Siemens FDA241 Technical Manual page 57

Aspirating smoke detector

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Table of Contents

Building Technologies

Fire Safety

Cable entry

Position of hole

Breakthrough on rear

Breakthrough on left side of housing

Breakthrough on top of housing

If the aspirating smoke detector is installed rotated by 180°, the circular

breakthroughs are found on the bottom at the right-hand side.

25 mm

25 x 100 mm

20 mm

110 mm

Cable entry with standard installation position

To prepare the electrical connections, perform the following steps:

1. Break through the necessary cable entries (e.g., using a screwdriver).

2. Attach the plastic cable entries (usual size M20) to the housing.

3. Insert the cables through the relevant cable entries.

Fda221