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  1. Can liquid refrigerant boil out when heated

    Started by dave1234, 06-25-2016 05:07 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 789
    Last Post: 06-28-2016 07:29 AM
    by remanworld  Go to last post
  2. OVE-20 TXV conundrum

    Started by dave1234, 06-03-2016 11:02 PM
    5 Pages
    1 2 3 4 5
    • Replies: 56
    • Views: 1,783
    Last Post: 06-11-2016 10:52 PM
    by maka  Go to last post
  3. "Purging" non-condensables

    Started by dave1234, 05-21-2016 11:48 AM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 1,644
    Last Post: 06-08-2016 04:50 AM
    by gbfromsd  Go to last post
  4. Installing indoor unit outdoors

    Started by dave1234, 05-22-2016 11:34 AM
    • Replies: 7
    • Views: 515
    Last Post: 05-24-2016 09:32 AM
    by captaincompressor  Go to last post
    • Replies: 9
    • Views: 515
    Last Post: 05-14-2016 08:55 AM
    by remanworld  Go to last post
  5. Rebuilding 4D- rods, pistons, valve etc

    Started by dave1234, 05-10-2016 10:28 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 760
    Last Post: 05-12-2016 11:43 PM
    by r22coolguy  Go to last post
  6. Uploading over N2 bus- why does this never seem to work

    Started by dave1234, 04-09-2016 05:36 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,410
    Last Post: 05-07-2016 05:49 PM
    by dave1234  Go to last post

    Forum:
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  7. Scotsman nugget basic help

    Started by dave1234, 12-24-2015 08:17 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,355
    Last Post: 04-22-2016 02:16 AM
    by Nick404a  Go to last post
    • Replies: 4
    • Views: 412
    Last Post: 04-02-2016 11:40 AM
    by dave1234  Go to last post
  8. D/B big 4 no oil pressure pump ok

    Started by dave1234, 11-01-2013 09:47 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,935
    Last Post: 02-22-2016 12:04 AM
    by Poodle Head Mikey  Go to last post
  9. Headmaster bulb- refresh my memory

    Started by dave1234, 01-16-2016 09:57 PM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 2,448
    Last Post: 02-01-2016 02:03 PM
    by anasmilbes  Go to last post
  10. Old type fan switch /limit settings

    Started by dave1234, 01-02-2016 03:11 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 697
    Last Post: 01-02-2016 07:12 PM
    by mike3  Go to last post
  11. Ceramic bearings vs shaft grounding

    Started by dave1234, 12-29-2015 07:53 PM
    • Replies: 9
    • Views: 757
    Last Post: 01-01-2016 05:11 PM
    by slctech  Go to last post
  12. Dumb question on aligning fixed to adjustable sheave

    Started by dave1234, 11-21-2015 08:11 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,648
    Last Post: 11-30-2015 08:21 AM
    by timebuilder  Go to last post
  13. Pneumatic VAV lockout relay

    Started by dave1234, 08-21-2015 03:20 PM
    • Replies: 3
    • Views: 884
    Last Post: 08-28-2015 10:49 AM
    by simux  Go to last post

    Forum:
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  14. Mp39 or 134a ??? To convert or not

    Started by dave1234, 05-23-2015 08:25 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,366
    Last Post: 06-06-2015 10:34 AM
    by lytning  Go to last post
  15. LPC as operator AFTER CPR? And why on med temp

    Started by dave1234, 05-26-2015 05:59 PM
    • Replies: 8
    • Views: 1,066
    Last Post: 05-29-2015 11:27 AM
    by dave1234  Go to last post
  16. Cope LAHA 3ph overload confusion

    Started by dave1234, 04-25-2015 10:00 PM
    • Replies: 4
    • Views: 1,018
    Last Post: 04-27-2015 09:33 AM
    by remanworld  Go to last post
  17. Where is refrigerant pressure relief on 6D

    Started by dave1234, 10-26-2014 10:40 AM
    • Replies: 12
    • Views: 2,125
    Last Post: 04-20-2015 08:08 PM
    by dave1234  Go to last post
  18. T.A.C/ Schnider Xenta 102-AX "night purge" mode

    Started by dave1234, 03-18-2015 08:37 AM
    • Replies: 2
    • Views: 510
    Last Post: 03-18-2015 12:40 PM
    by JCIman  Go to last post

    Forum:
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  19. Odd cope 6D loading behavior

    Started by dave1234, 10-10-2014 01:37 PM
    • Replies: 2
    • Views: 648
    Last Post: 10-10-2014 03:55 PM
    by dave1234  Go to last post
  20. 24vac signal amp

    Started by dave1234, 10-02-2014 08:42 PM
    • Replies: 5
    • Views: 759
    Last Post: 10-03-2014 11:42 AM
    by digo  Go to last post

    Forum:
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  21. Hot gas bypass and slugging

    Started by dave1234, 09-04-2014 08:12 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,327
    Last Post: 09-07-2014 07:58 PM
    by uniservice  Go to last post
  22. "Drying" a drier

    Started by dave1234, 08-24-2014 10:21 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,900
    Last Post: 08-31-2014 10:19 AM
    by dave1234  Go to last post
  23. York chiller YLAA101 takes down BACNET

    Started by dave1234, 05-16-2014 01:00 PM
    • Replies: 2
    • Views: 502
    Last Post: 05-16-2014 09:34 PM
    by dave1234  Go to last post

    Forum:
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  24. Sizing actuators/ tourque requirements

    Started by dave1234, 01-18-2014 11:58 AM
    • Replies: 11
    • Views: 2,251
    Last Post: 03-31-2014 12:12 PM
    by TheControlsFreak  Go to last post

    Forum:
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  25. Cracked heat exchanger question

    Started by dave1234, 01-04-2014 10:43 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 3,648
    Last Post: 02-27-2014 09:30 PM
    by HVAC_Marc  Go to last post
    • Replies: 10
    • Views: 1,602
    Last Post: 02-11-2014 09:28 PM
    by ICanHas  Go to last post
  26. Wrong headmaster / overcharge?

