Manual

21
5 Electrical installation
5.1 Electrical Preparations
The UPS unit has the following power connections:
Three-phase (L1, L2, L3), Neutral (N) and Protective Earth (PE) connection for the rectier
input.
Three-phase (L1, L2, L3), Neutral (N) and Protective Earth (PE) connection for the bypass
input ( N is INTERNALLY common for rectier and bypass inputs).
Three-phase (L1, L2, L3), Neutral (N) and Protective Earth (PE) connection for the load
output.
Positive pole (+),Negative pole (-), Common midpoint/Neutral pole and Protective Earthing
(PE) connection for the external batteries.
56 red wires (B2) with an approximate length of 70mm, 4 red wires (B3) with an approximate
length of 770mm and 8 red wires (B4) with an approximate length of 65mm for BAT+;
4 red wires (B9, B10 and B11) for BAT+ connection;
4 blue wires (B5) with an approximate length of 65 mm, 4 blue wires with an approximate
length of 770mm (B6) for BATN;
Note!
It must be ensured that no line input source can accidentally be connected to the UPS
during installation.
Warning!
Installation may only be carried out by qualied technicians and in conformity with the
applicable safety standards.
5.2 Installation and wire connection diagram
Warning!
The UPS unit is not applicable to the IT power distribution system.