April 2021 Edition


Waterside Economizer for Air-Cooled Chillers

By Frank Silva, Carrier Commercial HVAC NA

This article discusses using devices known as “waterside economizers” and “dry coolers” as means to achieve “free-cooling”. Free cooling (sometimes referred to as a “free cooling system”) can reduce energy consumption and operating costs by using cold ambient air in lieu of running chiller compressors for cooling loads.

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Bayer Crop Science Chiller Replacement Project

By Eric Kruzan, Evergy Business Energy Savings Program

In 2010, an 800-ton water-cooled chiller was installed at the SFP plant to provide process chilled water to support the active diffusion process in the plant.  The 800-ton chiller was connected to a common header with a 600-ton and a 1,000-ton chiller in a closed-loop system supporting the production process.  The chillers run year-round to create a constant 40°F water temperature for production equipment in the plant.

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Sustainability Pillars at Intertape Polymer Group Inc.

By Roderick M. Smith, Chiller & Cooling Best Practices Magazine

In February 2021, Chiller & Cooling Best Practices Magazine interviewed members of the Intertape Polymer Group Inc. (IPG) Sustainability Pillars team to gain an understanding of the work being done to improve energy efficiency. The team members interviewed were Michael Jones (Director of Corporate Energy), Michael Deitering (Senior Project Engineer), Jarrod Knapp (Maintenance Manager) and Mark Secord (Engineering Group Leader).

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Modernization at Chicago Midway International Airport Central Heating and Refrigeration Plant

By Steve Tredinnick, Burns & McDonnell

Since its inception, MDW has seen growth in air travel. To handle the increased passenger volume and modernize the airport, a larger terminal went under construction in 2000 and was completed in 2004 as part of a terminal development program. The program also included a new Central Heating and Refrigeration Plant (CHRP), which was completed in 2000 to serve the increased cooling and heating needs of the new terminals.

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Three-pronged Approach Keeps Process Cooling System at 1.7 Million-Square-Foot Quad Printing Plant Running Smoothly

By Mike Grennier, Chiller & Cooling Best Practices Magazine

For the Production Support team at the expansive Quad printing plant in Sussex, Wis., there isn’t one way to manage the operation’s complex and elaborate process cooling system. Rather, the formula for success involves a three-pronged approach that includes carefully measuring and monitoring system performance, diligently and proactively maintaining equipment to ensure peak efficiencies, and investing in updated equipment based on sound decision making. 

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