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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: NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 3,673
    08-10-2011, 04:34 PM Go to last post
  1. Confused veriable blower

    Started by hvacdet1, 04-24-2013 10:51 PM
    • Replies: 1
    • Views: 308
    05-02-2013, 07:47 PM Go to last post
  2. What does "A.C.P." mean?

    Started by HVAC_Austin, 04-25-2013 10:27 PM
    • Replies: 8
    • Views: 1,014
    05-02-2013, 11:54 AM Go to last post
  3. N2 as refrigerant

    Started by kefah, 05-01-2013 04:42 PM
    • Replies: 5
    • Views: 546
    05-01-2013, 09:47 PM Go to last post
  4. Daikin vrv111

    Started by cjbjrb, 03-29-2012 10:54 AM
    • Replies: 4
    • Views: 851
    05-01-2013, 09:08 PM Go to last post
  5. What's wrong with this picture?

    Started by Workin4TheMan, 05-01-2013 11:02 AM
    • Replies: 8
    • Views: 706
    05-01-2013, 12:52 PM Go to last post
  6. Re Verber Ray Radiant Tube heaters

    Started by newyorkjets, 04-30-2013 07:33 PM
    • Replies: 3
    • Views: 614
    05-01-2013, 11:59 AM Go to last post
  7. Accustat LEMS2-AH11-R

    Started by Timber, 04-30-2013 04:51 PM
    • Replies: 4
    • Views: 377
    05-01-2013, 11:28 AM Go to last post
  8. Question BACnet Standalone Thermostats

    Started by squiggles, 04-30-2013 05:29 PM
    • Replies: 0
    • Views: 178
    04-30-2013, 05:29 PM Go to last post
  9. Need a little help

    Started by ColdBeers, 04-30-2013 09:44 AM
    • Replies: 5
    • Views: 493
    04-30-2013, 12:06 PM Go to last post
  10. ac Contactors in split ac outdoor unit

    Started by kefah, 04-23-2013 04:18 PM
    • Replies: 6
    • Views: 990
    04-30-2013, 10:32 AM Go to last post
  11. what would you say about HC refrigerant?

    Started by gzhjb, 04-30-2013 09:45 AM
    • Replies: 0
    • Views: 211
    04-30-2013, 09:45 AM Go to last post
  12. Confused Carrier 4442

    Started by refrigeration johnny, 04-29-2013 08:27 PM
    • Replies: 1
    • Views: 317
    04-29-2013, 11:40 PM Go to last post
  13. My first blown transformer! (I'm so proud)

    Started by HVAC_Austin, 04-09-2013 07:23 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 2,976
    04-28-2013, 08:13 PM Go to last post
    • Replies: 6
    • Views: 951
    04-28-2013, 05:13 PM Go to last post
  14. Is this new? I have never seen any.

    Started by cehs, 04-23-2013 02:15 PM
    • Replies: 12
    • Views: 991
    04-28-2013, 04:54 PM Go to last post
  15. Trane model E shaft seal replacment question.

    Started by sogib, 04-27-2013 07:58 AM
    • Replies: 3
    • Views: 694
    04-28-2013, 01:49 PM Go to last post
  16. What would you have done

    Started by cavalieri85, 04-17-2013 04:21 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,405
    04-28-2013, 12:25 PM Go to last post
  17. R-507?

    Started by Grayline, 04-14-2013 02:19 PM
    • Replies: 4
    • Views: 564
    04-27-2013, 10:29 PM Go to last post
  18. Marley gearbox bearing change

    Started by Freightshaker, 04-11-2013 10:50 PM
    • Replies: 10
    • Views: 1,154
    04-27-2013, 10:19 AM Go to last post
  19. Diagnosing Faulty TXV

    Started by dixie2005, 07-20-2005 09:22 PM
    • Replies: 9
    • Views: 11,270
    04-26-2013, 07:42 AM Go to last post
  20. GCS3 ignition failure

    Started by MontanaBighorn, 10-17-2012 08:27 PM
    • Replies: 11
    • Views: 1,671
    04-26-2013, 12:22 AM Go to last post
  21. Liebert 30 ton DS’ LPCO question

    Started by mixsit, 04-25-2013 06:11 PM
    • Replies: 2
    • Views: 338
    04-25-2013, 11:19 PM Go to last post
  22. Motor amperage

    Started by northeastbeast, 04-25-2013 06:59 PM
    • Replies: 4
    • Views: 521
    04-25-2013, 07:44 PM Go to last post
  23. Confused Humidifcation Bundle Question on New AHU

    Started by CHAMBERS87, 04-24-2013 08:19 AM
    • Replies: 3
    • Views: 315
    04-25-2013, 02:06 PM Go to last post
  24. Discharge air controller

