In the existing Emuge refrigeration plant, an additional refrigeration machine (speed-controlled screw compressor) was integrated into the 6/12°C refrigeration system for redundancy reasons. The cooling water system was extended by an open cooling tower. h5. Technical data: * Cooling capacity: 1.242 kW bei 6°C /12°C * Recooling power: 1.500 kW bei 33°C/27°C