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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: 4,198
    08-10-2011, 04:34 PM Go to last post
  1. Noisy Aaon Rooftop Burners

    Started by ktr52, 04-25-2013 03:08 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,252
    05-12-2013, 12:04 AM Go to last post
  2. Walk in cooler trouble

    Started by Matango02, 04-12-2013 11:08 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 2,776
    05-11-2013, 10:37 AM Go to last post
  3. using gauges on multipal refrigerants

    Started by rkevins, 05-09-2013 09:09 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,165
    05-10-2013, 06:43 AM Go to last post
  4. Smoking Room - How to handle transfer air

    Started by deten, 05-07-2013 08:06 AM
    • Replies: 9
    • Views: 960
    05-09-2013, 10:19 AM Go to last post
  5. Siemans 24v contactor coil keeps failing

    Started by DeltaTech, 05-08-2013 10:37 AM
    • Replies: 4
    • Views: 791
    05-09-2013, 06:43 AM Go to last post
  6. Anyone know this company

    Started by Cmstech, 11-15-2012 09:26 PM
    • Replies: 2
    • Views: 814
    05-08-2013, 09:53 PM Go to last post
  7. Scraping contactors

    Started by Pcarter, 05-08-2013 05:34 PM
    • Replies: 1
    • Views: 541
    05-08-2013, 06:45 PM Go to last post
  8. Trane 3D Scroll Tandem 50 Ton Split

    Started by Apprenticanic, 05-07-2013 12:46 AM
    • Replies: 10
    • Views: 1,267
    05-08-2013, 12:25 AM Go to last post
  9. Old York Air Cooled Chiller IOMs?

    Started by Blacklabelman1, 05-07-2013 03:46 PM
    • Replies: 0
    • Views: 519
    05-07-2013, 03:46 PM Go to last post
  10. R290 compressor Supplier

    Started by Mohammed Nofal, 05-05-2013 05:52 AM
    • Replies: 9
    • Views: 946
    05-05-2013, 06:40 PM Go to last post
  11. 10K ohm resistor chart

    Started by Push It, 05-04-2013 01:49 PM
    • Replies: 6
    • Views: 2,306
    05-05-2013, 05:35 PM Go to last post
  12. Metasys BAS Server-HELP

    Started by CHAMBERS87, 05-02-2013 01:29 PM
    • Replies: 1
    • Views: 330
    05-05-2013, 04:42 PM Go to last post
  13. head pressure regulating valves

    Started by northeastbeast, 05-02-2013 06:56 PM
    • Replies: 8
    • Views: 984
    05-05-2013, 10:51 AM Go to last post
  14. Closed loop was foamy and eating nitrites

    Started by hvacmam, 02-22-2013 11:31 AM
    • Replies: 6
    • Views: 903
    05-05-2013, 08:44 AM Go to last post
  15. Blue tower water

    Started by anthonyac1, 04-11-2013 10:17 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,644
    05-03-2013, 09:09 PM Go to last post
  16. WSHP TXV issues

    Started by HVACtech57, 05-02-2013 06:38 PM
    • Replies: 7
    • Views: 544
    05-03-2013, 07:35 PM Go to last post
  17. Confused veriable blower

    Started by hvacdet1, 04-24-2013 10:51 PM
    • Replies: 1
    • Views: 349
    05-02-2013, 07:47 PM Go to last post
  18. What does "A.C.P." mean?

    Started by HVAC_Austin, 04-25-2013 10:27 PM
    • Replies: 8
    • Views: 1,117
    05-02-2013, 11:54 AM Go to last post
  19. N2 as refrigerant

    Started by kefah, 05-01-2013 04:42 PM
    • Replies: 5
    • Views: 633
    05-01-2013, 09:47 PM Go to last post
  20. Daikin vrv111

    Started by cjbjrb, 03-29-2012 10:54 AM
    • Replies: 4
    • Views: 915
    05-01-2013, 09:08 PM Go to last post
  21. What's wrong with this picture?

    Started by Workin4TheMan, 05-01-2013 11:02 AM
    • Replies: 8
    • Views: 779
    05-01-2013, 12:52 PM Go to last post
  22. Re Verber Ray Radiant Tube heaters

    Started by newyorkjets, 04-30-2013 07:33 PM
    • Replies: 3
    • Views: 709
    05-01-2013, 11:59 AM Go to last post
  23. Accustat LEMS2-AH11-R

    Started by Timber, 04-30-2013 04:51 PM
    • Replies: 4
    • Views: 443
    05-01-2013, 11:28 AM Go to last post
  24. Question BACnet Standalone Thermostats

    Started by squiggles, 04-30-2013 05:29 PM
    • Replies: 0
    • Views: 201
    04-30-2013, 05:29 PM Go to last post
  25. Need a little help

    Started by ColdBeers, 04-30-2013 09:44 AM
    • Replies: 5
    • Views: 555
    04-30-2013, 12:06 PM Go to last post
  26. what would you say about HC refrigerant?

