Analyzing the reason of layer flow freezing inside the AHU coil used for typical clean-room, come up with adding to fix the low-capacity electric heater for coil frost protection in order to lower the property loss.

• 通过对典型的洁净空调系统中带防冻保护自动控制装置的空调机组盘管层流结冰冻裂事故 的分析,提出增加小容量电加热器保护装置的改进方法来达到有效的防冻保护,降低财产损失。