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12.Wiring
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POLITEC | INSTALLATION MANUAL - VER.3.1
12.1 Type of cable
Wiring must be done using two separate cables.
The first electric type (e.g. 3x1.5 mm²) supplies the transformer with 230Vac.
The second, which must be
SHIELDED
(e.g. Nx0.22 mm² minimum), to transfer all the output signals of
the individual columns to the alarm control unit.
N.B.The shielding of this cable must be connected to the negative of 13.8 Vdc of all the columns.
MANA MW
230Vac mains cable
(power supply)
Alarm signal cable