28
EN
5.4. CONNECTION TERMINALS
This accessory has a number of terminals for the serial connection and the electrical power supply (note that this device must
be supplied with a voltage in the range of 100-240V~50/60Hz); in addition to these terminals, the accessory has other reserved
terminals the use of which is not permitted; the table below summarizes the available ports, their use as well as the type of cable
needed to make the connections.
Terminal Usage
Cable to use
Type
Maximum length
Section (mm
2
)
Multi system
(2)
Single system
(3)
L
Power supply
supply
(100-240V~50/60Hz)
Three-pole
cable with
earthing
/ / 3G 1.5mm
2
N
F1
Not
used
// / /
F2
G1
Connection
serial CAN-BUS
Twisted
jacket
(1)
250m 1000m 2x0.75mm
2
G2
(1)
In the event the panel is installed in a room with strong electromagnetic disturbances, a shielded connection cable must be
provided;
(2)
The Multi systems foresee a dedicated serial line to connect all master outdoor units from which to control the indoor units
through the MVASZC panel; this serial line (wired on terminals G1/G2 of the units) must respect the length limit specified in the
table;
(2)
The Single systems foresee a serial line that starts from the outside unit (or from the outside units in the case of multi-module
systems) and arrive at the MVASZC panel after passing through each indoor unit; the total length of these serial lines can be
extended up to 1,500m if a cable (of the same characteristics) with a section of 2x1mm
2
is used;
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