EN 50600-4-7:2020
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Information technology - Data centre facilities and infrastructures - Part 4-7: Cooling Efficiency Ratio
04-03-2020
This document specifies the Cooling Efficiency Ratio (CER) as a Key Performance Indicator (KPI) to quantify the efficient use of energy to control the temperature of the spaces within the data centre.This document:a) defines the Cooling Efficiency Ratio (CER) of a data centre;b) describes the relationship of this KPI to a data centre’s infrastructure, information technology equipment and information technology operations;c) defines the measurement, the calculation and the reporting of the parameter;d) provides information on the correct interpretation of the CER.Annex A describes the correlation of CER and other KPIs.Annex B provides examples of the application of CER.Annex C introduces the parameters that affect CER.Annex D describes requirements and recommendations for derivatives of KPIs associated with CER.
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