fire alarm
Power source: DC9V
This user’s manual contains
SPECIFICATION
Power source: DC9V
Static Current: <10uA
Alarm Current: 10~20mA
Alarm sonority :> 85 db (3m)
Low Voltage Alarm: 7V+0.5V
Working temperature:-10 ~50
WHERE TO INSTALL SMOKE ALARMS
1. At first, you need install them in your bedroom and route way, and should install one item in every bedroom at least.
2. Stairway is
3. You at least require one smoke alarm on every floor, including finished attics and basements.
4. Install one alarm beside every electric facility.
5. Install smoke alarms in the middle of ceiling, because smog , heat and flashes always lift to the top of rooms
6. If some reasons cause you can’t install them in the middle of ceiling, you 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.°C
8. You need install more than one alarm when the length of your hall exceeds 9m.
9. In an oblique roof room, install the alarm 0.9m away from the top. Diagram 2.°C
10. How to install smoke alarms in a removable house. The removable house is short of heat isolation, so you’ d better install the alarm 10-30.5cm away from the ceiling. for safety you need install another one near your bedroom, too;