ISO/IEC 30134-7:2023 PDF
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Information technology — Data centres key performance indicators — Part 7: Cooling efficiency ratio (CER)
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).
| Edition | 2023 |
|---|---|
| Standard Part No | 7 |
| Published Date | 2023 |
| Published By | ISO/IEC |
| Page Count | 16 |
