Lexing LX928-D Скачать руководство пользователя страница 1

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.

Summary

Power source: DC12V~DC33V 

Static current:

60uA 

Alarm current: ≤30mA      

Working temperature:-10°C~40°C

Working humidity: 10%-95%RH non-condensing

Double indicator.

Specifications

Product size

26.8mm

45.5mm

φ

100.4mm

63.5mm

79.5mm

Where fit to install smoke detector

1. First, you need to install at least one item in each 

bedroom and route.

2. When a fire breaks out, the stairs are important for 

you to rush out, so you must install a smoke detector 

on top of the stairs.

3. At least one smoke detector is required for each 

space on each floor, including the finished attic and 

basement.

4. Install a detector next to each electrical facility. 

You'd better install a smoke detector in the middle of 

the ceiling because the smoke will always spread.

6. If for some reason you are unable to install it in the 

middle of the ceiling, you will also need to install them 

at least 10 cm from the wall.

7. If you want to mount them on the wall, install them 

10-30.5 cm below the ceiling. figure 1.

8. When your hall is more than 9 meters long, you need 

to install multiple detectors.

9. In a sloping roof room, install an alarm that is 0.9 

meters from the top. figure 2.

10. How to install a smoke detector in a detachable 

house. The mobile house lacks insulation, so you'll 

better install the detector 10-30.5 cm from the ceiling.

BEST HERE

CEILING

10

C

M

(4

'')

30

.5

C

M

(1

2'

')

SIDE WALL

M

A

X

IM

U

M

ACCEPTABLE HERE

NEVER HERE

M

IN

IM

U

M

MINIMUM

10CM(4'')

 figure 1.

IN THIS AREA

0.9M(3ft)

0.9M(3ft)

FROM PEAK

HORIZONTAL DISTANCE

ANYWGERE

 figure 2.

Where not fit to install smoke detector

1. At or near the place where the burning particles 

often exist, such as: kitchen, garage (exhaust gas), 

stove, water heater or near the oiler.

3. In a humid or humid place; or near a bathroom with 

a shower.

4. In a dusty, dirty or greasy place.

5. In very ventilated areas, the smoke will blow away 

completely from the unit.

6. In the air recording area, this will block the sensing 

chamber.

7. The distance from the fluorescent lamp is less than 

305mm. Electrical “noise” can interfere with the sensor.

8. In the "dead air" space, for example, in Figure 1, less 

than 10 cm near the corner.

9. The smoke detector is easy to detect in the smoking 

room.

LX928-D

Smoke Detector

 R

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