Standard

NEK EN 50600-4-7:2020

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Abstract

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.

Document information

  • Standard from NEK
  • Published:
  • Edition: 2020-04
  • Version: 1
  • Document type: NAT
  • ICS 35.020
  • ICS 35.110
  • ICS 35.160
  • National Committee NEK/NK215

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