2
2
★
★
An appropriate disconnect device as short-circuit backup
An appropriate disconnect device as short-circuit backup
protection should be provided in the building wiring installation.
protection should be provided in the building wiring installation.
★
★
For three-phase
For three-phase equipment
equipment connection to
connection to an IT
an IT power
power system,
system,
a four-pole device which disconnect all phase conductors and
a four-pole device which disconnect all phase conductors and
the neutral conductor should be provided in the building wiring
the neutral conductor should be provided in the building wiring
installation.
installation.
★
★
This is
This is permanently conn
permanently connected equip
ected equipment ,
ment , it must
it must be installed
be installed
by qualified maintenance personnel.
by qualified maintenance personnel.
★
★
Earth connection
Earth connection essential before
essential before connecting to
connecting to the bu
the building
ilding
wiring terminal.
wiring terminal.
★
★
High leakage current, Earth connection essential before
High leakage current, Earth connection essential before
connection
connection supply
supply..
1.4 Operation
1.4 Operation
★
★
Do not
Do not disconnect the
disconnect the mains cable on
mains cable on the UPS
the UPS system or
system or the
the
building wiring terminals block during operations since this
building wiring terminals block during operations since this
would cancel the protective earth of the UPS system and of all
would cancel the protective earth of the UPS system and of all
connected loads.
connected loads.
★
★
The UPS system features
The UPS system features its own, internal current source
its own, internal current source
(batteries). The UPS output terminals block may be electrically
(batteries). The UPS output terminals block may be electrically
lived even if the UPS system is not connected to the building
lived even if the UPS system is not connected to the building
wiring terminals block.
wiring terminals block.
★
★
In
In order to
order to fully disconnect
fully disconnect the
the UPS system,
UPS system, first press
first press the O
the OFF
FF
button then disconnect the mains lead .
button then disconnect the mains lead .
★
★
Ensure that
Ensure that no fluids
no fluids or other
or other foreign objects
foreign objects can
can enter the
enter the UPS
UPS
system.
system.
1.5 Maintenance, servicing and
1.5 Maintenance, servicing and faults
faults
★
★
The UP
The UPS system
S system operates with
operates with hazardous voltages.
hazardous voltages. Repairs
Repairs
may be carried out only by qualified maintenance personnel.
may be carried out only by qualified maintenance personnel.
★
★
Caution - risk of electric shock. Even after the unit is
Caution - risk of electric shock. Even after the unit is
disconnected from the mains power supply, components inside
disconnected from the mains power supply, components inside