Operation Manual

Built-in devices
10-6
Icon Type of operation Description
- OFF Fan is switched o.
(Can only be used if no device is
being operated.)
a VENT
1)
Air circulation, if no device is being
operated. RPM can be selected in
10 increments.
b ECO Low fan speed
c HIGH
2)
High fan speed
Use the adjusting knob / pushbutton to select the icon in the
menu line
l
.
- Press to switch to the setting mode.
- Use the adjusting knob / pushbutton to select the desired fan speed .
- Press the adjusting knob / pushbutton to conrm the temperature.
Selecting the fan speed
a
b c
d
3
e
As soon as the heating has been switched on (room tempe-
rature and hot water temperature have been activated) the
type of energy selected in the previous heating operation is
displayed in the status line.
Manufacturer's default setting: gas.
Special features in mixed operation
Interrupting the 230V power supply:
The heating system will switch automatically to gas operati-
on. As soon as the 230V power supply has been reinstated,
the heating system will automatically switch back to mixed
operation.
Malfunction in the combustion process (e.g. lack of fuel):
Combi Gas The heating system will switch automatically
to electric operation. If it is running in mixed
operation, the cause of the malfunction must
be eliminated. Use the control panel to switch
the heating o and then on again.