Safety Message To Maintenance Personnel - Federal Signal 224XST Instrucciones De Servicio

2. DC Models.
The DC units are polarity sensitive, and MAY BE DAMAGED by incorrect
electrical hookup. When connecting the DC strobe unit to the voltage supply
lines, POLARITY MUST BE OBSERVED. In addition, damage will result if
the voltage rating of the model is exceeded.
two black and one green/yellow. To achieve electrical supervision, connect one red (+)
lead to the positive side of the incoming power source and the other red (+) lead to
the outgoing power source. Then connect one black (-) lead to the negative side of the
incoming power source and the other black (-) lead to the negative side of the outgoing
power source. If required local building codes, connect the earth ground to the ground-
ing screw located in the mounting hood.
leads; one red, one black and one green/yellow. Connect one red (+) lead to the positive
side (+) power source terminal and the black (-) lead to the outgoing power source.
Then connect one black (-) lead to the negative (-) power source terminal. If required
local building codes, connect the earth ground to the grounding screw located in the
mounting hood.
III. MAINTENANCE.
To prevent receiving an electrical shock, disconnect the fixture from the sup-
ply circuit before opening. High voltages are present inside the light assem-
bly. Wait at least 5 minutes after disconnecting power before servicing this
unit.
Listed below are some important safety instructions and precautions you should follow:
• Read and understand all instructions before operating this system.
• Any maintenance to the light system must be done with the power
turned off.
• Any maintenance to the light system must be performed by a trained
electrician in accordance with all applicable national and local codes in
the country of use.
• Never alter the unit in any manner. Safety of the unit may be compro-
mised if additional openings or other alterations are made.
• The nameplate should not be obscured, it contains cautionary and/or
other information of importance to maintenance personnel. Ensure the
nameplate remains readable if the housing's exterior is painted.
• If dome is damaged in any way, it MUST be replaced.
• After performing any maintenance, test the light system to ensure that
it is operating properly.
Failure to follow all safety precautions and instructions may result in property
damage, serious injury, or death to you or others.
The Model 224XST DC units are provided with five leads; two red,
The Model 225XST and 225XST-I, DC units are provided with three

SAFETY MESSAGE TO MAINTENANCE PERSONNEL

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