Modular design is adopted in the unit,with each mode connected with water pope and wire, flexible in combination and convenient in instsllation. The unit adopts computer control,liquid crystal display and fuull automatic operation,and is endowed with functions like protecions against water supplt breaking,freezing,high coltahe,low vpltage,short(reverse) phase,wtc,water temperature setting ,real-taime temperature disp;ay.failure detection and inquity,automatic energy adjuystment,compressor wearing balance,automatic defrosting,remote conteol and so on. The conteoller can auto,atically conteol the number of modules in the unit and the refrigerating coefficient od the modules in accrdance with the difference between the temperature if out-flowing water(or the returned water) and that correspondingly the enecrgy adjustment range is wide and operation econcmical. Inter-independert refrigerating systems inside the unit makes separate repair to a certain module or a certain sutem within the module possible,without influencing the tsage od entire unit,the repair and maintenance cam be rasily carried out. The sheet metal,processed with quality cold plate,and treated with electrostatic plastic spraying, has solid coating and high anti-corroseve performance. Wind lateral heat exchanger is made with imported equipment and has goos heat transfer performance. The heat transfer pipe of the water lateral heat exchanger is of threaded pipe with highly efficient reinforcement,with high heat-teansfer coefficient and small water resistance. Main parts of the refrigerating system are of international famous brands with reliable performance. Other information