ICAM by Xtralis ICAM ILS-2 Product Guide
www.xtralis.com 9
3 Wiring Connections
For correct operation of the unit it is essential that the case is fully sealed so that air can only be drawn into the
system through the aspirating pipe. For this reason, all wiring must pass through the cable seals provided and
no additional holes should be made. In order to pass a cable through a seal, make a small hole in the center of
the seal with a pointed implement (e.g. small screwdriver) and then force the cable through the hole into the
unit. The small hole will expand to accommodate cable diameters from 4 to 10 mm and then provide an airtight
seal.
In order to gain access to the main circuit board for connection of the wiring, remove the display/detector
mounting board held in place by the clear top cover. The ribbon cable may be removed from the connector on
the underside of the board to allow the board to be fully removed.
Caution: Care should be taken to ensure that the detectors are plugged back into the correct connectors
when re-assembling unit.
Warning: To prevent risk of electric shock, or possible injury from the rotation of the high performance fan,
the system should be isolated form the supply when the top cover is removed.
All connections to the main circuit board are to pluggable terminals that can accommodate wire sizes up to
2.5mm².
3.1 Field Connections
1. Power supply
input
2. Power input
fuse
3. External reset
input
4. Channel 1 Fire relay contacts
5. Channel 1 Action relay
contacts
6. Channel 1 Fault relay contacts
7. Channel 2 Fire relay contacts
8. Channel 2 Action relay
contacts
9. Channel 2 Fault relay contacts
Figure 3-1: Field connections for the ILS-2
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