Bosch MSS 300 Quick start guide

4998121235

A5.en / 2020.02

Bosch Sicherheitssysteme GmbH

Robert-Bosch-Ring 5

85630 Grasbrunn

INSTALLATION NOTE MSS 30007

Fixing notes

The sounder base is designed for surface mounting and is provided for rear and surface cable

entry. The sounder insert has to be removed before fixing the mounting base. To release the

sounder insert, fixing clamps have to be pushed in direction of the arrows (Fig.2). for rear

cable entry, conduit box mounting, feedthe cable through the openings. For surface cable

feed, please break out the prepared cable entries. Install the mounting base with two screws

on a flat dry surface. Therefore, only the prepared fixing bores may be used (see Fig. 2)!

Technical Data

Dimensions : see Figure 1 and Figure 2

IP-Rating (as per EN 60529): IP30

Environmental category: Type A

Operating temperature: -10 C ... +55°C

Storage temperature: -25°C ...+85°C

Housing material: ABS plastics

Terminals: In and Out, for wires 0,28 - 2,5mm2

Operating voltage: 9V-15V DC / 15V-28V DC

Current consumption: 3mA up to 20mA, ±2mA

(in alarm and depending on the selected tone)

Bosch order number: 4.998.025.371

CPD-Number: 0786-CPD-20185

EN54-3

Figure 1: Dimensions Figure 2: Installation details

Figure 3: Mounting order

Figure 4: Detector locking spring

128

81,5

Sounder insert

Mounting base

Detector

Fixing springs

Detector with sounder

base (complete fitted)

Cable entries for

under plaster cable feed

Useonly these borings for

fixing the mounting base!

Sounder insert fixing

clamps

release

sounder

insert

Prepared cable

entries

Prepared cable

entries

Page 2

4998121235

A5.en / 2020.02

Bosch Sicherheitssysteme GmbH

Robert-Bosch-Ring 5

86530 Grasbrunn

Tone table

The sounder provides 11 tones with an additional second toneoption (see table below). Tone

selection is via the integrated DIP switches. Volume setting follows infinitely variable via a

potentiometer. Both tones can be activated separately, whereby a subsequently activation of

the second tone switches off the first tone. Only if the sounder volume is set to the maximum

level, the certified sound (no. 1) comply with EN54-3. Certified sound measurements are listed

in Bulletin_Sound_Pressure_Level_EN54-3.pdf (F.01U.315.263). This document can be obtained

from the manufacturer.

Sound in-

TToonneeBBiinn..

Code

TToonnee ttyyppee

Description

FFrreeqquueennccyy

Modulation

22.. ttoonnee

(not BZ 500)

Current con-

sumpttiion att

24V

tensity

[dB(A)]

± 2 dB

11111Sweeping,

DIN - tone

1200 - 500 Hz

1Hz

970Hz,

Continuous 20mA ±296

21110Sweeping (LF),

BS 5839, Teil 1, 1988

800 / 970 Hz

1Hz

970Hz,

Continuous 19mA ±2100

31101Sweeping,

Australian tone, AS 2220

2400-2850 Hz

7Hz

970Hz,

Continuous 19mA ±295

41100Sweeping for 3,5s,

0,5s off, Dutch tone500-1200 Hz 970Hz,

Continuous 18mA ±297

51011Continuous,

BS 5839, Part 1, 1988970 Hz 610Hz,

Continuous 19mA ±297

61010Alternating tone,

French tone

554 Hz

100mS

440 Hz

400mS

970Hz,

Continuous 20mA ±297

71001Continuous,

Schwedish tone 660 Hz 970Hz,

Continuous 20mA ±297

81000Alternating tone,

Low power

580 / 1000 Hz

1Hz

610Hz,

Continuous 4mA ±291

90111Pulsed tone,

Low power

580 Hz

at 2Hz

610Hz,

Continuous 3mA ±287

10 0110USA temporal 3 tone,

ISO 8201610 Hz 970Hz,

Continuous 13mA ±299

11 0101USA temporal 3 tone,

ISO 82012850 Hz 970Hz,

Continuous 19mA ±294

+24V DC

0V (1. tone)

0V (2. tone)

End of line resistor

RE3k92

rt sw bl

RE3k92

Screen wire

Volume setting

(potentiometer)DIP-switches

for tone

selection

Terminal assignment

Clamp Description

a1 / a2 L . . . a (GLT) / LSN -

b1 , b2 L . . . b (GLT) / LSN +

CRemote indicator output wire

length max. 3m

screen wire (has to be isolated

and as short as possible)

Unshielded cable can be used.

red

24V DC power supply for the

first and the second tone.

black

blue

Clamps for activating the 1st

tone. (connection via 0V)

Clamps for activating the 2nd

tone.

(connection via separate 0V)

black

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