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BS EN 50600-4-6:2020

BS EN 50600-4-6:2020

$142.49

Information technology. Data centre facilities and infrastructures – Energy Reuse Factor

Published By Publication Date Number of Pages
BSI 2020 24
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This document:

  1. specifies the Energy Reuse Factor (ERF) as a KPI to quantify the reuse of the energy consumed in the data centre;

  2. defines the measurement, the calculation and the reporting of ERF;

  3. describes the application of ERF and its discrimination from Power Usage Effectiveness (PUE).

The ERF does reflect the efficiency of the reuse process, which is not part of the data centre.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
3 Terms, definitions, abbreviations and symbols
3.1 Terms and definitions
3.2 Abbreviations
10 3.3 Symbols
4 Applicable area of the data centre
11 5 Determination of Energy Reuse Factor (ERF)
12 6 Measurement of EReuse and EDC
13 7 Application of Energy Reuse Factor (ERF)
8 Reporting and trend tracking of Energy Reuse Factor (ERF)
8.1 Reporting of Energy Reuse Factor (ERF)
8.1.1 Standard construct for communicating ERF data
8.1.2 Data for public reporting of ERF
8.1.2.1 Required information
8.1.2.2 Supporting evidence (where required by authorities having jurisdiction)
14 8.2 Recommendations for trend tracking data
8.3 ERF derivatives, interim ERF
15 Annex A (informative)Examples of ERF use
A.1 General
A.2 Correct use of ERF
A.2.1 Warm air/water reuse outside the data centre boundary
A.2.2 Heat to run an absorption chiller or using heat pump to increase temperature
16 A.2.3 Heat to generate electricity used elsewhere
A.3 Incorrect use of ERF
A.3.1 Heat to run an absorption chiller or generate electricity for use in the data centre
A.3.2 Heating a data centre support space or pre-heating of data centre generators
A.4 Split-system complications – Heat to run an absorption chiller
17 A.5 Heat pumps and liquid cooling
A.5.1 General
A.5.2 Heat pumps for reuse heat inside the data centre only
18 A.5.3 Heat pumps for reuse heat outside the data centre only
A.5.3.1 General
A.5.3.2 Reuse of heat with heat pumps or heat exchangers outside a data centre
19 A.5.3.3 Heat pumps and liquid cooling for reuse waste heat outside the data centre
20 A.5.3.4 Heat pumps supplies outside and inside a DC (split-systems complications)
22 Annex B (informative)Energy Conversion Factors ā€” Energy Measurement at the Data Centre Boundary

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BS EN 50600-4-6:2020
$142.49