| 摘要 |
PURPOSE: A water purifier of a natural filtration type is provided to consecutively use a large amount of water without unnecessary waiting tire for raw water supplement by processing detecting results of float sensors with the constant algorithm. CONSTITUTION: A water purifier of a natural filtration type comprises the following: a first tank(T1) storing and supplying raw water; a filter assembly(F) purifying raw water of the first tank; a second tank(T2) storing and supplying the purified water and connected to the first tank with the filter assembly; a third tank(T3) connected to the second tank; a float sensor built in the first, the second, and the third tanks; and a control part controlling a pump according to the detection results.
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