Longsin LS-828-27 User manual

Manual of standalone
LS-828-28LS-828-27 LS-828-29
Thank you for using Longsin’s standalone photoelectric smoke
detector.Please thoroughly read this manual before using the product to make
sure the proper installation and avoid the damage on the product or other
accidents causing by the misoperation.
Please keep this manual for the daily use.
Standalone photoelectric smoke detector (hereinafter referred to as detector
) use high-performance ultra-low power consumption smart microprocessor
working with the
precise photoelectric sensor to process the collecting smoke concentration
independently:Low-power consumption , stable performance, beautiful and
durable casing. The smoke detector is powered by 1pc 3V CR17335 lithium
battery, continuous for more than 10 years.This detector is widely used in internet
bars, dancing halls, cafes, leisure rooms, residential areas etc.
The detector is not suitable in the following locations:
·There is smoke under the normal circumstances.
. The place is dusty,misty,greasy or have corrosive gas.
· The relative humidity is more than 95% or the place is extremely cold or
extremely hot.
·The ventilating speed is more than 5m /s
I. Overview
II.Working principle
smoke.the infrared emitting tube and the receiving tube are installed on the
smoke chamber at an angle. Under the smoke-free environment, the infrared
receiver tube can hardly receive the signal from the infrared emitting tube. when
there is a fire ,the smoke will come into the chamber.
Since the response of the smoke to the infrared light scattering effect,the
infrared receiver tube can receive a weak signal amplied by the amplier,then the
smart micro processor will identify the threshold level.when arrives or exceeds
the threshold level,the buzzer will emit a alarm sound .
III.Technical parameters
Power supply: 1PC 3V Cr17335 lithium battery
Alarm sound pressure: 80dB at 3m straight ahead
Battery life: 10 years
Working environment: -10 ℃~ 50 ℃, <95% RH (no condensation)
Output method: sound and flash
Performance standard: GB20517-2006
IV.Dimension
80mm
51mm
80mm
50mm
80mm
53mm
LS-828-28
LS-828-27 LS-828-29
V. Installation and adjustment
The detector adopts the principle of infrared light scattering to detect the
Installation environment: For the general places,the height is below 6m,the
protection areas is 60m ². The alarm should be installed on the ceiling. The speci
c parameters should be based on the (GB50116-2013) Code for Design of
Automatic Fire Alarm System.
photoelectric smoke detector

installation method:
• Place the alarm base on the chosen areas on the ceiling and mark notes
along with the installation holes with a pencil.Then take out the bottom cover and
dig two installation holes in the middle of the notes.And x the base with expansion
plugs and tapping screws.
• Press and hold the self-test button, the alarm led indicator ashes fast with
harsh alarm sound which means the detector works properly.
If it is not normal,please check the
assembling .
After the test,, rotate the detector counterclockwise on the mounting base
then fasten it.
A:base board
Fix the base board on the ceiling
with screws then rotate the detector
clockwise on the base board.
2
B:detector
VI.Instructions
· Normal state: the detector starts working when the batteries are properly
assembled. The red led indicator once every 340seconds .
· Self-test state: press and hold the self-test button, the red LED indicator
uickly, the detector beeps 3 times every each 1.5 seconds.
· Fault state: the red LED once every 45 seconds along with a “beep”
which means the battery voltage and power is low.Please change the battery or it
will affect the detector’s working.
Al ar m sta te :w he n th e de tec to r de te ct s the smo ke s fo r th e ce rta in
concentration,the detector emits alarm sound(alarm signal is the same as the
self-test state)
Alarm memory function:when the detector detects the smoke and
alarms,then the smoke is cleared,the green LED indicator flashs 3times(about
1s) every minute.In order to reduce the power consumption,the green LED will
stop flashing automatically after 24hs.Or you can press the self-test button,the
green LED is flashing.After short and continuous sound, release the button.The
detector exits the memory state.
Silence state:Under the alarm state,press the self-test button,the detector
will come into the silence state.The red LED will flash once every 10
seconds.The silence state exits after about 70seconds.If the detector detects the
higher smoke concentration,it will alarm again.
VII Fault analysis and troubleshooting
The red LED flashs once every 45 seconds along with a “beep” which means
the battery voltage and power is low.Please change the battery.
.
Frequent false alarm:it means there is too much dust in the sensor.Please
use the vacuum cleaner to clean the chamber (the black plastic shell).
No response when press the button: Please check the battery installation to
see if it is reversed, poor connection ,weeping or the connector is rusty.Or the
battery power is low ,you can check with the new battery.
VIII Maintenance
During using,if there is any fault happens,please contact the supplier
immediately.Do not uninstall it and fix it by yourself in case of any accidents.
Please press the self-test button to test the detector once a month.If there are
faults,please get fixed immediately.
IX. Transportation and storage
The detectors should be transported or stored according to the regulation of
the GB / T13384 - 2008 of(General specifications for packing of mechanical and
electrical product)
The original packing and seal should be maintained the same as the factory
supplying and make sure there is no strong impact on the detectors.
Avoid an abrupt change of ambient air temperature
Do not stack up more than 6 cartons.
Do not stack up more than 5 pieces.
1*Alarm (including base) 1 * manual
2 *Expansion plugs 2* Self-tapping screws
1* Base fixing bolt
X. Accessories
XI.Manufacturer information
Company: Shenzhen Longsin Intelligence Technology Co., Ltd.
Address: 4 / F, Building 2, Kaijieda Industrial Zone, Huaxing Road, Longhua New
District, Shenzhen, China
Tel:[phone]
and screw the hole
of the base screw on the 1.7*6ka screw battery
flashed
flashes q
flashes