Categories: ELRO

ELRO CBFS25 Smoke Alarm with Magnet Instruction Manual

Instruction Manual
With magnet

Fire Safety  14604:2005 + AC:2008

Follow instructions ensure proper install tented use: Fire detect warning for household or similar resident applicable regular consulted.
Nominal candy, Response delay (response erformance under fire condition reliability – Tolerance to supply voltage – Durability of operational reliability and response delay, temperature resistance, Vibra resistance, humidity resistance, corrosion resistance, electrical stability.


Sitwell Electronics CO., Limited
No.666 Qingfeng Road, Jiangbei District,
Ningbo, Zhejiang Province, China 315034

ELRO Europe |
Postbus 9607 – Box E800
1006 GC Amsterdam The Netherlands

Activate before use!

Press and hold test buon units up, then release immediately.

Overview LED & acoustic signaling

Operating mode LED signal (flash) Acoustic signal (beep) Description mode
Normal I x per 40 seconds None Device is functioning properly
Test I x per second (3 x), pause of 1,5 seconds I x per seconds (3 x), pause of 1,5 seconds Device is being tested
Alarm I x per second (3 x), pause of 1,5 seconds I x per seconds (3 x), pause of 1,5 seconds Device has detected smoke
Alarm silence 1 x per 8 seconds None Alarm signal is muted
Low battery 1 x per 40 seconds(simultaneously with beep) I x per 40 seconds (simultaneously with flash) Battery is running low
Low battery warning silence None None Low battery warning is muted
Fault warning 1 x per 40 seconds(alternating with beep)” 1 x per 40 seconds (alternating with flash)” Device is not functioning properly


Recycling and disposal: The WEEE symbol means that this product and batteries must be disposed of separately from other household waste. When it reaches its end of life, take it to a  designated waste collection in your area to guarantee safe disposal or recycling. Protect the environment, human health and natural resources!
Read the manual before use and store it in a safe place for future use and maintenance.
Download Declaration Performance (DoP) at



  • To prevent injury, this apparatus must be securely attached to the ceiling in accordance with the installation instructions.
  • Batteries shall not be exposed to excessive heat such as sunshine and fire.
  • Battery lifetime shortens without monthly test.
  • Keep away from air conditioning/ventilation.
  • Do not paint or cover the device.
  • Consult local regulations.


A false alarm is often caused by dust or steam. In case of doubt: Leave the building and take action! Additional mounting instructions: Corridor max width 3m: Max 15m between 2 alarms. Max. 7,5m to front side and alarms at edges/crossings of corridors. Galleries: Length and width >2m and >16m2, additional alarms below gallery. Partial roof slopes: Flat ceiling 51m wide, consider as roof slope. Flat ceiling >lm wide, consider asflat ceiling.

Documents / Resources

ELRO CBFS25 Smoke Alarm with Magnet [pdf] Instruction Manual
CBFS25, Smoke Alarm with Magnet

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