    Started by gzhjb, 04-30-2013 09:45 AM
    • Replies: 0
    • Views: 239
    04-30-2013, 09:45 AM Go to last post
  27. Confused Carrier 4442

    Started by refrigeration johnny, 04-29-2013 08:27 PM
    • Replies: 1
    • Views: 355
    04-29-2013, 11:40 PM Go to last post
  28. 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: 3,441
    04-28-2013, 08:13 PM Go to last post
    • Replies: 6
    • Views: 1,069
    04-28-2013, 05:13 PM Go to last post
  29. Is this new? I have never seen any.

    Started by cehs, 04-23-2013 02:15 PM
    • Replies: 12
    • Views: 1,186
    04-28-2013, 04:54 PM Go to last post
  30. Trane model E shaft seal replacment question.

    Started by sogib, 04-27-2013 07:58 AM
    • Replies: 3
    • Views: 762
    04-28-2013, 01:49 PM Go to last post
  31. What would you have done

    Started by cavalieri85, 04-17-2013 04:21 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,590
    04-28-2013, 12:25 PM Go to last post
  32. R-507?

    Started by Grayline, 04-14-2013 02:19 PM
    • Replies: 4
    • Views: 604
    04-27-2013, 10:29 PM Go to last post
  33. Marley gearbox bearing change

    Started by Freightshaker, 04-11-2013 10:50 PM
    • Replies: 10
    • Views: 1,314
    04-27-2013, 10:19 AM Go to last post
  34. Diagnosing Faulty TXV

    Started by dixie2005, 07-20-2005 09:22 PM
    • Replies: 9
    • Views: 11,914
    04-26-2013, 07:42 AM Go to last post
  35. GCS3 ignition failure

    Started by MontanaBighorn, 10-17-2012 08:27 PM
    • Replies: 11
    • Views: 1,835
    04-26-2013, 12:22 AM Go to last post
  36. Liebert 30 ton DS’ LPCO question

    Started by mixsit, 04-25-2013 06:11 PM
    • Replies: 2
    • Views: 398
    04-25-2013, 11:19 PM Go to last post
  37. Motor amperage

    Started by northeastbeast, 04-25-2013 06:59 PM
    • Replies: 4
    • Views: 573
    04-25-2013, 07:44 PM Go to last post
  38. Confused Humidifcation Bundle Question on New AHU

    Started by CHAMBERS87, 04-24-2013 08:19 AM
    • Replies: 3
    • Views: 372
    04-25-2013, 02:06 PM Go to last post
  39. Discharge air controller

    Started by fr420, 04-22-2013 04:25 PM
    • Replies: 4
    • Views: 613
    04-25-2013, 01:47 PM Go to last post
    • Replies: 4
    • Views: 518
    04-25-2013, 11:35 AM Go to last post
  40. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 5,815
    04-25-2013, 09:31 AM Go to last post
  41. Rheem

    Started by merlin73, 04-24-2013 08:05 PM
    • Replies: 3
    • Views: 532
    04-25-2013, 07:41 AM Go to last post
  42. forgot to wrap filter/drier with wet rags

    Started by Timber, 04-16-2013 08:54 PM
    • Replies: 12
    • Views: 1,102
    04-24-2013, 11:27 PM Go to last post
  43. Question STULS 4 TON TEV REMOVAL

    Started by mrhvacmechanic, 04-15-2013 07:48 PM
    • Replies: 1
    • Views: 348
    04-24-2013, 09:45 PM Go to last post
  44. Lieberts and High Head Pressure Limit Switch

    Started by quonix, 07-18-2012 01:56 PM
    • Replies: 12
    • Views: 2,273
    04-24-2013, 09:37 PM Go to last post
  45. Upstream/ downstream

    Started by tpodany88, 04-24-2013 07:32 PM
    • Replies: 2
    • Views: 469
    04-24-2013, 08:10 PM Go to last post
  46. YORK SCREW CHILLER 177 TON

    Started by RICKY G, 04-18-2013 05:26 PM
    • Replies: 9
    • Views: 913
    04-24-2013, 05:28 PM Go to last post
    • Replies: 0
    • Views: 308
    04-23-2013, 05:09 PM Go to last post
  47. Arc flash training

    Started by trykonxlgold75, 12-11-2012 02:08 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,296
    04-22-2013, 07:28 AM Go to last post

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