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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: 10,756
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Rusted compressor stub - leaking

    Started by Jigjoe, Yesterday 02:01 PM
    • Replies: 6
    • Views: 187
    Today, 12:20 PM Go to last post
  3. York Service Manual 160.80-M1

    Started by koolaid747, 01-08-2013 09:35 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 7,388
    Yesterday, 05:10 PM Go to last post
  4. Erie pop top actuator

    Started by Bglenn525, 04-17-2018 07:32 PM
    • Replies: 4
    • Views: 166
    Yesterday, 08:52 AM Go to last post
  5. Need Help With job

    Started by rvandervelden, 04-04-2016 06:28 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 5,412
    04-17-2018, 03:56 PM Go to last post
  6. CRAC Shaft

    Started by Tommytools, 04-12-2018 07:35 AM
    • Replies: 7
    • Views: 423
    04-16-2018, 07:31 AM Go to last post
    • Replies: 2
    • Views: 184
    04-15-2018, 10:32 PM Go to last post
  7. Daikin SCUD

    Started by Texa$HVACTech, 04-07-2018 12:24 PM
    • Replies: 3
    • Views: 310
    04-15-2018, 09:24 AM Go to last post
  8. Carriers W7220 Economizer

    Started by robertmb3, 04-09-2018 08:44 PM
    • Replies: 5
    • Views: 339
    04-11-2018, 08:20 AM Go to last post
  9. Rebuilding Steam Valve

    Started by BrotatoChip, 04-10-2018 11:30 AM
    • Replies: 6
    • Views: 257
    04-11-2018, 07:56 AM Go to last post
  10. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 3
    • Views: 856
    04-10-2018, 06:26 PM Go to last post
  11. Vari-Trane VAV noise

    Started by tchntch, 12-08-2012 10:46 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 11,022
    04-10-2018, 12:43 PM Go to last post
  12. Who knows York programming

    Started by Snapperhead, 06-21-2017 09:48 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,021
    04-08-2018, 04:52 PM Go to last post
  13. Trane tracer manual needed

    Started by anthonyac1, 04-03-2018 07:41 PM
    • Replies: 11
    • Views: 366
    04-08-2018, 10:18 AM Go to last post
  14. Need Assistance Trane Reliatel New Unit Install

    Started by JAYYJR, 03-19-2018 07:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 706
    04-07-2018, 03:34 PM Go to last post
  15. This is why Preventive Maintenance is a waste of money.

    Started by Mike19, 08-21-2014 12:16 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 71
    • Views: 13,965
    04-07-2018, 01:49 PM Go to last post
  16. Commercial HVAC tools

    Started by Nando17, 03-12-2018 12:11 AM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 2,009
    04-07-2018, 01:42 PM Go to last post
  17. Liebert system 3 (older interface)

    Started by Jigjoe, 04-04-2018 02:43 PM
    • Replies: 6
    • Views: 320
    04-07-2018, 08:48 AM Go to last post
  18. 502 converted to 408A centrifuge (missing info) help

    Started by dart289, 03-29-2018 09:19 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 611
    04-06-2018, 03:40 PM Go to last post
  19. McQuay WSC063 help

    Started by JLHook, 04-05-2018 05:45 PM
    • Replies: 4
    • Views: 215
    04-06-2018, 07:38 AM Go to last post
  20. Evacuating Multi City Unit

    Started by Noobie861, 04-02-2018 04:24 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 691
    04-05-2018, 02:27 PM Go to last post
  21. Brazing cast iron

    Started by TURBOFIRE, 03-20-2018 11:02 AM
    • Replies: 11
    • Views: 698
    04-04-2018, 10:25 PM Go to last post
    • Replies: 14
    • Views: 581
    04-04-2018, 11:41 AM Go to last post
  22. Pilot tube gas pressure

    Started by Bglenn525, 03-29-2018 09:23 PM
    • Replies: 7
    • Views: 405
    04-04-2018, 08:47 AM Go to last post
  23. Question On A New Unit - Split Off

    Started by singlephaser, 03-08-2018 07:44 AM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 1,394
    04-03-2018, 10:12 AM Go to last post
  24. Need a Fan Curve

    Started by WAYNE3298, 04-02-2018 11:38 AM
    • Replies: 8
    • Views: 236
    04-02-2018, 08:04 PM Go to last post
    • Replies: 8
    • Views: 274
    04-02-2018, 05:55 PM Go to last post
  25. Switching motor speeds with relay

    Started by Oodly, 03-30-2018 07:40 PM
    • Replies: 10
    • Views: 437
    04-01-2018, 03:35 PM Go to last post
  26. Bluon r-G8 Refrigerant....

