Reference Manual

4(6)
EN/LZT 720 0230 R1A
Service outlet Climate Unit PSU 1 PSU 2 PSU 3 PSU 4 EPC BUS
Distribution
Unit
+24V DC AUX
+24V DC
Internal light
EMC
filter
Overvol-
tage
protection
Mains
Switch
Connection Unit
Control
Board
AC Mains
+24/-48V DC
P008483A
==
=
Figure 1 Block diagram of ACCU-02
3.1 Connection Unit
The Connection Unit consists of:
• Mains Switch
• Overvoltage protectors
• EMC filter
3.2 Distribution Unit
The Distribution Unit consists of:
• Four outlets for PSUs, protected by 16 A circuit breakers
• One outlet for Climate Unit, protected by a 25 A circuit breaker