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Installation Guide
LP 33
/ 10 - 20 kVA
How to access the terminals for the cable connections
C
OFF
OFF
ON
ON
Bottom entry cables
A
B
C
Fig. 3.8.1-1 Access to the input / output connections
To access input, output and battery
connections proceed as follows:
•
Open the front door “
A
” of the
cabinet.
•
Remove the protection panel “
B
”.
•
Remove the plate “
C
” for bottom cable
entry.
NOTE !
Drill in the plate “C” appropriate holes for cable conduits (max. 4 x 1”1/4”).
See
Fig 3.8.1-1
for details “C”.
3.8.2
Internal fuse ratings
LP 33
internal fuses
The UPS is equipped with
rectifier input fuses
F1, F2, F3
and
battery fuses
F9, F10, F11
and
F13, F14, F15
(only for
LP 33 / 20 kVA
).
In case of replacement the same type and the
same rating must be used (see table below).
Fig. 3.8.2-1 Internal fuses
Rectifier input fuses F1, F2, F3
The fuses must be inserted in the
fuse holder with blown fuse
indicator upwards (see label on
fuse holder).
Fuses type URD
660/690 VAC
Fuses type AJT40
660 VAC
Fuses type AJT40
660 VAC
UPS
F1 - F2 - F3
F9 - F10 - F11
F13 - F14 - F15
(only for
LP 33 / 20 kVA
)
LP 33 / 10 kVA
40A (14 x 51 mm)
40A (27 x 63 mm)
-
LP 33 / 20 kVA
80A (22 x 58 mm)
40A (27 x 63 mm)
40A (27 x 63 mm)