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 of the electric type (e.g. 3x1.5 mm²) supplies the transformer with 230Vac.
The second one, necessarily of the
SHIELDED
type (e.g. Nx0.22 mm² minimum) to transfer all the
output signals of the individual columns, to the alarm control unit, in addition to the synchronism
connection between the columns, otherwise made with dedicated cable but always shielded.
N.B.The shielding of this cable must be connected to the negative of 13.8 Vdc of all the columns.
MANA DT SMA
230Vac mains cable
(power supply)
Sync cable + various signals