Ashrae 90.4 Pdf -

1. The Standard: What is ASHRAE 90.4?

1. Introduction: The standard provides an overview of the importance of energy efficiency in data centers and the purpose of the standard.
2. Normative References: This section lists the documents referenced in the standard.
3. Definitions: The standard provides definitions for key terms used in the document.
4. Requirements: This section sets out the energy efficiency requirements for data centers, including minimum efficiency levels for HVAC systems, power distribution, and cooling systems.
5. Guidelines: The standard provides guidelines for designing and operating data centers, including recommendations for air-side and water-side economization, and the use of free cooling.
6. Measurement and Verification: This section provides guidelines for measuring and verifying energy efficiency in data centers.

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