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ASSA ABLOY Hospitality
66 1100 005-11
3. Main control unit
The
main control unit
is an in-wall mounted junction box consisting of a main
PCBA (
printed circuit board assembly
) and an RFID lock controller unit (
LCU 6333/
LCU 6334
). The
main control unit
can also be connected to one or more of the units
shown in
3.1 Battery backup
It is required to mount 3 AA backup batteries in the battery holder of the
main control unit; see Figure 64 and
Figure 64
