aterno Opti-Plus 5D Handbuch Seite 34

8.2 - Simple thermostat mode
The unit displays only the temperature setting.
From this mode, press
(5 to 30°C). To return to Automatic mode, press the
again.
8.3 - Frost Protection mode
8.4 - Shutdown mode
To stop the heating outside of the
heating season. From the Automatic
mode or Simple thermostat mode, press
the button,
From the Frost Protection mode, press the
twice. The unit shows 3 dashes. To return to Automatic
mode or to Simple thermostat mode, press the
button again.
Default setting:
Simple thermostat setting = 19°C.
From Automatic mode, you can switch to
simple thermostat mode by pressing the
button.
or
To avoid the risk of the installation freezing
during a prolonged absence.
Press the
5 seconds to switch to Frost Protection mode.
To return to Automatic mode or to simple
thermostat mode, press
34
to set the temperature
button for approximately
button
again.
button