Temperature Control Systems And Why They Dont Work
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Temperature Control Systems And Why They Dont Work

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Tech 1 - W J Coad

Tech 1 - W J Coad
Technical Session from the 2006 ASHRAE Region VI CRC

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Temperature Control Systems And Why They Dont Work Temperature Control Systems And Why They Dont Work Presentation Transcript

  • TEMPERATURE CONTROL SYSTEMS: Why Don’t They Work ?
  • WHAT WENT WRONG?
    • WILLIAM J. COAD
    • COAD ENGINEERING
  • Where We’ve Arrived:
    • Digital control has replaced analog control with few exceptions
    • In the very near future, the “exceptions” will have been removed
    • Hardware is continually improving in reliability and capacity and decreasing in cost
  • Where We’ve Arrived:
    • As a percentage of cost, software development, custom programming and commissioning have become much more significant than hardware
    • Many companies have seriously underestimated the need for and the cost of custom programming and system commissioning. As a result, most systems have failed to perform to their capability.
  • Benefits of Digital Controls
    • They are information rich
    • They are infinitely flexible
    • They are expandable
  • The Solutions
    • Eric Utterson
    • The Role of the Consulting Engineer
    • Harry Demetrulias
    • The Role of the T. C. Contractor
    • Jim Stueber
    • From an Owner’s Perspective
    • Jay Santos
    • Controls Commissioning
  •