3. Heat, smoke and anything burning will spread horizontally after rising to the ceiling,
so install the alarm in the middle of the ceiling where possible. Ensure that the alarm
is installed at the minimum distance away from the corner.
4. If an alarm cannot be installed in the middle of a ceiling, install it at a distance of
20 inches (50 cm) away from the corners of the room.
5. If an alarm is installed onto a wall, a distance of 4–12 inches (10–30 cm) should be
kept below the ceiling.
6. If the length of a room or hall is beyond 30 feet (900 cm), several alarms should be
installed in the same room.
7. When the wall or ceiling is angled, the alarm needs to be installed within 3 feet
(90 cm) of the highest wall or ceiling point (measured horizontally) in the room.
NOTE: If you install the alarm on a sloped ceiling, place it at least 4 inches (10 cm) from the
peak. Keep the device at least 5 feet (1.5 m) from potential heat sources such as stoves,
furnaces, water heaters, and space heaters.
1. In areas where temperatures may be below -20°F (-28.9°C) or above 100°F (37.8°C).
2. In front of forced air ducts for heating and air conditioning systems, near ceiling fans,
or other high airflow areas.
3. Near fluorescent lighting—the heat generated by fluorescent lighting may cause a
false alarm.
Locations to Avoid
Improper location can have a negative impact on device performance and may cause
false alarms. To promote accurate detection and full protection of your home, do not
install this heat alarm:
15
14
