- 52 -
INST
ALLA
TION
INSTALLATION
Installation of the external
6.12
temperature probe (optional)
The external probe must be installed on the
external wall of the building avoiding:
Direct radiation of solar rays.
•
Humid walls or walls subject to the forma-
•
tion of mildew.
Installation near to fans, drain outlets or
•
chimneys.
Electric connection between
6.13
the boiler and the external
probe
To connect the external probe to the boiler
use electric cables with a section no less
than 0.50 mm
2
.
The electric cables for connecting the
external probe to the boiler must cover
different channels to the voltage ones
(230 V), since they are powered at a safe-
ty low voltage and their maximum length
must not exceed 20 meters.
Use the clamps indicated in
Fig. 6.25
to
connect the external probe.
Fig. 6.25
Ambient
thermostat
External
Probe
Electric
power supply
Remote
The route of the external probe's connection
wires must follow the route indicated in Fig.
6.17 .
Allow the cables to exit the boiler by using
the relevant cable clamps Y ( Fig. 6.18 ).
Remote electric connection
6.14
(optional)
Use the clamps indicated in
Fig. 6.25
to
connect the remote.
To connect the remote control to the boiler,
refer also to the REMOTE CONTROL book-
let.
Do not remove the electric jumper con-
nected on the ambient thermostat termi-
nal block between “1 and 3” Fig. 6.25 .