17 Slimline Series
Pressing the Power button once will place the thermostat in frost protect mode. In
this mode, the thermostat will display the frost icon and will only turn the heating
on should the room temperature drop below the set frost temperature (see page 19).
Should the heating be turned on whilst in frost mode, the flame icon will be displayed.
To cancel the frost protect mode, press the Power button once again.
Frost Protection Mode Enabled
Frost Mode