Product Description

1. Product Description

The product is smoke detector, it can send out sound and light alarm signal in the early stage of the fire if properly installed and maintained, in that case you will have extra time to control the fire or to evacuate at once. This product is designed for household or similar residential application use.

2. Techinical Data

Model No.	LZ-1902
Standard	EN-14604:2005/AC:2008
Voltage	DC9V
Standby Current	<=10uA
Alarm Current	<=3mA
Sensor Type	photoelectric
Temperature	-10ºC~+40ºC
Ambient Humidity	<=95%R.H
Alarm Indication	Red LED & Buzzer
Sound Pressure	>=85dB(around 3m)
N.W.	89g(not incl. batttery)
Product Size	Φ100*36.7mm
Installation Way	Ceiling Mounting

3. Installation method

Choose the right installation placement.
Drill 2 round holes with 5mm diameter on the ceiling. ( Distance between the two holes is 75-80 mm)
Use the enclosed two expansion rubber and plugs into the holes.
Install the mounting bracket of the smoke detector on the ceiling. by using the two screws enclosed.
Install the smoke detector battery to the mounting bracket. Note: Step 3 and 4 can be ignored if it is mounted on a wooden ceiling.

4. Test Function

Put the 9 V battery into the detector, LED will flash once every 30 seconds and the alarm won't make any sound, which indicating the detector will work in normal standby condition.
Press the test button and keep for a while, then the smoke detector will flash and 5 seconds later the alarm will emit a sound, when the sounder emits three consecutive sounds, release the test button, the detector will stop alarm within seconds.

5. Maintenance

It is recommended to press the test button every week to check the smoke detector works correctly.
To ensure the sensitivity of the product, clean the surface of the detector with soft brush every month.
The smoke detector is with fault detection function. When the smoke sensor is short circuited or disconnected, the detector will automatically detect and send a fault signal. For example alarm will emit a beep between two flashes. When the battery voltage is too low, the detector will periodically send out low voltage fault signals. For example LED flashes every 30s and alarm emits a beep, in this case battery should be replaced accordingly.