JA-63S self-contained fire detector 1 / 1 MKY51100
The JA-63S self-contained fire detector
This device is designed to detect the presence of fire inside residential or commercial
buildings. It should not be installed in industrial premises. The battery-powered detector
has a built-in local warning siren combined with a red LED indicator. The alarm
information can also be transferred via a wireless connection to the JA-6X systems.
The JA-63S detector combines an optical smoke sensor with a heat sensor. Both
sensors have their outgoing signals processed digitally, resulting in higher false alarm
immunity. The optical sensor works using a light diffusion principle and is very sensitive
to the presence of large-sized particles which are characteristic of dense smokes. By
contrast, the sensor is less sensitive to small-sized particles which are typical of cleanly
burning fires. In particular, the smoke sensor is not capable of detecting the by-
products of cleanly-burning fluids such as alcohols, for instance. This deficiency is
compensated for by the built-in heat sensor. This sensor provides a slower reaction
when compared to the smoke sensor, but is much better at reacting to fires with rapidly
rising heat producing only a little smoke.
Smoke/heat sensor participation is configurable by DIP switches.
Detection range, detector positioning
Exposing fire conditions to the smoke and heat sensors requires some level of air
circulation. It is therefore necessary to install the JA-63S detectors in such a place on
the ceiling that (in the case of fire) smoke masses are forced to go in the direction of
the detector’s position. This can usually be achieved in most buildings. However, the
JA-63S is not suitable for installation in outdoor spaces or interiors with an extremely
high ceiling where fire by-products would not reach the detector position.
The following table shows the detector’s working range in relation to the height of the
ceiling on which the detector is installed. The range is expressed as the radius of the
circular fire detection area for a detector installed on a ceiling directly above:
Ceiling height (m)
< 4,5
4,5÷6 6÷8 8÷11 11÷25
> 25
Smoke
detection
7,5* m 7,5* m 7,5* m 7,5* m
Not
suitable
Not
applicable
Heat
detection
5* m 5* m 5* m
Not suitable
Not
applicable
Not
applicable
Not applicable – meant for a particular ceiling height range
Not suitable –not usually used in such cases
* – the radius of the detection area below the detector
•Installation on a horizontal level ceiling
Due to the possible occurrence of a cold air layer right under the ceiling, the
detectors must not be imbedded into the ceiling. The distance between any point
to be protected and an imaginary vertical line from the nearest JA-63S detector down
to the floor must not exceed the radius indicated in the table.
•Installation on a sloping ceiling
If the JA-63S is installed just under an apex formed by the joining of two sloping ceilings
the values indicated in the table can be increased by 1% for every degree of slope up to a
maximum of 25%. If the space to be protected is under a saw-tooth type of roof, JA-
63S detectors should be installed under each apex. However, a roof with a shallow saw-
tooth form can be acceptable if the height difference between the highest and lowest parts
of the ceiling does not exceed 5% of the total ceiling height
•Walls, partitions, obstacles, and trussed ceilings
The JA-63S must not be installed closer than 0.5 m from any wall or partition. A
narrow room with a width of less than 1.2m requires the detector(s) to be placed at a
distance of at least one third of the room’s width away. In the case of separating walls
(partitions, warehouse objects) which do not reach the ceiling, the space is
considered to be fully separated if the gap between the top of the separating
wall and the ceiling does not exceed 0.3 m A free space of at least 0.5m is required
under the detector. Irregularities in ceiling shape which do not exceed 5% of ceiling
height are considered insignificant – the ceiling can be regarded as being even and
limits from the table are applicable. However, any irregularity (including beams)
exceeding 5% of the ceiling height is considered to be a wall with the
consequences stated above.
•Ventilation and air circulation
The detectors must not be installed directly by a fresh air inlet, e.g. air conditioning
vents. In the case of air being supplied through a perforated ceiling, each detector must
be placed so that no perforation hole occurs within 0.6m of the detector.
•Avoid installing the detector in the following locations:
• Places with poor air circulation (niches, corners, apexes of A-shaped roofs).
• Places exposed to dust, cigarette smoke or steam.
• Places with over-intense air circulation (close to ventilators, heat sources or air
conditioning outlets).
• Kitchens and other cooking places (because steam, smoke or oily fumes can
reduce detector sensitivity).
Caution: The most common reason for the detector to be accidentally
triggered is improper detector location.
See CEN/TS 54-14 standards for detailed installation guidelines
.
