Wiring The Model 121A (24 Vdc); Wiring The Model 121S (120 Vac) - Federal Signal Vitalite 121A Instrucciones De Instalación Y Mantenimiento

4. Place the light on the gasket and attach the light to the
mounting surface using the provided #8-32 screws.

Wiring the Model 121A (24 Vdc)

SHOCK HAZARD—To avoid electrical shock hazards, do not
connect wires while power is applied.
REVERSE POLARITY/MISWIRING—The 121A is polarity
sensitive and MAY BE DAMAGED by incorrect electrical hookup.
Damage will result if the voltage rating of the particular model is
exceeded.
The Model 121A direct current unit is supplied with two leads (one
red and one black).
To wire the light:
1. Connect the red (+) lead to the positive power-source
terminal.
2. Connect he black (-) to the negative power-source terminal.
3.
Test the light for proper operation.

Wiring the Model 121S (120 Vac)

SHOCK HAZARD—To avoid electrical shock hazards, do not
connect wires while power is applied.
The 120 Vac units are designed to operate on both 50 Hz and
60 Hz electrical power. Special modifications are NOT required
for the two different AC line frequencies.
The Model 121S alternating current units are supplied with three
leads (one black, one white, and one green/yellow).
Models 121A and 121S Vitalite
Installation and Maintenance Instructions
Rotating Light
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