golmar Vista Nexa Manuel D'installation page 116

INSTALLATION
F
loor distribution with D4L-R5 distributor.
istribution: We will situate one or more
D
D4L-R5 video distributors on each floor
(one for each 4 monitors). We will cut all the
independent call lines coming from the door
panel (currently connected to ground) and
we will connect them to the distributor's
ground. The number of independent call
lines remaining on that floor will be equal to
the number of apartments, the rest will
continue to the following floor. We must
connect the ones that remain to the ground
of each of the 4 distributed outputs
(SPL.OUT) of the D4L-R5, the rest will be
joined and connected to the distributor
output. We will do the same with the 4
common terminals, as shown in
drawings.
To the
apartment
To the
apartment
partments: We will disconnect the telephone and connect the monitor following the
A
corresponding instructions indicated for the door panel. If a parallel monitor is needed then an
additional power supply must be installed on that floor (see page 125), however if the parallel unit
to be installed is a telephone or call repeater, then additional power is unnecessary. Only one
additional unit per apartment can be installed. The maximum number of terminals in total is 200
(including parallel units).
IMPORTANT: We must be sure that in the apartments there are no relays, call repeaters or
parallel telephones left over from the previous installation, otherwise serious damage
could be caused to the new system or even to the apartment (they could burn).
To the
apartment
To the
apartment
Common wires
the
After the change
To the next floor
JP1
D4L-R5
VD1+
VD1-
OUTPUT
_
+
CN2
D/A
VD2+
CN1
VD2-
_
INPUT
+
D/A
To the door panel
Before the change
To the next floor
To the door panel
D/A
To the
apartment
VD4-
VD4+
D/A
To the
apartment
VD3-
VD3+
115
To the
apartment
To the
apartment
Independent wires