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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: 11,471
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Post DC Contactors/Sequencers

    Started by arrow09, 03-08-2017 12:35 AM
    • Replies: 3
    • Views: 738
    03-08-2017, 04:51 PM Go to last post
  3. Johnson Controls Service Technical Academy

    Started by jds21088, 01-14-2014 11:46 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,848
    03-08-2017, 12:38 PM Go to last post
  4. York Chiller

    Started by Charlie1776, 08-01-2012 10:04 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 6,498
    03-07-2017, 07:48 PM Go to last post
  5. Trane TU software

    Started by phbua392, 02-27-2017 10:20 AM
    • Replies: 10
    • Views: 1,281
    03-06-2017, 05:13 PM Go to last post
  6. Windings got pretty warm

    Started by BBeerme, 03-02-2017 10:01 PM
    • Replies: 6
    • Views: 1,047
    03-04-2017, 06:31 AM Go to last post
  7. HVAC Preventative Maintenance Software

    Started by Mr.Man, 11-04-2016 07:17 PM
    • Replies: 1
    • Views: 1,014
    03-03-2017, 10:41 PM Go to last post
    • Replies: 8
    • Views: 1,869
    03-01-2017, 04:26 PM Go to last post
  8. Loss of flow alarms on new trane chiller!?!?

    Started by Wes G., 08-23-2012 11:23 PM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 24,064
    03-01-2017, 07:38 AM Go to last post
  9. Pool room unit

    Started by Giannis T, 02-26-2017 01:13 PM
    • Replies: 9
    • Views: 1,103
    02-27-2017, 07:54 PM Go to last post
  10. Addition to tool bag.

    Started by technocratic, 02-24-2017 06:30 PM
    • Replies: 9
    • Views: 1,526
    02-25-2017, 07:16 PM Go to last post
  11. TRANSFORMATIVE WAVE

    Started by HvAckid82, 09-10-2013 08:56 PM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 13,085
    02-25-2017, 05:40 PM Go to last post
  12. L1 and L2!!

    Started by eye in the sky, 11-28-2011 12:51 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 14,426
    02-24-2017, 01:44 PM Go to last post
  13. Sports hall HVAC

    Started by Pinokio, 02-24-2017 01:24 PM
    • Replies: 0
    • Views: 555
    02-24-2017, 01:24 PM Go to last post
  14. Help identify room stat

    Started by poptop22, 02-22-2017 09:26 PM
    • Replies: 5
    • Views: 806
    02-23-2017, 05:47 PM Go to last post
  15. ROTORY Compressor Phasing

    Started by Kasari, 02-22-2017 02:56 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,406
    02-23-2017, 02:41 PM Go to last post
  16. Airtrack Control for Large Burners

    Started by McFridgeGuy, 02-16-2017 10:50 PM
    • Replies: 7
    • Views: 886
    02-23-2017, 09:54 AM Go to last post
  17. Split bearings

    Started by buttwheat, 02-18-2017 12:03 AM
    • Replies: 7
    • Views: 1,276
    02-22-2017, 08:18 PM Go to last post
  18. Carrier 39MW Air Handler

    Started by jav3467, 02-22-2017 04:13 PM
    • Replies: 0
    • Views: 567
    02-22-2017, 04:13 PM Go to last post
  19. Will Trump make R-22 Great Again ?

    Started by jmiles, 01-21-2017 06:52 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 3,488
    02-21-2017, 04:48 PM Go to last post
    • Replies: 8
    • Views: 1,499
    02-21-2017, 01:13 PM Go to last post
  20. Cleaning Liebert Humidifier bulbs?

    Started by obieone, 02-19-2017 02:08 PM
    • Replies: 4
    • Views: 794
    02-21-2017, 06:22 AM Go to last post
  21. Lennox humiditrol predator , no second fan or comp

    Started by Snapperhead, 11-04-2016 06:58 AM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 4,538
    02-18-2017, 11:43 AM Go to last post
  22. Carrier package unit, Subcooling circuit, why?

    Started by CHAINIK, 02-08-2017 08:11 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 4,078
    02-18-2017, 12:37 AM Go to last post
  23. Blower belts cooking!

