4 Operation
Operation manual
4
FTXM20~71N2V1B
Daikin room air conditioner
3P485919-8K – 2018.09
3.2
To fix the user interface to the wall
c
b
a
2×
a
User interface
b
Screws (field supply)
c
User interface holder
1
Choose a place where the signals reach the unit.
2
Attach the holder with screws to the wall or a similar location.
3
Hang the user interface on the user interface holder.
3.3
To set the clock
Note:
If the time is NOT set,
, , and
blink.
1
Press
.
Result:
and blink
2
Press
or
to set the current day of the week.
Note:
Holding down
or
increases or decreases the time
setting rapidly.
3
Press
.
Result:
blinks.
4
Press
or
to set the correct time.
5
Press
.
Result:
Setting is complete. blinks.
3.4
Brightness of the indoor unit
display
Adjust the brightness of the indoor unit display as desired, or turn
OFF the display.
3.4.1
To set the brightness of the indoor unit
display
1
Keep pressed
for at least 2 seconds every time you need to
change the setting.
Result:
Brightness will be changed in order: high, low, off.
3.5
To turn on the power supply
1
Turn the circuit breaker on.
Result:
The flap of the indoor unit will open and close to set the
reference position.
4
Operation
4.1
Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
In combination with outdoor unit RZAG
Cooling and
drying
(a)
Heating
(a)
Outdoor temperature
–20~52°C DB
–20~24°C DB
–21~18°C WB
Indoor temperature
17~38°C DB
12~28°C WB
10~27°C DB
Indoor humidity
≤80%
(b)
—
In combination with outdoor units: RXM71N, 2MXM, 3MXM,
4MXM, 5MXM
Cooling and
drying
(a)
Heating
(a)
Outdoor temperature
–10~46°C DB
–15~24°C DB
–15~18°C WB
Indoor temperature
18~37°C DB
14~28°C WB
10~30°C DB
Indoor humidity
≤80%
(b)
—
In combination with other outdoor units
Cooling and
drying
(a)
Heating
(a)
Outdoor temperature
–10~50°C DB
–20~24°C DB
–21~18°C WB
Indoor temperature
18~37°C DB
14~28°C WB
10~30°C DB
Indoor humidity
≤80%
(b)
—
If operated outside the operation range:
(a)
A safety device might stop the operation of the system.
(b)
Condensation might occur on the indoor unit and drip.
4.2
Operation mode and temperature
setpoint
When.
Adjust the system operation mode and set the temperature
when you want to:
▪ Heat up or cool down a room
▪ Blow air in a room without heating or cooling
▪ Decrease the humidity in a room
What.
The system operates differently, depending on the user
selection.
INFORMATION
Operation modes:
cooling
,
drying
and
automatic
are
NOT available for the
heating only
version of the product.
