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• WARNING: This is a category C2 UPS product. In a residenal
environment, this product may cause radio interference, in which
case the user may be required to take addional measures.
Maintenance, service and faults
• The UPS system operates with hazardous voltages. Repairs may be
carried out only by qualied maintenance personnel.
• Cauon - risk of electric shock. Even aer the unit is disconnected
from the mains (building wiring outlet), components inside the UPS
system are sll connected to the baery and electrically live and
dangerous.
• Before carrying out any kind of service and/or maintenance,
disconnect the baeries 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 baeries and with the
required precauonary measures may replace baeries and supervise
operaons. Unauthorized persons must be kept well away from the
baeries.
• Cauon - risk of electric shock. The baery circuit is not isolated
from the input voltage. Hazardous voltages may occur between the
baery terminals and the ground. Before touching, please verify that
no voltage is present!
• Baeries may cause electric shock and have a high short-circuit
current. Please take the precauonary measures specied in this
manual and any other measures necessary when working with
baeries: remove wristwatches, rings and other metal objects, use
only tools with insulated grips and handles.
• When changing baeries, install the same number and same type of
baeries.
• Do not aempt to dispose of baeries by burning them. This could
cause baery explosion.
• Do not open or destroy baeries. 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 re hazards.
• Do not dismantle the UPS system.