof top unit

    Started by JBocc, 02-04-2016 10:47 PM
    • Replies: 6
    • Views: 1,163
    03-20-2016, 05:42 PM Go to last post
  7. 30 Ton Bryant condenser oil pressure switch problem.

    Started by Ray7129, 03-08-2016 10:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,620
    03-20-2016, 11:04 AM Go to last post
  8. new York hotel

    Started by hvac17011, 03-18-2016 10:02 PM
    • Replies: 1
    • Views: 698
    03-19-2016, 12:23 AM Go to last post
  9. Reality check- Charging blended refrigerants..

    Started by mixsit, 03-17-2016 02:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,448
    03-18-2016, 10:31 PM Go to last post
  10. 40ton R-22 to 410a and flushing..

    Started by slick101, 03-15-2016 03:39 PM
    • Replies: 12
    • Views: 1,646
    03-17-2016, 07:28 AM Go to last post
  11. fix or replace?

    Started by johnqpublic, 03-12-2016 12:57 AM
    • Replies: 7
    • Views: 1,295
    03-16-2016, 08:48 AM Go to last post
  12. Trane RTWA Compressor Modules - swap modules?

    Started by LightGuy48, 03-14-2016 02:24 PM
    • Replies: 4
    • Views: 744
    03-15-2016, 10:03 AM Go to last post
  13. Mammoth parts

    Started by rylaw3, 08-05-2015 01:03 PM
    • Replies: 9
    • Views: 3,044
    03-14-2016, 06:46 PM Go to last post
  14. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 10,450
    03-13-2016, 09:29 PM Go to last post
  15. Critical or not

    Started by lytning, 06-21-2015 06:45 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,128
    03-13-2016, 12:20 PM Go to last post
  16. Lennox L Series RTU giving me troubles

    Started by Bombboy90, 03-02-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,038
    03-12-2016, 11:22 PM Go to last post
  17. Overcharge split while unit is off?

    Started by Shreadhead, 03-03-2016 12:13 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,823
    03-12-2016, 11:16 PM Go to last post
  18. 20 ton trane voyager VAV. compressor issue

    Started by jtblsu, 03-11-2016 07:46 AM
    • Replies: 4
    • Views: 894
    03-12-2016, 12:18 PM Go to last post
  19. Air flow & Cooling Capacity

    Started by GIRI, 03-11-2016 12:50 AM
    • Replies: 1
    • Views: 684
    03-11-2016, 09:54 AM Go to last post
  20. Removal of Glass lined storage tank

    Started by Malarres, 03-08-2016 06:14 PM
    • Replies: 8
    • Views: 898
    03-10-2016, 06:20 PM Go to last post
  21. Zoomlock for high pressure condenser water lines ?

    Started by HVACMSI, 02-29-2016 11:38 PM
    • Replies: 6
    • Views: 1,095
    03-10-2016, 05:26 PM Go to last post
  22. Fresh-Air.

    Started by fridg, 02-17-2016 08:53 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,567
    03-09-2016, 01:18 PM Go to last post
  23. Liebert p66

    Started by james mo, 03-02-2016 07:00 PM
    • Replies: 11
    • Views: 1,458
    03-08-2016, 10:51 PM Go to last post
  24. Confused York RTU Gas Burner

    Started by JakRabbit, 02-29-2016 08:55 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,682
    03-06-2016, 11:42 PM Go to last post
  25. Cooling Towers or VFD??

    Started by mcuriel1, 03-01-2016 11:57 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,932
    03-06-2016, 11:37 AM Go to last post
  26. New train rooftop full of soot

    Started by Tyler-Sloan, 01-26-2016 10:38 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,242
    03-06-2016, 09:23 AM Go to last post
  27. carrier chiller 30HX076-271

    Started by bulldog53207, 03-03-2016 06:01 PM
    • Replies: 5
    • Views: 1,103
    03-06-2016, 01:05 AM Go to last post
  28. Heil gas package ignitor problem

    Started by jbs2003200, 02-28-2016 12:10 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,681
    03-05-2016, 02:45 PM Go to last post
  29. 500,000,000 btu cement factory kiln service

    Started by lowtemp, 02-25-2016 04:53 PM
    • Replies: 8
    • Views: 1,217
    03-04-2016, 09:40 PM Go to last post
  30. what's your VFD of choice?

