Siemens FDA241 Mounting & Installation page 23

Aspirating smoke detector

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Table of Contents

Building Technologies

Fire Safety

Procedure

 A suitable external power unit is available.

 The aspirating smoke detector's housing cover is removed.

1. Before connecting the external power unit to the terminal block, check the

voltage provided by the power unit. Permissible value: DC 24 V ±4 V

2. Connect the power unit to the aspirating smoke detector(s) according to the

connection diagram shown.

 The external power unit is connected to the aspirating smoke detector(s).

Fda221