2018 Best Practice Guidelines for the EU Code of Conduct on Data Centre Energy Efficiency: Version 9.1.0

.............................................................................................................. 1 1 Document Information ....................................................................................... 2 1.1 Version History ............................................................................................ 2 1.2 Release History ........................................................................................... 2 1.3 Authors ...................................................................................................... 2 2 Introduction ...................................................................................................... 3 2.1 Role of Best Practices ................................................................................... 3 2.2 Expected Minimum Practices ......................................................................... 3 2.3 Application and Assessment .......................................................................... 4 2.4 Value of Practices ........................................................................................ 4 2.5 Applicability of Expected Practices .................................................................. 4 2.6 Type of Participant ....................................................................................... 5 2.7 Participants who do not control the entire data centre ...................................... 5 2.7.1 Guidance to operators with partial control of the data centre ..................... 5 2.7.2 Areas of Responsibility ......................................................................... 6 2.7.3 Implement or Endorse .......................................................................... 7 3 Data Centre Utilisation, Management and Planning ................................................ 8 3.1 Involvement of Organisational Groups ............................................................ 8 3.2 General Policies ........................................................................................... 9 3.3 Resilience Level and Provisioning ................................................................. 12 4 IT Equipment and Services ............................................................................... 13 4.1 Selection and Deployment of New IT Equipment ............................................ 13 4.2 Deployment of New IT Services ................................................................... 19 4.3 Management of Existing IT Equipment and Services ....................................... 20 4.4 Data Management ..................................................................................... 21 5 Cooling ........................................................................................................... 23 5.1 Air Flow Management and Design ................................................................ 23 5.2 Cooling Management .................................................................................. 27 5.3 Temperature and Humidity Settings ............................................................. 28 5.4 Cooling Plant ............................................................................................. 30 5.4.1 Free Cooling / Economised Cooling ....................................................... 30 5.4.2 High Efficiency Cooling Plant ............................................................... 33 5.5 Computer Room Air Conditioners / Air Handlers ............................................. 35 5.6 Reuse of Data Centre Waste Heat ................................................................ 37 6 Data Centre Power Equipment ........................................................................... 38 6.1 Selection and Deployment of New Power Equipment ...................................... 38