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EN-5
● OPERATING INSTRUCTIONS ●
AUTO mode (Auto changeover)
The unit selects the operation mode according to the difference between the
room temperature and the set temperature. During AUTO mode, the unit
changes mode (COOL↔HEAT) when the room temperature is about 2°C
away from the set temperature for more than 15 minutes.
Note:
During multi system operation, the unit may not be able to switch opera-
tion mode between COOL and HEAT. In this case, the indoor unit be-
comes standby mode (Refer to table of Operation indicator lamp).
COOL mode
Enjoy cool air at your desired temperature.
Note:
Do not operate COOL mode at low outside temperature (less than -10°C).
Water condensed in the unit may drip and wet or damage furniture, etc.
DRY mode
Dehumidify your room. The room may be cooled slightly.
Temperature cannot be set during DRY mode.
HEAT mode
Enjoy warm air at your desired temperature.
FAN mode
Circulate the air in your room.
Temperature cannot be set during FAN mode.
Note:
After COOL/DRY mode operation, it is recommended to operate in the
FAN mode to dry inside the indoor unit.
Operation indicator lamp
Emergency operation
When the remote controller cannot be used...
Emergency operation can be activated by pressing the emergency operation
switch (E.O.SW) on the indoor unit.
Each time the E.O.SW is pressed, the operation changes in
the following order:
Auto restart function
If a power failure occurs or the main power is turned off during operation, “Auto
restart function” automatically starts operation in the same mode as the one set
with the remote controller just before the shutoff of the main power. When timer is
set, timer setting is cancelled and the unit starts operation when power is resumed.
If you do not want to use this function, please consult the service repre-
sentative because the setting of the unit needs to be changed.
SELECTING OPERATION MODES
Set temperature : 24°C
Fan speed : Medium
Horizontal vane : Auto
Emergency COOL
Emergency HEAT
Stop
Note:
The fi rst 30 minutes of operation is test run. Temperature
control does not work, and fan speed is set to High.
1
Press
to start the operation.
2
Press to select operation mode. Each press
changes mode in the following order:
3
Press or to set the temperature.
Each press raises or lowers the temperature by 1°C.
Press
to stop the operation.
(AUTO) (COOL) (DRY) (HEAT) (FAN)
Note:
Operation indicator lamp
The operation indicator lamp shows the operation state of the unit.
Indication Operation state Room temperature
The unit is operating to reach the set
temperature
About 2°C or more away
from set temperature
The room temperature is approach-
ing the set temperature
About 1 to 2°C from set
temperature
Standby mode (Refer to multi system
operation)
—
Lit Blinking
Not lit
Multi system operation
Two or more indoor units can be operated by one outdoor unit. When several
indoor units are operated simultaneously, cooling and heating operations cannot
be done at the same time. When COOL is selected with one unit and HEAT with
another or vice versa, the unit operated later becomes standby mode.
Water may condense when HEAT is operated with other units within 3 hours
after COOL/DRY operation is stopped.
To prevent water condensation, perform HEAT with temperature set to 16°C
for about 30 minutes after COOL/DRY operation.
RG79Y943H01_en-1st.indd 5 2018/01/25 8:35:59
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