The design of air conditioning system is a library building in Nanjing. The building a total of eight layer, open stacks, audio-visual classroom, periodical reading room, and high-ri office function refrigerating room layout in the bament.Known for providing work and day to day activities of the establishments known as building. Now only one-fifth people have to spend time in the building. The built environment for people's quality of life, job and life gradually aroud widespread concern in the community. Our ancestors worked from the beginning to the current changes in the built environment is an extremely difficult and complex process, do not forget to cheat is to improve the environment inside the building at the beginning, in order to meet the requirements of our
working and living environments. Then the air-conditioning system design is constantly doing rearch in this area, according to the complex functional requirements and features of the building, as well as Nanjing meteorological conditions and air conditioning requirements, reference literature on the building system of the central air conditioning system planning. Taking into account the characteristics of the building, all rooms are fan-coil-air system.
Design of the main steps are: load calculation of cold and hot source choice; the wind system design and calculation of water system design and calculation; insulation design of the duct system and plumbing; air-conditioning end equipment and plant ancillary equipment lection, etc. According to the results of various calculations, through control of indoor temperature, humidity and cleanliness of sound and light environment makes people's lives more comfortable.
Key words: central air-conditioning system-air fan-coil system, chiller rooms
