Danske Regioner Sundhed09UK Page 29
PassiVe aiR Cooling
ringsted hospital
Open-air IT
· Passive air cooling saves Region Zealand more than euR 135,000 on its annual electricity bill. · Passive air cooling systems use cold air from outside instead of electricity-powered cooling compressors. this saves both power and Co2 emissions. · the it centre in Ringsted uses passive air cooling for nine months of the year, and the compressors which otherwise cool the servers now consume 70 percent less electricity.
"In the old days we would shut down a system, put it under our arms, and drive it somewhere else. The staff would just have to manage without server access in the meantime. But here we have actually moved most of the equipment without turning off the servers, so nobody has noticed anything," he continues. The new routines have gradually caught on in Ringsted Hospital, even though construction is still continuing and new offices are being built for the 66 IT staff based at the complex. At the same time, the work has been given a boost by the new office environment. Before, when IT staff from all over the region needed to talk to each other, much of the communication took place via video conferences, but now they can talk freely together without the need of a technical go-between. "It creates a whole new kind of initiative and self-regulation when you can see your staff face to face. Now, you can actually see the enthusiasm fired by shared experiences," says Michael Hansen.
At Ringsted Hospital, the server room is no longer cooled by electric cooling compressors. Instead, cool air from outside is used.
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