11
Federal Signal
signaling.fedsig.com
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 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 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 Alt04. 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, and
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.
5.
Secure the cover on the terminal box with the four M4 screws. Ensure that the gasket is properly seated to
maintain IP rating. Do not overtighten the screws.
Selecting the Tone for Ex de Models
All effective warning sounders produce loud sounds, which may cause, in certain situations, permanent hearing loss.
Take appropriate precautions such as hearing protection.
To select the tone for Ex de models:
1.
Unscrew the M3 hex set screw on the side of the housing one full turn.
2.
Remove the cover from the housing by turning the cover counter-clockwise. Three 120-degree spaced reliefs
are provided for a 3/8-inch spanner wrench if needed. If the cover will not unscrew, back out the set screw a few
additional turns.
3.
Loosen the captive Phillips
®
screw retaining the driver/printed circuit board (PCB).
4.
Slide out the PCB and set the tone selector switch to the desired tone.
5.
Insert the driver/PCB into the enclosure, taking care not to pinch the wiring and fully tighten the PCB captive
screw.
6.
Place cover on housing and tighten it by turning it clockwise.
7.
To ensure O-ring compression, the cover must be fully seated against the housing when the threads are tightened.
Turn the M3 set screw on the side of the housing until the screw contacts the housing.
