Home Security Fire Alarm Smoke Alarm
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Home Security Fire Alarm Smoke Alarm

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Product Description

Home Security Fire Alarm Smoke Alarm

Smoke Detector PD-SO929 instruction


The product is a new type of photoelectric smoke detector, When it detects smoke, it will output signal immediately and trigger connected unit to work, which tell you in advance that fire will occurs and avoid unwanted loss, and take you safety and convenience.


Power Supply:DC12V~DC33V
Static Current:17-20μA(24V) 17-23μA(33V)
Working Current:25mA±3mA
Work Temperature:-10℃~+40℃
Working Humidity:<93%RH


1. At first, you need install one item in every bedroom and route way at least.
2. Stairway is important for you to rush out when fires occur, so there must install smoke detector on the top of stairway.
3. You at least require one smoke detector in every space of every floor, including finished attics and basements.
4. Install one detector beside every electric facility.
5. You’d better Install smoke detectors in the middle of ceiling, because smoke always spread up.
6. If some reasons cause you can’t install them in the middle of ceiling, you also need to install them at least 10cm away from the wall.
7. If you like to install them on the wall, they should be installed 10-30.5cm away under the ceiling. Diagram 1.

8. You need install more than one detector when the length of your hall exceeds 9m.
9. In an oblique roof room, install the detector 0.9m away from the top. Diagram 2.
10.How to install smoke detectors in a removable house. The removable house is short of heat isolation, so you’d better install the detector 10-30.5cm away from the ceiling.

1. Where combustion are permitted to produce. For example unventilated kitchens,garages,and furnace.
2. Near fanner.
3. In very damp, humid or steamy areas: Keep units at least 3m away from showers saunas, dishwashers, etc.
4. In very dusty,dirty,or greasy areas.
5. In very drafty areas, where smoke will be blown away from the unit completely.
6. In air-logged areas, that will clog the sensing chamber.
7. Less than 305mm away from fluorescent lights. Electrical “noise” can interfere with the sensor. 
8. In “dead air” space, for example, in Diagram 1, near the corner less than 10cm.
9. In smoking meeting room, don’t install the detector there for the unit will be triggered when several persons smoke.


1. Terminal 1 connect" +"
2. Terminal 2 connect "–"
3. Terminal 6 and 3(4)─relay output terminal.

INSTALLATION(like right above diagram)

1. Push the hole to unlock the hook ,turn it counterclockwise, take down base.
2. According to the number mark on base and connection-wire diagram, connect wire to number corresponding screw with gasket.
3. Fix the base on the selected position.
4. Cover the detector body: make the short line on the base aim at the long line on detector body and turn clockwise until the long line on base aim at the long line on detector body.


1. Power it on system will be in learn state for 3ses with LED indicator sparking, after that LED indicator will blink every 40ses indicating system is in working condition.
2. Catch up the reed pipe with a magnet. The indicator will turn on. Then take away the magnet, the indicator will not turn off until the smoke detector is unloaded.If keep the magnet in th same position all the time, fifteen seconds later, the indicator turns off and flicker to indicate that you can loosen the reed pipe. After loosening the reed pipe, the system being in learn mode,the indicator will flicker four times after learning to indicat learning successfully. (this function should be used carefully)
3. If the indicator doesn’t always light, please check if the magnet using is correct.
4. Simulating smoke test: blow smoke into detector, the LED indicator always light.

1. Test it at least once a week.
2. Clean the smoke detector at least once a month. Gently vacuum off dust using vacuum’s soft brush attachment.
3. Never use water, cleansers to clean your smoke detector since they may damage the unit.

1. It can only tell us that fire will occur so that you can deal with the fire in time and have more time avoiding great loss.
2. It is not safe absolutely, because it can not detect smoke absolutely, during smoke appear  if there is block to obstruct smoke or smoke is taken off by air current, smoke will not reach  the smoke detector.
3. It is not fire extinguisher and also can not sense fire, so you should have the fire-fighting devices to help.

1. Dial telephone to the fire control office.
2. Don’t feel panic, keep calm. Go through the route way planned in advanced and leave  as quickly as possible, don’t waste much time to take things.
3. Feel whether the door is hot or not. If hot, don’t open the door; if not, you also should prevent the flame in and you can choose other route way to flee.
4. With wet towel cover your mouth and nose, don’t inbreathe smoke.
5. After fleeing out ,gather in the indicated place and ensure person is not injured or dead.

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