Liebert: DS Cooling Brochure


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Standard building cooling systems are designed to keep people comfortable 8-12 hours each day from spring to autumn with no provision for winter operation. A precision cooling system is designed to operate over a wide range of ambient temperatures from as low as -30°F (-34.4°C) up to 120°F (48.9°C). Sensitive electronics must be maintained in a stable environment of 68°F to 77°F (20°C to 25°C) with a relative humidity of 40% to 55%. Computers and communications equipment generate six to ten times the heat density of normal office space, the air conditioning system must have more than just enough cooling capacity. It must have the precision to react quickly to a drastic change in heat load and prevent wide temperature fluctuations—something a large building HVAC system cannot do.
Liebert has identified a number of distinct zones or areas of application found within many business-critical applications. Each zone has similarities, but with different needs for infrastructure protection—all of which can be met by Liebert solutions.

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