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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: 8,683
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Trying to find other end of condenser wire

    Started by brownbz, 06-28-2016 11:20 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 343
    Today, 07:11 AM Go to last post
  3. 410A Negative Cold Room? Not holding below 68.

    Started by Snaple4, Yesterday 08:11 PM
    • Replies: 7
    • Views: 123
    Today, 06:42 AM Go to last post
  4. 3 Phase change out?

    Started by kylefield, 06-19-2016 11:44 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 469
    Yesterday, 11:17 PM Go to last post
  5. Glycol/Water System Leak

    Started by miker.hvac, Yesterday 07:53 PM
    • Replies: 4
    • Views: 92
    Yesterday, 08:50 PM Go to last post
  6. Trane Intellipak 2

    Started by flydfan, 06-27-2016 10:32 PM
    • Replies: 5
    • Views: 220
    Yesterday, 07:25 PM Go to last post
  7. Older Aerco steam converter

    Started by jman2794, 06-28-2016 10:51 PM
    • Replies: 6
    • Views: 165
    Yesterday, 07:00 PM Go to last post
  8. Carrier 30ran040511pk lost communication

    Started by Hvactech76, Yesterday 05:44 PM
    • Replies: 0
    • Views: 48
    Yesterday, 05:44 PM Go to last post
  9. True TDBD 72-2 display case.

    Started by lytning, 06-28-2016 03:49 PM
    • Replies: 2
    • Views: 109
    Yesterday, 06:45 AM Go to last post
  10. Flash Freezer Superheat

    Started by sandpipertech, 06-28-2016 04:05 PM
    • Replies: 8
    • Views: 167
    Yesterday, 06:23 AM Go to last post
  11. Restrictions on cascade freezers

    Started by electechbw, 06-28-2016 09:15 AM
    • Replies: 2
    • Views: 128
    Yesterday, 12:16 AM Go to last post
  12. Water relief valve stuck open?

    Started by DeniV, 06-28-2016 10:08 AM
    • Replies: 7
    • Views: 213
    06-28-2016, 11:22 PM Go to last post
  13. Austin Texas

    Started by iron, 06-24-2016 03:24 PM
    • Replies: 4
    • Views: 256
    06-28-2016, 07:41 AM Go to last post
  14. Trane RTU , wheres the leak ?

    Started by Snapperhead, 05-24-2016 09:10 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 784
    06-28-2016, 12:07 AM Go to last post
  15. R-410 to R-134 conversion

    Started by Poodle Head Mikey, 06-25-2016 05:32 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 880
    06-27-2016, 11:52 PM Go to last post
  16. Mitsubishi City Multi evacuation and charging

    Started by nmt6789, 05-14-2016 10:01 AM
    • Replies: 8
    • Views: 618
    06-27-2016, 11:18 PM Go to last post
  17. Liebert AC for computer room

    Started by LSullivan, 06-22-2016 04:13 PM
    • Replies: 12
    • Views: 442
    06-27-2016, 10:18 PM Go to last post
  18. copper to brass

    Started by 9live, 06-23-2016 11:00 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 576
    06-27-2016, 09:32 PM Go to last post
  19. r-22 with poe oil

    Started by anthonyac1, 03-12-2012 09:48 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 30,364
    06-27-2016, 08:13 PM Go to last post
  20. Reusing reclaimed refrigerant

    Started by ColoradoTechJoe, 06-17-2016 10:44 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 1,088
    06-27-2016, 01:05 PM Go to last post
  21. Help with duct smoke detector

    Started by Bigpapi08, 09-04-2012 01:24 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,102
    06-27-2016, 12:35 PM Go to last post
  22. Rheem rooftops

    Started by ohiohvac, 06-26-2016 03:04 PM
    • Replies: 1
    • Views: 167
    06-26-2016, 09:01 PM Go to last post
  23. Didn't know Mcquay had these units

    Started by brownbz, 06-22-2016 05:57 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 597
    06-26-2016, 03:04 PM Go to last post
  24. Evaporator Nozzels.

    Started by lytning, 06-26-2016 07:19 AM
    • Replies: 5
    • Views: 216
    06-26-2016, 11:06 AM Go to last post
  25. Old Yorkie

    Started by BBeerme, 06-09-2016 09:29 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 872
    06-25-2016, 09:27 PM Go to last post
  26. Trane Short Orifice

    Started by corny, 06-20-2016 05:17 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 677
    06-25-2016, 05:01 PM Go to last post
  27. Carlyle 06t screw comp.

