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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: 9,847
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. "ECONOFRESH" from Hitachi.

    Started by Juan Madera, 12-07-2016 05:50 PM
    economizer, variable refrigerant flow
    • Replies: 2
    • Views: 304
    02-12-2017, 11:35 PM Go to last post
    • Replies: 10
    • Views: 1,718
    09-23-2012, 06:41 PM Go to last post
  3. "old" Victaulic to "new"?

    Started by Randy S., 01-29-2010 10:56 AM
    • Replies: 12
    • Views: 4,621
    06-07-2012, 10:32 PM Go to last post
  4. Cool 'IOM' For Trane SWUD035FDA

    Started by rnoel, 10-18-2013 12:49 AM
    • Replies: 2
    • Views: 744
    10-19-2013, 10:32 PM Go to last post
  5. 'Large freon loss prevention via High Super Heat Monitoring'

    Started by mixsit, 07-26-2013 02:36 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,301
    06-11-2015, 04:39 AM Go to last post
  6. (ending the day with ice in FL)

    Started by hvacman2213, 01-28-2013 09:19 PM
    • Replies: 2
    • Views: 888
    01-29-2013, 12:06 AM Go to last post
  7. ...

    Started by jmiles, 12-22-2016 07:58 PM
    • Replies: 1
    • Views: 291
    12-22-2016, 10:13 PM Go to last post
  8. 06D compresor presures

    Started by GuitarDan, 08-20-2011 01:46 AM
    • Replies: 10
    • Views: 2,466
    08-30-2011, 03:06 AM Go to last post
  9. 06D Compressor question

    Started by MisterFixer, 08-31-2013 02:34 AM
    • Replies: 5
    • Views: 956
    09-03-2013, 11:56 PM Go to last post
    • Replies: 6
    • Views: 1,663
    07-12-2013, 06:52 AM Go to last post
  10. Confused 06D suction cut off unloader failure or not?

    Started by refmet, 07-24-2013 11:21 PM
    • Replies: 11
    • Views: 4,304
    06-06-2015, 10:13 AM Go to last post
  11. Confused 06d unloader

    Started by dhm-fixit, 06-20-2012 06:17 PM
    • Replies: 9
    • Views: 2,204
    06-24-2012, 08:09 PM Go to last post
  12. 06e question

    Started by newbe0507, 07-16-2013 07:10 PM
    • Replies: 3
    • Views: 813
    07-17-2013, 05:45 PM Go to last post
  13. 06E unloader question

    Started by mixsit, 08-28-2013 03:41 PM
    • Replies: 3
    • Views: 917
    08-29-2013, 05:27 PM Go to last post
    • Replies: 11
    • Views: 1,608
    09-04-2013, 11:57 AM Go to last post
  14. 06ET Compressor Pumps out the oil

    Started by servman, 10-07-2013 03:05 PM
    • Replies: 2
    • Views: 1,011
    10-07-2013, 04:07 PM Go to last post
    • Replies: 12
    • Views: 2,207
    10-30-2015, 11:55 AM Go to last post
  15. 1 Damper 2 Furnaces?

    Started by morepower7701, 10-18-2011 05:55 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,585
    01-23-2013, 10:14 PM Go to last post
  16. 1 phase 460v cond. motor?

    Started by jarganda83, 11-15-2012 09:53 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 8,301
    12-10-2012, 12:09 AM Go to last post
  17. 1.5 ton liebert unit

    Started by betoallstate, 03-28-2012 11:38 AM
    • Replies: 4
    • Views: 1,492
    03-29-2012, 08:59 AM Go to last post
  18. 10 ton Carrier Cond on a 7.5 AHU

    Started by Six, 06-26-2012 02:55 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 4,692
    03-21-2013, 10:00 PM Go to last post
  19. 10 Ton Package Unit 2nd Stage Compressor won't Start

    Started by jumstar, 04-07-2012 12:14 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,825
    04-10-2012, 03:32 PM Go to last post
  20. 10 Ton Rheem

    Started by VTP99, 07-07-2012 10:38 PM
    • Replies: 3
    • Views: 1,332
    07-08-2012, 08:21 AM Go to last post
  21. 10 ton scroll failure in trane system?

