Hitachi airHome 400 Operation Manual page 7

THE IDEAL WAYS OF OPERATION
Suitable Room Temperature
!
Warning
Freezing temperature is bad for health
and a waste of electric power.
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.
Effective Usage Of Timer
At night, please use the "OFF or ON timer or
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.
FOR USER'S INFORMATION
The Air Conditioner And The Heat Source In The Room
!
Caution
If the amount of heat in the room is above the cooling capability of the
air conditioner (for example: more people entering the room, using heating
equipments and etc.), the preset room temperature cannot be achieved.
When the indoor unit is not to be used for a long period of time, please
switch off the power from the mains. If the power from mains remains
"ON", the indoor unit still consumes about 3W in the operation control
circuit even if it is in "OFF" mode.
!
Warning
To protect the whole unit during lightning, please stop operating the
unit and remove the plug from the socket.
Interference From Electrical Products
!
Caution
To avoid noise interference, please place the indoor unit and its remote
controller at least 1m away from electrical products.
Do Not Forget To Clean The Pre-Filter
Please Adjust Suitable Temperature
Not Operating For A Long Time
When Lightning Occurs
– 7 –
Install curtain or blinds
It is possible to reduce
heat entering the room
through windows.
Dusty air fi lter will reduce the
air volume and the cooling
effi ciency. To prevent from
wasting electric energy,
please clean the fi lter every
2 weeks.
For Baby And Children
Please pay attention to
the room temperature and
air fl ow direction when
operating the unit for baby,
children and old folks who
have diffi culty in movement.