5424 Dust Detector
5520 Water Alarm
5424
Overview
This device is designed to detect fine dust produced by combustion.
Operational and Installation features
This signals various types of very early signs of combustion. Lack of
limitations due to wiring is useful to appropriately position the device
which is of paramount importance for it to properly operate. It is installed
on the highest point of the ceiling, at a maximum height of 3 m, in 6x6 m
rooms or similar.
5520
Overview
This device is designed to detect the presence of water or liquids
in general.
Operational and Installation features
It detects flooding and/or water or liquid levels. The device works
when connected to Sensor HT part no. 5515.