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35
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Resetting the Factory Settings
□
Press the
MENU
button.
□
Use the adjusting wheel to select the
menuoption.Confirmbypressing
OK
.
□
flashesinthedisplay,confirmbypress
-
ing the
OK
button.
The settings are returned
to their default factory
values and the device is in
the state it was when
delivered�
Frost Monitoring Function
This function is automatically active. If the
temperature drops below 6 °C, the device
opens the valve long enough for the temper-
ature to increase to over 8 °C. This prevents
the radiator from freezing.