User guide

6
 Ensure that no liquid or other foreign objects can enter the
UPS.
 The UPS can be operated by any individual without previous
experience.
2.3 Maintenance, servicing and faults
 The UPS operates with hazardous voltages. Maintenance
should be carried out only by qualified maintenance personnel.
 Caution - risk of electric shock. Even after the unit is
disconnected from the mains power supply (building wiring
terminal), components inside the UPS are still connected to the
battery which have potentially dangerous.
 Before carrying out any kind of service and/or maintenance,
please disconnect the batteries. Verify that no current is
present and no hazardous voltage exist in the capacitor or BUS
capacitor terminals.
 Batteries must be replaced only by qualified personnel.
 Caution – the risk of electric shock. The battery circuit is not
isolated from the input voltage. Hazardous voltage may occur
between the battery terminals and the ground. Verify that no
voltage is present before servicing!
 Batteries have a high short-circuit current and pose a risk of
shock. Take all precautionary measures specified as below and
any other measures necessary when working with batteries:
1) Remove all jewellery, wristwatches, rings and other metal
objects
2) Use only tools with insulated grips and handles.
3) When changing batteries, replace with the same quantity
and the same type of batteries.
4) Do not attempt to dispose of batteries by burning them. It
could cause explosion.