Installation manual

Connecting the power cables >
34020846EN/AE - Page 39
1. Installation
External bypass 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
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 ext and
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
6 7
A
5
5
7
6
1 1
2 2
3
4
OFF
OFF
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
533
860
608
Q5N
ext
Q3BP
ext
OFF
OFF
N L1 L2 L3
N L1 L2 L3
UPSs Bypass Load
AC
Earth