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• To keep your equipment in excellent working order, ongoing maintenance is

required per the manufacturer's recommendations and UL and NFPA stan-

dards. At a minimum, the requirements of Chapter 7 of NFPA 72, the National

Fire Alarm Code, shall be followed. A preventative maintenance agreement

should be arranged through the local manufacturer's representative. Though

smoke detectors are designed for long life, they may fail at any time. Any

smoke detector, fire alarm equipment, or any component of that system which

fails shall be repaired or replaced as soon as possible.

Where to Install Smoke Detectors

Warning: As a minimum requirement, smoke detectors must be installed in

accordance with the National Fire Protection Agency (NFPA) Standard 72,

Chapter 5, which defines the standards for the National Fire Alarm Code

(National Fire Protection Association, Batterymarch Park, MA 02269-9101). In

addition, observe all local and national building and electrical codes.

Proper Detector Location:

Figure 1: Recommended smoke detector protection for single-floor residence

with only one sleeping area

DINING ROOM

LIVING ROOM

SMOKE DETECTORS FOR MINIMUM PROTECTION

SMOKE DETECTORS FOR MORE PROTECTION AND

REQUIRED IN NEW CONSTRUCTION

Figure 2: Recommended smoke detector protection for single-floor residence

with more than one sleeping area:

FAMILY ROOM

BEDROOM

NFPA 72, Chapter 2, Section 2-2.1.1.1 states as follows: "Smoke detectors

shall be installed outside of each separate sleeping area in the immediate

vicinity of the bedrooms and on each additional story of the family living unit,

including basements and excluding crawl spaces and unfinished attics. In new

construction, a smoke detector also shall be installed in each sleeping room."

The above NFPA standard is a minimum requirement for smoke detector

installation. For better protection, we also require the installation of a

smoke detector inside every bedroom in existing construction.

• Install a minimum of two smoke detectors in any household, no matter

how small it is.

• Put a smoke detector in the hallway outside of every separate bedroom

area. (See Figure 1.) A minimum of two detectors are required in homes with

two bedroom areas. (See Figure 2.)

• Put a smoke detector on every level of a multi-level residence. (See

Figure 3.)

• Install basement detectors on the ceiling at the bottom of the basement stair-

well. (See Figure 3.)

Figure 3: Recommended smoke detector protection for a multi-level resi-

dence:

BEDROOM

LIVING

ROOM

BASEMENT

SMOKE DETECTORS FOR MINIMUM PROTECTION

SMOKE DETECTORS FOR MORE PROTECTION AND

REQUIRED IN NEW CONSTRUCTION

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KITCHEN

BEDROOM BEDROOM

BEDROOM

KITCHEN

DINING

BEDROOM

ROOM

LIVING ROOM

BEDROOM

SMOKE DETECTORS FOR

MINIMUM PROTECTION

SMOKE DETECTORS FOR

MORE PROTECTION AND

REQUIRED IN NEW CONSTRUCTION

BEDROOM

KITCHEN

GARAGE

• Install detectors on the ceiling as close to the center of the room as possible.

If this is not practical, install it on the ceiling no closer than 4 inches (10 cm)

from any wall or corner. (See Figure 4.)

• If wall-mounting is permitted by local and state codes, and ceiling mounting

is not practical, install detectors on an inside wall between 4 and 6 inches (10

and 15 cm) from the ceiling. (See Figure 4.)

Figure 4: Recommended smoke detector mounting locations:

DEAD AIR

BEST IN CENTER

SPACE

BEST LOCATION

ACCEPTABLE LOCATION

• Put detectors at both ends of a bedroom hallway if the hallway is more than

30 feet (9 meters) long. In addition, large rooms will require more than a single

detector if the room is over 900 square feet.

• Rooms or areas that do not have smooth ceilings, or which have short, tran-

som-type walls coming down from the ceiling require additional detectors.

• Install second-floor detectors on the ceiling at the top of the first-to-second

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floor stairwell. Be sure no door or other obstruction blocks the path of smoke

to the detector.

• In rooms with sloped, peaked, or gabled ceilings, install detectors 3 feet (0.9

meter) measured down on the slant from the highest point of the ceiling. See

Figure 5.

Figure 5: Recommended smoke detector location in rooms with sloped, gabled

or peaked ceilings:

HORIZONTAL

DISTANCE

FROM PEAK

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Where Smoke Detectors Should NOT Be Installed

• In or near areas where combustion particles are normally present such

as kitchens; in garages where there are particles of combustion in vehicle

exhausts; near furnaces, hot water heaters, or gas space heaters. Install

detectors at least 20 feet (6 meters) away from kitchens and other areas

where combustion particles are normally present.

• On the ceiling in rooms next to kitchens where there is no transom

between the kitchen and these rooms. Instead, install the smoke detector on

an inside wall, furthest from the kitchen. Be sure not to install smoke detectors

within 4" of the ceiling or any corner or more than 6" from the ceiling.

• In damp or very humid areas, or next to bathrooms with showers. The

moisture in humid air can enter the sensing chamber as water vapor, then

cool and condense into droplets that cause a nuisance alarm. Install detec-

tors at least 5 feet (1.5 meters) away from bathrooms.

• In very cold or very hot rooms or areas. Operating temperature of the

smoke detector is 40°F to 100°F (4°C to 38°C).

• In dusty, dirty, or insect-infested areas. Dust and dirt can build up on the

detector's sensing chamber and make it overly sensitive, or can block open-

ings to the sensing chamber and keep the detector from sensing smoke.

• Near fresh air inlets or returns or excessively drafty areas. Air condition-

ers, heaters, fans, and fresh air intakes and returns can drive smoke away

from smoke detectors, making the detectors less effective.

• In dead air spaces at the top of a peaked ceiling or wall/ceiling intersect.

Dead air may prevent smoke from reaching a detector.

• Near fluorescent light fixtures. Install detectors at least 10 feet (3 meters)

away from such light fixtures.

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NO CLOSER THAN 4" (10 cm)

FROM SIDE WALL

MOUNT ON WALL

OF CEILING

AT LEAST 4" (10 cm)

FROM CEILING

NO MORE

THAN 6" (15 cm)

FROM CEILING

3 FEET

(.9M)

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I56-918-14R