The design of the station public area and the fresh air cooling load of each room has detailed calculations.The design of the cooling load is 343.16kW cooling load index of about 136.3W / m3. The program intended for use in water-cooled chillers semi-enclosed twin-screw chillers. Screw chiller unit selection Chongqing General Industry (Group) Co., Ltd. LSBLG series of water-cooled semi-hermetic twin screw chillers, two, model LSBLG430. Modular air conditioning units in public areas full of air systems use two 2KS series modular air conditioning units.Load calculation software through hongye calculated load hand calculated and check again. For the selection of air conditioning equipment, pump selection, related hydraulic calculation provides full and accurate basis.