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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: 8,835
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

    • Replies: 17
    • Views: 539
    07-08-2016, 12:07 AM Go to last post
  2. ComfortNet Thermostat.. (Daikin, Goodman, Amana)

    Started by knave, 07-07-2016 09:01 PM
    • Replies: 1
    • Views: 176
    07-07-2016, 09:52 PM Go to last post
  3. Restaurant pressurization issue

    Started by jdere, 07-06-2016 12:54 PM
    • Replies: 11
    • Views: 372
    07-07-2016, 12:33 PM Go to last post
  4. In need of Data Aire DAAD-2034 service manual

    Started by snooked321, 07-07-2016 11:04 AM
    • Replies: 1
    • Views: 141
    07-07-2016, 11:29 AM Go to last post
  5. Short to ground

    Started by VanMan812, 06-24-2016 01:28 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 1,790
    07-07-2016, 07:07 AM Go to last post
  6. Restrictions on cascade freezers

    Started by electechbw, 06-28-2016 09:15 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 622
    07-06-2016, 08:39 PM Go to last post
  7. Kairak condensing units

    Started by rowejms22, 07-05-2016 05:32 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 476
    07-05-2016, 09:35 PM Go to last post
  8. Low head/suction psi normal SC/SH normal TD

    Started by sheedyhvac, 06-30-2016 11:48 PM
    • Replies: 7
    • Views: 443
    07-05-2016, 09:33 PM Go to last post
  9. Fujitsu mini split

    Started by AJS HVAC, 07-03-2016 02:15 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 596
    07-04-2016, 10:25 PM Go to last post
  10. Compressor Burnout Procedure

    Started by acbean, 06-04-2016 09:00 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,427
    07-04-2016, 05:11 PM Go to last post
  11. 410A Negative Cold Room? Not holding below 68.

    Started by Snaple4, 06-29-2016 08:11 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 1,068
    07-03-2016, 08:13 PM Go to last post
  12. True TDBD 72-2 display case.

    Started by lytning, 06-28-2016 03:49 PM
    • Replies: 5
    • Views: 325
    07-03-2016, 01:35 PM Go to last post
  13. Carlyle 06t screw comp.

    Started by jmking521, 06-20-2016 03:54 PM
    • Replies: 12
    • Views: 558
    07-03-2016, 12:04 PM Go to last post
  14. Must be getting old

    Started by BBeerme, 07-01-2016 07:28 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 1,049
    07-02-2016, 01:42 PM Go to last post
  15. Apps

    Started by Chef101, 07-01-2016 10:16 AM
    • Replies: 5
    • Views: 302
    07-02-2016, 01:51 AM Go to last post
  16. Trying to find other end of condenser wire

    Started by brownbz, 06-28-2016 11:20 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 803
    06-30-2016, 09:29 PM Go to last post
  17. copper to brass

    Started by 9live, 06-23-2016 11:00 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 833
    06-30-2016, 07:47 PM Go to last post
  18. Glycol/Water System Leak

    Started by miker.hvac, 06-29-2016 07:53 PM
    • Replies: 9
    • Views: 322
    06-30-2016, 03:08 PM Go to last post
  19. Reusing reclaimed refrigerant

    Started by ColoradoTechJoe, 06-17-2016 10:44 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,436
    06-30-2016, 03:05 PM Go to last post
  20. Annealing stainless steel tubing

    Started by FrostGiant, 06-30-2016 01:54 PM
    • Replies: 0
    • Views: 172
    06-30-2016, 01:54 PM Go to last post
  21. Older Aerco steam converter

    Started by jman2794, 06-28-2016 10:51 PM
    • Replies: 7
    • Views: 308
    06-30-2016, 01:37 PM Go to last post
  22. 3 Phase change out?

    Started by kylefield, 06-19-2016 11:44 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 715
    06-29-2016, 11:17 PM Go to last post
  23. Carrier 30ran040511pk lost communication

    Started by Hvactech76, 06-29-2016 05:44 PM
    • Replies: 0
    • Views: 167
    06-29-2016, 05:44 PM Go to last post
  24. Flash Freezer Superheat

    Started by sandpipertech, 06-28-2016 04:05 PM
    • Replies: 8
    • Views: 300
    06-29-2016, 06:23 AM Go to last post
  25. Water relief valve stuck open?

