Hitachi RAS-10G5 Instruction Manual page 11

HOW TO SET THE SLEEP TIMER
Press the (SLEEP) button, and the display changes as shown below.
SLEEP
Explanation of the sleep timer
The device will control the FAN SPEED and room temperature automatically
so as to be quiet and good for people's health.
You can set the sleep timer to turn off after 1, 2, 3 or 7 hours. The FAN
SPEED and room temperature will be controlled as shown below.
Operation with the sleep timer
Function
Cooling
" "
and
dehumidifying
" "
Mode
Sleep timer
Sleep Timer: The device will continue working for the designated
number of hours and then turn off.
Point the signal window of the remote controller toward the indoor
unit, and press the SLEEP button.
The timer information will be displayed on the remote controller.
The TIMER lamp lights with a beep from the indoor unit.
The room temperature will
be controlled 2°C above the
setting temperature and the
FAN SPEED will be set to LOW
setting 1 hour after the setting
of the sleep timer.
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Indication
1 hour 2 hours 3 hours
Sleep timer off
Operation
Sleep
timer set
2 hours
later
1 hour later
7 hours
7 hours later
3 hours later