NGS FORTRESS series Handbuch Seite 2

USER'S MANUAL
SAVE THESE INSTRUCTIONS
This manual contains important safety instructions. Please
follow all instructions carefully during installation. Read this
manual thoroughly before attempting to unpack, install or
operate.
To prevent the risk of fire or electric shock,
CAUTION
install in a temperature and humidity controlled
indoor area, free of conductive contaminants.
CAUTION Risk of electric shock, do not remove the cover.
No user serviceable parts. Refer servicing to
qualified service personnel.
CAUTION Risk of electric shock, hazardous live parts
inside this UPS can be energized from the
battery supply even when the input AC power
is disconnected.
Risk of electric shock, Battery Circuit is not
CAUTION
isolated from AC input; hazardous voltage may
exist between battery terminals and ground.
Test before touching.
This is a Class A-UPS Product. In a domestic
WARNING
environment, this product may cause radio
interference, in which case, the user may be
required to take additional measures.
NOTICE The UPS is designed to be for use with
computer loads only.
NOTICE To prevent injury, do not carry with the handle
of front cover when moving the UPS.
2
REmARkS AbOUT SAFETy
In order to keep safe in using the UPS, please comply with the
following:
• Please charge the battery at least 12 hours before the UPS is
in operation.
• After the battery is discharged or over three months withou
t operar ion, t he ba ttery should be charged immediately for
at least 12 hours, ensuring the battery is full and avoiding any
unnecessary damage of the battery.
• When AC fails and the ON button on the front panel is pressed,
the UPS will output voltage; if the OFF button on the front
panel is pressed, the UPS will not output voltage.