Hitachi RAI-50PPD Service Manual page 47

ECO SLEEP TIMER OPERATION
The timer can be set up to a duration of 7 hours.
By pressing (SLEEP) button during AUTO, HEATING, DEHUMIDIFYING, COOLING or FAN operation,
the unit shifts the room temperature and reduces the fan speed. It results in energy saving.
Set the current time fi rst before operating the ECO SLEEP TIMER operation.
■ To start ECO SLEEP TIMER operation
Press (SLEEP) button during operation.
● " ", "
of hour are displayed on the remote controller display.
● During ECO SLEEP TIMER operation, fan speed will be ultra
slow.
● A beep sound emitted from indoor unit and the (TIMER) lamp
1
on the indoor unit lights up.
Pressing
will change as below:
1 H
● During ECO SLEEP TIMER operation, air conditioner will
continue to operate for the designated number of hours and
then turn off.
●
When the ECO SLEEP TIMER has been set, the display on
the remote controller indicates the turn off time.
■ To cancel ECO SLEEP TIMER operation
Press (START/STOP) button.
●
Room air conditioner will switch off.
Press (SLEEP) button again until "
off time, " " and number of hour disappear from the remote
controller display.
Press (CANCEL) button.
● A beep sound emitted from indoor unit and the (TIMER) lamp
on the indoor unit turns off.
● SLEEP TIMER operation is cancelled.
46
", " ", "OFF", off time, "
(SLEEP) button repeatedly, the number of hours
2 H 3 H
SLEEP TIMER off
Example: If ECO SLEEP TIMER is
set for 1 hour at 18:00, the switch
off time will be at 19:00.
" and number
7 H
", " ", " ",