Installation manual

Connecting the power cables >
34020846EN/AE - Page 33
1. Installation
Static-switch cabinet
800 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 UPS load terminal block*
(6) To bypass AC line
(7) To the load
Connections through the top of the
UPS cabinets are possible by using
an auxiliary cabinet 400 mm wide.
1 - Remove protective covers (1) and/
or (2).
* Or to the SSC maintenance cabinet;
See “SSC maintenance cabinet”,
page 42.
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 Q4S, Q3BP
and Q5N 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 - Connect the control-wire cables (
See “Connecting the control-wire
cables”, page 46.)
7 - Put the protective covers back in
place.
** SLT upstream TNC, downstream TNC, TNS or TT, See “Adapting the cabinet according to the neutral point connection”,
page 26.
A
A
5
7
6
1 1
2 2
3
4
OFF
OFF
OFF
5
6
7
Connection through the bottom
Right-hand view
Front view
Top view
Front
.
view
N L1 L2 L3
533
860
533
Q5N
Q3BP
Q4S
N L1 L2 L3
OFF
OFF
OFF
N L1 L2 L3
UPSs Bypass Load
AC
Earth