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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: 3,350
    08-10-2011, 04:34 PM Go to last post
    • Replies: 10
    • Views: 976
    01-06-2013, 06:50 PM Go to last post
  1. Confused Checking system charge on a cold room box

    Started by Push It, 01-06-2013 01:21 PM
    • Replies: 6
    • Views: 675
    01-06-2013, 05:20 PM Go to last post
  2. Data Center Critical Cooling

    Started by IFRZAIR, 11-22-2012 05:09 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,784
    01-06-2013, 02:04 PM Go to last post
  3. Gas valve with rectifiers

    Started by klubpolo, 01-02-2013 08:01 PM
    • Replies: 11
    • Views: 1,297
    01-05-2013, 04:09 PM Go to last post
  4. Confused Carrier 7.5 Ton Heat Pump

    Started by heat fixer, 01-01-2013 03:43 PM
    • Replies: 11
    • Views: 1,311
    01-05-2013, 02:39 PM Go to last post
  5. a419 Stuck on Heat

    Started by nouseforanameHussmann, 12-09-2012 05:22 PM
    • Replies: 4
    • Views: 649
    01-05-2013, 09:58 AM Go to last post
  6. Contempo Engineering CRAC

    Started by Well Dad Gum, 12-29-2012 07:34 AM
    • Replies: 3
    • Views: 670
    01-05-2013, 07:53 AM Go to last post
  7. Trane t-stat

    Started by anthonyac1, 01-04-2013 07:29 PM
    • Replies: 1
    • Views: 431
    01-04-2013, 07:39 PM Go to last post
  8. Confused Old Trane T-stat info needed

    Started by nick muniz, 01-03-2013 07:23 PM
    • Replies: 6
    • Views: 697
    01-04-2013, 06:22 PM Go to last post
  9. multi-city units

    Started by littlebigdad, 12-06-2012 07:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,907
    01-04-2013, 09:00 AM Go to last post
  10. Sealtight

    Started by ACFIXR, 01-03-2013 11:53 PM
    • Replies: 2
    • Views: 523
    01-04-2013, 08:56 AM Go to last post
  11. Metasys hvac pro 8.00 patch

    Started by leakcheck, 01-03-2013 11:37 AM
    • Replies: 0
    • Views: 525
    01-03-2013, 11:37 AM Go to last post
  12. Panasonic Eco-I

    Started by ckartson, 01-03-2013 06:32 AM
    • Replies: 1
    • Views: 632
    01-03-2013, 07:39 AM Go to last post
  13. YPAL problem

    Started by coolairman, 01-02-2013 07:59 AM
    • Replies: 0
    • Views: 315
    01-02-2013, 07:59 AM Go to last post
    • Replies: 9
    • Views: 1,606
    01-02-2013, 07:47 AM Go to last post
  14. Silfos rings...

    Started by fitzyfitta, 11-30-2012 06:27 PM
    • Replies: 10
    • Views: 2,032
    01-01-2013, 10:18 AM Go to last post
    • Replies: 2
    • Views: 626
    12-31-2012, 05:00 PM Go to last post
  15. Commercial refrigerator stops cooling after a few hours...

    Started by myhvacx, 12-13-2012 07:13 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,206
    12-31-2012, 12:58 PM Go to last post
  16. Calculating GPM

    Started by big jay, 12-06-2012 04:32 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 2,735
    12-31-2012, 11:25 AM Go to last post
  17. Heat pump Acid test.

    Started by NY2GA01, 12-14-2012 08:34 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,376
    12-31-2012, 10:45 AM Go to last post
  18. Trane Voyager ignition control module

    Started by chill67, 01-05-2011 09:00 PM
    • Replies: 8
    • Views: 2,629
    12-28-2012, 09:21 PM Go to last post
  19. Lennox L series prodigy m2

    Started by meh70087, 12-28-2012 02:29 PM
    • Replies: 1
    • Views: 516
    12-28-2012, 02:37 PM Go to last post
  20. unique system

    Started by coreyhurt, 12-26-2012 11:09 PM
    • Replies: 2
    • Views: 564
    12-27-2012, 10:13 PM Go to last post
  21. supertek,

    Started by flange, 12-18-2012 09:59 PM
    • Replies: 5
    • Views: 788
    12-26-2012, 12:55 PM Go to last post
  22. Smelly combustion exhaust gas

    Started by DoubleDMechanical, 12-20-2012 07:43 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,072
    12-25-2012, 08:49 PM Go to last post
  23. Vitodens Cold Temp Boost

