C-9105R
Conventional Reflective Beam Detector
Installation and Operation Manual
The Intelligent Solution
23
Appendix 1 Warnings
Limitations of Smoke Detector
The smoke detector is designed for triggering and initiating
emergency fire equipments, but it only functions when matching with
other equipments. Installation of this smoke detector must conform
to electrical codes and standards in your country.
The smoke detector cannot work without power. It cannot work if
power is cut off for any reason.
The smoke detector may not sense fire that starts where smoke
cannot reach it, such as in chimneys, in walls, on roofs, or on the
other side of closed doors.
The detector also may not sense a fire on another level of a building.
Therefore, detectors should be placed on every level of a building.
All types of smoke detector have limitations. Because fires develop
in different ways and are often unpredictable in their growth, it is
impossible to predict which type of detector will provide the earliest
warning. No types of smoke detector can sense every kind of fire
every time. Generally speaking, detectors may not warn you about
fires caused by insufficient safety measures, violent explosions,
leaking gas, improper storage of flammable materials like diluents
and other safety hazards, arson or children playing with fire. The
alarm of a smoke detector used in high velocity environment will be
delayed due to dilution of smoke by frequent and fast airflow. What’s
more, the smoke detector has to be maintained frequently because
there will be more dust contamination.
The smoke detector cannot last forever. In order to keep the detector
working in good condition, please maintain the equipment
continuously according to recommendations from manufacturer and
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