Bosch FAD-420-HS-EN Guia De Instalacion página 218

en | Product description
218
Figure 4.10: Airflow direction
3.
Figure 4.11: Position of sample tube and ventilation
4.
2015.03 | 6.0 | F.01U.033.733
p Airflow direction
r Sample tube
The direction of the airflow must be taken into account when installing the sample tube!
The extraction holes must face into the airflow.
p Airflow direction
r Sample tube
If the detector was installed according to housing position 2 , page 213, then the
ventilation tube should be positioned downstream of the sample tube.
s Extraction holes
t Ventilation tube
Installation Guide
Duct Smoke Detector
Bosch Sicherheitssysteme GmbH