Sharp DW-71-H Service Manual page 10

DW-71-H
2. Changing the airflow direction
Upward
Push the lever upward.
Diagonally downward
Push the lever downward.
3. Defrosting mode
(1) Necessity of defrosting
When the room temperature lowers below approx. 16 :, the temperature of cooler lowers below 0 :, resulting in frosting
of cooler which impedes air flow. Therefore defrosting must be performed timely.
(2) Start of defrosting
When the defrosting thermistor temperature sensor detects temperature of about 2.5 : or below and the IC timer
counts approx. 40 min., while the room temperature is below approx. 16 :, the defrosting operation is started.
(3) End of defrosting
When the defrosting thermistor temperature sensor detects about 12 :, the defrosting is ended, and the normal
operation is resumed.
The defrosting time is about 5 to 10 minutes.
(4) Hot gas defrosting system
In the defrosting mode the solenoid valve is actuated and opened, so that the hot gas flows in the arrow direction
shown in the figure to remove the frost on the cooler.
Dryer filter
Cooler
Capillary
Compressor
Perform the
drying clothes
operation.
In the defrosting mode the solenoid valve is actuated and
Condenser
opened, so that the hot gas flows in the arrow direction
shown in the figure to remove the frost on the cooler.
Solenoid valve
10
To dehumidify your room
To dry clothes
To dehumidify a closet or wall
Open the door
of the closet
and operate the
unit in front of it.