    Started by fr420, 04-22-2013 04:25 PM
    • Replies: 4
    • Views: 531
    04-25-2013, 01:47 PM Go to last post
    • Replies: 4
    • Views: 468
    04-25-2013, 11:35 AM Go to last post
  25. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 4,970
    04-25-2013, 09:31 AM Go to last post
  26. Rheem

    Started by merlin73, 04-24-2013 08:05 PM
    • Replies: 3
    • Views: 457
    04-25-2013, 07:41 AM Go to last post
  27. forgot to wrap filter/drier with wet rags

    Started by Timber, 04-16-2013 08:54 PM
    • Replies: 12
    • Views: 962
    04-24-2013, 11:27 PM Go to last post
  28. Question STULS 4 TON TEV REMOVAL

    Started by mrhvacmechanic, 04-15-2013 07:48 PM
    • Replies: 1
    • Views: 318
    04-24-2013, 09:45 PM Go to last post
  29. Lieberts and High Head Pressure Limit Switch

    Started by quonix, 07-18-2012 01:56 PM
    • Replies: 12
    • Views: 2,056
    04-24-2013, 09:37 PM Go to last post
  30. Upstream/ downstream

    Started by tpodany88, 04-24-2013 07:32 PM
    • Replies: 2
    • Views: 395
    04-24-2013, 08:10 PM Go to last post
  31. YORK SCREW CHILLER 177 TON

    Started by RICKY G, 04-18-2013 05:26 PM
    • Replies: 9
    • Views: 808
    04-24-2013, 05:28 PM Go to last post
    • Replies: 0
    • Views: 279
    04-23-2013, 05:09 PM Go to last post
  32. Arc flash training

    Started by trykonxlgold75, 12-11-2012 02:08 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,969
    04-22-2013, 07:28 AM Go to last post
  33. trane modle number

    Started by heavenlyair, 04-19-2013 11:34 AM
    • Replies: 2
    • Views: 417
    04-21-2013, 12:04 PM Go to last post
  34. Digital or Manual

    Started by richvacr, 04-18-2013 09:52 PM
    • Replies: 11
    • Views: 785
    04-20-2013, 11:52 PM Go to last post
  35. 3 phase ac compressor

    Started by biggi, 04-16-2013 08:34 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 4,596
    04-20-2013, 07:09 AM Go to last post
  36. Trane Intellipak Exhaust Fan Failure

    Started by elvis66, 04-19-2013 04:33 PM
    • Replies: 1
    • Views: 552
    04-19-2013, 05:56 PM Go to last post
  37. Anyone using Field Connect software?

    Started by canman13, 04-19-2013 01:10 PM
    • Replies: 1
    • Views: 290
    04-19-2013, 03:22 PM Go to last post
  38. Trane Package Unit TXV Retrofit Kits

    Started by lowtech, 04-13-2013 04:32 PM
    • Replies: 5
    • Views: 1,210
    04-19-2013, 11:26 AM Go to last post
  39. micron guage

    Started by t2, 02-15-2013 07:11 AM
    • Replies: 8
    • Views: 906
    04-18-2013, 09:50 PM Go to last post
  40. trane intellipak vfd

    Started by anthonyac1, 04-13-2013 10:56 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,297
    04-18-2013, 11:50 AM Go to last post
  41. Carrier gemini need help

    Started by Coltpr1, 04-17-2013 07:12 PM
    • Replies: 2
    • Views: 399
    04-18-2013, 07:28 AM Go to last post
    • Replies: 0
    • Views: 517
    04-18-2013, 07:20 AM Go to last post
  42. Trane Voyager test Mode

    Started by jmiles, 04-17-2013 08:07 PM
    • Replies: 3
    • Views: 552
    04-18-2013, 12:03 AM Go to last post
  43. Trouble splitting Trane TSC RTU condenser

    Started by lowtech, 04-17-2013 07:36 AM
    • Replies: 3
    • Views: 473
    04-17-2013, 07:08 PM Go to last post
  44. Confused CARRIER AQUA SNAP CHILLER AUTO RESET ALARMS

    Started by mrhvacmechanic, 04-15-2013 07:53 PM
    • Replies: 3
    • Views: 788
    04-17-2013, 05:27 PM Go to last post
  45. Anyone Seen Hail Damage like this?

    Started by Grayline, 04-16-2013 06:55 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,339
    04-17-2013, 10:21 AM Go to last post
  46. Variable-Pitch Axial Fan VFD Install

    Started by cjolmsted, 04-01-2013 07:13 PM
    • Replies: 6
    • Views: 1,297
    04-16-2013, 02:37 PM Go to last post

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