Viessmann Vitopend 100-W - Stopping central heating

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Press the following buttons:
1. MODE repeatedly, until "SEt"
appears on the main dis-
play, together with a flash-
ing symbol for summer
mode (no central heating)
Or
repeatedly, until "SEt"
appears together with a
flashing symbol for
standby mode (frost protec-
tion is active)
2. OK to confirm
Central heating
Stopping central heating
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