    Started by RC20, 12-19-2012 11:22 AM
    • Replies: 2
    • Views: 631
    12-23-2012, 09:59 PM Go to last post
  24. Lennox Pulse Flapper Valve

    Started by Nytefog, 12-20-2012 09:22 PM
    • Replies: 7
    • Views: 1,722
    12-22-2012, 08:46 PM Go to last post
  25. Reznor Warehouse Furnace

    Started by craig wasilak, 12-13-2012 03:58 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,022
    12-21-2012, 09:41 PM Go to last post
  26. 3 ton carrier gas pack

    Started by carman, 12-13-2012 09:23 PM
    • Replies: 5
    • Views: 756
    12-20-2012, 09:28 PM Go to last post
  27. Retapping threads

    Started by marylandtech, 12-19-2012 08:11 PM
    • Replies: 3
    • Views: 526
    12-19-2012, 10:06 PM Go to last post
  28. WRONG WAY TO FIX CRACKS IN HTXCR

    Started by mrhvacmechanic, 12-16-2012 08:49 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,461
    12-18-2012, 11:52 PM Go to last post
  29. NH3 leaks

    Started by junkhound, 12-12-2012 11:47 PM
    • Replies: 1
    • Views: 503
    12-18-2012, 10:03 PM Go to last post
  30. So many choices

    Started by luhovick, 12-18-2012 06:12 PM
    • Replies: 0
    • Views: 285
    12-18-2012, 06:12 PM Go to last post
  31. Trane YCD300 gas pack heat exchanger

    Started by perconc, 12-13-2012 11:44 AM
    • Replies: 2
    • Views: 795
    12-16-2012, 09:56 PM Go to last post
  32. W7100B obsolete heating controller

    Started by Dwreck, 12-16-2012 10:21 AM
    • Replies: 6
    • Views: 598
    12-16-2012, 07:37 PM Go to last post
  33. JCI Metasys NAE or NCE?

    Started by CHAMBERS87, 11-29-2012 10:33 AM
    • Replies: 2
    • Views: 814
    12-16-2012, 08:07 AM Go to last post
  34. WTF Heat pump confusion again

    Started by jeffrey43, 12-12-2012 02:20 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 2,725
    12-15-2012, 09:43 PM Go to last post
  35. mcquaid heat pump trouble

    Started by hvac_man17, 12-12-2012 10:19 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,343
    12-15-2012, 06:55 PM Go to last post
  36. semi hermetic comp

    Started by hvacman2213, 12-12-2012 10:13 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,816
    12-14-2012, 08:48 PM Go to last post
  37. Accurate Hygrometer Recommendations

    Started by ifyoudidntknow, 12-13-2012 07:04 PM
    • Replies: 1
    • Views: 503
    12-14-2012, 05:52 PM Go to last post
  38. Varitrane VPEF heat troubles

    Started by Crazecodyk, 12-11-2012 03:18 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,520
    12-14-2012, 03:43 PM Go to last post
  39. Trane rtu flame w/o gas valve error

    Started by iceage, 12-14-2012 11:04 AM
    • Replies: 4
    • Views: 873
    12-14-2012, 03:23 PM Go to last post
  40. Vintage Mini-Split

    Started by MicahWes, 12-11-2012 09:50 PM
    • Replies: 1
    • Views: 485
    12-14-2012, 01:24 AM Go to last post
  41. Mag starter coil temp

    Started by allstar08, 12-11-2012 09:55 PM
    • Replies: 2
    • Views: 553
    12-13-2012, 07:16 AM Go to last post
  42. MCC / HT / LT Panel Rooms - % of heat gain per KW

    Started by Amjadd, 12-13-2012 02:57 AM
    • Replies: 0
    • Views: 544
    12-13-2012, 02:57 AM Go to last post
  43. charging 404a system

    Started by cannedheat, 11-09-2012 06:42 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,690
    12-12-2012, 10:13 PM Go to last post
  44. Water Source HP condenser flow issues

    Started by NoahsArcFlash, 11-06-2012 12:49 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,804
    12-12-2012, 08:09 PM Go to last post
  45. Combustion analyzer recomendations

    Started by trykonxlgold75, 12-10-2012 04:27 AM
    • Replies: 0
    • Views: 353
    12-10-2012, 04:27 AM Go to last post
  46. 1 phase 460v cond. motor?

    Started by jarganda83, 11-15-2012 08:53 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 3,776
    12-09-2012, 11:09 PM Go to last post

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