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the neutral conductor should be provided in the building wiring
installation.
This is permanently connected equipment , it must be installed
by qualified maintenance personnel.
Earth connection is essential before connecting to the building
wiring terminal.
2.2 Operation
Do not disconnect the earth conductor cable from the UPS or
the building wiring terminals in any time since this would cancel
the protective earth of the UPS system and all connected
loads.
The UPS output terminal block may be electrically active even
if the UPS system is not connected to the building wiring
terminal.
In order to completely disconnect the UPS, firstly press the
OFF button, then disconnect the mains lead.
Ensure that no liquid or other foreign objects can enter the
UPS.
The UPS can be operated by any individuals 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. Before carrying out any kind of
service or maintenance, please disconnect the mains and
batteries. And Verify that no current is present and no
hazardous voltage exist in capacitor or BUS capacitor
terminals.
Caution - risk of electric shock. Before carrying out any kind of
service or maintenance, please take all precautionary