Installation
1. Open the detector by turning the rear cover to the left and remove the battery
2. Screw the rear cover onto the desired location
3. Set the required function via the jumpers– see the table below
4. Please read the receiving device (control panel) installation manual before you connect
the battery (remove the insulation tape) and set the control panel in learning mode
5. When the battery is connected, the detector sends a signal to connect into the system
6. After installing the detector, allow approx. 20 seconds for stabilisation. This
period is indicated by the LED being continuously lit and is followed by an
auto-test. Successful performance of the auto-test is confirmed acoustically.
O
p
e
n
C
l
o
s
e
TEST
+
1.5 V AA
1
ON
INSTANT alarm mode
3 OFF
1
OFF FIRE alarm mode 4 OFF
Smoke (EN 14064) or heat (EN
54-5)
ON Memory ON 3 ON
2
OFF Memory OFF 4 OFF
Only smoke (EN 14604) (heat
indifferent)
3 OFF
4 ON
Only heat (EN 54-5) (smoke
indifferent)
3 ON
1
1234
ON
OFF
4 ON
Smoke and heat (both
simultaneously)
Closing the detector is disabled if no battery has been installed!
Testing the detector is automatically performed up to 10 secs after
battery insertion. New settings are saved directly afterwards.
Fire alarm
Optical smoke sensor: Smoke entry into the detector is indicated as a pre-alarm
state by the LED flashing. If the smoke threshold density is exceeded, a siren sound is
generated, gradually increasing in volume.
Heat sensor: indication logic is equal to that of the smoke sensor.
Alarm memory: It is switched ON/OFF via DIP 2 as shown in the table. If the event
memory is armed at the time of alarm, alarm LED indication continues even if normal
conditions are restored. The indication can be stopped by pressing the button.
Silencing the siren during an alarm: During a fire alarm, the detector LED flashes 2
times briefly and the built-in siren sounds (at a higher intensity than during a test). Under
these conditions the siren can be silenced by pressing the test button for approx. 3sec.
However, if normal conditions are not restored within approx. 10 minutes (the smoke
does not clear from the room or the temperature does not drop), the siren re-activates.
Testing the detector
Testing the detector is automatically performed up to 10 secs after
battery insertion or after changing the settings on the jumpers.The functioning
of the detector can be tested by pressing and holding the test button for approx. 3
seconds. A properly functioning detector responds with one beep and a short flash.
The alarm information is transferred to the system. A fault is indicated by 4 beeps and the
LED permanently flashing. In this case, remove the battery and re-insert it after 1
minute. If the fault indication occurs again (the LED starts permanently flashing after
about 1 minute), consult the installer company.
The detector should be tested this way at least once in every 30 days.
Warning: Never start a fire in a building to test the detector. Instead, use smoke-simulating
aerosols for realistic testing. The information for the control panel is seen as a FIRE zone.
Battery replacement
The detector monitors its battery voltage and if too low, a report is sent to the control
panel and a short acoustic warning signal is emitted every 45 seconds. Battery
replacement should not be delayed by more than two weeks. As mentioned above, the
detector is automatically tested after each battery insertion. Expired batteries should
not be thrown into the garbage, but disposed according to local regulations.
Specification
Voltage 1x AA 1.5 V alkaline battery
Battery lifetime typically 2 years
Working frequency 433.92 MHz
Wireless communication range 100m (in open space)
Smoke detection optical, light dispersion
Smoke sensor sensitivity m = 0.11 - 0.13 dB/m pursuant to EN 14 604
Temperature detection class A2 pursuant to EN 54-5
Fire-alarm temperature +60 °C to +70 °C
Acoustic power of the built-in siren min. 85dB/3m A
Operational temperature range -10 to +70 °C
Dimensions diameter 126 mm, height 65 mm
Complies with EN 14 604, A2 EN 54-5, EN 50130-4, EN 55022
Terms of use ERC REC 70-03
Complies with EN 14 604, A2 EN 54-5, EN 50130-4, EN 55022,
1293-CPD-009
4
JABLOTRON ALARMS a.s. hereby declares that the JA-63S is in
compliance with the essential requirements and other relevant provisions
of Directive 1989/106/EC and 1999/5/EC. The original of the conformity
assessment can be found on the web site www.jablotron.com
, Technical
Support section.
Note: Dispose of batteries safely
depending on battery type and local
regulations. Although this product
does not contain any harmful
materials we suggest you return the
product to the dealer or directly to the
manufacturer after use.
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