5 Energy saving and optimum operation
Operation manual
7
FTXF20~3 FTXF20~25B5V1B
Daikin room air conditioner
3P520336-3E – 2019.09
4.3.6
Econo operation
This is a function which enables efficient operation by limiting the
maximum power consumption value. This function is useful for cases
in which attention should be paid to ensure a circuit breaker will not
trip when the product runs alongside other appliances.
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.
To start/stop Econo operation
1
Press
to start.
Result:
is displayed on the LCD.
2
Press
to stop.
Result:
disappears from the LCD.
a
A
B
b
c
d
A
Running current and power consumption
B
Time
a
Maximum during normal operation
b
Maximum during Econo operation
c
Normal operation
d
Econo operation
▪ The diagram can be used for illustrative purposes only.
▪ The maximum running current and power consumption of the air
conditioner in Econo operation varies with the connected outdoor
unit.
4.3.7
OFF/ON timer operation
Timer functions are useful for automatically switching the air
conditioner on/off 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.
To start/stop ON timer operation
1
Press
to start.
Result:
is displayed on the LCD and the timer lamp lights
up.
INFORMATION
Each time
is pressed, the time setting advances by
1 hour. The timer can be set between 1 to 12 hours.
2
Press
to stop.
Result:
disappears from the LCD and the timer lamp
goes off.
To start/stop OFF timer operation
1
Press
to start.
Result:
is displayed on the LCD and the timer lamp lights
up.
INFORMATION
Each time
is pressed, the time setting advances by
1 hour. The timer can be set between 1 to 9 hours.
2
Press
to stop.
Result:
disappears from the LCD and the timer lamp
goes off.
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.
To combine OFF timer and ON timer
1
To set the timers, refer to
"To start/stop ON timer operation"
Result:
and
are displayed on the LCD.
2
Example of what is displayed on the LCD if you combine the 2
timers:
5
Energy saving and optimum
operation
INFORMATION
▪ Even if the unit is turned OFF, it consumes electricity.
▪ When the power turns back on after a power break, the
previously selected mode will be resumed.
CAUTION
NEVER expose little children, plants or animals directly to
the airflow.
WARNING
Do NOT place objects below the indoor and/or outdoor unit
that may get wet. Otherwise condensation on the unit or
refrigerant pipes, air filter dirt or drain blockage may cause
dripping, and objects under the unit may get dirty or
damaged.
NOTICE
Do NOT use the system for other purposes. In order to
avoid any quality deterioration, do NOT use the unit for
cooling precision instruments, food, plants, animals, or
works of art.
