Installation manual

Connecting the power cables > External bypass cabinet
34020846EN/AE - Page 40
1. Installation
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.
Key:
(1) Front protective covers
(2) Roof protective cover
(3) Earthing bar
(4) To the earth
(5) To the UPS load terminal block
(6) To bypass AC line
(7) To the load
1 - Remove protective covers (1) and/
or (2).
The handle of the Q3BP switch (in
the OFF position) on all UPS units
must be removed.
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 Q3BP and ext
Q5N ext 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.
* SLT upstream TNC, downstream TNC, TNS or TT, See “Adapting the cabinet according to the neutral point connection”,
page 26.
A
A
3
5
7
7
6
6
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
.
Q1 Q4S Q3BP Q5N
N L1 L2 L3
N L1 L2 L3
N L1 L2 L3
559
807
1270
Q3BP ext
Q5N ext
OFF
OFF
UPSs Bypass Load
AC
Earth