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WIRELESS SOUNDER

«CN-Siren»

Installation Guide

The sounder displays one of it’s operation modes as specified in 

Table 3 (LED indication).

5 Sounder Design

The sounder outside view is shown in Figure 1.
The sounder consists of a base (1) and case (4). The base comprises 

the oval holes (2) for it’s fastening to the mounting surface. The case 
is fastened to the base with latches (3). 

There is a two-color LED indicator (5) on the front surface of the 

case. There are contacts (6), the main power-supply battery holder 
(7) and the backup power-supply battery holder (8).

1 Product Overview

1.1  Wireless  sounder  «CN-Siren»  (hereinafter,  the  sounder)  is 

intended for informing people about a fire or other emergencies by 
generating an audible alarm.

1.2  The  sounder  is  intended  for  operation  as  a  component  of  a 

system that is operated by a control panel (hereinafter, CP), supporting 
«CN-Contact-R» wireless two-way data exchange protocol.

1.3 The sounder is switched on and off by means of CP, and it’s 

operation modes are assigned by commands from the CP.

1.4 The sounder monitors and transmits messages upon removal 

from it’s base or upon discharge of both main and backup batteries.

1.5 The following rates of control radio exchange may be assigned: 

10, 15, 30, 60 sec, 5 or 10 min.

1.6 The sounder can operate in a continuous or pulsed audible-alarm 

modes.

1.7 Pulse-mode parameters can be set by the user in the process 

of the sounder adjustment.

1.8 The sounder operation mode is displayed by a two-color LED 

indicator.

1.9 Two frequencies in the 433.05 to 434.79 MHz frequency range 

are used for wireless signal exchange with the CP 

 the main frequency 

and the reserve one. The sounder swithes to the reserve operating 
frequency automatically in case of radio-frequency interference on the 
main one. Transmitter power does not exceed 10 mW. 

1.10 The sounder is powered by two CR123A batteries, the main 

and the backup one.

1.11 The batteries’ respective service-time capacities in a standby 

mode (with a signal-monitoring interval of at least 30 sec) are as follows:

- main power-supply battery – at least 60 months or at least 2 months 

in continuous operation mode;

- backup power-supply battery – at least 2 months.
1.12 The sounder is designed to operate continuously around the 

clock  in  closed  premises  of  residential  and  industrial  buildings  and 
structures.

1.13  The  sounder  is  resistant  to  the  impact  of  electromagnetic 

interference.

2 Principal Technical Characteristics 

Table 1 

Features

Value

Acoustic pressure level at 1 m distance from the 

sounder, not less than

85 dB

Generated alarm signals frequency

2000 to 4000 Hz

Operating temperature

from minus 20 to +55 °С

Permissible humidity (at temperature 35 °C):

93 %

IP rating

IP40

Dimensions, max

⊘ 

121 x 54 mm

Weight (without power-supply batteries), max

0.2 kg

Battery life, not less than

10 years

3 Scope of Delivery

Each sounder unit package contains the items listed in Table 2.
Table 2

Name

Qty

«CN-Siren» wireless sounder
Screw 3-3x30.016
Wall plug NAT 5x25 SORMAT
CR123A lithium power-supply battery
«CN-Siren» wireless sounder. Installation Guide

1 pc.

2 pcs.
2 pcs.
2 pcs.

1 copy

4 Informativity

The sounder generates and transmits the following messages to the 

CP via wireless communication:

- «Norm»;
- «Tampering»;
- «Main power-supply low-battery» 

 if power-supply voltage drops 

below (2.4 ± 0.2) V during a regular communication session;

-  «Backup  power-supply  low-battery» 

– 

if power-supply voltage 

drops below (2.4 ± 0.2) V during a regular communication session;

Figure 1

6 LED Indication

Table 3

Sounder Status

LED Indication

«Binding» mode

LED indicator blinking green

«Binding is completed»

Short-term (2 sec) LED indicator lighting red

«Identification» LED 

indication

Alternate LED indicator lighting green and red

«Communication

Quality Appraisal»

See Table 4

7 Switching On and Setting Up

7.1 Remove the sounder from it’s base.
7.2 Install the main power-supply battery and the backup one.
7.3 Provide a tmporary connectionbetween the «-» contact of either 

power-supply battery holder and contact «4» on the sounder base.

7.4 Make sure the LED indicator is blinking green (binding mode).
7.5  Perform  the  procedure  of  the  sounder  binding  to  the  CP  in 

accordance with the CP operation manual.

7.6  Make  sure  that  the  LED  indicator  blinked  red  once  for  a 

moment.

Note

 

 

The binding mode is active for 100 sec. Sect. 7.3 should 

be repeated in order to resume the binding procedure.

8 Installation Recommendations

8.1 Appraise communication quality at the place where you intend 

to install the sounder (see Sect. 9).

8.2 Install the sounder at a place where communication quality is 

appraised as «excellent» or «good».

8.3 Install the base at the chosen location.
8.4 Make sure that the base contacts 2 and 3 are closed with a 

wire jumper.

8.5 Insert the sounder into the base and lock it by turning clockwise 

to it’s fully latched position.

9 Communication Quality Appraising

9.1 Insert the sounder into the base and lock it by turning clockwise 

to it’s fully latched position. Wait for 3 sec.

9.2 Remove the sounder from the base and appraise communication 

quality by means of LED indication as shown in Table 4.

Note

 

 

The  delay  up  to  4  sec  between  tampering  and  LED 

indication switching is possible.

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