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11. Recognizing Nuisance Alarms

Smoke Nuisance

This model meets the latest residential smoke alarm standards, which includes enhanced resistance

to nuisance alarms from cooking.

HUSH

: If you know why the alarm is sounding, and you can verify that it is not a life threatening sit-

uation, you can push the button on the initiating unit to silence the alarm for 8-10 minutes. If the smoke

is not too dense, that unit, and all interconnected units will silence. After the Hush

period, the smoke

alarm will automatically reset and sound the alarm if particles of combustion are still present. You can

use Hush

repeatedly until the air has been cleared of the condition causing the alarm.

NOTE: Dense smoke will override Hush

and sound a continuous alarm. If no fire is present,

check to see if one of the reasons listed in “Locations to avoid” may have caused the alarm.

If a fire is discovered, get out and call the fire department or 911.

This alarm is designed to minimize nuisance alarms. Cigarette smoke will not normally cause the unit

to alarm, unless the smoke is blown directly into the alarm. Combustion particles from cooking may set

off the alarm if it is located too close to a cooking appliance. Large quantities of combustible particles

are generated from spills or when broiling. Using the fan on a range hood which vents to the outside

(non-recirculating type) will also help prevent nuisance alarms from occurring by removing these com-

bustible products from the kitchen.

Carbon Monoxide (CO) Nuisance

RESET: Pushing the button during CO alarm allows the unit to reset calculations and double check

for the presence of CO. If the unit re-alarms within 6 minutes, it is sensing high levels of CO which can

quickly become a dangerous situation. Move to fresh air and call 911.

WARNING: IT IS IMPOSSIBLE TO DETERMINE THE SOURCE OF A CO ALARM USING

SIGHT OR SMELL. ALWAYS CONSIDER A CO ALARM EVENT AS DANGEROUS.

CO ALARM SENSOR RESPONSE TIMES

At 70 PPM, the unit must alarm within 60-240 minutes.

At 150 PPM, the unit must alarm within 10-50 minutes.

At 400 PPM, the unit must alarm within 4-15 minutes.

Kidde 30CUA10 User Manual

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