Installing The Duct Smoke Detector - Bosch FAD-420-HS-EN Guia De Instalacion

Duct Smoke Detector
If the D344-1.5 Sample Tube is installed in ventilation ducts that are 30–45 cm wide, cover
some of the extraction holes.
Figure 4.3: Covering the extraction holes
Example: For a ventilation duct with a width of 45 cm, cover six holes.
4.2

Installing the Duct Smoke Detector

Figure 4.4: Drilling jig
Preparation
Figure 4.5: Position of the drilling jig
1.
2.
Bosch Sicherheitssysteme GmbH
d Put duct tape over these holes.
a ∅ 44.5-mm holes for sample tube and
ventilation tube
c Ventilation duct
Take the enclosed self-adhesive drilling jig out of the box and peel off the protective
paper from the back.
Place drilling jig in the selected installation location and stick it on the ventilation duct.
b ∅ 9.5-mm holes for securing housing
d Drilling jig
Installation Guide
Product description | en
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2015.03 | 6.0 | F.01U.033.733