Installation manual

Connecting the power cables >
34020846EN/AE - Page 42
1. Installation
SSC maintenance cabinet
800 and 1200 kVA
Remove the protective covers
This operation must be carried out by qualified personnel.
The door must be opened using the Ronis 405 key.
l Key:
(1) Front protective covers
(2) Roof protective cover
(3) Earthing bar
(4) To the earth
(5) To the load
(6) To the SSC
(7) To the UPS load terminal block
1 - Remove protective covers (1) and/
or (2).
Connecting the power cables
This operation must be carried out by qualified personnel.
See “Characteristics of the connection terminals”, page 20.
1 -Check that switches QN and QM
are in the OFF position as shown
opposite.
2 - Connect the protective conductor
(PE or PEN) to the earth bar
3 - Connect the UPS conductors in the
following order: N, L1, L2, L3
4 - Connect the AC Bypass
conductors in the following order: N,
L1, L2, L3
5 - Connect the load conductors
taking care to respect the following
order: N, L1, L2, L3
6 - Put the protective covers back in
place.
A
A
3
5
7
7
6
6
1
1
1
1
1
2 2
1
4
5
OFF
OFF
1
6
7
Connection through the top
Connection through the bottom
Right-hand view
Front view
Front
Top view
view
.
N L1 L2 L3
N L1 L2 L3
N L1 L2 L3
559
807
1270
QN
OFF
OFF
QM
Load NS UPSEarth