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6
OPERATION
Preparation Before Operation
Tips for saving energy
•
Be careful not to cool (heat) the room too much.
Keeping the temperature setting at a moderate level helps save energy.
•
Cover windows with a blind or a curtain.
Blocking sunlight and air from outdoors increases the cooling (heating) effect.
Recommended temperature setting
For cooling
26 to 28 °C
For heating
20 to 24 °C
Operation range
If the temperature or the humidity is beyond the following conditions, safety devices may work and the air conditioner may
not operate, or sometimes, water may drop from the indoor unit.
Cooling
INDOOR
OUTDOOR
TEMPERATURE
TEMPERATURE
HUMIDITY
DB
21 to 32 °C
80% or below
(Long time operation in a humidity
over 80% may cause condensation
on the unit and dripping.)
DB
–5 to 46 °C
WB
14 to 25 °C
DB: Dry bulb temperature WB: Wet bulb temperature
The setting temperature range of the remote controller is 16°C to 32°C.
Heating
INDOOR
TEMPERATURE
OUTDOOR
TEMPERATURE
DB
15 to 27 °C
DB
–20 to 21 °C**
WB –20 to 15.5 °C**
** –20~–15°CWB: Range for operation
–15~15.5°CWB: Range for continuous
operation
Useful Information
Observe the following precautions to ensure the system operates properly.
• Set the room temperature appropriately.
Take care not to cool or heat the room excessively.
Adjust the temperature so that everyone in the room is comfortable.
26-28°C
during
cooling
20-24°C
during
heating
• Ventilate the room from time to time.
Be sure to ventilate the room after using the air conditioner for a long time.
• Do not leave the door or window open.
The air will be released, and the effect of cooling/heating will be reduced.
• Do not allow direct sunshine to enter the room during
the cooling operation.
Hang a curtain or blind to the window to prevent direct sunshine.
• Keep televisions, radios or stereo equipment at least
1 meter from the indoor unit or remote controller.
Otherwise, picture
disturbance or noise may
result.
• Use flow direction adjustment skillfully.
Cold air collects toward the floor and hot air collects toward
the ceiling. Therefore, for cooling, set the airflow horizontally,
and for heating, set the airflow downward. Also, set the
airflow so that it does not blow directly on your body.
• Turn off the power when the air conditioner is not
used for a long time.
With the power on, the air conditioner will consume several to
several tends of watts of power (*1)
OFF
NOTE
*1 The power consumption while the equipment is stopped
varies with the type of outdoor unit, etc. Consult your dealer
for further details on power consumption.
• Do not use and room heater under the indoor unit.
Heat may deform the indoor unit of suction grille.
•
Do not place things near the air outlet or air inlet.
Such obstacles may lower the performance of the air
conditioner or make it stop.
• When the display shows “
” (TIME TO CLEAN
AIR FILTER), refer to the instruction manual of the
indoor unit, and clean the air filter.
• Use timer operation effectively.
It takes time for the room temperature to reach the
set temperature. Therefore, use timer operation to
start the air conditioner ahead of time.
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