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  1. Using CO2 sensors to maintain 1200 PPM inside

    Started by hvactech80, 12-11-2015 10:19 PM
    • Replies: 5
    • Views: 586
    Last Post: 12-17-2015 12:24 PM
    by teddy bear  Go to last post

    Forum:
    Controls

  2. Honeywell Steam Actuator Base

    Started by hvactech80, 01-08-2015 05:31 PM
    • Replies: 3
    • Views: 739
    Last Post: 01-08-2015 06:47 PM
    by hvac69  Go to last post

    Forum:
    Controls

  3. EPA Dilemma

    Started by hvactech80, 09-06-2012 09:34 AM
    • Replies: 12
    • Views: 1,856
    Last Post: 09-08-2012 06:35 AM
    by 19characterusername  Go to last post
  4. Electronic Micron Gauge

    Started by hvactech80, 04-01-2012 08:45 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,102
    Last Post: 04-06-2012 02:59 PM
    by kdean1  Go to last post
  5. Old Maple Chase 09700 Programmable Thermostat

    Started by hvactech80, 01-02-2010 08:53 AM
    • Replies: 5
    • Views: 5,234
    Last Post: 11-09-2011 04:36 PM
    by marvin  Go to last post

    Forum:
    Controls

  6. McQuay-ACZ020AC12-ER10-Failing

    Started by hvactech80, 10-01-2011 04:15 PM
    • Replies: 2
    • Views: 1,266
    Last Post: 10-01-2011 11:13 PM
    by ryan1088  Go to last post
  7. McQuay--High Head Pressure--Fan Cycling

    Started by hvactech80, 09-20-2011 03:56 PM
    • Replies: 1
    • Views: 1,246
    Last Post: 09-20-2011 07:55 PM
    by Mcgushvac  Go to last post
  8. Preheat Coil Leaking

    Started by hvactech80, 07-20-2011 07:44 PM
    • Replies: 0
    • Views: 591
    Last Post: 07-20-2011 07:44 PM
    by hvactech80  Go to last post
  9. McQuay--AGZ--Pressure issues

    Started by hvactech80, 07-10-2011 08:10 AM
    • Replies: 3
    • Views: 1,143
    Last Post: 07-10-2011 06:36 PM
    by hvactech80  Go to last post
  10. Grease and Removing Screws

    Started by hvactech80, 07-01-2011 03:25 PM
    • Replies: 8
    • Views: 1,301
    Last Post: 07-04-2011 11:09 PM
    by cperk  Go to last post
  11. Water Source Heat Pumps

    Started by hvactech80, 06-20-2011 08:59 AM
    • Replies: 0
    • Views: 606
    Last Post: 06-20-2011 08:59 AM
    by hvactech80  Go to last post
  12. Low Ambient Design

    Started by hvactech80, 04-28-2011 09:22 AM
    • Replies: 0
    • Views: 426
    Last Post: 04-28-2011 09:22 AM
    by hvactech80  Go to last post
  13. Low Ambient Design Question

    Started by hvactech80, 04-27-2011 06:06 PM
    • Replies: 0
    • Views: 558
    Last Post: 04-27-2011 06:06 PM
    by hvactech80  Go to last post
  14. Where is the Time Delay-1 Second

    Started by hvactech80, 04-12-2011 04:36 PM
    • Replies: 3
    • Views: 709
    Last Post: 04-12-2011 09:45 PM
    by duke of earl  Go to last post
  15. Thermistor Chart

    Started by hvactech80, 02-16-2011 12:02 PM
    • Replies: 5
    • Views: 2,234
    Last Post: 02-16-2011 09:45 PM
    by lions_lair  Go to last post
  16. Copeland Temperature Recommendations

    Started by hvactech80, 02-10-2011 10:47 AM
    • Replies: 1
    • Views: 752
    Last Post: 02-10-2011 05:17 PM
    by powell  Go to last post
  17. Rheem--RAWC-075CAS

    Started by hvactech80, 11-07-2010 01:01 PM
    • Replies: 3
    • Views: 2,156
    Last Post: 11-08-2010 03:54 PM
    by hvactech80  Go to last post
  18. Carrier 30 HW Package Chiller-R22

    Started by hvactech80, 10-08-2010 03:54 PM
    • Replies: 1
    • Views: 2,104
    Last Post: 10-08-2010 05:23 PM
    by 19C  Go to last post
  19. Pump Alignment

    Started by hvactech80, 08-31-2010 09:47 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 3,106
    Last Post: 09-03-2010 11:26 PM
    by supertek65  Go to last post
  20. AAON TRouble

    Started by hvactech80, 07-20-2010 06:06 PM
    • Replies: 1
    • Views: 1,610
    Last Post: 07-20-2010 09:53 PM
    by doubleduece  Go to last post
  21. Bad Voltage Ratio Sensor

    Started by hvactech80, 07-05-2010 07:21 PM
    • Replies: 1
    • Views: 2,606
    Last Post: 07-05-2010 07:37 PM
    by ryan1088  Go to last post
  22. Enercon 2 Water Source Heat Pump

    Started by hvactech80, 06-15-2010 04:27 PM
    • Replies: 5
    • Views: 5,316
    Last Post: 06-17-2010 04:47 PM
    by ascj  Go to last post
  23. Where are they now!!