    Started by dave1234, 02-03-2014 11:17 PM
    • Replies: 12
    • Views: 1,882
    Last Post: 02-09-2014 03:42 PM
    by UmmScott  Go to last post
  27. 2 stage gas valves slow or fast

    Started by dave1234, 01-05-2014 01:52 PM
    • Replies: 1
    • Views: 481
    Last Post: 01-05-2014 04:00 PM
    by slctech  Go to last post
  28. Solenoids/ "dirty voltage" THIS IS INTERESTING

    Started by dave1234, 10-16-2013 11:48 AM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 4,881
    Last Post: 10-26-2013 10:02 AM
    by dave1234  Go to last post
  29. 35 HP discuss leaking out electrical terminals

    Started by dave1234, 10-04-2013 01:32 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,688
    Last Post: 10-06-2013 08:56 PM
    by Poodle Head Mikey  Go to last post
  30. Building pneumatic air compressor question

    Started by dave1234, 08-11-2013 09:58 AM
    • Replies: 8
    • Views: 984
    Last Post: 08-18-2013 11:10 PM
    by Mike Doran  Go to last post
  31. Liebert AR timers keep burning up plz advise

    Started by dave1234, 07-22-2013 09:20 PM
    • Replies: 0
    • Views: 378
    Last Post: 07-22-2013 09:20 PM
    by dave1234  Go to last post
  32. Piping split condenser/liquid migration

    Started by dave1234, 06-06-2013 01:55 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 2,422
    Last Post: 06-16-2013 10:54 PM
    by bunny  Go to last post
  33. What is a potentiometer wiper arm?

    Started by dave1234, 06-04-2013 08:48 PM
    • Replies: 10
    • Views: 1,821
    Last Post: 06-06-2013 02:07 AM
    by MatrixTransform  Go to last post

    Forum:
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  34. Oil analysis with tandem compressors

    Started by dave1234, 05-29-2013 09:55 PM
    • Replies: 2
    • Views: 577
    Last Post: 05-30-2013 01:42 AM
    by Phase Loss  Go to last post
  35. Copper fin boiler airflow Question

    Started by dave1234, 09-26-2012 09:09 PM
    • Replies: 0
    • Views: 828
    Last Post: 09-26-2012 09:09 PM
    by dave1234  Go to last post
    • Replies: 10
    • Views: 1,626
    Last Post: 09-23-2012 06:41 PM
    by Joehvac25  Go to last post
  36. Wondaire radiant heater

    Started by dave1234, 01-26-2010 09:54 PM
    • Replies: 12
    • Views: 8,526
    Last Post: 01-09-2012 11:46 AM
    by Chris_Worthington  Go to last post
  37. POE and MP39

    Started by dave1234, 08-04-2011 10:52 PM
    • Replies: 6
    • Views: 1,846
    Last Post: 01-02-2012 12:30 PM
    by mseng  Go to last post
  38. Blowing start caps WHY OH WHY

    Started by dave1234, 09-03-2011 11:00 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,316
    Last Post: 01-01-2012 10:54 AM
    by NANOTECH  Go to last post
  39. Calling all MN techs!!!!

    Started by dave1234, 12-22-2011 03:59 PM
    • Replies: 1
    • Views: 643
    Last Post: 12-22-2011 08:46 PM
    by hands  Go to last post
    • Replies: 3
    • Views: 950
    Last Post: 12-09-2011 03:11 PM
    by craig1  Go to last post
    • Replies: 0
    • Views: 445
    Last Post: 12-09-2011 11:54 AM
    by dave1234  Go to last post

    Forum:
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  40. Low temp W/I set for med temp

    Started by dave1234, 10-03-2011 09:20 AM
    • Replies: 10
    • Views: 1,258
    Last Post: 11-06-2011 11:37 AM
    by Tommy1010  Go to last post
  41. Setting unloaders and HGB

    Started by dave1234, 09-12-2011 01:15 PM
    • Replies: 4
    • Views: 2,129
    Last Post: 09-19-2011 01:48 AM
    by bunny  Go to last post
  42. Bldg pressure/airflow problems/magnehelic

    Started by dave1234, 09-13-2011 12:21 PM
    • Replies: 6
    • Views: 1,476
    Last Post: 09-14-2011 06:13 PM
    by *TEEKAY*  Go to last post
  43. WHY DOES CYLINDER UNLOADING INCREASE SUCTION??

    Started by dave1234, 05-16-2011 06:35 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 4,514
    Last Post: 07-14-2011 11:50 PM
    by indy2000  Go to last post
  44. MP39 vs hotshot (here we go again)

    Started by dave1234, 05-16-2011 08:40 AM
    • Replies: 8
    • Views: 2,094
    Last Post: 05-16-2011 07:38 PM
    by jim147  Go to last post
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