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• Ensure that the output cables are not longer than 10 meters.
• Keep a clearance of 20 cm around the UPS for airflow. Avoid exposing it to direct sunlight or
installing it near heat emitting appliances.
• Do not place the UPS near equipment that generate strong electromagnetic fields or sensible
to electromagnetic fields.
• The batteries should be recharged every 3 months if the UPS is not used. To do so, connect the
input cord to a grounded mains socket.
• To safeguard the batteries life, the UPS should be used in an environment with a temperature
range between +20°C (+68°F) and +25°C (+77°F).
• The UPS is equipped with an auto-restart system. In case of return of the input mains after the
end of battery operation, the UPS turns on to normal operation by supplying the output loads.
• The UPS is equipped with an automatic backfeed protection system.
• When installing the equipment, ensure that the sum of the leakage current of the UPS and the
connected equipment does not exceed 3.5 mA.
CAUTION
The batteries inside the UPS are not user replaceable. Servicing of batteries must be performed
only by electrical hazard authorized personnel.
A battery can present a risk of electrical shock and burns by high short-circuit circuit current.
Failed batteries can reach temperatures that exceed the burn thresholds for touchable surfaces.
The following precautions should be observed when working on batteries:
a) remove watches, rings or other metal objects.
b) use tools with insulated handles.
c) wear rubber gloves and boots.
d) do not lay tools or metal parts on top of batteries.
e) disconnect the charging source prior to connecting or disconnecting battery terminals.
f ) determine if battery is inadvertently grounded. If inadvertently grounded, remove source from
ground.
Contact with any part of a grounded battery can result in electrical shock. The likelihood of
such shock can be reduced if such grounds are removed during installation and maintenance
(applicable to equipment and remote battery supplies not having a grounded supply circuit).
g) never leave live cable terminals without an insulated protection.
h) When replacing batteries, replace with the same type and number of batteries or battery
packs. There is the risk of explosion if batteries are replaced by an incorrect type.
KEOR SPE TOWER
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