Federal Signal G-SND Instructions page 10

220-240 Vac operation (no 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.
120 Vac operation (no 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.
24 Vdc operation (no remote switching of tones)
a. Connect the positive (+) power-source wire to the position marked L1/+ on the terminal block.
b. Connect the negative (–) power-source wire to the terminal block position marked L2/- on the terminal
block.
c. Connect the ground wire to the position marked Alt01 on the terminal block.
220-240 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 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.
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Figure 8 Connections for DC or AC Ex d e sounder
L1/+ L2/- Alt01
L1/+ L2/- Alt01
Alt02 Alt03 Alt04
Alt02 Alt03 Alt04
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