5 Operation
Operation manual
9
ATXM20~3 ATXM5 ATXM20~35R5V1B
Daikin room air conditioner
3P485919-12S – 2020.06
INFORMATION
▪ Powerful and Econo operation CANNOT be used at the
same time. The last selected function takes priority.
▪ Econo operation reduces power consumption of the
outdoor unit by limiting the rotation speed of the
compressor. If power consumption is already low,
Econo operation will NOT further reduce power
consumption.
5.7.2
Outdoor unit quiet operation
Use Outdoor unit quiet operation when you want to decrease the
noise level of the outdoor unit.
Example:
At night.
INFORMATION
▪ Powerful and Outdoor unit quiet operation CANNOT be
used at the same time. The last selected function takes
priority.
▪ This function is only available in Automatic, Cooling,
and Heating operation.
▪ Outdoor unit quiet operation limits the rotation speed of
the compressor. If the rotation speed of compressor is
already low, Outdoor unit quiet operation will NOT
further reduce the compressor rotation speed.
5.7.3
To start/stop Econo and Outdoor unit
quiet operation
1
Press
one or more times.
Result:
The setting will change as follows.
Display
Operation
Econo
Outdoor unit quiet
+
Econo and Outdoor unit quiet
—
Both deactivated
2
To stop operation, press
until both symbols disappear
from the LCD.
Note:
Econo operation can be only set when the unit is running.
Pressing
cancels the setting and
disappears from the LCD.
Note:
remains on the LCD, even if you turn off the unit using
the user interface or indoor unit ON/OFF switch.
5.8
Flash Streamer (air cleaning)
operation
Streamer generates a high-speed electron stream with a high
oxidizing power, reducing bad odours. Together with the titanium
apatite deodorising filter, silver allergen removal air purifying filter
and the air filters, this function cleans the air in the room.
INFORMATION
▪ The high-speed electrons are generated and go away
inside the unit to ensure safe operation.
▪ The Streamer discharge may generate a fizzing sound.
▪ If the airflow becomes weak, the Streamer discharge
may stop temporarily to prevent ozone smell.
5.8.1
To start/stop Flash Streamer (air cleaning)
operation
Prerequisite:
Make sure the unit is operating (
is displayed on
the user interface LCD).
1
Press
.
Result:
is displayed on the LCD and the air in the room is
cleaned when the unit is operating.
2
To stop operation, press
.
Result:
disappears from the LCD and operation stops.
5.9
OFF/ON timer operation
Timer functions are useful for automatically switching the air
conditioner off/on at night or in the morning. You can also use OFF
timer and ON timer in combination.
INFORMATION
Program the timer again in case of:
▪ A breaker has turned the unit off.
▪ A power failure.
▪ After replacing batteries in the user interface.
INFORMATION
The clock MUST be set correctly before using any timer
functions. Refer to
5.9.1
To start/stop OFF timer operation
1
Press
to start.
Result:
is displayed on the LCD and
blinks. and
the day of the week disappear from the LCD.
2
Press
or
to change the time setting.
3
Press
again.
Result:
and the set time are displayed on the LCD.
Result:
The timer lamp lights up.
INFORMATION
Each time
or
is pressed, the time setting
advances by 10 minutes. Holding the button down will
change the setting rapidly.
4
To stop operation, press
.
Result:
and
disappear from the LCD and the timer
lamp goes off. and the day of the week are displayed on the LCD.
INFORMATION
When you set the ON/OFF timer, the time setting is stored
in the memory. The memory will be reset when the user
interface batteries are replaced.
Use of night set mode in combination with OFF timer
The air conditioner automatically adjusts the temperature
setting (0.5°C up in cooling, 2.0°C down in heating) to
prevent
excessive
cooling/heating
and
ensure
a
comfortable sleeping temperature.
5.9.2
To start/stop ON timer operation
1
Press
to start.
