| 摘要 |
PURPOSE: A water purifier is provided to smoothly supply warm water and cool warm of adequate temperatures to users and to maintain the stability of a water supplying process. CONSTITUTION: A water purifier includes a purified water tank(20), a warm water tank(30), a cool water tank(40), and an auxiliary tank(50). The warm water tank stores purified water from the purified water tank and includes a first heating unit(60) heating stored purified water. The cool water tank stores purified water from the purified water tank and includes a first cooling unit(70) cooling the stored purified water. The auxiliary tank stores purified water from the purified water tank. The auxiliary tank is in connection with the warm water tank through a first opening and closing valve(96) and is in connection with the cool water tank through a second opening and closing valve(98). The auxiliary tank includes a second heating unit and a second cooling unit.
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