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  1. Two wire transmitter on UNT controller AI

    Started by Randy S., 04-25-2014 12:28 AM
    • Replies: 1
    • Views: 329
    Last Post: 04-25-2014 10:27 AM
    by RoundUp  Go to last post

    Forum:
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  2. York ISN UDC communications to N2 via Microgateway

    Started by Randy S., 11-22-2012 05:02 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,573
    Last Post: 06-08-2013 12:01 PM
    by Randy S.  Go to last post

    Forum:
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  3. "old" Victaulic to "new"?

    Started by Randy S., 01-29-2010 10:56 AM
    • Replies: 12
    • Views: 2,554
    Last Post: 06-07-2012 11:32 PM
    by Allen  Go to last post
  4. homemade 4-20 mA/0-10VDC source

    Started by Randy S., 01-16-2010 12:19 AM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 13,393
    Last Post: 04-23-2012 10:34 AM
    by control_sensors  Go to last post

    Forum:
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  5. 22 substitutes

    Started by Randy S., 03-05-2011 08:42 PM
    • Replies: 9
    • Views: 1,604
    Last Post: 03-09-2011 06:18 AM
    by Armament  Go to last post
  6. Mc 280 controller stays in "test"

    Started by Randy S., 04-08-2007 12:25 AM
    • Replies: 8
    • Views: 975
    Last Post: 01-13-2011 10:58 PM
    by Randy S.  Go to last post
  7. P8 but no faults on outdoor board.

    Started by Randy S., 01-11-2011 01:43 AM
    • Replies: 0
    • Views: 399
    Last Post: 01-11-2011 01:43 AM
    by Randy S.  Go to last post
  8. PU24EK3 LED7

    Started by Randy S., 12-20-2010 11:23 PM
    • Replies: 2
    • Views: 1,087
    Last Post: 12-21-2010 10:11 PM
    by Randy S.  Go to last post
  9. Condensate eductor???

    Started by Randy S., 10-27-2010 12:19 AM
    • Replies: 3
    • Views: 809
    Last Post: 10-27-2010 12:37 PM
    by ssseward  Go to last post
  10. Why Precedent drier so undersized?

    Started by Randy S., 09-05-2010 12:38 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,550
    Last Post: 09-15-2010 04:40 PM
    by y7turbo  Go to last post
  11. Phase protection relay

    Started by Randy S., 08-02-2010 11:41 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,205
    Last Post: 08-05-2010 08:56 PM
    by Airmechanical  Go to last post
  12. York ISN UDC keypad advisory reset

    Started by Randy S., 07-28-2010 01:16 AM
    • Replies: 4
    • Views: 1,103
    Last Post: 08-02-2010 10:14 PM
    by Randy S.  Go to last post

    Forum:
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  13. "Digital" scroll compressors

    Started by Randy S., 07-05-2010 08:51 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 3,603
    Last Post: 08-02-2010 07:44 PM
    by atmosphere  Go to last post
  14. Big Fan Bearing Argument

    Started by Randy S., 07-02-2010 05:42 PM
    • Replies: 10
    • Views: 1,043
    Last Post: 07-03-2010 08:38 PM
    by Randy S.  Go to last post
  15. Trane Precedent ran backwards

    Started by Randy S., 06-12-2010 12:22 PM
    • Replies: 1
    • Views: 736
    Last Post: 06-12-2010 01:23 PM
    by ascj  Go to last post
  16. Alcatel-Lucent data room cooling system.

    Started by Randy S., 05-29-2010 01:23 PM
    • Replies: 6
    • Views: 837
    Last Post: 06-04-2010 09:13 PM
    by Randy S.  Go to last post
  17. Honeywell LON

    Started by Randy S., 12-09-2009 12:00 AM
    • Replies: 3
    • Views: 970
    Last Post: 12-10-2009 01:47 AM
    by Randy S.  Go to last post

    Forum:
    Controls

  18. Ananlog out to binary out converter gadget?

    Started by Randy S., 10-31-2009 04:05 PM
    • Replies: 5
    • Views: 847
    Last Post: 11-02-2009 11:17 PM
    by Randy S.  Go to last post

    Forum:
    Controls

  19. 1 ton Mini-Mate 2 wall stat failure

    Started by Randy S., 10-24-2009 12:28 PM
    • Replies: 5
    • Views: 552
    Last Post: 10-27-2009 09:21 AM
    by Randy S.  Go to last post
  20. York ISN keypad info?

    Started by Randy S., 10-03-2005 01:13 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 5,258
    Last Post: 09-26-2009 06:19 PM
    by yorkisn  Go to last post

    Forum:
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  21. Mini Mate hot gas solenoid.

    Started by Randy S., 08-30-2009 09:00 PM
    • Replies: 4
    • Views: 761
    Last Post: 08-30-2009 11:39 PM
    by Randy S.  Go to last post
  22. R-22 replacements.

    Started by Randy S., 08-19-2009 10:32 PM
    • Replies: 11
    • Views: 784
    Last Post: 08-22-2009 12:56 AM
    by Randy S.  Go to last post
  23. "Nu22"

    Started by Randy S., 08-18-2009 09:21 AM
    • Replies: 3
    • Views: 1,176
    Last Post: 08-19-2009 07:57 PM
    by fxb80  Go to last post
  24. hand held for Carrier 50EK ?

    Started by Randy S., 08-14-2009 12:52 PM
    • Replies: 1
    • Views: 507
    Last Post: 08-14-2009 12:55 PM
    by Dallas Duster  Go to last post
  25. water reg bellows leaks?

