Connecting The 230 V Ac / 400 V Ac Voltage Supply - Zumtobel ONLITE central CPS K Installation Instructions Manual

3.5 Connecting the 230 V AC / 400 V AC voltage supply

The ONLITE central CPS system is powered by the general 230 V AC / 400 V AC mains or in
emergency operation by the batteries (battery cabinet or battery rack) or an emergency
generator.
Before connecting the voltage supply, ensure that
• the system and the supply lines are switched dead,
• the fuses 2F1, 2F2, 2F10.1 and 2F10.2 are opened (removed).
d
Danger
When disregarding the preliminaries there is a risk of mortal danger due to live parts!
Proceed as follows to connect the ONLITE central CPS system to 230 V AC / 400 V AC
mains:
1. Switch the system dead by opening the external main switch and protect the system
against re-engagement.
2. Route the connection cables into the cabinet through the flange plate at the top side of the
switch cabinet.
3. Connect the 230 V AC / 400 V AC mains and the earth wire to the screw terminals L1, L2,
L3, N and PE of the terminal block -2X1 of the ONLITE central CPS switch cabinet.
i
When connecting the 400 V AC voltage supply, please note that the phasing (L1-L3)
corresponds to a clockwise rotating field. For this purpose a phase sequence indicator
must be used.
PE L1 L2 L3
16
N