4
October 2010
AUTOMATIKPRODUKTER
AUTOMATIKPRODUKTER
ATEX – Duct Smoke Detector
1
Introduction
Fig. 01 LRS 04 Ex
The Duct Smoke Detector LRS 04 Ex comprises the ventilation duct base LKS
02, the optical smoke switch ORS 221 Ex and the ORS 142 Ex interface
(connection box). These components are fitted onto the mounting plate and
prewired. It is used for smoke monitoring in ventilation ducts with potentially
explosive atmospheres.
The Duct Smoke Detector LRS 04 Ex is ATEX-approved and can be used in
zones 1 and 2 (IBExU04ATEX1105, IBExU04ATEX1106).
Duct Smoke Detector LRS 04 Ex is used for incorporation of the optical smoke
switch ORS 221 Ex and is mounted on the ventilation duct from the outside.
The Duct Smoke Detector LRS 04 Ex is designed for application within
buildings.
Caution:
The specifications in the explosion protection document must be observed.
The ventilation ducts must be thoroughly cleaned before taking a smoke
switch in ventilation systems into operation.
