This paper analyses the control modes of three different refrigeration systems in CA cold storage: one -compressor refrigerating unit with Freon, indirect refrigeration with glycol, and multi - compressor refrigerating unit.

• 简要分析了气调库中氟利昂单机单控方式、乙二醇间接制冷方式及多机头并联机组分级控制三种 方式各自的特点。