Disconnect the wiring receptacle.
Unscrew 2 screws from the back.
When reconnecting the connector
VALVE #1 (MAIN)
VALVE #2 (PRE)
VALVE #3 (HOT)
Open the lower cover cap by using coin and pull out the
lower cover to the arrow direction after a screw is
Open the door completely.
Remove the two screws from the hinge.
When removing the door assembly, it is necessary to
hold the bracket that is inner of the cabinet cover.
Black - Gray
Blue/White - Black