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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: 9,357
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Charge determination methods

    Started by federernadal, 03-21-2016 03:24 PM
    • Replies: 9
    • Views: 783
    03-21-2016, 06:55 PM Go to last post
  3. Trane roof top unit

    Started by JBocc, 02-04-2016 10:47 PM
    • Replies: 6
    • Views: 933
    03-20-2016, 05:42 PM Go to last post
  4. 30 Ton Bryant condenser oil pressure switch problem.

    Started by Ray7129, 03-08-2016 10:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,205
    03-20-2016, 11:04 AM Go to last post
  5. new York hotel

    Started by hvac17011, 03-18-2016 10:02 PM
    • Replies: 1
    • Views: 565
    03-19-2016, 12:23 AM Go to last post
  6. Reality check- Charging blended refrigerants..

    Started by mixsit, 03-17-2016 02:34 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,551
    03-18-2016, 10:31 PM Go to last post
    • Replies: 6
    • Views: 955
    03-17-2016, 09:00 PM Go to last post
  7. 40ton R-22 to 410a and flushing..

    Started by slick101, 03-15-2016 03:39 PM
    • Replies: 12
    • Views: 1,209
    03-17-2016, 07:28 AM Go to last post
  8. fix or replace?

    Started by johnqpublic, 03-12-2016 12:57 AM
    • Replies: 7
    • Views: 1,019
    03-16-2016, 08:48 AM Go to last post
  9. Trane RTWA Compressor Modules - swap modules?

    Started by LightGuy48, 03-14-2016 02:24 PM
    • Replies: 4
    • Views: 584
    03-15-2016, 10:03 AM Go to last post
  10. Mammoth parts

    Started by rylaw3, 08-05-2015 01:03 PM
    • Replies: 9
    • Views: 2,262
    03-14-2016, 06:46 PM Go to last post
  11. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 1
    • Views: 496
    03-14-2016, 01:46 PM Go to last post
  12. 2 condensers, one evaporator

    Started by FitterTom, 10-25-2011 02:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 8,265
    03-13-2016, 09:29 PM Go to last post
  13. Critical or not

    Started by lytning, 06-21-2015 06:45 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,566
    03-13-2016, 12:20 PM Go to last post
  14. Lennox L Series RTU giving me troubles

    Started by Bombboy90, 03-02-2016 08:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,553
    03-12-2016, 11:22 PM Go to last post
  15. Overcharge split while unit is off?

    Started by Shreadhead, 03-03-2016 12:13 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,049
    03-12-2016, 11:16 PM Go to last post
  16. 20 ton trane voyager VAV. compressor issue

    Started by jtblsu, 03-11-2016 07:46 AM
    • Replies: 4
    • Views: 670
    03-12-2016, 12:18 PM Go to last post
  17. Air flow & Cooling Capacity

    Started by GIRI, 03-11-2016 12:50 AM
    • Replies: 1
    • Views: 459
    03-11-2016, 09:54 AM Go to last post
  18. Removal of Glass lined storage tank

    Started by Malarres, 03-08-2016 06:14 PM
    • Replies: 8
    • Views: 644
    03-10-2016, 06:20 PM Go to last post
  19. Zoomlock for high pressure condenser water lines ?

    Started by HVACMSI, 02-29-2016 11:38 PM
    • Replies: 6
    • Views: 802
    03-10-2016, 05:26 PM Go to last post
  20. Fresh-Air.

    Started by fridg, 02-17-2016 08:53 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,945
    03-09-2016, 01:18 PM Go to last post
  21. Liebert p66

    Started by james mo, 03-02-2016 07:00 PM
    • Replies: 11
    • Views: 1,073
    03-08-2016, 10:51 PM Go to last post
  22. Confused York RTU Gas Burner

    Started by JakRabbit, 02-29-2016 08:55 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,808
    03-06-2016, 11:42 PM Go to last post
  23. Cooling Towers or VFD??

    Started by mcuriel1, 03-01-2016 11:57 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,966
    03-06-2016, 11:37 AM Go to last post
  24. New train rooftop full of soot

    Started by Tyler-Sloan, 01-26-2016 10:38 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,380
    03-06-2016, 09:23 AM Go to last post
  25. carrier chiller 30HX076-271

    Started by bulldog53207, 03-03-2016 06:01 PM
    • Replies: 5
    • Views: 817
    03-06-2016, 01:05 AM Go to last post
  26. Heil gas package ignitor problem

    Started by jbs2003200, 02-28-2016 12:10 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,274
    03-05-2016, 02:45 PM Go to last post
  27. 500,000,000 btu cement factory kiln service

    Started by lowtemp, 02-25-2016 04:53 PM
    • Replies: 8
    • Views: 969
    03-04-2016, 09:40 PM Go to last post
  28. what's your VFD of choice?

