Standby
1. Press the
2. Use the adjusting wheel to select the menu
option. Confi rm by pressing
3. Use the adjusting wheel to select .
4. Confi rm by pressing
onds, the display automatically switches back to
standby mode.
In Step 3, select to switch off standby mode.
Frost Protection Function
This function is automatically active.
If the temperature drops to below 6 °C, the device
opens the radiator valve until the temperature in-
creases again to over 8 °C.
This prevents the radiator from freezing.
Calcifi cation Protection Function
This function is automatically active.
The device performs a calcifi cation protection oper-
ation weekly to prevent calcifi cation of the radiator
valves.
button.
Menu
.
OK
. After approx. 30 sec-
OK
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