Kidde KN-COPE-D User Manual download pdf (Page 12)

Smoke Alarm

The smoke alarm monitors the air for products of combus-

tion that are produced when something is burning or smol-

dering. When smoke particles in the smoke sensor reach a

specified concentration, the alarm/voice message warning

system will sound, and be accompanied by the flashing red

LED light. The smoke alarm takes precedence when both

smoke and carbon monoxide are present.

NFPA 72 states: Life safety from fire in residential occupan-

cies is based primarily on early notification to occupants of

the need to escape, followed by the appropriate egress

actions by those occupants. Fire warning systems for

dwelling units are capable of protecting about half of the

occupants in potentially fatal fires. Victims are often inti-

mate with the fire, too old or young, or physically or men-

tally impaired such that they cannot escape even when

warned early enough that escape should be possible. For

these people, other strategies such as protection-in-place or

assisted escape or rescue are necessary.

• Smoke alarms are devices that can provide early warning

of possible fires at a reasonable cost; however, alarms

have sensing limitations. Ionization sensing alarms may

detect invisible fire particles (associated with fast flaming

fires) sooner than photoelectric alarms. Photoelectric

sensing alarms may detect visible fire particles (associated

with slow smoldering fires) sooner than ionization alarms.

Home fires develop in different ways and are often unpre-

dictable. For maximum protection, Kidde recommends

that both Ionization and Photoelectric alarms be installed.

• A battery powered alarm must have a battery of the spec-

ified type, in good condition and installed properly.

• Smoke alarms must be tested regularly to make sure the

batteries and the alarm circuits are in good operating

condition.

• Smoke alarms cannot provide an alarm if smoke does not

reach the alarm. Therefore, smoke alarms may not sense

fires starting in chimneys, walls, on roofs, on the other

side of a closed door or on a different floor.

Smoke Alarm Features

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Kidde KN-COPE-D User Manual Page 12