Joblotron JA-82ST Manual

Joblotron Overvågningskamera JA-82ST

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The JA-82ST wireless combined smoke and heat detector MZZ57300

The JA-82ST wireless combined smoke and heat detector

The JA-82ST is a wireless component of the JABLOTRON ALARMS

OASIS security system. It is used to detect fire hazards in the interior of

residential or commercial buildings. It is not designed to be installed in

industrial premises. The JA-82ST detector uses wireless communication

and it is powered with three AA 1.5V alkaline batteries.

The JA-82ST consists of two independent detectors – an optical

smoke detector and a heat detector. The optical smoke detector works on

the principle of scattered light and is very sensitive to large dust particles

which are present in dense smoke. It is less sensitive to smaller particles

generated by the combustion of liquids such as alcohol. That is why there

is also a built-in heat detector which has a slower reaction but is much

better at detecting fire which generates heat quickly with a small amount

of smoke. The microprocessor performs digital analysis of these values

which markedly increases false alarm immunity.

Detector range

The smoke detector must be installed so that any smoke easily drifts

into the detector, e.g. on the ceiling. It is suitable for residential buildings

but not suitable for free spaces, outdoor environments or interiors with

extremely high ceilings (above 5 m) where fire by-products can disperse

over a large area – the smoke would not reach the detector position.

The detector must always be placed in the section leading to the exit

of the building (escape route), see Figure 1. If the building has a floor

area greater than 150 m2, installation of an additional detector in some

other suitable place is required, see Fig.2.

3 3

Fig 1

13 3

Fig 2

1-kitchen

2-living room

3-bedroom

4-children’s bedroom

- Basic security

- For more security

Fig 3

For large buildings it is recommended to place additional detectors in

rooms where people sleep and in rooms with an increased risk of fire -

see Fig.3.

Installation on level ceilings

Place the detector in the centre of the room if possible. The detector

must not be recessed into the ceiling due to the possible existence of a

cool air layer on the ceiling. Never place the detector in the corner of

the room though (always keep at least a 0.5 m distance from the corner)

see Fig 4.

Installation on sloping ceilings

If the ceiling is not suitable for mounting on a level surface (e.g. a

room under a roof ridge), the detector can be installed as in Fig. 5

0.5m

TOP

Fig 4

0,9 m

Fig 5

centre of the room, best location acceptable location

Walls, partitions, barriers and lattice ceilings

The JA-82ST detector 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. Any irregularities of the

ceiling (e.g. girders) exceeding 5 % of the ceiling height shall be

considered a wall and the above mentioned limitations shall apply.

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, etc.)



places exposed to dust, ci

garette smoke or steam

 places with over-intense air circulation (close to ventilators, heat

sources, air conditioning outlets, etc.)

 in kitchens and other cooking places (because steam, smoke or oily

fumes can reduce detector sensitivity).

 beside fluorescent lights (electrical interference can cause a false

alarm)

 in areas with lots of small insects

Please note: Most false alarms are caused by improper

detector location.

See CEN/TS 54-14 standards for detailed installation guidelines.

Installation

The detector should be installed by a trained technician with a valid

certificate issued by an authorized distributor. Abide by the procedures

recommended in the previous paragraphs.

1 2

1400- 00- 0000- 00 01

INS

MEM

SMOKE

TEMP

+ -

Fig 6: 1– detector cover opening; 2 – detector cover closing; 3 – optical status

signalling; 4 – arrow showing where to insert the detector; 5 – enrollment code; 6 –

configuration terminals; 7 – battery holders

1. open the detector cover, by turning it anti-clockwise (1)

2. attach the removed plastic base to the desired place with screws (not

shown above).

3. set the configuration terminals (6) according to the table below.

4. Proceed according to the control panel installation manual. Basic

procedure:

a. Switch on the enrollment mode in the control panel.

b. When you insert all batteries into the detector, the enrollment code

is sent to the system – its sending is confirmed with a short flash of

the LED indicator (3).

c. The control panel confirms the enrollment with a flashing of the “A“

LED on the system keypad at the corresponding position.

5. Insert the detector into the plastic base. The detector can be inserted in

the plastic base in one position only. It is marked with arrows (4) on both

plastic parts. Close the detector cover by turning it clockwise (2).

Note: The detector can also be enrolled into the system by entering its

enrollment code (5) in the O-Link program. (Enter the last 8 digits under

the bar code).

