Installation and Operation Manual
Page 132 of 156
[PVI-XXX.0-YY(-TL) - Rev:1.0]
16.1.3.3 OVR AC device check.
Check that the inspection windows are not
coloured in red. If so, replace the faulty
cartridges with others of the same type.
It is necessary to check the fuses in the
fuse boxes (FH) of Figure 16-
7. Use
14x51 50A gG fuses.
O
V
R
O
V
R
O
V
R
O
V
R
L1
L2
L3
N
O
V
R
O
V
R
O
V
R
O
V
R
Figure 16-7: OVR AC Devices for versions
≤220kW with transformer
OV
R
OV
R
OV
R
OV
R
O
V
R
O
V
R
O
V
R
O
V
R
Figure 16-8: OVR AC Devices for versions
without transformer or ≥275kW
16.1.4
Checks on the Framework
16.1.4.1 OVR DC device check.
The inspection of the OVR (overvoltage
discharger)
DC
device
is
performed
automatically: the display will indicate it by
timely reporting. In this case, the faulty
cartridge must be replaced.
The OVR DC devices are to the left of every
module, as indicated in the figure below.
O
V
R
O
V
R
O
V
R
O
V
R
O
V
R
O
V
R
Figure 16-9: OVR DC Devices
FH
FH
