Safety Instructions; Functional Description; Technical Specifications - Bosch FNM-420-A-RD Installation Manual

8 en | Safety instructions
1

Safety instructions

Notice!
Installation must only be carried out by authorized specialist
personnel.
Only if the sounder volume is set to the maximum level, the
i
certified sounds (no. 1, 8, 10, 24) comply with EN 54-3.
Certified sound measurements are listed in
Bulletin_Sound_Pressure_Level_EN54-3.pdf (F.01U.344.055 for
FNM-420-A, F.01U.344.056 for FNM-420-B), which can be
obtained from the manufacturer.
Notice!
i Electrostatic discharge (ESD)! Electronic components could be
damaged. Ground yourself using a wrist strap or take other
suitable actions.
2

Functional description

The volume of each 32 tone variants (incl. DIN tone 33404 part
3) has up to 5 levels and can be adjusted according to the
operational environment. The sound level varies between 65 dB
and 102 dB depending on the tone type and volume.
3

Technical specifications

See Installation, page 4 .
2023-07 | 06 | F.01U.099.623 Bosch Sicherheitssysteme GmbH
Sounder