    Started by fitzyfitta, 04-09-2013 11:02 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 9,375
    02-17-2017, 04:04 PM Go to last post
  24. Confused Leak search using trace

    Started by Alantoy13, 02-16-2017 08:59 PM
    • Replies: 3
    • Views: 719
    02-16-2017, 10:30 PM Go to last post
  25. Trane CTI Controls

    Started by 11austinlee, 02-16-2017 02:02 PM
    • Replies: 4
    • Views: 693
    02-16-2017, 04:44 PM Go to last post
  26. Sanyo ECOI mini

    Started by ckartson, 02-16-2017 06:51 AM
    • Replies: 3
    • Views: 797
    02-16-2017, 10:16 AM Go to last post
  27. potential relays

    Started by coolerinfrederick, 02-12-2017 10:07 AM
    • Replies: 8
    • Views: 1,055
    02-14-2017, 10:11 PM Go to last post
    • Replies: 3
    • Views: 890
    02-14-2017, 07:30 PM Go to last post
  28. Post Clocking Gas Meter

    Started by Push It, 02-14-2017 11:23 AM
    • Replies: 2
    • Views: 698
    02-14-2017, 11:46 AM Go to last post
  29. What tonnage is this?

    Started by VanMan812, 02-13-2017 10:17 PM
    • Replies: 3
    • Views: 691
    02-13-2017, 11:44 PM Go to last post
  30. Greenheck ignition cable flame rod cable

    Started by Service93, 02-11-2017 01:07 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,534
    02-13-2017, 10:51 PM Go to last post
  31. "ECONOFRESH" from Hitachi.

    Started by Juan Madera, 12-07-2016 05:50 PM
    economizer, variable refrigerant flow
    • Replies: 2
    • Views: 733
    02-12-2017, 11:35 PM Go to last post
  32. High sub-cooling, high super heat but flashing sight glass

    Started by hvacmo, 02-03-2017 11:19 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 81
    • Views: 5,646
    02-12-2017, 11:10 PM Go to last post
  33. Looking For Reccomended Readings

    Started by Connor Harkness, 02-09-2017 09:43 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,416
    02-12-2017, 10:59 PM Go to last post
  34. Trane RTU 20x35x2 Filters

    Started by Mileo407, 01-28-2017 09:50 PM
    • Replies: 7
    • Views: 1,889
    02-12-2017, 09:41 PM Go to last post
  35. from HP80 to 404A with no oil change

    Started by bwd111, 02-11-2017 08:59 PM
    • Replies: 2
    • Views: 666
    02-12-2017, 09:25 AM Go to last post
  36. Low ambient control

    Started by icy78, 02-09-2017 06:28 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,647
    02-11-2017, 10:48 AM Go to last post
  37. Carrier Wire diagram needed

    Started by HSI, 02-09-2017 06:07 PM
    • Replies: 1
    • Views: 626
    02-09-2017, 08:16 PM Go to last post
  38. txv brazing techniques

    Started by mizzouhvac, 06-19-2011 08:56 AM
    5 Pages
    1 2 3 4 5
    • Replies: 53
    • Views: 20,995
    02-08-2017, 08:20 AM Go to last post
  39. Cool cleaning a Trane

    Started by VanMan812, 02-06-2017 12:27 PM
    • Replies: 3
    • Views: 984
    02-07-2017, 01:28 AM Go to last post
  40. Odd condenser location and freezing issues

    Started by slick101, 02-06-2017 12:06 AM
    • Replies: 0
    • Views: 597
    02-06-2017, 12:06 AM Go to last post
  41. I hate phantom voltage

    Started by 2sac, 12-09-2011 12:36 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,931
    02-05-2017, 11:18 AM Go to last post
  42. Mitsubishi Condensing Unit Problems

    Started by western, 02-02-2017 09:56 PM
    • Replies: 1
    • Views: 692
    02-05-2017, 06:28 AM Go to last post
  43. Carrier 48AKE050-G-111HK Economizer question

    Started by cfe, 02-04-2017 11:57 AM
    • Replies: 4
    • Views: 612
    02-04-2017, 10:36 PM Go to last post
    • Replies: 3
    • Views: 769
    02-04-2017, 06:17 PM Go to last post
  44. Intellipak gas heat question

    Started by acjourneyman, 01-24-2017 01:45 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,006
    02-04-2017, 02:06 PM Go to last post
  45. heatpump design

    Started by johnnyb, 02-02-2017 11:53 PM
    • Replies: 6
    • Views: 751
    02-04-2017, 01:08 PM Go to last post
  46. Job post : requirement handle 30' ext. ladder .

    Started by jmiles, 01-24-2017 09:53 AM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 3,746
    02-03-2017, 08:38 PM Go to last post
  47. Furnace Intermittent Pilot Problem

    Started by SpyGuy, 11-22-2011 04:13 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 9,928
    02-03-2017, 07:52 AM Go to last post

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