Open Window Function
If you open a window the temperature will drop dramatically. The TRV
closes the valve to save energy. The screen will show the message
“OPEN”, the radiator controller will reopen the valve when the
temperature rises again or after 45 minutes. You can override this by
pressing any button.
Lime Scale Protection
If the valve is not opened completely once within two weeks, the valve
will automatically open and close to ensure that the valve will not seize.
The display will show the message “AdAp”.
Frost Protection
If the temperature drops below 6°C, the radiator controller will open
the valve until the temperature rises above 8°C again. This ensures the
radiator will not freeze.
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