Njoy Aten PRO Series User Manual page 5

the inside of the UPS system.
Maintenance, service and faults
•
The UPS system operates with hazardous voltages.
Repairs may be carried out only by qualified
maintenance personnel.
•
Caution - risk of electric shock. Even after the unit is
disconnected from the mains (building wiring outlet),
components inside the UPS system are still connected
to the battery and electrically live and dangerous.
•
Before carrying out any kind of service and/or
maintenance, disconnect the batteries and verify that
no current is present and no hazardous voltage exists
in the terminals of high capability capacitor such as
BUS-capacitors.
•
Only persons are adequately familiar with batteries
and with the required precautionary measures
may replace batteries and supervise operations.
Unauthorized persons must be kept well away from
the batteries.
•
Caution - risk of electric shock. The battery circuit
is not isolated from the input voltage. Hazardous
voltages may occur between the battery terminals
and the ground. Before touching, please verify that no
voltage is present!
•
Batteries may cause electric shock and have a high
short-circuit current. Please take the precautionary
measures specified in this manual and any other
measures necessary when working with batteries:
remove wristwatches, rings and other metal objects,
use only tools with insulated grips and handles.
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•
When changing batteries, install the same number
and same type of batteries.
•
Do not attempt to dispose of batteries by burning
them. This could cause battery explosion.
•
Do not open or destroy batteries. Escaping electrolyte
can cause injury to the skin and eyes. It may be toxic.
•
Please replace the fuse only with the same type and
amperage in order to avoid fire hazards.
•
Do not dismantle the UPS system.
•
WARNING!
This is a category C2 UPS product. In a residential
environment, this product
interference, in which case the user may be required to
take additional measures. (only for 220/230/240 VAC
system).
4 Installation
The UPS can protect your equipment from all
power problems such as surges, spikes, blackouts,
brownouts and line noise. When AC power is present
and the ON/Mute switch is turned ON, the UPS will
provide pure and stable AC power to the output. The
UPS will also charge the battery in the on-line mode.
The UPS is simple to install and operate. Please
read the following steps before connecting any
equipments to this UPS:
may cause radio
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