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Topic Summary:
District chilled water systems are integral parts of large campus type facilities. In these traditional district systems, central chiller plants generate chilled water which is distributed out to various buildings via a central pumping systems.  The various buildings can have dedicated pumps and/or heat exchangers to control chilled water flow/temperature at each building.  With many buildings connected to the one central plant, there can many variables that affect chilled water flow, pressure, and temperature in the system. Our presentation will discuss the issues with the standard chilled water pumping and temperature control of district chilled water distribution systems and how modifications to this control can be accomplished to provide energy savings and improved system control. The presentation will include a case study of the Royal Alexandra Hospital chilled water system modifications.

Speakers Bio:
Quenton Kusiek, M.Sc., P.Eng:
Quenton started in the buildings HVAC industry in 2008 and has primarily focussed on educational and institutional building design for new buildings and renovations. He has worked has worked with district systems and NAIT, University of Alberta Hospital, and the Royal Alexandra Hospital. Quenton is the Mechanical Team Lead at Williams Engineering.

Pierre Laplante:
Pierre started in the controls industry in 1987 in the contracting/installation portion of the industry and switching to the design/consulting portion in 2007. He has been involved with various chilled water system controls projects over the course of his career and has also participated in commissioning of chilled water systems. Pierre has over twenty years of controls technical experience in Alberta, British Columbia and Ontario. Pierre is currently working in automation & commissioning at Williams Engineering.
 

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