First Alert SCO1N User Manual page 9

M06_1043_001.E Page 7 Thursday, July 13, 2000 8:20 AM
Do NOT locate this Smoke/CO Alarm:
• Where the temperatures are regularly
below 40˚ F (4˚C) or above 100˚ F (38˚ C)
including unheated buildings, outdoor
rooms, porches, or unfinished attics or
basements. Extreme temperatures may
shorten component or battery life.
• In insect infested areas. Insects can clog
the openings to the sensing chamber.
• Less than 12 inches (305 mm) away from
fluorescent lights. Electrical "noise" can
interfere with the sensor.
Avoiding Dead Air Spaces
"Dead air" spaces may prevent smoke from
reaching the smoke alarm. To avoid dead air
spaces, follow installation recommendations:
install smoke alarms as close to
On ceilings,
the center of the ceiling as possible. If this is
not possible, install the smoke alarm at least 4
inches (102 mm) from the wall or corner.
On a peaked, gabled, or cathedral ceiling,
the first smoke alarm within 3 feet (0.9 meters)
of the peak of the ceiling, measured
horizontally. Additional smoke alarms may be
required depending on the length, angle, etc. of
the ceiling's slope. Refer to NFPA 72 for details
on requirements for sloped or peaked ceilings.
(if allowed by building
For wall mounting
codes), the top edge of smoke alarms should
be placed between 4 inches (102 mm) and
12 inches (305 mm) from the wall/ceiling line,
below typical "dead air" spaces.
install
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