    Started by Trubbler, 06-13-2014 03:00 AM
    • Replies: 10
    • Views: 2,367
    06-17-2014, 11:08 AM Go to last post
  22. 10 ton split freezing up

    Started by DOGBOY, 07-24-2014 06:44 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 3,520
    07-29-2014, 09:08 AM Go to last post
  23. 10 ton trane need to reduce capacity

    Started by hvac17011, 02-14-2012 09:46 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,306
    02-22-2012, 11:55 PM Go to last post
  24. 10 TON TRANE PRECEDENT

    Started by VTP99, 11-15-2015 12:27 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,642
    04-05-2016, 12:19 PM Go to last post
  25. 10 ton York flame sensing

    Started by Refrig1234, 10-27-2016 06:41 PM
    • Replies: 2
    • Views: 402
    10-28-2016, 08:42 AM Go to last post
  26. 10/15 dg. and -20C walk in R-404a?

    Started by Ken11, 11-13-2013 07:31 PM
    • Replies: 0
    • Views: 522
    11-13-2013, 07:31 PM Go to last post
  27. 100 gal indirect

    Started by t2, 02-04-2012 10:58 AM
    • Replies: 3
    • Views: 929
    02-05-2012, 01:25 AM Go to last post
  28. 100+ BS Boxes Daiken Sytem in 3 months.

    Started by drife678, 06-24-2013 09:03 PM
    • Replies: 1
    • Views: 638
    06-26-2013, 05:48 AM Go to last post
  29. 100+pound recovery machine?

    Started by DeltaTech, 04-07-2013 06:03 PM
    • Replies: 9
    • Views: 1,858
    04-08-2013, 08:56 PM Go to last post
  30. 10K ohm resistor chart

    Started by Push It, 05-04-2013 01:49 PM
    • Replies: 6
    • Views: 6,831
    05-05-2013, 05:35 PM Go to last post
    • Replies: 4
    • Views: 1,831
    11-01-2012, 05:59 AM Go to last post
  31. 12 to 409a to 134a

    Started by docingram, 09-13-2013 12:23 PM
    • Replies: 9
    • Views: 1,918
    10-10-2013, 12:47 AM Go to last post
  32. Confused 12 to Trane gaspac freezing up

    Started by jimmyd5, 05-24-2016 05:11 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,022
    05-25-2016, 07:01 PM Go to last post
  33. 12 ton trane voyager

    Started by jmiles, 04-28-2012 02:37 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 3,476
    05-02-2012, 10:12 PM Go to last post
  34. 12 ton unit with only 2 supplies??

    Started by Ambition, 08-24-2016 09:44 PM
    • Replies: 4
    • Views: 709
    08-25-2016, 11:57 AM Go to last post
  35. 12.5 ton coil

    Started by rayr, 10-16-2013 02:43 PM
    • Replies: 0
    • Views: 557
    10-16-2013, 02:43 PM Go to last post
  36. 120V Commercial Honeywell thermostat install question

    Started by 520, 06-10-2016 06:23 PM
    • Replies: 3
    • Views: 595
    06-16-2016, 06:41 PM Go to last post
  37. 124 units ion a roof in one day , WOW.

    Started by fridg, 08-02-2014 02:52 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,320
    08-06-2014, 07:18 PM Go to last post
  38. 13 year old pkg

    Started by dsprice, 05-01-2012 05:43 PM
    • Replies: 8
    • Views: 1,515
    05-01-2012, 09:52 PM Go to last post
  39. 134a

    Started by roosel, 06-07-2012 10:36 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,002
    06-08-2012, 08:50 AM Go to last post
  40. 134a TXV on R-12 cooler?

    Started by JarrettHVAC, 09-08-2014 10:13 AM
    • Replies: 7
    • Views: 1,112
    09-13-2014, 03:30 PM Go to last post
  41. 15 ton geothermal compressor

    Started by Cimerian, 10-13-2016 09:01 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 908
    10-16-2016, 10:53 PM Go to last post
  42. 15 ton L-series

    Started by hvacguy99, 10-04-2012 07:40 PM
    • Replies: 1
    • Views: 949
    10-04-2012, 08:41 PM Go to last post
  43. 15 ton rheem split with low suction presure

    Started by blaw918, 05-07-2014 04:01 PM
    • Replies: 3
    • Views: 974
    05-07-2014, 04:28 PM Go to last post
  44. 19 XL Teardown

    Started by mikeg3066, 11-21-2013 12:32 PM
    • Replies: 4
    • Views: 1,627
    11-22-2013, 07:59 AM Go to last post
  45. 1950's Trane Univent

    Started by mkraintz, 09-02-2015 11:56 AM
    • Replies: 0
    • Views: 620
    09-02-2015, 11:56 AM Go to last post
  46. 1964 Carrier Condenser

    Started by Toddbrewster, 06-30-2012 09:10 AM
    • Replies: 7
    • Views: 2,071
    07-29-2012, 09:16 PM Go to last post

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