SA-K7N sounder with visual alarm device

SA-K7N SOUNDER WITH VISUAL ALARM DEVICE FOR FIRE ALARM SYSTEMS HOLDS DOCUMENTS ISSUED BY CNBOP-PIB:Gold Medal MTP 2014

  • CPR CERTIFICATE NO. 1438-CPR-0308
  • CERTIFICATE OF ADMITTANCE NO. 3145/2018

Use:

The acoustic-optical alarm device SA-K7N is intended for signalling of fire inside buildings.


Construction:

The signalling device is equipped with housing made of non-combustible material, enclosing electronic components. Upper part of the housing contains light source – power LEDs. SA-K7N signalling devices are equipped with supply connector, WSD switch connector and six-position microswitch located in cover, by means of which operating mode of signallig device can be selected – either “master” or “slave”, and also tone pattern.

SA-K7N acoustic-optical alarm device is made in three variants: 9m, 6m and 3m. Depending on version of signalling device, coverage area changes (the area, in which light intensity is higher than 0.4 lx). The signalling device meets requirements of EN 54-23, EN 54-3 standards. SA-K7N acoustic-optical alarm device enables creation of synchronously operating signalling devices’ network (synchronization of acoustic and optical part with use of additional line). SA-K7N signalling device is adapted to co-operation with WSD-1 switch.

The acoustic part of signalling device enables volume adjustment and use of linear volume increase option (from approx. 70 dB up to 100 dB @ 1 m). Adjustment of volume is done by means of potentiometer located in cover of signalling device. While the option of progressive volume increase is switched on by shifting the microswitch to adequate position.


Operating principle of the signalling device:

After the supply voltage has been applied to the SA-K7N signalling device, it generates pulse optical signal, having light up time shorter than 0.2 s and acoustic signal conforming to current settings. Frequency of generated optical signal is equal to 0.56 Hz. Power LEDs, placed in enclosure (lampshade) forming an optical system, are light generating elements. The SA-K7N signalling device enables creation of synchronously operating signalling devices’ network (the acoustic and optical parts are being synchronized).


Creation of signalling device’s network in synchronous operation:

It is necessary to configure mode of signalling device operation prior to proceeding with creating a network of signalling devices. There is six -positions of microswitch, located in the cover of signalling device, which when moved from S/M position to ON position, sets “master” operating mode, while the “OFF” position sets the “slave” operating mode.
Only one “master” signalling device is allowed in any network, which is responsible for generating of synchronization pulses. The remaining signalling devices must be set to “slave” operating mode.  Improper setting of operating mode will result in improper operation of signalling devices’ network.

SA-K7N device network


Varieties:

SA-K7N/3m Acoustic – optical fire signalling device SA-K7N of 3m main installation height
SA-K7N/6m Acoustic – optical fire signalling device SA-K7N of 6m main installation height
SA-K7N/9m Acoustic – optical fire signalling device SA-K7N of 9m main installation height


Opening:

To open the signalling device: screw out the screw locking the base, turn the shade anticlockwise while holding the base, then separate the shade and the base.

Closing:

To close the signalling device: fit together the markers. After that put together the device and turn in the direction marked with an arrow (the sequence in the drawing). On closing, lock the base by screwing in the locking screw.

SA-K7N closing scheme

Supply voltage 16 – 32,5 V DC
Current cosumption in the off state 0 mA
Current consumption at 24 V DC SA-K7N/3m <75 mA
SA-K7N/6m <75 mA
SA-K7N/9m <110 mA
Sound output at 1 m >100 dB
Device type Type A
Ingress protection IP33
Power consumption at 24 V DC <1,8 W  SA-K7N/3m
<1,8 W  SA-K7N/6m
<2,64 W  SA-K7N/9m
Working temperature range -10°C ÷ +55°C
Housing plastic material
Weight SA-K7N/3m, SA-K7N/6m ~300 g
SA-K7N/9m ~350 g
Dimensions Ø 115×100 mm
Wire type of signal line/supply line According to standards, guaranteed cross-section accordin to EN 54-23 (from 0,28 mm² to 1,5 mm²).
Max cross-section 2,5 mm².
Light colour According to Certificate of Admittance : red
According to EN 54-23: white or red
Frequency of flashing/Flash time 33,6 flashes per minute
SA-K7N/3m  tb=0,15 s
SA-K7N/6m  tb=0,15 s
SA-K7/9m  tb=0,19 s
Colour red, white mounting base
Device category Category O

Connection diagram:

SA-K7N connection scheme NO. Name Function
1 S/M (ON) – master mode/(OFF) – slave mode
2 S0 Sound pattern selection
3 S1 Sound pattern selection
4 S2 Sound pattern selection
5 S3 Sound pattern selection
6 VR An option of linear increasing volume:

ON / OFF

 


Position of microswitch SA-K7N:

NO signal
Position of microswitch Name of signal
S0 S1 S2 S3
1 ON ON ON ON fire service signal
2 ON ON ON OFF signal ISO 8201
3 ON ON OFF ON police signal
4 ON ON OFF OFF signal DIN 33 404
5 ON OFF ON ON ambulance signal
6 ON OFF ON OFF interrupted tone,
switching frequency 0,5 Hz
7 ON OFF OFF ON French alarm signal
8 ON OFF OFF OFF Sweden SS 031711
9 OFF ON ON ON evacuation tone Netherlands
10 OFF ON ON OFF NFC 48-265
11 OFF ON OFF ON German industrial alarm
12 OFF ON OFF OFF PFEER alarm
13 OFF OFF ON ON continuous signal
14 OFF OFF ON OFF alternating tone
15 OFF OFF OFF ON emergency tone
16 OFF OFF OFF OFF slow whoop

Radius of coverage area for SA-K7N:

SA-K7N radius of coverage area

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