纯净水设备定期检查、及时更换精密过滤器滤芯，防止滤芯因安装或质量问题发生泄露所引起的纯净水设备反渗透膜的颗粒污染。纯净水设备机械过滤器定期反洗。反洗时进行压缩空气气体摩擦，反洗合格后静置10min左右再正洗，正洗出水合格后方可投入使用，勿将空气带入反渗透膜。
Regular inspection and timely replacement of precision filter element of purified water equipment shall be carried out to prevent particle pollution of reverse osmosis membrane of purified water equipment caused by leakage of filter element due to installation or quality problems. The mechanical filter of purified water equipment is backwashed regularly. During backwashing, the compressed air is used for friction. After the backwashing is qualified, it is allowed to stand for about 10min before normal washing. After the washing water is qualified, it can be put into use. Do not bring the air into the reverse osmosis membrane.