7
English
NOTE
• Do not turn OFF power immediately after the unit
stops. Then, wait no less than 5 minutes.
Water is leaking or there is something else wrong
with the unit.
• After settings are changed or operation is turned
ON/OFF, make sure that the receiving tone of the
indoor unit makes a beeping sound.
■
CHARACTERISTICS OF THE COOLING
OPERATION (COOLING OPERATION AND
AUTOMATIC COOLING OPERATION)
• If the COOLING OPERATION is used when the
indoor temperature is low, frost adheres to the
heat exchanger of the indoor unit. This can
decrease the cooling capacity. In this case, the
system automatically switches to DEFROST
OPERATION for a while.
During DEFROST OPERATION, the low fan
speed is used to prevent the discharge of melt
water. (The remote controller displays the fan
speed that is set.)
• When the outside temperature is high, it takes
some time until the indoor temperature reaches
the set temperature.
■
CHARACTERISTICS OF THE HEATING
OPERATION (HEATING OPERATION AND
AUTOMATIC HEATING OPERATION)
START OF OPERATION
• It generally takes a longer time for indoor temper-
ature of the HEATING OPERATION to reach the
set temperature compared to the COOLING
OPERATION. It is advisable to start operation in
advance using the TIMER OPERATION.
Perform the following operation to prevent heat-
ing capacity decrease and discharge of cool air.
AT THE START OF OPERATION AND AFTER
DEFROST OPERATION
• A warm air circulating system is employed, and
therefore it takes some time until the entire room
is warmed up after the start of operation.
• The indoor fan runs to discharge a gentle wind
automatically until the temperature inside the air
conditioner reaches a certain level. At this time,
the DEFROST OPERATION LAMP on the light
receiving unit indicator lights. Leave it as it stands
and wait for a while.
(The remote controller displays the fan speed that
is set.)
• The air discharge direction becomes horizontal to
prevent a draft of cool air to the inhabitants. (The
remote controller will display the set airflow direc-
tion.)
DEFROST OPERATION (Frost removal oper-
ation for the outdoor unit)
• As the frost on the coil of an outdoor unit increase,
heating effect decreases and the system goes
into the DEFROST OPERATION.
• The warm air stops, and the DEFROST OPERA-
TION LAMP on the light receiving unit turn on.
(The remote controller displays the fan speed that
is set.)
• After maximum 10 minutes of the DEFROST
OPERATION, the air conditioner returns to the
HEATING OPERATION.
• The airflow direction becomes horizontal. (The
remote controller displays the airflow direction
that is set.)
• During or after the DEFROST OPERATION, white
mist comes out from the air inlet or outlet of the air
conditioner.
• A hissing and “Shuh” sound may be heard during
this particular operation.
Regarding outside air temperature and heat-
ing capacity
• The heating capacity of the air conditioner
declines as the outside air temperature falls. In
such a case, use the air conditioner in combina-
tion with other heating systems.
(When a combustion appliance is used, ventilate
the room regularly.)
Do not use the combustion appliance where the air
from the air conditioner is blown directly toward it.
• When the warm air stays under the ceiling and
your feet are cold, we recommend that you use a
circulator (a fan to circulate the air inside the
room). For details, consult your local dealer.
• When the indoor temperature exceeds the set
temperature, the indoor unit discharges a gentle
breeze (switches to gentle wind). The airflow
direction becomes horizontal. (The remote con-
troller displays the fan speed and airflow direction
that are set.)
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