User Manual

Table Of Contents
EN/LZT 720 0233 Uen R1A
BFU
Batter
y Fuse Unit
Unit Description
The B
attery Fuse Unit (BFU) supervises the load and temperature of the
batteries, and connects and disconnects the batteries at low voltage. It also
regulates the charging of the back-up batteries.
P009061A
Aux fuse
(T1,6A 220V)
TD
OPTO
RD
Fault
Operational
Bat.disconnect
BFU
E
1 (10)