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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: 10,639
    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: 25
    • Views: 1,748
    06-30-2016, 09:29 PM Go to last post
  3. copper to brass

    Started by 9live, 06-23-2016 11:00 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,768
    06-30-2016, 07:47 PM Go to last post
  4. Glycol/Water System Leak

    Started by miker.hvac, 06-29-2016 07:53 PM
    • Replies: 9
    • Views: 787
    06-30-2016, 03:08 PM Go to last post
  5. Reusing reclaimed refrigerant

    Started by ColoradoTechJoe, 06-17-2016 10:44 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 3,197
    06-30-2016, 03:05 PM Go to last post
  6. Older Aerco steam converter

    Started by jman2794, 06-28-2016 10:51 PM
    • Replies: 7
    • Views: 911
    06-30-2016, 01:37 PM Go to last post
  7. 3 Phase change out?

    Started by kylefield, 06-19-2016 11:44 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,441
    06-29-2016, 11:17 PM Go to last post
  8. Carrier 30ran040511pk lost communication

    Started by Hvactech76, 06-29-2016 05:44 PM
    • Replies: 0
    • Views: 375
    06-29-2016, 05:44 PM Go to last post
  9. Flash Freezer Superheat

    Started by sandpipertech, 06-28-2016 04:05 PM
    • Replies: 8
    • Views: 665
    06-29-2016, 06:23 AM Go to last post
  10. Water relief valve stuck open?

    Started by DeniV, 06-28-2016 10:08 AM
    • Replies: 7
    • Views: 709
    06-28-2016, 11:22 PM Go to last post
  11. Austin Texas

    Started by iron, 06-24-2016 03:24 PM
    • Replies: 4
    • Views: 648
    06-28-2016, 07:41 AM Go to last post
  12. Trane RTU , wheres the leak ?

    Started by Snapperhead, 05-24-2016 09:10 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,996
    06-28-2016, 12:07 AM Go to last post
  13. Mitsubishi City Multi evacuation and charging

    Started by nmt6789, 05-14-2016 10:01 AM
    • Replies: 8
    • Views: 1,572
    06-27-2016, 11:18 PM Go to last post
  14. Liebert AC for computer room

    Started by LSullivan, 06-22-2016 04:13 PM
    • Replies: 12
    • Views: 1,356
    06-27-2016, 10:18 PM Go to last post
  15. r-22 with poe oil

    Started by anthonyac1, 03-12-2012 09:48 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 39,561
    06-27-2016, 08:13 PM Go to last post
  16. Rheem rooftops

    Started by ohiohvac, 06-26-2016 03:04 PM
    • Replies: 1
    • Views: 572
    06-26-2016, 09:01 PM Go to last post
  17. Didn't know Mcquay had these units

    Started by brownbz, 06-22-2016 05:57 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,480
    06-26-2016, 03:04 PM Go to last post
  18. Evaporator Nozzels.

    Started by lytning, 06-26-2016 07:19 AM
    • Replies: 5
    • Views: 719
    06-26-2016, 11:06 AM Go to last post
  19. Old Yorkie

    Started by BBeerme, 06-09-2016 09:29 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,801
    06-25-2016, 09:27 PM Go to last post
  20. Troubleshooting fujitsu

    Started by ds816dnbmech, 06-24-2016 08:17 AM
    • Replies: 0
    • Views: 482
    06-24-2016, 08:17 AM Go to last post
  21. need help troubleshooting trane 5 ton gaspack

    Started by Jbf430, 06-22-2016 10:04 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,352
    06-24-2016, 04:31 AM Go to last post
  22. Kills me....

    Started by brownbz, 06-21-2016 08:21 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,205
    06-23-2016, 08:58 PM Go to last post
    • Replies: 3
    • Views: 579
    06-23-2016, 07:28 PM Go to last post
  23. 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: 1,474
    06-23-2016, 06:44 PM Go to last post
  24. carrier water source heat pump

    Started by CRL, 06-21-2016 12:19 PM
    • Replies: 5
    • Views: 679
    06-22-2016, 11:33 PM Go to last post
  25. Economizer keeps moving non stop

    Started by wetbar, 04-08-2016 12:36 AM
    • Replies: 7
    • Views: 1,439
    06-22-2016, 07:11 PM Go to last post
  26. Understanding Unloading

