| 摘要 |
PROBLEM TO BE SOLVED: To provide a switching type RO (reverse osmosis) water purifier where raw water is switched from stored water in a raw water tank to tap water in a tap water pipe in accordance with using purposes, applications or the like, and purifying treatment of high quality can be performed. SOLUTION: When raw water feed is switched from stored water in a raw water tank 1 to tap water W, similarly to the stored water, it can be purified by an RO membrane device 9. The concentration of the purified water is monitored, and, when it exceeds a standard concentration, various abnormality information is notified, and, in accordance with the using conditions of the stored water in the raw water tank 1 or the tap water W, maintenance times in raw water exchange, tap water feed abnormality, RO membrane inspection or the like are correctly informed. COPYRIGHT: (C)2011,JPO&INPIT
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