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NEWS
New Liquid Cooled Datacom Environmental Classes Introduced
October 19, 2011

A new whitepaper that serves as the first vendor neutral thermal guideline for liquid cooled data processing environments is available for free download from The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).

“2011 Thermal Guidelines for Liquid Cooled Data Processing Environments” creates data center classes for liquid cooling that can enable fulltime economizers for a number of applications in many climates, according to according to Don Beaty, chair of the Publications Subcommittee of ASHRAE’s Technical Committee (TC) 9.9, Mission Critical Facilities, Technology Spaces and Electronic Equipment.

“2011 Thermal Guidelines for Liquid Cooled Data Processing Environments” can be downloaded for free from the ASHRAE TC9.9 website at www.tc99.ashraetcs.org.

In addition to the classes, the whitepaper provides insight into other considerations for liquid cooling including condensation, operation, water flow rates, pressure, velocity and quality as well as information on interface connections and infrastructure heat rejection devices.

This whitepaper follows an earlier whitepaper released in May 2011, “2011 Thermal Guidelines for Data Processing Environments – Expanded Data Center Classes and Usage Guidance,” which addresses air cooling in data centers and created new data center environmental classes which expanded the opportunity for chiller-less data centers (fulltime economizers).


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