Installation manual

Adapting the cabinet according to the neutral point connection >
34020846EN/AE - Page 26
1. Installation
1.5 Adapting the cabinet according to the neutral point connection
UPS cabinet
SSC cabinet or external bypass cabinet
This operation must be carried out by qualified personnel.
The door must be opened using the Ronis 405 key.
The protective covers must be removed.
For IT, TNS or TT (PE) upstream
system
1 - Disconnect and remove the joiner
on the earthing bar(1).
For TNC (PEN) upstream, TNC, TNS
or TT downstream system
1 - Disconnect the joiner on the
earthing bar (1)
2 - Install the joiner as shown
opposite.
(2) Inverter neutral (N)
This operation must be carried out by qualified personnel.
The door must be opened using the Ronis 405 key.
The protective covers must be removed.
For IT, TNS or TT (PE) upstream
system
1 - Disconnect and remove the joiner
on the earthing bar (1) .
For TNC (PEN) upstream, TNC, TNS
or TT downstream system
1 - Disconnect the joiner on the
earthing bar (1)
2 - Install the joiner as shown
opposite.
(2) SSC neutral (N)
PENPEN
2
1
OFF
OFF
OFF
2
1