    Started by DeniV, 06-28-2016 10:08 AM
    • Replies: 7
    • Views: 340
    06-28-2016, 11:22 PM Go to last post
  26. Austin Texas

    Started by iron, 06-24-2016 03:24 PM
    • Replies: 4
    • Views: 370
    06-28-2016, 07:41 AM Go to last post
  27. Trane RTU , wheres the leak ?

    Started by Snapperhead, 05-24-2016 09:10 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 944
    06-28-2016, 12:07 AM Go to last post
  28. Mitsubishi City Multi evacuation and charging

    Started by nmt6789, 05-14-2016 10:01 AM
    • Replies: 8
    • Views: 725
    06-27-2016, 11:18 PM Go to last post
  29. Liebert AC for computer room

    Started by LSullivan, 06-22-2016 04:13 PM
    • Replies: 12
    • Views: 577
    06-27-2016, 10:18 PM Go to last post
  30. r-22 with poe oil

    Started by anthonyac1, 03-12-2012 09:48 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 31,531
    06-27-2016, 08:13 PM Go to last post
  31. Help with duct smoke detector

    Started by Bigpapi08, 09-04-2012 01:24 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,349
    06-27-2016, 12:35 PM Go to last post
  32. Rheem rooftops

    Started by ohiohvac, 06-26-2016 03:04 PM
    • Replies: 1
    • Views: 252
    06-26-2016, 09:01 PM Go to last post
  33. Didn't know Mcquay had these units

    Started by brownbz, 06-22-2016 05:57 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 756
    06-26-2016, 03:04 PM Go to last post
  34. Evaporator Nozzels.

    Started by lytning, 06-26-2016 07:19 AM
    • Replies: 5
    • Views: 310
    06-26-2016, 11:06 AM Go to last post
  35. Old Yorkie

    Started by BBeerme, 06-09-2016 09:29 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,018
    06-25-2016, 09:27 PM Go to last post
  36. Trane Short Orifice

    Started by corny, 06-20-2016 05:17 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 822
    06-25-2016, 05:01 PM Go to last post
  37. Troubleshooting fujitsu

    Started by ds816dnbmech, 06-24-2016 08:17 AM
    • Replies: 0
    • Views: 224
    06-24-2016, 08:17 AM Go to last post
  38. need help troubleshooting trane 5 ton gaspack

    Started by Jbf430, 06-22-2016 10:04 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 644
    06-24-2016, 04:31 AM Go to last post
  39. Kills me....

    Started by brownbz, 06-21-2016 08:21 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,016
    06-23-2016, 08:58 PM Go to last post
    • Replies: 3
    • Views: 217
    06-23-2016, 07:28 PM Go to last post
  40. Fire on a store, how to justify AC unit change

    Started by ElmoRoyD, 06-14-2016 12:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 848
    06-23-2016, 06:44 PM Go to last post
  41. carrier water source heat pump

    Started by CRL, 06-21-2016 12:19 PM
    • Replies: 5
    • Views: 319
    06-22-2016, 11:33 PM Go to last post
  42. Economizer keeps moving non stop

    Started by wetbar, 04-08-2016 12:36 AM
    • Replies: 7
    • Views: 789
    06-22-2016, 07:11 PM Go to last post
  43. Understanding Unloading

    Started by DDCSD, 06-15-2016 01:36 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,170
    06-21-2016, 09:28 PM Go to last post
  44. thermotron (weather chamber)

    Started by myschool2009, 04-25-2016 11:33 PM
    • Replies: 4
    • Views: 397
    06-20-2016, 04:06 PM Go to last post
  45. TRUE TS-49F

    Started by Takete, 06-18-2016 08:15 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 581
    06-20-2016, 12:36 AM Go to last post
  46. Question HZ432 Zone Controler

    Started by sbj, 06-18-2016 05:57 PM
    • Replies: 7
    • Views: 285
    06-19-2016, 10:15 PM Go to last post
  47. Problems with year old Mammoth WSHP

    Started by nmt6789, 06-18-2016 09:17 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 425
    06-19-2016, 02:14 PM Go to last post
  48. Carrier 38APD090 suction related faults

    Started by heatingman, 05-12-2016 09:16 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 1,268
    06-17-2016, 10:10 PM Go to last post
  49. Variable Primary Chiller Piping

    Started by DDCSD, 05-24-2016 12:01 AM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 2,234
    06-17-2016, 09:47 PM Go to last post

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