Mains Installation
The BED-108/2 must be used with a 3-wire mains connection (2W+PE @ min. 0,75mm
2
).
Terminals marked with hazardous live symbol requires installation by an instructed person.
Details on the mains supply can also be found on a label fitted inside the lid of the
BED-108/2.
If permanently connected to mains, a readily accessible disconnect device shall be incorpo-
rated in the building installation wiring.
If pluggable connection to mains, the socket-outlet shall be installed near the equipment and
shall be easily accessible.
Cable connections
It is of utmost importance that all cable connections are carried out, exactly as described in
order to avoid malfunction or damage to the BED-108/2, or the connected equipment.
All cables to and from the BED-108/2 are fed through the cable glands. Choose an
appropriate size gland for the actual cable and tighten the glands when all cables are
connected.
The choice of cable is important to the optimal function of the BED-108/2.
01
02 03 04
06 07 08 09 10 11
05
Cable glands layout
The following table shows how the cable glands are intended to be used:
RS485 output cable 8
PG 9
11
RS485 output cable 7
PG 9
10
RS485 output cable 6
PG 9
9
RS485 output cable 5
PG 9
8
RS485 output cable 4
PG 9
7
RS485 output cable 3
PG 9
6
RS485 output cable 2
PG 9
5
RS485 output cable 1
PG 9
4
RS485 input cable
PG 9
3
Power failure cable
PG 9
2
Mains input cable
PG 16
1
Description
Size
No.
Installation Instructions BED-108/2
3020-00041
Page 3
