10. Built-in devices 157
Special features in electric operation
- If the 230V power supply is interrupted and the 12V supply has
been switched on, an error code will be shown on the display.
- As soon as the 230V power supply has been reinstated, the
heating system will automatically be restarted using the
previous settings. The error code will disappear.
.
Icon
Type of operation
Type of energy
a
Gas
Gas
b
EL 1
Electricity
c
EL 2
Electricity
d
MIX 1
1)
Elect Gas
e
MIX 2
1)
Elect Gas
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 type of energy
- Press the adjusting knob / pushbutton to confirm the temperature.
1)
Mixed operation (electric and mixed operation are optional
extras)
a
b
c
d
3
e
Selecting the type of energy
*
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 operation.
As soon as the 230V power supply has been reinstated, the he-
ating 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 off and then on again.
Summary of Contents for Siesta
Page 1: ...MANUAL Version 10 2015 SIESTA OPTIMA GB ...
Page 8: ...1 Introduction 7 ...
Page 228: ...14 Technical Data Index 227 ...