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Technical Building Systems Security SystemsData Center Planning

Data Center Cooling Technology

SCHNABEL DC Consultants India Sreekumar K M, Consultant 02.09.2010

CII - Energy Efficiency Summit 2010

Technical Building Systems Security SystemsData Center Planning

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Introduction

Air Conditioning

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“The Process of Treating Air in an Indoor Environment to Establish and Maintain Required Standards of Temperature, Humidity, Cleanliness and Motion”

Technical Building Systems Security SystemsData Center Planning

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Introduction

Environment Criteria – Temperature and Humidity

Parameter2004

Version2008

VersionLow End

Temperature20°C 18°C

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Temperature20°C 18°C

High End Temperature

25°C 27°C

Low End Moisture

40% RH 5.5°C DP

High End Moisture

50% RH60% RH and

15°C DP

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Introduction

Environment Criteria – Cleanliness

� Gaseous Contamination - Severity level G1 as per ANSI/ISA – 71.04 – 1985

� Particulate Contamination - Cleanliness level as per ISO14644 Class 8

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- Cleanliness level as per ISO14644 Class 8- Deliquescent Relative Humidity of the Particulate Contaminate Should be

more than 60%- Data Center must be Free of Zinc Whiskers

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Classic DC Cooling Methodology

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Technical Building Systems Security SystemsData Center Planning

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Optimised DC Cooling Methodology

Isolation of Airstreams

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Chimney Racks

Cold Aisle Containment

Hot Aisle Containment

Technical Building Systems Security SystemsData Center Planning

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Optimised DC Cooling Methodology

Moving Cooling Coil Closer to Load

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Over Head Cooling Rear Door Heat ExchangerIn row Cooling

Technical Building Systems Security SystemsData Center Planning

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Optimised DC Cooling Methodology

Hybrid

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Close Coupled Racks

In row Cooling withAisle Containment

Supplemental Fans

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DC Energy Efficiency

Data Center Efficiency Metrics

� DCiE = IT Equipment Energy / Total Facility Energy

Standard Good Better.5 .7 .9

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45� PUE = 1/ DCiE = Total Facility Energy / IT Equipment Energy

Standard Good Better2.0 1.4 1.1

.5 .7 .9

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DC Energy Efficiency

Climate Zones - ASHRAE Standards 90.1-2007 and 90.2-2007

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DC Energy Efficiency

DCiE by Climate Zone & Data Center Type, ASHRAE TC9.9 Committee

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DC Energy Efficiency

Mechanical System Efficiency Metrics

� PUE Mechanical = Energy Mechanical / Energy IT

� Recommended PUE Mechanical as per Climatic Zone =0.55

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as per Climatic Zone =0.55

� Mechanical System Effectiveness = KWh/yr IT /kWh/yr HVAC

Standard Good Better

0.7 1.4 2.5

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DC Energy Efficiency

Social Impact

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Energy Efficiency

CII Initiative

“Energy Efficiency Guidelines and Best Practices in Indian Data Centers”

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Technical Building Systems Security SystemsData Center Planning

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3Thank You

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SCHNABEL DC Consultants India Pvt. Ltd.Bangalore Mumbai

Phone: +91-80-42471000Fax: +91-80-42471088

www.schnabelag.in

Sreekumar Kollara Muraleedharansreekumar.kollara@schnabelag.com