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Quick reference
10 Quick reference
Startup
Turning space heating ON
4
3
2
1
Heating control
Set outdoor reset heating
control unit to the relevant
heating curve and operating
mode or set room thermostat to
the desired temperature.
Key pad lock
3
4
2
5
1
6
max
reset
eco
3
4
e
5
2
1
6
6
max
min
max
6 720 641 933-53.1O
reset
eco
4
3
e
2
6
1
max
min
6 720 641 933-83.1O
DHW temperature
DANGER: Danger of
scalding!
B In normal
operation, it is
recommended to
limit the DHW
temperature to
122 °F (50 °C) to
limit the risk of
scalding.
3
4
2
5
1
6
max
ECO button lit – Economy mode.
ECO button not lit – Comfort
mode.
Frost protection
3
5
2
1
6
max
6 720 644 013 (2011/02)
reset
eco
4
3
e
2
1
6
max
6 720 641 933-55.1O
reset
eco
4
3
e
2
6
1
min
max
6 720 641 933-68.1O