    Started by jmking521, 06-20-2016 03:54 PM
    • Replies: 6
    • Views: 315
    06-25-2016, 01:43 AM Go to last post
  28. Troubleshooting fujitsu

    Started by ds816dnbmech, 06-24-2016 08:17 AM
    • Replies: 0
    • Views: 145
    06-24-2016, 08:17 AM Go to last post
  29. need help troubleshooting trane 5 ton gaspack

    Started by Jbf430, 06-22-2016 10:04 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 517
    06-24-2016, 04:31 AM Go to last post
  30. Kills me....

    Started by brownbz, 06-21-2016 08:21 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 842
    06-23-2016, 08:58 PM Go to last post
    • Replies: 3
    • Views: 165
    06-23-2016, 07:28 PM Go to last post
  31. 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: 715
    06-23-2016, 06:44 PM Go to last post
  32. carrier water source heat pump

    Started by CRL, 06-21-2016 12:19 PM
    • Replies: 5
    • Views: 273
    06-22-2016, 11:33 PM Go to last post
  33. Economizer keeps moving non stop

    Started by wetbar, 04-08-2016 12:36 AM
    • Replies: 7
    • Views: 726
    06-22-2016, 07:11 PM Go to last post
  34. Understanding Unloading

    Started by DDCSD, 06-15-2016 01:36 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 986
    06-21-2016, 09:28 PM Go to last post
  35. thermotron (weather chamber)

    Started by myschool2009, 04-25-2016 11:33 PM
    • Replies: 4
    • Views: 355
    06-20-2016, 04:06 PM Go to last post
  36. TRUE TS-49F

    Started by Takete, 06-18-2016 08:15 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 514
    06-20-2016, 12:36 AM Go to last post
  37. Question HZ432 Zone Controler

    Started by sbj, 06-18-2016 05:57 PM
    • Replies: 7
    • Views: 225
    06-19-2016, 10:15 PM Go to last post
  38. Confused Carrier 48TME012---501

    Started by coyote, 06-18-2016 10:01 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 504
    06-19-2016, 03:49 PM Go to last post
  39. Problems with year old Mammoth WSHP

    Started by nmt6789, 06-18-2016 09:17 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 365
    06-19-2016, 02:14 PM Go to last post
  40. Carrier 38APD090 suction related faults

    Started by heatingman, 05-12-2016 09:16 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 1,148
    06-17-2016, 10:10 PM Go to last post
  41. Variable Primary Chiller Piping

    Started by DDCSD, 05-24-2016 12:01 AM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 2,017
    06-17-2016, 09:47 PM Go to last post
  42. Confused Mis-Matched system performance

    Started by HVACRMAN1968, 06-12-2016 09:13 PM
    • Replies: 4
    • Views: 263
    06-17-2016, 09:36 PM Go to last post
  43. PRV - pressure reducing valve question

    Started by northernfitter, 06-16-2016 08:01 PM
    • Replies: 4
    • Views: 240
    06-17-2016, 09:26 PM Go to last post
  44. York chiller

    Started by tarponfly, 06-01-2016 04:22 PM
    • Replies: 8
    • Views: 451
    06-17-2016, 10:39 AM Go to last post
  45. 120V Commercial Honeywell thermostat install question

    Started by 520, 06-10-2016 06:23 PM
    • Replies: 3
    • Views: 308
    06-16-2016, 06:41 PM Go to last post
  46. UC800 Modbus RTU

    Started by bobbys, 06-06-2016 01:28 PM
    • Replies: 3
    • Views: 289
    06-15-2016, 07:12 PM Go to last post
  47. Compressor Burnout Procedure

    Started by acbean, 06-04-2016 09:00 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 829
    06-14-2016, 04:26 PM Go to last post
  48. Charging Auto A/C

    Started by hands, 06-12-2016 09:48 PM
    • Replies: 7
    • Views: 408
    06-14-2016, 09:07 AM Go to last post
  49. Aaon Company Has me a Bit Pissed Off !!!

    Started by ARK Cooling, 02-18-2016 11:20 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 2,932
    06-13-2016, 09:02 AM Go to last post
  50. Leak Detection

    Started by acbean, 06-08-2016 07:07 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 744
    06-13-2016, 08:08 AM Go to last post

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