Mike Donlon joined Computrols in 1989. He represents the technology arm of the company and is responsible for directing all new product development. He actively selects the hardware and software platforms, development tools, and technologies used in Computrols’ products, and personally developed the now legendary DOS CBAS system. Most recently, Mr. Donlon’s focus has been on advanced graphics and system analytics.
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On March 21, 2018, Computrols Director of Research and Development, Mike Donlon, presented on the topic of “Optimal Virtual Metering In Building Automation” at the Globalcon Conference in Boston, MA. The below information is a transcribed excerpt from his session.
By Mike Donlon Director of Research and Development, Computrols
The most common Cooling Tower Control System uses a fixed temperature setting for the condenser water supplied back to the chillers. For convenience, let’s label this temperature:
TO = Tower Outlet temperature
To control this value, most controls technicians would program a control loop (PID or similar) to vary the overall Cooling Tower Fan usage in order to maintain this temperature. In most large buildings, multiple Cooling Tower Fans are available for this purpose. Continue reading Cooling Tower Control Based on “Approach”→