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 unscrewed.
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.
White / Black - Black
Gray / White - Black
Blue / Red - Black