Detector setting

The detector properties can be set in the Detectors window in the

O-Link program and with the configuration terminals.

ON Instant alarm 3 OFF

1OFF Fire alarm 4 OFF

smoke (EN 54-7) or

heat (EN 54-5)

ON memory enabled 3 ON

2OFF memory disabled 4 OFF

smoke only (EN 54-7)

(not heat)

3 OFF

4 ON

heat only (EN 54-5) (not

smoke)

3 ON

INS

MEM

SMOKE

TEMP

4 ON

Both smoke and heat

(both conditions at the

same time)

The JA-82ST wireless combined smoke and heat detector MZZ57300

1: The INS alarm mode jumper sets the reaction of the system. FIRE =

alarm is triggered even if the system is disarmed while INST = alarm is

triggered only in an armed system. The INS jumper only has an effect if

the detector has a natural reaction assigned to its address in the Oasis

control panel. It also has no effect when used with a UC-8x or AC-8x

receiver.

Warning: In the INS position, while the system is disarmed, it is not

protecting against fire. This setting also fully disables the optical

and acoustic indication on the detector itself.

2: MEM Alarm memory: If the event memory is ON at the time of alarm,

alarm LED indication continues even if normal conditions are restored.

The indication can be stopped by pressing the button (indication is valid

only for FIRE settings).

3 and 4: SMOKE / TEMP sensor participation

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 (indication is valid only for FIRE

settings).

Temperature sensor:

indication logic is equal to

that of the smoke sensor. Whenever the detector cover is opened, a tamper signal is sent.

Fire alarm

Optical detector: When smoke penetrates into the detector, the

detector starts flashing red and sending an alarm signal.

Heat detector: When the temperature reaches the set limits, the

detector starts flashing red and sending an alarm signal.

Alarm memory

: If it is enabled, alarm indi

cation with slow flashing

continues for a further 30 minutes even when the smoke clears. The

indication can also be terminated by turning the detector anti-clockwise to

activate the tamper sensor.

Tamper alarm: When the detector cover is opened, the detector

sends a tamper signal.

Detector testing and maintenance

The functioning of the detector can be tested with a special spray

designed for smoke detector testing to simulate fire. The test should be

carried out once in 30 days. The detector’s cover should be cleaned

regularly from dust.

Warning: never test the detector with fire.

Battery replacement

The system sends a report automatically when the battery is low.

Optical indication then flashes briefly once every 30 seconds. Remember

to switch the system to Service mode before changing the batteries

(otherwise a tamper alarm will be triggered). It is always essential to

replace all three batteries. Use the same type and the same brand for all

three. When all batteries have been inserted into the detector, a test is

carried out automatically. The test checks the battery voltage and the

sensor status and the information is then sent to the control panel.

Fault indication

The detector checks its functioning. If it detects a fault, its Optical

indication starts flashing rapidly for 1 minute and then it flashes briefly

three times every 30 seconds. In such a case, take out the battery for 1

minute and then insert it again. If the LED indicator starts flashing again

after 1 minute, send the detector to a service centre.

Technical specifications

Power 3 x AA 1.5V; 2.4Ah alkaline batteries

Typical lifetime approx. 3 years

Communication band 868.5 MHz, OASiS protocol

Communication range approx. 300 m (unrestricted area)

Dimensions diameter 126 mm, height 50 mm

Smoke detection optical light scattering

Smoke detector sensitivity m = 0.11 - 0.13 dB/m according to EN 54-7

Heat detection class A2 according to EN 54-5

Alarm temperature +60°C to +70°C

Operating temperature range -10°C to +80°C

Complies with EN 54-5, EN 54-7, EN 54-25,

Also complies with ETSI EN 300220, EN 50130-4

EN 55022, EN 60950-1

Can be operated according to ERC REC 70-03

1293-CPD-0250

JABLOTRON ALARMS a.s. hereby declares that the JA-82ST detector is in compliance

with the essential requirements and other relevant provisions of Directives 1989/106/EC

and 1999/5/EC. The original of the conformity assessment can be found at

www.jablotron.com - Technical Support section

Note: Although this product does not contain any harmful materials

we suggest you return the product to the dealer or directly to the

producer after use. For more detailed information visit

www.jablotron.com.

Produkt Specifikationer

Mærke:	Joblotron
Kategori:	Overvågningskamera
Model:	JA-82ST

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