Evolution of air conditioning chilled water systems and practice of variable primary flow chilled water systems

Variable primary flow chilled water system is a system with energy saving. Variable primary flow chilled water technology is an innovation technology based on advanced control technology of chillers. Outlines evolution, development and problems of air conditioning chilled water systems, and detailedly discusses technical background, difficulties, merits and demerits, and some problems in development of variable primary flow chilled water systems. Presents the study and engineering application of the system, and summarizes design key points and operation guides for the system. Presents four views in person.