17
120 Series Loudspeakers and Sounder
For AC 4-to-6-Wire Operation
See Figures 6 and 7 on page 15 and the tone chart on page 18.
240 Vac Operation:
1. Set the Voltage Selector to 230 V.
2. Insert the 250 mA fuse,
3. Turn the Tone Selector to the 0 position.
4. Connect the Live wire to the LIVE IN terminal.
5. Connect the Neutral wire to the NEUTRAL IN terminal.
6. Connect the Internal Earth wire to the INTERNAL EARTH ter-
minal.
7. Connect a link between the NEUTRAL OUT and +24V OUT
terminals.
8. In the control panel connect from Neutral return through SE-
LECT LINES. These connections enable you to remotely se-
lect the four basic tones.
9. Connect wires to the T1, T2, T3, and T4 terminals as needed.
110 Vac Operation:
1. Set the Voltage Selector to 110 V.
2. Insert the 500 mA fuse,
3. Turn the Tone Selector to the 0 position.
4. Connect the Live wire to the LIVE IN terminal.
5. Connect the Neutral wire to the NEUTRAL IN terminal.
6. Connect the Internal Earth wire to the INTERNAL EARTH ter-
minal.
7. Connect a link between the NEUTRAL OUT and +24V OUT
terminals.
8. In the control panel connect from Neutral return through SE-
LECT LINES. These connections enable you to remotely se-
lect the four basic tones.
9. Connect wires to the T1, T2, T3, and T4 terminals as needed.