    Started by ems4ty, 10-17-2012 10:55 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 15,163
    03-31-2018, 08:13 AM Go to last post
  27. New energy standards

    Started by Bglenn525, 03-28-2018 06:43 PM
    • Replies: 1
    • Views: 237
    03-28-2018, 08:52 PM Go to last post
  28. Trane CRHM150 shaking

    Started by Wallywimple, 03-27-2018 01:33 PM
    • Replies: 4
    • Views: 325
    03-27-2018, 06:06 PM Go to last post
  29. Air rotation unit motor problem

    Started by hvac17011, 03-21-2018 06:50 PM
    • Replies: 11
    • Views: 426
    03-27-2018, 06:04 PM Go to last post
  30. Water cooled vs air cooled chillers

    Started by canadianenginer, 03-26-2018 06:20 PM
    • Replies: 6
    • Views: 336
    03-27-2018, 10:43 AM Go to last post
  31. Major VRF brands in Canada

    Started by canadianenginer, 03-26-2018 06:24 PM
    • Replies: 1
    • Views: 197
    03-27-2018, 09:38 AM Go to last post
    • Replies: 7
    • Views: 369
    03-27-2018, 12:04 AM Go to last post
    • Replies: 0
    • Views: 205
    03-26-2018, 06:33 PM Go to last post
  32. Psychrometric chart software

    Started by canadianenginer, 03-26-2018 06:32 PM
    • Replies: 0
    • Views: 206
    03-26-2018, 06:32 PM Go to last post
    • Replies: 1
    • Views: 265
    03-26-2018, 12:53 PM Go to last post
  33. Hooking an alarm up to a condensate pump

    Started by ammoniadog, 03-08-2018 09:00 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 776
    03-26-2018, 08:17 AM Go to last post
  34. R134a in New R410a system?

    Started by Shard, 03-26-2018 03:30 AM
    • Replies: 3
    • Views: 344
    03-26-2018, 04:06 AM Go to last post
  35. Goodman gaspack

    Started by Jpnc3906, 03-05-2018 11:09 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 752
    03-25-2018, 01:56 PM Go to last post
  36. Daikin VRV System Loosing compressors

    Started by kphillips, 03-15-2018 07:54 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 885
    03-24-2018, 10:54 PM Go to last post
  37. Mixing POE and Mineral OIL and Flushng.

    Started by norman78, 03-15-2018 02:44 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 837
    03-23-2018, 10:50 AM Go to last post
  38. EnerNet Control System

    Started by wre2000mw, 03-22-2018 04:09 PM
    • Replies: 1
    • Views: 237
    03-22-2018, 09:16 PM Go to last post
  39. Water source heatpump

    Started by Bglenn525, 03-12-2018 09:08 PM
    • Replies: 2
    • Views: 355
    03-22-2018, 02:43 PM Go to last post
  40. Trane rooftops mo99 retrofit

    Started by jackpiner, 06-16-2017 08:54 AM
    5 Pages
    1 2 3 4 5
    • Replies: 59
    • Views: 1,596
    03-22-2018, 10:15 AM Go to last post
  41. Retrofitting 100hp open drive system - Need some ideas

    Started by copperteeth, 03-16-2018 07:56 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 714
    03-21-2018, 07:42 AM Go to last post
  42. Bypassing Hi/Low pressure cut offs

    Started by hurtinhvac, 03-17-2012 02:19 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 15,560
    03-20-2018, 07:59 PM Go to last post
  43. aaon model and serial nomaclature

    Started by dbooker, 03-20-2018 06:12 AM
    • Replies: 2
    • Views: 231
    03-20-2018, 07:46 PM Go to last post
    • Replies: 0
    • Views: 215
    03-20-2018, 05:30 PM Go to last post
  44. old trane 50 ton controls and alarms

    Started by mccann, 03-15-2018 06:57 AM
    • Replies: 6
    • Views: 413
    03-20-2018, 04:04 PM Go to last post

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