DSC PC1510 Installation Manual page 9

GUIDELINES FOR LOCATING SMOKE DETECTORS
Experience has shown that all hostile fires in family living units
generate smoke to a greater or lesser extent. Experiments
using typical fires in family living units indicate that detectable
quantities of smoke precede detectable levels of heat in most
cases. For these reasons, smoke detectors should be installed
outside of each sleeping area and on each additional story
of the family unit.
The following information is for general guidance only and it is
recommended that the smoke detector manufacturer's literature
be used for detailed installation instructions.
It is recommended that additional smoke detectors beyond
those required be installed for increased protection. The
added areas include: basement, bedrooms, dining rooms,
furnace room, utility room and hallways not protected by the
required detectors.
A smoke detector should be located between the sleeping A smoke detector should be located between the sleeping A smoke detector should be located between the sleeping
A smoke detector should be located between the sleeping A smoke detector should be located between the sleeping
area and the rest of the family unit. area and the rest of the family unit. area and the rest of the family unit. area and the rest of the family unit. area and the rest of the family unit.
In the family living units with more than one sleeping area, In the family living units with more than one sleeping area, In the family living units with more than one sleeping area, In the family living units with more than one sleeping area, In the family living units with more than one sleeping area,
a smoke detector should be located to protect each a smoke detector should be located to protect each a smoke detector should be located to protect each a smoke detector should be located to protect each a smoke detector should be located to protect each
sleeping area. sleeping area. sleeping area.
sleeping area. sleeping area.
A smoke detector should be located on each story of the A smoke detector should be located on each story of the
A smoke detector should be located on each story of the A smoke detector should be located on each story of the A smoke detector should be located on each story of the
living unit. living unit. living unit.
living unit. living unit.
Smoke Detector mounting - "Dead" Air Space. The smoke Smoke Detector mounting - "Dead" Air Space. The smoke Smoke Detector mounting - "Dead" Air Space. The smoke Smoke Detector mounting - "Dead" Air Space. The smoke Smoke Detector mounting - "Dead" Air Space. The smoke
from a fire generally rises to the ceiling, spreads out from a fire generally rises to the ceiling, spreads out from a fire generally rises to the ceiling, spreads out from a fire generally rises to the ceiling, spreads out from a fire generally rises to the ceiling, spreads out
across the ceiling surface and begins to bank down from across the ceiling surface and begins to bank down from across the ceiling surface and begins to bank down from
across the ceiling surface and begins to bank down from across the ceiling surface and begins to bank down from
the ceiling. The corner where the ceiling and wall meet the ceiling. The corner where the ceiling and wall meet the ceiling. The corner where the ceiling and wall meet the ceiling. The corner where the ceiling and wall meet the ceiling. The corner where the ceiling and wall meet
is an air space into which the smoke may have difficulty is an air space into which the smoke may have difficulty
is an air space into which the smoke may have difficulty is an air space into which the smoke may have difficulty is an air space into which the smoke may have difficulty
penetrating. In most fires, this "dead" air space measures penetrating. In most fires, this "dead" air space measures penetrating. In most fires, this "dead" air space measures penetrating. In most fires, this "dead" air space measures penetrating. In most fires, this "dead" air space measures
about 4 in. (0.1m) along the ceiling from the corner and about 4 in. (0.1m) along the ceiling from the corner and about 4 in. (0.1m) along the ceiling from the corner and about 4 in. (0.1m) along the ceiling from the corner and about 4 in. (0.1m) along the ceiling from the corner and
about 4 in. (0.1m) down the wall as shown in Figure 4. about 4 in. (0.1m) down the wall as shown in Figure 4.
about 4 in. (0.1m) down the wall as shown in Figure 4. about 4 in. (0.1m) down the wall as shown in Figure 4. about 4 in. (0.1m) down the wall as shown in Figure 4.
Detectors should not be placed in the dead" air space. Detectors should not be placed in the dead" air space. Detectors should not be placed in the dead" air space. Detectors should not be placed in the dead" air space. Detectors should not be placed in the dead" air space.
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