    Started by DDCSD, 06-15-2016 01:36 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 3,137
    06-21-2016, 09:28 PM Go to last post
  27. thermotron (weather chamber)

    Started by myschool2009, 04-25-2016 11:33 PM
    • Replies: 4
    • Views: 800
    06-20-2016, 04:06 PM Go to last post
  28. TRUE TS-49F

    Started by Takete, 06-18-2016 08:15 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,535
    06-20-2016, 12:36 AM Go to last post
  29. Question HZ432 Zone Controler

    Started by sbj, 06-18-2016 05:57 PM
    • Replies: 7
    • Views: 568
    06-19-2016, 10:15 PM Go to last post
  30. Carrier 38APD090 suction related faults

    Started by heatingman, 05-12-2016 09:16 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,490
    06-17-2016, 10:10 PM Go to last post
  31. Variable Primary Chiller Piping

    Started by DDCSD, 05-24-2016 12:01 AM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 4,932
    06-17-2016, 09:47 PM Go to last post
  32. Confused Mis-Matched system performance

    Started by HVACRMAN1968, 06-12-2016 09:13 PM
    • Replies: 4
    • Views: 662
    06-17-2016, 09:36 PM Go to last post
  33. PRV - pressure reducing valve question

    Started by northernfitter, 06-16-2016 08:01 PM
    • Replies: 4
    • Views: 622
    06-17-2016, 09:26 PM Go to last post
  34. York chiller

    Started by tarponfly, 06-01-2016 04:22 PM
    • Replies: 8
    • Views: 1,013
    06-17-2016, 10:39 AM Go to last post
  35. 120V Commercial Honeywell thermostat install question

    Started by 520, 06-10-2016 06:23 PM
    • Replies: 3
    • Views: 727
    06-16-2016, 06:41 PM Go to last post
  36. UC800 Modbus RTU

    Started by bobbys, 06-06-2016 01:28 PM
    • Replies: 3
    • Views: 1,024
    06-15-2016, 07:12 PM Go to last post
  37. Charging Auto A/C

    Started by hands, 06-12-2016 09:48 PM
    • Replies: 7
    • Views: 970
    06-14-2016, 09:07 AM Go to last post
  38. 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: 6,257
    06-13-2016, 09:02 AM Go to last post
  39. Need Help With job

    Started by rvandervelden, 04-04-2016 06:28 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 4,277
    06-12-2016, 08:23 PM Go to last post
  40. LLEWELLYN drier issues...

    Started by erwatkins, 06-08-2016 05:29 PM
    • Replies: 5
    • Views: 710
    06-12-2016, 06:22 PM Go to last post
  41. Confused Need some help:Cerus VFD Troubleshooting

    Started by KaycieNewbie, 06-02-2016 11:47 PM
    • Replies: 7
    • Views: 1,064
    06-12-2016, 12:40 AM Go to last post
    • Replies: 9
    • Views: 811
    06-11-2016, 11:05 PM Go to last post
  42. Smile PGE18OH360OAA Commercial ICP

    Started by Joseph'bidness, 05-21-2016 10:05 AM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 2,468
    06-11-2016, 01:18 PM Go to last post
  43. Belimo Actuator Parts

    Started by R123, 06-10-2016 04:33 PM
    • Replies: 0
    • Views: 534
    06-10-2016, 04:33 PM Go to last post
  44. Confused Why all the failures?

    Started by bucketeye, 06-08-2016 03:30 PM
    • Replies: 1
    • Views: 729
    06-09-2016, 09:35 AM Go to last post
  45. Digi-RTU.......yes or no?

    Started by Mikeylikesit, 06-01-2016 05:30 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,269
    06-08-2016, 09:22 PM Go to last post
  46. York rooftop with economizer

    Started by ALPHADOG3, 06-04-2016 04:51 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,836
    06-07-2016, 05:07 PM Go to last post
  47. T051 alarm code

    Started by DJ Tech, 05-16-2016 09:21 PM
    • Replies: 6
    • Views: 1,123
    06-06-2016, 08:53 PM Go to last post
  48. Let's lighten things up

    Started by servicefitter, 06-06-2016 07:23 PM
    • Replies: 3
    • Views: 734
    06-06-2016, 07:29 PM Go to last post
  49. Chilled Water System Curve

    Started by JHarring, 05-27-2016 02:50 PM
    • Replies: 11
    • Views: 1,129
    06-06-2016, 01:14 PM Go to last post

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