LG WQD74RJ5P Owners Manual And Operation Manual page 22

How to clean

Separate Hot water/Cold water separation-
screen by turning it to the left.

Wipe the surface of the tank with soft cloth.
Do not use any chemical or detergent. If chemical or
detergent is not washed completely, this may be harm
to human body.

Rinse the tank with saved-purified water,
then drain the water completely by using Hot
water/drain hose.
22
Separate Hot water/Cold water