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USystems ColdLogik

Introduction to ColdLogik

Put simply ColdLogik is a range of cooling solutions designed to maximise uptime while minimising running cost. It is well documented that packaging densities of computer systems are set to continue to increase at the same time processor capacity is growing, the natural consequences; ever greater heat generation. It is also known that 55% of electronic failure is due to temperature with the obvious consequence of system failure, costly down time, revenue stream affected, lack of customer confidence etc. Traditional data centre temperature control systems and concepts have up until the past few years kept pace, but now they're reaching their limitations. Some companies are finally reduced to limiting the amount of equipment being houses within each rack or reducing the number of racks in each room, this might be acceptable in the short term but real estate cost seldom allow this option to be viable in the medium to long term. It must be every data centre manager's ambition to prevent high on-going operating costs; ensuring levels of efficiency are maintained to the highest levels possible and that operational reliability is guaranteed - all with the single purpose of achieving 'zero downtime'. So, what can be done to overcome the heat problems? The answer cannot be given with one product, but a range of products designed to integrate with each other to provide a scalable modular approach, to deliver a number of logical solutions.

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High Density Water Cooling Overview

In order to achieve optimum cooling efficiency ColdLogik adopts the simple principle of supplying cooling directly where it is needed, preventing heat gain from ever getting into the data room. This is achieved by using the cabinet rear door as a heat exchanger.

Each rear door is fitted with a high density coil, six centrifugal fans and intelligent electronics. These six variable speed fans pull the exhaust air from the incumbent equipment over a water filled coil fed via a central distribution unit ‘CDU’. Heat is transferred from the air and into the water which in turn is carried away to the chilled water services. The subsequent chilled air is forced from the back of the door and into the data room back at ambient temperature.

A logical argument.

It is now widely accepted that even modern designed data centre's utilising the hot aisle cold aisle arrangement can only cope with 3 to 4kW from each cabinet. A number of server manufactures are already indicating heat will become even more of an issue when the next generation of products hit the market, when combined with other communications and storage equipment previously not considered a problem there is real cause for concern. There is also a determined drive to improve the efficiency of data centres as a whole, saving energy and improving carbon foot print is paramount.

Consider the facts:

The ColdLogik CL20 Server Cabinets have zero thermal impact
By dealing with heat gain at source prevents recirculation of hot air and potential hot spots, thereby saving equipment life expectancy, ensuring ??????? not to say maintaining
Air conditioning alone is inefficient, as quoted by the Uptime Institute 'only 28% of air conditioning is actually going where it is needed while 72% of air is just mixing with return air, essentially being wasted'. Combined with the fact that water is 3500 times more effective than air by volume.
Zero cost on facilities spend
System utilises existing power and chilled water services
Optimise rack and floor space
Increases rack density way beyond current 2 to 4kW limits
24% saving on energy consumption
70% of fan and 30% of compressor power is wasted through inefficient operation and poor air distribution
Zero cost on facilities spend
System utilises existing power and chilled water servicesogical solutions.

Also on Usystem range: Ucoustic click here

Wood Communications, Unit L7, Ballymount Industrial Estate, Dublin 12, Dublin, Ireland. +353 1 426 4000