11 Operating
Instructions
Quick Reference
Switching on
Switching the central heating on
Controlling the central heating
Set room thermostat to desired tem-
perature or the outside-temperature
control unit to the appropriate setting.
Hot water temperature
“ECO”-button lit –
Economy mode.
“ECO”-button not lit –
Comfort mode
Hot water only
Fault Condition
If the button flashes, press and
hold-in to reset the appliance. Refer
to page 18.
Switching off
6 720 610 333-04.1O
6 720 610 333-05.1O
6 720 610 333-07.1O
6 720 610 333-09.1O
6 720 610 333-11.1O
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