Beretta NOVELLA 31 RAI Installation Manual page 15

- Unscrew the two fixing screws and remove
the protective cover (A) from the casing (fig.
3.2)
- the electrical connection terminals are
located underneath (fig. 3.2)
- connect up the (optional) room thermostat
and/or timer as shown in the electrical wir-
ing diagrams in this manual
Fig. 3.2
- connect up the electrical power supply (fig.
3.3)
Fig. 3.3
- connect up the room thermostat (TA) (fig.
3.4).
b
If a room thermostat is connected,
remove the bridge from terminals 4-5.
b
The contacts of the room thermostat
must be able to function at a voltage of
230 V, 50 Hz.
Fig. 3.4
15