Installation manual

Connecting the power cables > SSC maintenance cabinet
34020846EN/AE - Page 43
1. Installation
2000 kVA
Remove the protective covers
This operation must be carried out by qualified personnel.
The door must be opened using the Ronis 405 key.
Key:
(1) Front protective covers
(2) Roof protective covers
(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 bypass AC
conductors taking care to respect 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
7
7
6
6
45
3
2 2
OFF
OFF
1 1
3
1
11
1
1
Connection through the top
Connection through the bottom
Right-hand view
Front view
Front
Top view
view
.
Load NS UPSs Earth
N L1 L2 L3
650
1550
QN
N
L1 L2 L3
QM
1230
L3L1 N L2
OFF
OFF