Electrolux ADW750EA, Service Manual

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Page 10
The door vent actuator opens the vent only during the
dry cycle. It is closed during all other cycles to minimize
heat loss and to prevent noise from being transmitted
into the kitchen.
DRYING SYSTEM COMPONENTS
Lower Vent Housing
The lower vent housing is located between the inner
door assembly and control housing and is mounted to
the inner door panel. The lower vent housing surrounds
an opening in the inner door panel. This opening is
covered with a moveable vent valve.
Vent Valve
The vent valve is a rectangular rubber covered pad
slightly larger than the opening. The vent valve is
attached to the vent actuator which is electrically
operated.
Vent Actuator
The actuator is made up of a rod, slide, wax motor and
spring. The valve is attached to one end of the rod and
the slide is inserted in the other. The spring pushes in
on the slide forcing the rod to push the valve against the
opening in the door panel.
When the timer enters the dry cycle, 120 VAC is applied
to the wax motor. The wax motor is made up of a heating
disk, fluid chamber and piston. When voltage is applied
to the heating disk, it heats the fluid in the chamber
causing the fluid to expand, driving the piston out. The
piston forces the slide out and causes the vent valve to
open.
The vent actuator is replaced as a complete assembly,
no replacement parts are available.
Blower
Electronic control models use a small motor and
centrifugal blower assembly that is mounted to the top
section of the lower vent housing.
Upper Vent Housing
The upper vent housing is screwed to the blower and
directs the air from the blower to the outlet in the
console.
Vent Valve
Upper Vent
Housing
Blower Motor
Lower Vent Housing
Actuator
(on rear)