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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: 3,853
    08-10-2011, 04:34 PM Go to last post
  1. using gauges on multipal refrigerants

    Started by rkevins, 05-09-2013 09:09 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,087
    05-10-2013, 06:43 AM Go to last post
  2. Smoking Room - How to handle transfer air

    Started by deten, 05-07-2013 08:06 AM
    • Replies: 9
    • Views: 836
    05-09-2013, 10:19 AM Go to last post
  3. Siemans 24v contactor coil keeps failing

    Started by DeltaTech, 05-08-2013 10:37 AM
    • Replies: 4
    • Views: 720
    05-09-2013, 06:43 AM Go to last post
  4. Anyone know this company

    Started by Cmstech, 11-15-2012 09:26 PM
    • Replies: 2
    • Views: 773
    05-08-2013, 09:53 PM Go to last post
  5. Scraping contactors

    Started by Pcarter, 05-08-2013 05:34 PM
    • Replies: 1
    • Views: 502
    05-08-2013, 06:45 PM Go to last post
  6. Trane 3D Scroll Tandem 50 Ton Split

    Started by Apprenticanic, 05-07-2013 12:46 AM
    • Replies: 10
    • Views: 1,125
    05-08-2013, 12:25 AM Go to last post
  7. Old York Air Cooled Chiller IOMs?

    Started by Blacklabelman1, 05-07-2013 03:46 PM
    • Replies: 0
    • Views: 468
    05-07-2013, 03:46 PM Go to last post
  8. R290 compressor Supplier

    Started by Mohammed Nofal, 05-05-2013 05:52 AM
    • Replies: 9
    • Views: 867
    05-05-2013, 06:40 PM Go to last post
  9. 10K ohm resistor chart

    Started by Push It, 05-04-2013 01:49 PM
    • Replies: 6
    • Views: 2,053
    05-05-2013, 05:35 PM Go to last post
  10. Metasys BAS Server-HELP

    Started by CHAMBERS87, 05-02-2013 01:29 PM
    • Replies: 1
    • Views: 300
    05-05-2013, 04:42 PM Go to last post
  11. head pressure regulating valves

    Started by northeastbeast, 05-02-2013 06:56 PM
    • Replies: 8
    • Views: 933
    05-05-2013, 10:51 AM Go to last post
  12. Closed loop was foamy and eating nitrites

    Started by hvacmam, 02-22-2013 11:31 AM
    • Replies: 6
    • Views: 848
    05-05-2013, 08:44 AM Go to last post
  13. Blue tower water

    Started by anthonyac1, 04-11-2013 10:17 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,495
    05-03-2013, 09:09 PM Go to last post
  14. WSHP TXV issues

    Started by HVACtech57, 05-02-2013 06:38 PM
    • Replies: 7
    • Views: 502
    05-03-2013, 07:35 PM Go to last post
  15. Confused veriable blower

    Started by hvacdet1, 04-24-2013 10:51 PM
    • Replies: 1
    • Views: 320
    05-02-2013, 07:47 PM Go to last post
  16. What does "A.C.P." mean?

    Started by HVAC_Austin, 04-25-2013 10:27 PM
    • Replies: 8
    • Views: 1,056
    05-02-2013, 11:54 AM Go to last post
  17. N2 as refrigerant

    Started by kefah, 05-01-2013 04:42 PM
    • Replies: 5
    • Views: 580
    05-01-2013, 09:47 PM Go to last post
  18. Daikin vrv111

    Started by cjbjrb, 03-29-2012 10:54 AM
    • Replies: 4
    • Views: 863
    05-01-2013, 09:08 PM Go to last post
  19. What's wrong with this picture?

    Started by Workin4TheMan, 05-01-2013 11:02 AM
    • Replies: 8
    • Views: 737
    05-01-2013, 12:52 PM Go to last post
  20. Re Verber Ray Radiant Tube heaters

    Started by newyorkjets, 04-30-2013 07:33 PM
    • Replies: 3
    • Views: 642
    05-01-2013, 11:59 AM Go to last post
  21. Accustat LEMS2-AH11-R

    Started by Timber, 04-30-2013 04:51 PM
    • Replies: 4
    • Views: 399
    05-01-2013, 11:28 AM Go to last post
  22. Question BACnet Standalone Thermostats

    Started by squiggles, 04-30-2013 05:29 PM
    • Replies: 0
    • Views: 189
    04-30-2013, 05:29 PM Go to last post
  23. Need a little help

    Started by ColdBeers, 04-30-2013 09:44 AM
    • Replies: 5
    • Views: 519
    04-30-2013, 12:06 PM Go to last post
  24. what would you say about HC refrigerant?

