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- 4 Precautions at the time of installation
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4 Precautions at the time of installation
Last updated on June 22, 2023.
When installed on the ceiling
The center of the residential fire alarm is located at least 60 cm away from the wall.
If there is a beam, etc., install it at least 60 cm away from it.
When installing near the outlet of an air conditioner, etc., smoke flows by the blowing wind.
Please keep it at least 1.5m as it may not be possible to detect it effectively.
When installing on a wall
Since smoke is hard to stay at the corner of the ceiling, the center of the residential fire alarm is located.
Install it so that it comes between 15cm and 50 from the ceiling.
Be careful!
・When installing in a place where smoke or steam is likely to occur, such as in the kitchen, avoid direct smoke or steam when cooking.
About installation support
Fire Bureau provides support to those who have difficulty installing it on their own. 
Inquiries to this page
Prevention Division, Fire Bureau Prevention Department
Phone: 045-334-6406
Phone: 045-334-6406
Fax: 045-334-6610
E-Mail address [email protected]
Page ID: 718-871-010
