11 Operating Instructions Quick Reference
Switching on
Switching the central heating
on
Controlling the central
heating
Set room thermostat to desired
temperature or the outside-tem-
perature control unit to the appro-
priate 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 16.
Switching off
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