User Guide

Operation | 21
6 720 806 993 (2013/03)
Greenstar
Frost protection of the DHW tank:
▶ Turn the DHW thermostat counterclockwise to min (59 °F (15 °C)).
Fig. 11
4.9 Activating the key pad lock
The key pad lock affects the supply temperature dial, the DHW thermostat, the
service button and the ECO button.
Activating the key pad lock:
▶ Press the key pad lock button until and the heating supply temperature are
alternating on the display.
Fig. 12
Unlocking the key pad:
▶ Press the key pad lock button until the display shows only the supply
temperature.
max
1
2
3
e
6
max
1
2
34
5
6
eco
reset
min
6 720 641 933-69.1O
max
1
2
34
5
6
max
1
2
3
4
e
6
eco
reset
6 720 641 933-83.1O
min