6
OPERATING THE BOILER
6 720 803 600 (2012/06)
3.2 SWITCHING THE BOILER ON/OFF
Switching on
B
Switch on the boiler by pressing the main power button.
The power button light shows blue.
Switching off
B
Switch off the boiler by pressing the main power button.
The blue power button light goes out.
3.3 SETTING THE CENTRAL HEATING TEMPERATURE
B
Turn the central heating temperature control to the desired level, between approx. 35°C and 90°C.
B
When the burner is lit, the green indicator light underneath the
on/off switch is illuminated.
The boiler runs for 15 minutes at minimum heating
output to fill the condensate trap. The display alternates between
and the central heating flow temperature. This occurs every time the
mains supply has been
interrupted.
Position Central heating
temperature
1
approx. 35°C
2
approx. 43°C
3
approx. 50°C
4
approx. 60°C
5
approx. 67°C
6
approx. 75°C
max
approx. 90°C
Table 2 Settings for the central heating temperature
reset
eco
max
1
2
3
4
5
6
max
1
2
3
4
e
6
6 720 614 059-20.1W
o
6 720 614 059-02.1Wo
eco
reset
max
1
2
3
4
e
6
max
1
2
3
4
5
6
min
