Patent ID: 6276146
Filing Date: 2001-08-21
Classification: F25C,F25D

Abstract:
A method for controlling the purified water passage of a refrigerator with a water purifying filter, the refrigerator having a first valve for controlling water supply to the water purifying filter and a second valve for controlling water supply to a dispenser and an ice-making unit, comprising the steps of:determining whether the dispenser and the ice-making unit are operated;opening the first and second valves if the dispenser and the ice-making unit are operated;determining whether a refrigerator compartment door and a freezer compartment door are closed if one of the dispenser and the ice-making unit is operated;closing the first and second valves if at least one of the refrigerator compartment door and the freezer compartment door is opened; andclosing the first and second valves if the dispenser and the ice-making unit are not operated.