    Started by hvactech80, 06-04-2010 04:36 PM
    • Replies: 4
    • Views: 638
    Last Post: 06-06-2010 07:58 AM
    by yellowirenut  Go to last post
    • Replies: 7
    • Views: 3,299
    Last Post: 06-05-2010 09:10 PM
    by flange  Go to last post
  24. Oil Pressure Questions

    Started by hvactech80, 05-22-2010 07:16 AM
    • Replies: 11
    • Views: 1,510
    Last Post: 05-26-2010 09:43 AM
    by ACCMan  Go to last post
  25. Trane Roto Lock Fittings

    Started by hvactech80, 05-17-2010 06:18 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 10,983
    Last Post: 05-24-2010 10:15 PM
    by mrhvacmechanic  Go to last post
  26. TXV inlet Screen Stopped Up--30 OVE -TXV

    Started by hvactech80, 05-10-2010 08:19 PM
    • Replies: 6
    • Views: 2,072
    Last Post: 05-11-2010 08:30 AM
    by Brimm  Go to last post
  27. Lost Tech Sheet

    Started by hvactech80, 05-06-2010 04:03 PM
    • Replies: 1
    • Views: 938
    Last Post: 05-09-2010 09:04 PM
    by crow1  Go to last post
  28. Superheat at the Compressor

    Started by hvactech80, 05-05-2010 04:18 PM
    • Replies: 3
    • Views: 1,408
    Last Post: 05-06-2010 05:34 PM
    by joey791  Go to last post
  29. Copeland Compressor-Inlet Screen

    Started by hvactech80, 05-05-2010 03:08 PM
    • Replies: 3
    • Views: 1,571
    Last Post: 05-06-2010 03:59 PM
    by hvactech80  Go to last post
  30. Screw Compressor info

    Started by hvactech80, 04-19-2010 09:10 PM
    • Replies: 5
    • Views: 1,334
    Last Post: 04-23-2010 05:30 PM
    by bobby m  Go to last post
  31. McQuay--Package Chiller--Brazing

    Started by hvactech80, 03-08-2010 05:20 PM
    • Replies: 8
    • Views: 949
    Last Post: 03-09-2010 07:24 PM
    by bob_scheel  Go to last post
  32. McQuay--Liquid Chiller--AGZ Model

    Started by hvactech80, 02-27-2010 08:52 PM
    • Replies: 1
    • Views: 2,006
    Last Post: 02-28-2010 12:11 PM
    by Octopus  Go to last post
  33. Carrier-Chilled Water System

    Started by hvactech80, 11-02-2009 12:34 PM
    • Replies: 6
    • Views: 2,001
    Last Post: 11-03-2009 09:42 PM
    by hvactech80  Go to last post
  34. Condenser Fan Speedtrol Failure

    Started by hvactech80, 11-02-2009 03:43 PM
    • Replies: 6
    • Views: 1,016
    Last Post: 11-03-2009 09:14 PM
    by hvactech80  Go to last post
  35. Carrier--50TJQ012

    Started by hvactech80, 10-22-2009 07:28 PM
    • Replies: 3
    • Views: 1,624
    Last Post: 10-26-2009 03:44 PM
    by hvactech80  Go to last post
  36. 3 Phase Scroll Compressors

    Started by hvactech80, 10-12-2009 09:27 PM
    • Replies: 9
    • Views: 1,245
    Last Post: 10-13-2009 09:29 PM
    by chillerguy81  Go to last post
  37. Trane--RTU-Package Gas and DX-Cool

    Started by hvactech80, 09-17-2009 08:16 PM
    • Replies: 4
    • Views: 2,320
    Last Post: 09-19-2009 07:00 PM
    by thump_rrr  Go to last post
  38. Hard To Find Motor

    Started by hvactech80, 08-06-2009 01:07 PM
    • Replies: 2
    • Views: 577
    Last Post: 08-06-2009 05:36 PM
    by DaveCR  Go to last post
  39. 8161-33 Trouble

    Started by hvactech80, 07-16-2009 07:56 AM
    • Replies: 2
    • Views: 519
    Last Post: 07-16-2009 02:46 PM
    by hvactech80  Go to last post
  40. Testing and Balancing Book

    Started by hvactech80, 07-09-2009 11:30 AM
    • Replies: 5
    • Views: 667
    Last Post: 07-09-2009 08:50 PM
    by davidr  Go to last post
    • Replies: 5
    • Views: 1,339
    Last Post: 07-07-2009 10:30 PM
    by ncboston  Go to last post
  41. Fresh Air intake on Commercial Brick Building

    Started by hvactech80, 05-30-2009 09:49 AM
    • Replies: 4
    • Views: 1,597
    Last Post: 05-30-2009 01:32 PM
    by ascj  Go to last post
  42. Proper Install Of Belts

    Started by hvactech80, 04-12-2009 06:26 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 3,561
    Last Post: 04-17-2009 02:27 PM
    by harv  Go to last post
    • Replies: 2
    • Views: 1,030
    Last Post: 10-08-2008 11:26 PM
    by rich pickering  Go to last post
  43. Westinghouse Chiller--Need Wiring Diagrams

    Started by hvactech80, 07-26-2008 07:47 PM
    • Replies: 2
    • Views: 1,787
    Last Post: 07-28-2008 11:03 AM
    by hvactech80  Go to last post
  44. Goodman 13 Seer Heat Pump

    Started by hvactech80, 07-24-2008 06:13 PM
    • Replies: 3
    • Views: 864
    Last Post: 07-27-2008 04:46 PM
    by hvactech80  Go to last post
  45. Problems with 13 Seer Goodman Heat Pump

    Started by hvactech80, 07-24-2008 08:59 AM
    • Replies: 3
    • Views: 1,969
    Last Post: 07-24-2008 01:18 PM
    by hvactech80  Go to last post
    • Replies: 5
    • Views: 764
    Last Post: 04-10-2008 06:47 PM
    by enerGwizz  Go to last post
  46. Capacitor-Start

    Started by hvactech80, 11-20-2007 09:51 PM
    • Replies: 7
    • Views: 1,217
    Last Post: 11-22-2007 12:48 AM
    by John Culpepper  Go to last post
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