PowerWalker VFI 10000TCP 3_1 - Manual (Page 5)

2
★
An appropriate disconnect device as short-circuit backup
protection should be provided in the building wiring
installation.
★
For three-phase equipment connection to an IT power system,
a four-pole device which disconnect all phase conductors and
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 essential before connecting to the building
wiring terminal.
1.2 Operation
★
Do not disconnect the earth conductor cable on the UPS or the
building wiring terminals in any time since this would cancel
the protective earthing of the UPS system and of all connected
loads.
★
The UPS output terminal block may be electrically lived even if
the UPS system is not connected to the building wiring
terminal.
★
In order to fully disconnect the UPS, turn the M1/M2/N input
breaker in the “OFF” position
(
for PowerWalker VFI
10000-20000 TP 3/1), turn the R/S/T/N input switch in the
“OFF” position (for PowerWalker VFI 10000TCP 3/1), then
disconnect the mains lead.