Fire sound and light alarm and manual alarm button is not supporting the installation? How many squares are distributed Is there any other request for the layout?
3, the ambient noise is greater than 60dB place fire alarm device, the sound alarm sound pressure level should be higher than the background noise 15dB.
2, each fire zone should be set up at least a fire alarm device, its location should be located in the floor walkway near the stairs exit. The alarm device should be manually or automatically controlled.
1, not set fire emergency broadcast fire automatic alarm system, should set fire alarm device.
In general, the installation of a hand newspaper, is the need to sound or alarm, the need to see the scene. If the local small or do not need sound and light warning, you can not. But generally in order to facilitate the evacuation, is the need for sound and light. Can be set, start button does not contact sound and light.
4, each fire partition should be set at least a manual fire alarm button. The distance from any location within a fire zone to the nearest manual fire alarm should not be greater than 30m. Manual fire alarm button should be set at the entrance of public places.
