Conventional Products—6424 Projected Beam Type Smoke Detector 27
This beam smoke detector is designed to activate and initiate emergency
action, but will do so only when used in conjunction with other equipment.
This detector is designed for installation in accordance with NFPA
Standard 72-National Fire Alarm Code.
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Beam smoke detectors will not work without power. Alternating
Current (AC) or Direct Current (DC) powered smoke detectors will
not work if the power supply is cut off for any reason.
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Beam smoke detectors will not sense fires which start where smoke
does not reach the detectors. Smoke from fires in chimneys, in walls,
on roofs, or on the other side of closed doors may not reach the beam
smoke detector’s line of sight and alarm it.
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A detector may not detect a fire developing on another level of a
building. For this reason, detectors should be located on every level
of a building.
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Beam smoke detectors have sensing limitations. Detectors cannot be
expected to provide warnings for fires resulting from inadequate fire
protection practices, violent explosions, escaping gas, improper
storage of flammable liquids like cleaning solvents, other safety
hazards, or arson.
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Test your beam smoke detector system per NFPA 72-National Fire
Alarm Code, or codes and standards applicable to the country or
locality of installation, at least semiannually. Clean and take care of
your beam smoke detectors regularly. Taking care of the fire
detection system you have installed will measurably reduce your
product liability risks.
Limitations
