- 54 -
INST
ALLA
TION
INSTALLATION
Fig. 6.26
C.h. external
pump
External Probe
Electric
power supply
Remote
The route of the external probe's connec-
tion wires must follow the route indicated in
Fig. 6.17 .
Allow the cables to exit the boiler by using
the relevant cable clamps Q ( Fig. 6.18 ).
6.15 Remote electric connection
(optional)
Use the clamps indicated in
Fig. 6.26
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. 6.26 .
The route of the remote control cable must
follow the route indicated in Fig. 6.17 .
Allow the cables to exit the boiler by using
the relevant cable clamps Q ( Fig. 6.18 ).
6.13 Installation of the external
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.
6.14 Electric connection between
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. 6.26
to
connect the external probe.
Summary of Contents for Activ A 120V
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