Redundant cooling by means of two oil-free turbo chiller units and two hybrid coolers allocated to the chillers. In addition two free redundant cooling heat exchangers have been installed. An integrated brine-water-heat pump is providing heat for the rooms and ventilation. h5. Technical data: * Chillers: 2 x 1.200 kW * Hybrid Cooler: 2 x 1.200 kW * Free Cooling: 12 x 1.200 kW * Heating: 115 kW