Hitachi RAC-18GH5, Service Manual, Page: 21 / 61

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Cooling
“ ”
and
dehumidifying
“ ”
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.
Function Operation
The settings of room temperature and circulation are varied.
The room temperature will
be controlled 2°C above the
temperature and the FAN
SPEED will be set to LOW
setting 30 minutes after the
setting of the sleep timer.
Fan
“ ”
Heating
“ ”
The room temperature will
be controlled 5°C below the
temperature and the FAN
SPEED will be set to LOW
setting 30 minutes after the
setting of the sleep timer.
Operation with the sleep timer
●
If date or current time is not set, sleep timer can not be set.
●
If you set the sleep timer after the off-, on/off- or off/on-timer has been set, the sleep timer
becomes effective instead of the off-, on/off- or off/on-timer set earlier.
● You can not set other timer during sleep timer operation.
● After sleep timer time is up and when press sleep button again, the sleep timer will be set
as last setting.
●
Sleep timer effective only once.
NOTE