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Press .
Using
or , adjust the
temperature and then press .
Using or , navigate to
Hot Water submenu and press .
The text bar indicates that hot water
is in operation.
The thermostat will return to the
main screen. Press any button.
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3.4 OpenTherm - Hot Water conguration
RT520 can be congured in Hot Water OPENTHERM system. To congure it follow steps below:
4. User settings
4.1 Manual mode
In manual mode, the thermostat maintains a constant temperature set by the user. To exit mode, press and hold button for 3 seconds. A hand icon
is displayed when manual mode is active.
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Press button.
A hand icon will appear, which means
that thermostat is in manual mode.
To set temperature use
or button.
Confirm your choice using
button.
Thermostat will maintain the
temperature until manual change or
manual mode exit (press and hold
button for 3 seconds).
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