JABLOTRON ALARMS a.s.
Pod Skalkou 4567/33 46601 Jablonec n. Nisou
Czech Republic www.jablotron.com
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The JA-151ST-A Wireless combined smoke and heat detector
The JA-151ST Wireless combined smoke and heat detector 3/3 MLW25101
Alkaline batteries are suitable for normal use. FR6 lithium batteries are
more suitable for installations, where the temperature is usually lower
than 5°C in the long term (batteries then have a shorter lifetime).
Do not throw used batteries into ordinary household waste.
Deposit them at authorized collection points.
Removal of the detector from the system
The system reports any possible loss of connection with the detector.
If you have physically removed it on purpose, you also have to erase
it from the corresponding position in the control panel, see the control
panel installation manual.
Detector reset
This device can also be reset by a user. Resetting will revert it back
to factory default settings including erasing the control panel from
the detector’s internal memory.
A reset can only performed immediately after the batteries have been
inserted into the detector. A reset is done by pressing a button 5 times,
however the first press must happen within one second of the yellow LED
lighting up. It is visible through a grill on the detector. Each press is
confirmed by a beep and a successful reset will be confirmed by 5 brief
beeps at the end of the whole cycle.
Using an external antenna
It is possible to connect an external antenna (AN-868) to the detector
in order to increase communication stability between the control panel
and the detector. Insert the antenna into the connector (6)
on the detector’s PCB. The antenna will be detected when the detector
is closed (the tamper contact is in standby mode). When the external
antenna is detected, RF transmission will be directed to it and
the detector will regularly check whether it is connected to the detector.
The moment the antenna is torn off or short-circuited, the RF
transmission will be switched to the internal antenna and a tamper
signal will be sent to the control panel. If the detector has been closed
without an external antenna connected, the RF transmission will
be permanently switched to the internal antenna.
Technical specifications
Power 3 x Alkaline battery type LR6 (AA) 1.5 V/2.4 Ah
3 x Lithium battery type FR6 (AA) 1.5 V/3.0 Ah
Please note: Batteries are not included
Typical lifetime 3 years
Communication band 868.1 MHz, Jablotron protocol
Communication range approx. 300 m (open area)
Dimensions diameter 126 mm, height 50 mm
Weight 150 g
Smoke detection optical light scattering
Smoke detector sensitivity m = 0.11 - 0.13 dB/m
pursuant to EN 14604:2005, EN 54-7
Heat detection class A1 according to EN 54-5
Alarm temperature + 60 °C to +65 °C
Operating temperature range -10 °C to +70 °C
Complies with EN 54-5, EN-54-7, EN-25
Also complies with ETSI EN 300 220-2, EN 50130-4,
EN 55022 and EN 60950-1
Can be operated according to ERC REC 70-03
1293-CPR-0540
JABLOTRON ALARMS a.s. hereby declares that the
JA-151ST-A is in a compliance with the relevant European
Union harmonisation legislation: Directives No: 2014/53/EU,
2014/35/EU, 2014/30/EU, 2011/65/EU. The original of the
conformity assessment can be found at www.jablotron.com -
Downloads 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.
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