Optimized management

EMEA Sales Training

April 2011

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Datacenter needs

Data Centers are a critical element regarding service continuity and represent one of the elements with the highestenergy consumption within the electrical chain.

Improving the efficiency in cooling systems is a crucial point in order to minimize the PUE rating of the Data Center.

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Chiller Free Cooling Raised Floor Supervision and Control

Critical components for Efficiency

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CRACs Chiller Regulation Distribution

EC Fans Free Cooling Active Stand By and Load Sharing

Pressure Control Under the raised

Intelligent Free Cooling Discharge Temperature

Control Active Distribution

Integrated Dehumidification

Oil Free Technology Dynamic Setpoint Monitoring

Tandem Compressors Efficient Refrigerants Master Control

Energy Saving EC Fans Partial Load ManagementEfficient

Refrigerants Tandem Compressors

Electronic Expansion vale

Critical components for Efficiency

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Integrated solution

Local Area Network for all the cooling devices

• Adaption of the operating parameters to meet the real needs of the system • “tracking logic” for the current thermal load• Energy consumption optimization• Critical situation management

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Set-point optimization

LAN connection with CRAC units

•Dynamic set-point according to the load and operating conditions •Energy usage optimization in all operating conditions•Free-cooling maximization

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1.0

2,0

3,0

4,0

5,0

6,0

Energy Efficiency Ratio

Minimum Medium Max

16 °C

18 °C

20 °C

22 °C

Chiller WaterTemperature

Internal Load [kW]

Set-point optimization

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Set-point optimization

According to the datacenter structure different solutions can be applied

•Modulating chillers directly connected to a single CRAC•Modulating chillers directly connected to the CRACs•Medium large chillers directly connected to the CRACs•Chillers connected to separate areas•Master control for the entire data centers

Thermal load

Thermal load

Thermal load

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Innovative Solutions for All Conditions

Continuous capacity adaptionOutlet water temperature control

Discharge air temperature control

Thermal load

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Innovative Solutions for All Conditions

Continuous capacity adaptionOutlet water temperature control

Suction air temperature control according to the room conditions

Thermal load

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Innovative Solutions for All Conditions

Step capacity adaptionOutlet water temperature control

Suction air temperature control according to the room conditions

Thermal load

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Master control

Management of the whole system allows energy consumption to be optimized and strategies of integrated control.

Uniflair Master Control is a control and supervision system of the perimeter units, the Active Floor® and the chillers.

Each single element optimizes its own operating parameters depending on the actual load of the server.

Thermal load

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Case Study – Nationwide, Newbury

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20% 70% 60% 10% 20%

8 ºC

Chiller Plant Area

Fixed CW Supply Temperature

Variation in Data Centre Load

8 ºC

Conventional design

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Optimization System

• Modular groups of Downflow units (up to 10 per group)

• Each modular group connected to a dedicated FC chiller

• Each FC chiller is self contained including pumps (1 or 2), expansion vessel, buffer vessel* and group controls

• Each modular group requires only power, pipework connection, LAN connection

• No requirement for pump controls, pump plant room

• Installation is fast, efficient and cost effetive

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20% 70% 60%

19 oc 13 oc 14 oc

19 oc 13 oc 14 oc

Variation in CW Supply Temperature

Variation in Data Centre Load

Optimization System

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20% 70% 60% 10% 20%

19 oc 13 oc 14 oc 19 oc

19 oc 13 oc 14 oc 19 oc

19 oc

19 oc

Low Cost Build up to Max Data Hall occupation

Optimization System

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Mechanical Plant Space 60 to 100% * 30% *

Water Leakage Potential 150,000 to 200,000 Litres 1,500 Litres

Tolerance Fault tolerant (with twin distribution system)

Fault tolerant (dispersed system)

Cost Up to 60% Less

* % of white space

Conventional Optimized

Space – risk – CAPEX

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Space optimization

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Simple pipeworks and thermal inertia reduction

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Simple pipeworks and thermal inertia reduction

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0,0

1,0

2,0

3,0

4,0

5,0

6,0

Min load Middle load Middle load Max load

Ener

gy E

ffici

ency

(EE

R)

Load condition

Uniflair Integrated solution Standard control logic

+21%+21% +12%+12% +29%+29%

Energy Efficiency

Results

Cooling mode• External temperature: 35°C• Load variation: 100 – 250kW• High Energy Efficiency at low load

conditions

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0,02,04,06,08,0

10,012,014,016,018,0

Min load Middle load Middle load Max load

Ener

gy E

ffici

ency

(EE

R)

Load condition

Uniflair Integrated solution Standard control logic

+33%+33%

+10%+10%

+42%+42%

Energy Efficiency

Results

Free-Cooling mode• External temperature: 10°C• Load variation: 100 – 250kW• Free-cooling maximization

Optimized management

2011