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Date
30/9/2016
File
Document code
921163800_09_007
Page
27 from 47
4.4
Describing the interior of the panel
To access the interior of the panel we must open the lock on the front lid.
The BS-1638 panel main consists of two sections:
1. The left section which is the lid and contains the main pcb with the controller, the indication pcbs and
the lock.
2. The right section contains the power supply, the zone and input/output pcbs, the battery compartment
and the cable entry holes.
220-240V AC
L
N
Figure 4-21. Panel Interior
4.5
Connecting the power supply cables (220-240V AC)
The panel has cable entry holes for all the cables. You can connect cables with a maximum diameter of
2.5mm to the terminal blocks.
The power supply cables of the panel must be with double insulation. The power supply cable must also
contain a power earth cable that must be connected to the main power earth connection of the building.
