Hitachi RAS-13EX9G Instruction Manual page 27

THE IDEAL WAYS OF OPERATION
Suitable Room Temperature
Ventilation
Caution
Do not close the room for a long period of time.
Occasionally open the door and windows to allow
the entrance
of fresh air.
Do Not Forget To Clean The Air Filter
Dusty air filter will reduce the air volume and the
cooling efficiency. To prevent from wasting electric
energy, please clean the filter every 2 weeks.
RAS13EX9G_EN(25-40).p65
Warning
Freezing temperature is
bad for health and a waste
of electric power.
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27
Install Curtain Or Blinds
Effective Usage Of Timer
At night, please use the "sleep timer operation mode",
together with your wake up time in the morning. This
will enable you to enjoy a comfortable room
temperature. Please use the timer effectively.
Please Adjust Suitable Temperature
For Baby and Children
Please pay attention to the room temperature and air
flow direction when operating the unit for baby,
children and old folks who have difficulty in movement.
(The ideal temperature different
between outdoor and indoor is
about ± 5°C).
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27
3/8/07, 2:46 PM
It is possible to
reduce heat
entering the room
through windows.