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INST
ALL
ATION
INSTALLATION
• Turn the control panel
O
, as shown in Figure
5.23.
• Unscrew the screw
P
and lift the cover
Q
to ac-
cess the electric power supply terminal block,
remote and external sensor (Figure 5.23).
Figure 5.23
O
P
Q
Connecting to the electric power supply grid
• Connect the electric power supply cable to the
all-pole switch, respecting the correspondence
of the power line (brown wire) and the neutral
(blue wire) Figure 5.24.
• Connect the earth wire (yellow/green) to an
effective earthing system.
Figure 5.24
Electric power
supply
The earth wire must be longer than
the electric power wires.
The electric power supply cable or wire for the
unit (type: H03VV-F) must have a minimum cross
section of 0.75 mm
2
, be kept away from hot or
sharp parts and comply with current technical
standards.
Make the boiler cable exit using specific cable
glands
R
(Figure 5.27).
5.13 Connecting a room thermostat or
zone valves
Use the terminals indicated in Figure 5.25 to con-
nect the ambient thermostat.
The installation of the ambient thermostat ex-
cludes the installation of the remote control.
When connecting any type of room thermo-
stat, the electric jumper between “A and B”
must be removed.
The electrical conductors for the room thermo-
stat must be inserted between terminals “A and
B” as shown in Figure 5.25.
Do not connect live cables to the “A
and B” terminals.