    Started by Randy S., 08-07-2009 09:30 AM
    • Replies: 2
    • Views: 418
    Last Post: 08-07-2009 06:28 PM
    by HVACJOEK  Go to last post
  26. "reclaimed" water in cooling towers

    Started by Randy S., 08-05-2009 09:32 AM
    • Replies: 7
    • Views: 794
    Last Post: 08-06-2009 08:16 PM
    by doubleduece  Go to last post
  27. YT power supply dead

    Started by Randy S., 07-13-2009 11:14 PM
    • Replies: 12
    • Views: 576
    Last Post: 07-23-2009 09:55 AM
    by klove  Go to last post
  28. YT liquid valve actuator

    Started by Randy S., 07-21-2009 12:48 AM
    • Replies: 2
    • Views: 446
    Last Post: 07-21-2009 11:42 PM
    by klove  Go to last post
  29. Smardt/Kiltech chill plant optimization

    Started by Randy S., 05-20-2009 10:42 PM
    • Replies: 7
    • Views: 863
    Last Post: 05-28-2009 11:56 PM
    by HVAC9900  Go to last post
  30. Shaft seal forensic diagnosis

    Started by Randy S., 02-27-2009 11:37 PM
    • Replies: 4
    • Views: 677
    Last Post: 03-03-2009 01:25 AM
    by the007  Go to last post
  31. VFD YT's and bellows seals

    Started by Randy S., 01-02-2009 11:05 PM
    • Replies: 8
    • Views: 599
    Last Post: 01-03-2009 04:47 PM
    by Randy S.  Go to last post
  32. Weather survey:

    Started by Randy S., 12-16-2008 09:28 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 973
    Last Post: 12-19-2008 12:02 AM
    by gruntly  Go to last post
  33. "cold beam" cooling

    Started by Randy S., 12-03-2008 09:34 AM
    • Replies: 6
    • Views: 2,722
    Last Post: 12-04-2008 12:23 AM
    by Randy S.  Go to last post
  34. Bellows seal YT

    Started by Randy S., 09-03-2008 09:42 PM
    • Replies: 2
    • Views: 688
    Last Post: 09-05-2008 11:34 AM
    by maustin  Go to last post
  35. 19XRV/CCN oddity

    Started by Randy S., 07-18-2008 11:31 AM
    • Replies: 4
    • Views: 696
    Last Post: 07-21-2008 11:24 PM
    by Randy S.  Go to last post
  36. backwards Trane scroll

    Started by Randy S., 07-08-2008 11:15 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,981
    Last Post: 07-17-2008 09:36 AM
    by Randy S.  Go to last post
  37. DX 9100 "engineering" class?

    Started by Randy S., 05-31-2008 02:39 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,730
    Last Post: 06-03-2008 05:52 PM
    by krac  Go to last post

    Forum:
    Controls

  38. Can't locate the thermostat

    Started by Randy S., 04-19-2008 11:44 AM
    • Replies: 2
    • Views: 706
    Last Post: 04-19-2008 01:39 PM
    by william antley  Go to last post
  39. Stulz temp sensor resistance?

    Started by Randy S., 02-16-2008 12:08 PM
    • Replies: 0
    • Views: 460
    Last Post: 02-16-2008 12:08 PM
    by Randy S.  Go to last post
  40. Got them DX-9100 blues...

    Started by Randy S., 02-01-2008 07:35 PM
    • Replies: 6
    • Views: 938
    Last Post: 02-05-2008 09:46 PM
    by freddy-b  Go to last post

    Forum:
    Controls

  41. Carolina Purge

    Started by Randy S., 01-22-2008 01:38 AM
    • Replies: 3
    • Views: 1,219
    Last Post: 01-24-2008 01:57 AM
    by Randy S.  Go to last post
  42. Dolphin tower water system?

    Started by Randy S., 10-26-2007 10:59 AM
    • Replies: 5
    • Views: 1,085
    Last Post: 10-26-2007 04:46 PM
    by slimwoodie  Go to last post
  43. Wtf?

    Started by Randy S., 10-11-2007 11:54 PM
    • Replies: 10
    • Views: 1,349
    Last Post: 10-17-2007 09:47 AM
    by techtalker  Go to last post
  44. Richard's economizer?

    Started by Randy S., 09-27-2007 01:51 AM
    • Replies: 0
    • Views: 496
    Last Post: 09-27-2007 01:51 AM
    by Randy S.  Go to last post
  45. 19XRV condenser leak

    Started by Randy S., 08-17-2007 12:07 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,574
    Last Post: 09-18-2007 06:40 PM
    by referteacher  Go to last post
  46. McQuay WMC chillers

    Started by Randy S., 03-20-2007 12:58 AM
    • Replies: 7
    • Views: 1,781
    Last Post: 03-22-2007 09:38 AM
    by Randy S.  Go to last post
  47. RTAA power loss fault.

    Started by Randy S., 06-26-2006 10:54 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,961
    Last Post: 01-09-2007 12:41 AM
    by Randy S.  Go to last post
  48. Chiller service tip of the month:

    Started by Randy S., 12-09-2006 11:08 AM
    • Replies: 3
    • Views: 767
    Last Post: 12-10-2006 03:44 PM
    by madhat  Go to last post
  49. Liquid and/or oil pump for 143A?

    Started by Randy S., 11-22-2006 02:11 PM
    • Replies: 7
    • Views: 753
    Last Post: 12-07-2006 10:45 PM
    by hw chiller man  Go to last post
  50. JCI DX-9100 scrambles on power outage

    Started by Randy S., 12-03-2006 12:42 AM
    • Replies: 3
    • Views: 623
    Last Post: 12-06-2006 11:40 AM
    by tex~n~oz  Go to last post
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