HOW CHILLED WATER SYSTEMS MEET DATA CENTRE AVAILABILITY AND SUSTAINABILITY GOALS
VERTIV WHITE PAPER
How Chilled Water Systems Meet Data Center Availability and Sustainability Goals
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The data centre industry continues to develop larger data centres to meet capacity demands , while at the same time taking steps to significantly reduce the impact of data centres on the environment . Companies like Vertiv design with sustainability in mind , developing data centre solutions that help meet the needs of the present without compromising the ability of future generations to meet their own needs .
Cooling systems , and in particular , chilled water systems can play an important role in this evolution . They allow owners and operators to develop new data centres that efficiently address both direct and indirect emissions , which are factored into the total equivalent warming impact ( TEWI ) metric .
Today ’ s chilled water systems reduce direct emissions by limiting the amount of refrigerant used compared to other technologies and enabling the use of new , greener refrigerant types available in the market . These systems also reduce
indirect emissions when they adopt new technologies and the system is optimized via best practices regarding system control , which are described in this paper .
The ability of a chilled water system to drive down both direct and indirect emissions can help critical facility operators to achieve a lower TEWI . Chilled water systems can also effectively balance water and energy usage for efficient cooling systems to support a low water usage effectiveness ( WUE , as defined by the Green Grid ).
The combination of low TEWI and low WUE makes chilled water systems one of the most sustainable choices .
The combination of low TEWI and low WUE makes chilled water systems one of the most sustainable choices for data centre thermal management in terms of energy and water efficiency . These systems have been adapted to follow the evolution of data centres to non-raised floor designs and can help facilitate the transition to liquid cooling . p
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