    Started by gzhjb, 04-30-2013 09:45 AM
    • Replies: 0
    • Views: 221
    04-30-2013, 09:45 AM Go to last post
  25. Confused Carrier 4442

    Started by refrigeration johnny, 04-29-2013 08:27 PM
    • Replies: 1
    • Views: 332
    04-29-2013, 11:40 PM Go to last post
  26. 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: 3,152
    04-28-2013, 08:13 PM Go to last post
    • Replies: 6
    • Views: 1,004
    04-28-2013, 05:13 PM Go to last post
  27. Is this new? I have never seen any.

    Started by cehs, 04-23-2013 02:15 PM
    • Replies: 12
    • Views: 1,059
    04-28-2013, 04:54 PM Go to last post
  28. Trane model E shaft seal replacment question.

    Started by sogib, 04-27-2013 07:58 AM
    • Replies: 3
    • Views: 717
    04-28-2013, 01:49 PM Go to last post
  29. What would you have done

    Started by cavalieri85, 04-17-2013 04:21 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,463
    04-28-2013, 12:25 PM Go to last post
  30. R-507?

    Started by Grayline, 04-14-2013 02:19 PM
    • Replies: 4
    • Views: 592
    04-27-2013, 10:29 PM Go to last post
  31. Marley gearbox bearing change

    Started by Freightshaker, 04-11-2013 10:50 PM
    • Replies: 10
    • Views: 1,214
    04-27-2013, 10:19 AM Go to last post
  32. Diagnosing Faulty TXV

    Started by dixie2005, 07-20-2005 09:22 PM
    • Replies: 9
    • Views: 11,502
    04-26-2013, 07:42 AM Go to last post
  33. GCS3 ignition failure

    Started by MontanaBighorn, 10-17-2012 08:27 PM
    • Replies: 11
    • Views: 1,708
    04-26-2013, 12:22 AM Go to last post
  34. Liebert 30 ton DS’ LPCO question

    Started by mixsit, 04-25-2013 06:11 PM
    • Replies: 2
    • Views: 358
    04-25-2013, 11:19 PM Go to last post
  35. Motor amperage

    Started by northeastbeast, 04-25-2013 06:59 PM
    • Replies: 4
    • Views: 542
    04-25-2013, 07:44 PM Go to last post
  36. Confused Humidifcation Bundle Question on New AHU

    Started by CHAMBERS87, 04-24-2013 08:19 AM
    • Replies: 3
    • Views: 334
    04-25-2013, 02:06 PM Go to last post
  37. Discharge air controller

    Started by fr420, 04-22-2013 04:25 PM
    • Replies: 4
    • Views: 559
    04-25-2013, 01:47 PM Go to last post
    • Replies: 4
    • Views: 492
    04-25-2013, 11:35 AM Go to last post
  38. Nitrogen or No Nitrogen?

    Started by Grayline, 04-18-2013 07:49 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 5,261
    04-25-2013, 09:31 AM Go to last post
  39. Rheem

    Started by merlin73, 04-24-2013 08:05 PM
    • Replies: 3
    • Views: 486
    04-25-2013, 07:41 AM Go to last post
  40. forgot to wrap filter/drier with wet rags

    Started by Timber, 04-16-2013 08:54 PM
    • Replies: 12
    • Views: 1,019
    04-24-2013, 11:27 PM Go to last post
  41. Question STULS 4 TON TEV REMOVAL

    Started by mrhvacmechanic, 04-15-2013 07:48 PM
    • Replies: 1
    • Views: 330
    04-24-2013, 09:45 PM Go to last post
  42. Lieberts and High Head Pressure Limit Switch

    Started by quonix, 07-18-2012 01:56 PM
    • Replies: 12
    • Views: 2,119
    04-24-2013, 09:37 PM Go to last post
  43. Upstream/ downstream

    Started by tpodany88, 04-24-2013 07:32 PM
    • Replies: 2
    • Views: 421
    04-24-2013, 08:10 PM Go to last post
  44. YORK SCREW CHILLER 177 TON

    Started by RICKY G, 04-18-2013 05:26 PM
    • Replies: 9
    • Views: 869
    04-24-2013, 05:28 PM Go to last post
    • Replies: 0
    • Views: 293
    04-23-2013, 05:09 PM Go to last post
  45. Arc flash training

    Started by trykonxlgold75, 12-11-2012 02:08 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,031
    04-22-2013, 07:28 AM Go to last post
  46. trane modle number

    Started by heavenlyair, 04-19-2013 11:34 AM
    • Replies: 2
    • Views: 437
    04-21-2013, 12:04 PM Go to last post
  47. Digital or Manual

    Started by richvacr, 04-18-2013 09:52 PM
    • Replies: 11
    • Views: 850
    04-20-2013, 11:52 PM Go to last post

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