Select fan level
With connected heating / air conditioning system
– Select icon in menu bar (3) with rotary push button.
– Change to the setting level by tapping on the rotary push
button.
– Select desired fan level with rotary push button.
– Tap the rotary push button to confirm the value.
a
b
2
Heater (HEATER)
Icon
Operating
mode
–
OFF
a
VENT
1
b
ECO
c
HIGH
2
d
BOOST
3
c
d
e
f
3
Description
Fan is switched off.
(only selectable if no appliance
is in operation).
Circulated air, when no appliance
is in operation and the hot
water generator is switched off.
10 speed settings available.
Low fan level
High fan level
Rapid room heating
Available if the difference be-
tween the selected and actual
room temperature is >10 °C
As soon as the heater is switched on (room temperature,
hot water level selected) the status bar (2) displays the
fan level that was selected during the previous heating pro-
cedure. The factory setting is "ECO".
Air conditioning system (AC)
Icon
Operating
mode
–
OFF
a
–
b
LOW
c
MID
d
HIGH
e
NIGHT
f
AUTO
Automatic climate control (AUTO)
Not possible to select the fan level with the automatic climate
control.
– The fan level of the air conditioning system is determined
automatically.
– Only "ECO" is available for heaters.
Can lead to increased motor wear depending on frequency of use.
1
Fan level "HIGH" results in higher power consumption, higher
2
noise level and increased motor wear.
Not available with Combi Diesel.
3
Description
Fan is switched off
(only selectable if no appliance
is in operation).
–
Low fan level
Medium fan level
High fan level
Ultra-quiet fan operation
Automatic fan level selection. Can-
not be changed in AUTO mode.
31