24
Installation and Maintenance Instructions
Model G-SND Global Series Sounder
c.
Connect the ground wire to the position marked
Alt01
on the terminal block.
d.
Connect the common wire from remote switching device
to the terminal block position marked
Alt02
.
e.
Connect the tone-select wires from the remote switching
device to the terminal block positions marked
Alt03
and
Alt04
. Please note that only two tones are remotely
selectable on Ex de 220-240 Vac units.
120 Vac operation (remote switching of tones)
a.
Connect the line (hot) power source wire to the position
marked
L1/+
on the terminal block.
b.
Connect the neutral (common) power source wire to the
position marked
L2/-
on the terminal block.
c.
Connect the ground wire to the position marked
Alt01
on
the terminal block.
d.
Connect the common wire from the remote switching
device to the terminal block position marked
Alt02
.
e.
Connect the tone-select wires from the remote switching
device to the terminal block positions marked
Alt03
and
Alt 04
. Please note that only two tones are remotely
selectable on Ex de 120 Vac units.
24 Vdc operation (remote switching of tones with remote power)
a.
Connect the negative (
–
) power source wire to the
position marked
L2/-
on the terminal block.
b.
Connect the positive (
+
) power source/select wires to
the terminal block positions marked
Alt02
,
Alt03
,
Alt04
.
Please note that only three tones are remotely selectable
on Ex de 24 Vdc units.
c.
Connect the ground wire to the position marked
Alt01
on the terminal block.