    Started by The Juice, 04-15-2014 03:11 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 9,288
    03-04-2016, 05:11 PM Go to last post
  31. Boiler issues

    Started by Mihvactech, 03-04-2016 02:41 PM
    • Replies: 1
    • Views: 551
    03-04-2016, 03:58 PM Go to last post
  32. York RTU tube heat exchanger cleaning

    Started by Comb2, 02-29-2016 09:52 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,413
    03-03-2016, 06:22 PM Go to last post
  33. Johnson Control Actuator Testing

    Started by maint_rgh, 03-02-2016 12:46 AM
    • Replies: 9
    • Views: 1,170
    03-03-2016, 11:44 AM Go to last post
  34. Carrier ComfortLink

    Started by Elizeze, 03-02-2016 02:31 PM
    • Replies: 2
    • Views: 699
    03-02-2016, 04:16 PM Go to last post
  35. Repairing leaking solder joints in glycol system

    Started by Shreadhead, 01-20-2016 07:11 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,761
    03-02-2016, 11:28 AM Go to last post
  36. Cool No 120 voltage on starter coil?

    Started by Milliamp, 03-01-2016 11:22 PM
    • Replies: 5
    • Views: 652
    03-02-2016, 10:26 AM Go to last post
  37. Trane roof top unit

    Started by JBocc, 02-04-2016 10:57 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,234
    03-01-2016, 04:17 PM Go to last post
  38. Trane voyager book

    Started by AJS HVAC, 02-26-2016 02:03 PM
    • Replies: 5
    • Views: 1,179
    02-28-2016, 03:52 PM Go to last post
    • Replies: 9
    • Views: 1,032
    02-28-2016, 01:31 PM Go to last post
  39. But We've Always Done It That Way............

    Started by TeemsSteam, 09-18-2015 06:27 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,511
    02-28-2016, 01:16 PM Go to last post
  40. Reznor heater

    Started by k_wayne, 02-25-2016 01:49 AM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 4,404
    02-28-2016, 01:27 AM Go to last post
  41. Trane SCWD also know as SCUD 40 ton 3-stage

    Started by jman2794, 02-26-2016 07:44 PM
    • Replies: 0
    • Views: 858
    02-26-2016, 07:44 PM Go to last post
  42. Confused Cleaver Brooks

    Started by jman2794, 01-25-2016 11:04 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,698
    02-25-2016, 11:37 PM Go to last post
  43. VRV systems and filter driers

    Started by targetman, 01-27-2016 07:27 AM
    • Replies: 5
    • Views: 1,438
    02-25-2016, 11:02 PM Go to last post
  44. Question New Trane SF schroll compressors

    Started by rpsolo58, 02-21-2016 03:50 PM
    • Replies: 6
    • Views: 1,185
    02-25-2016, 11:00 PM Go to last post
  45. Hot water system pump differential

    Started by DDCSD, 01-15-2016 11:18 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,743
    02-25-2016, 08:35 PM Go to last post
  46. Willis Mini Splits

    Started by LKJoel, 02-25-2016 08:29 PM
    • Replies: 0
    • Views: 517
    02-25-2016, 08:29 PM Go to last post
  47. 30Hxc Manual

    Started by maint_rgh, 02-24-2016 03:12 AM
    • Replies: 4
    • Views: 786
    02-24-2016, 11:42 PM Go to last post
  48. hose came loose on recovery machine today

    Started by Shreadhead, 02-23-2016 11:19 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,649
    02-24-2016, 11:33 PM Go to last post
  49. trane rooftop

    Started by boilerguy joed, 02-24-2016 08:18 PM
    • Replies: 0
    • Views: 487
    02-24-2016, 08:18 PM Go to last post
  50. Rtha180fcv low oil flow alarm

    Started by mesahvac, 02-23-2016 05:16 PM
    • Replies: 5
    • Views: 676
    02-23-2016, 08:41 PM Go to last post

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