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• NFPA 72 states: “Smoke alarms in rooms with ceiling slopes
greater than 1 ft in 8 ft (.3m in 2.4 m) horizontally shall be
located on the high side of the room.” NFPA 72 states: “A row
of detectors shall be spaced and located within 3 ft (0.9m) of
the peak of the ceiling measured horizontally.”
MOBILE HOME INSTALLATION
Modern mobile homes have been designed and built to be energy
efficient. Install smoke alarms as recommended above (see figures
1 and 2).
In older mobile homes that are not well insulated compared to
present standards, extreme heat or cold can be transferred from
the outside to the inside through poorly insulated walls and roof.
This may create a thermal barrier which can prevent the smoke
from reaching an alarm mounted on the ceiling. In such units,
install the smoke alarm on an inside wall with the top edge of the
alarm at a minimum of 4” (10 cm) and a maximum of 12” (30.5
cm) below the ceiling (see figure 1).
If you are not sure about the insulation in your mobile home, or if
you notice that the outer walls and ceiling are either hot or cold,
install the alarm on an inside wall. For minimum protection, install
at least one alarm close to the bedrooms. For additional
protection, see SINGLE FLOOR PLAN in figure 2.
WARNING: TEST YOUR SMOKE ALARM OPERATION
AFTER MOBILE HOME HAS BEEN IN STORAGE OR UNOCCU-
PIED AND AT LEAST ONCE A WEEK DURING USE.
2. LOCATIONS TO AVOID
• In the garage. Products of combustion are present when you
start your automobile.
• Less than 4” (10cm) from the peak of an “A” frame type ceiling.
• In an area where the temperature may fall below 40ºF or rise
above 100ºF, such as garages and unfinished attics.
• In dusty areas. Dust particles may cause nuisance alarm or
failure to alarm.
• In very humid areas. Moisture or steam can cause nuisance
alarms.
• In insect-infested areas.
!
0910-7225-01(21008311B)_EN_V7.qxd:_ 2016.12.14 9:46 AM
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