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ISO/IEC 30134-7:2023

Current Revision

Information technology - Data centres key performance indicators - Part 7: Cooling efficiency ratio (CER)

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This document specifies the cooling efficiency ratio (CER) as a key performance indicator (KPI) for quantifying the efficient use of energy to control the temperature of spaces within a data centre (DC).

This document:

a)    defines the CER of a DC;

b)    describes the relationship of this KPI to a DC’s infrastructure, information technology equipment and information technology operations;

c)    defines the measurement, the calculation and the reporting of the parameter; and

d)    provides information on the correct interpretation of the CER.

Annex A describes the correlation of the CER and other KPIs.

Annex B provides examples of the usage of the CER.

Annex C introduces the parameters that affect the CER.

Annex D describes requirements and recommendations for derivatives of KPIs associated with the CER.

This document is not applicable to cooling systems that are not powered by electricity (e.g. heat-driven absorption chillers).


SDO ISO: International Organization for Standardization
Document Number ISO/IEC 30134
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/IEC JTC 1/SC 39
Publish Date Document Id Type View
Not Available ISO/IEC 30134-7:2023 Revision