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High Efficiency Data Centre Cooling

Published: 7th July 2012

Article from:  Energy in Buildings & Industry Magazine – June 2012

Colt Technology Services’ data centre in Wapping, London, has been equipped with ultra efficient Turbomiser chillers as part of an upgrade delivering a total of 3.3MW of high efficiency cooling.

The facility, at Princes Court in East London, will be cooled by six of the Turbomiser machines, each rated at 550kW.

The contract was won by Bristol-based specialist Cool-Therm Ltd against stiff competition, following successful performance tests with Turbomiser at Colt’s Powergate data centre.  Monitoring by the client showed that energy consumption fell by 55 per cent following the replacement of existing chillers with Turbomisers.

In addition to more than halving energy costs, Colt says it has benefited from significant reductions in service and maintenance costs.

Following installation of the Turbomisers, the site’s PUE has been reduced by 24 per cent, representing a huge saving in electrical power of 140kW at any one point in time.  Over the lifespan of the equipment, it is estimated that Colt will have helped to reduce UK carbon emissions by at least 20,000 tons of C02.

Rob Young, who headed up the project for Cool-Therm, says:  "Taking into account ambient fluctuations, this equates to an annual saving of well over £100,000 a year.  This is with fan speed limited to 60 per cent of capacity due to site noise restrictions.  If the fans were allowed to run faster using the new adaptive fan speed control, savings would be even greater.”

Ken Strong, Cool-Therm MD, said:  “It was a highly competitive project, and Turbomiser was not the lowest cost option on the table.  However, the impressive energy savings that have now been proven in the previous Colt installation, plus savings in service costs, proved decisive in winning the contract for Cool-Therm and Turbomiser.”

 

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