Hitachi RAS-50WX8 Service Manual page 16

FAN OPERATION
You can use the device simply as an air circulator. Use this function to dry the interior of the indoor
unit at the end of summer.
1
Press the FUNCTION selector so that the display indicates
(FAN).
Press the
(HI)
(MED)
2
(LOW)
(SILENT) : Fan speed ultra slower.
START
Press the
beep. Press the button again to stop operation.
STOP
..... When the AUTO fan speed mode is set in the cooling/heating operation:
FAN SPEED (AUTO)
The fan speed will automatically change according to the temperature of
discharged air.
When the difference of room temperature and setting temperature is large,
For the heating operation
fan starts to run at HI speed.
When the room temperature reaches setting temperature, fan speed changes
to LOW automatically.
When the difference of room temperature and setting temperature is large,
fan starts to run at HI speed.
For the cooling operation
After room temperature reaches the preset temperature, the cooling operation,
which changes the fan speed and room temperature to obtain optimum
conditions for natural healthful cooling will be performed.
EXTENDED AIRFLOW
During operations, press the button to select the various operating modes
that will set the preferred air flow direction and will also adjust the air flow speed
to reach the furthest distance within its range. (During the cooling operating mode,
the air flow direction and air flow speed will return to their original settings after 3
hours of operations).
If the (EXTENDED AIRFLOW) button is pressed while the AUTO SWING
mode is set, the AUTO SWING mode is cancelled and the EXTENDED AIRFLOW
mode is set.
If the (AUTO SWING) button is pressed while the EXTENDED AIRFLOW
mode is set, the EXTENDED AIRFLOW mode is cancelled and the AUTO
SWING mode is set.
If the (EXTENDED AIRFLOW) button is pressed when the horizontal air
deflector stops at your preferred angle, the deflector will change to EXTENDED
AIRFLOW.
As the angle of the horizontal air deflector changes, the air may blow directly
onto the body.
During stop operation, press the button will activate dry function for several
minutes to protect the heat-excharge of indoor unit from mold and bad odour.
(FAN SPEED) button.
: The strongest air blow.
: Fan speed slow.
: Fan speed slower.
(START/STOP) button. Fan operation starts with a
– 9 –
AIR PURIFYING OPERATION
Use this function for clean and comfortable air.
Press the
Operation start with the display indicates
1
operation.
The indoor unit will generate a negatively-charged ion to
capture the finest and microscopic dust.
2
Press the
button.
at any mode of
button again to cancell the air purifying operation.
– 10 –