    Started by The Juice, 04-15-2014 03:11 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 8,248
    03-04-2016, 05:11 PM Go to last post
  29. Boiler issues

    Started by Mihvactech, 03-04-2016 02:41 PM
    • Replies: 1
    • Views: 451
    03-04-2016, 03:58 PM Go to last post
  30. York RTU tube heat exchanger cleaning

    Started by Comb2, 02-29-2016 09:52 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,119
    03-03-2016, 06:22 PM Go to last post
  31. Johnson Control Actuator Testing

    Started by maint_rgh, 03-02-2016 12:46 AM
    • Replies: 9
    • Views: 860
    03-03-2016, 11:44 AM Go to last post
  32. Carrier ComfortLink

    Started by Elizeze, 03-02-2016 02:31 PM
    • Replies: 2
    • Views: 486
    03-02-2016, 04:16 PM Go to last post
  33. Repairing leaking solder joints in glycol system

    Started by Shreadhead, 01-20-2016 07:11 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,101
    03-02-2016, 11:28 AM Go to last post
  34. Cool No 120 voltage on starter coil?

    Started by Milliamp, 03-01-2016 11:22 PM
    • Replies: 5
    • Views: 514
    03-02-2016, 10:26 AM Go to last post
  35. Trane roof top unit

    Started by JBocc, 02-04-2016 10:57 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,649
    03-01-2016, 04:17 PM Go to last post
  36. Trane voyager book

    Started by AJS HVAC, 02-26-2016 02:03 PM
    • Replies: 5
    • Views: 840
    02-28-2016, 03:52 PM Go to last post
    • Replies: 9
    • Views: 766
    02-28-2016, 01:31 PM Go to last post
  37. But We've Always Done It That Way............

    Started by TeemsSteam, 09-18-2015 06:27 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,936
    02-28-2016, 01:16 PM Go to last post
  38. Reznor heater

    Started by k_wayne, 02-25-2016 01:49 AM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 3,096
    02-28-2016, 01:27 AM Go to last post
  39. Trane SCWD also know as SCUD 40 ton 3-stage

    Started by jman2794, 02-26-2016 07:44 PM
    • Replies: 0
    • Views: 507
    02-26-2016, 07:44 PM Go to last post
  40. Confused Cleaver Brooks

    Started by jman2794, 01-25-2016 11:04 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 2,375
    02-25-2016, 11:37 PM Go to last post
  41. VRV systems and filter driers

    Started by targetman, 01-27-2016 07:27 AM
    • Replies: 5
    • Views: 1,025
    02-25-2016, 11:02 PM Go to last post
  42. Question New Trane SF schroll compressors

    Started by rpsolo58, 02-21-2016 03:50 PM
    • Replies: 6
    • Views: 875
    02-25-2016, 11:00 PM Go to last post
  43. Hot water system pump differential

    Started by DDCSD, 01-15-2016 11:18 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,376
    02-25-2016, 08:35 PM Go to last post
  44. Willis Mini Splits

    Started by LKJoel, 02-25-2016 08:29 PM
    • Replies: 0
    • Views: 354
    02-25-2016, 08:29 PM Go to last post
  45. 30Hxc Manual

    Started by maint_rgh, 02-24-2016 03:12 AM
    • Replies: 4
    • Views: 558
    02-24-2016, 11:42 PM Go to last post
  46. hose came loose on recovery machine today

    Started by Shreadhead, 02-23-2016 11:19 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,265
    02-24-2016, 11:33 PM Go to last post
  47. trane rooftop

    Started by boilerguy joed, 02-24-2016 08:18 PM
    • Replies: 0
    • Views: 403
    02-24-2016, 08:18 PM Go to last post
  48. Rtha180fcv low oil flow alarm

    Started by mesahvac, 02-23-2016 05:16 PM
    • Replies: 5
    • Views: 514
    02-23-2016, 08:41 PM Go to last post
  49. Altas Copco Air Drier

    Started by TURBOFIRE, 02-15-2016 09:37 AM
    • Replies: 6
    • Views: 652
    02-23-2016, 12:43 PM Go to last post

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