DE3640
3
Message Repetition: Repetitive transmission (once every 3
minutes) or one-shot, as selected with on-board DIP switch.
Supervision: Automatic signaling at 60-minute intervals.
Tamper Alerts: Tamper event (removal of the unit from its bracket)
is reported every 3 minutes, until the tamper switch is restored.
Transmission Indicator: Red LED lights upon transmission
(visible only when the cover is open and Swith SW-4 set to ON).
ELECTRICAL DATA
Power Source: 9 Volt alkaline or lithium.
Current Drain: 28 µA standby, 20 mA in operation
Battery Life: At least one year
Battery Supervision: Automatic transmission of battery status data as
part of any transmitted message.
PHYSICAL DATA
Operating Temperature: 4.4
°
C to 37.8
°
C (40
°
F to 100
°
F).
Relative Humidity:
10% to 85%
Dimensions:
140 mm (5.5") x 45 mm (1.75")
Weight (including battery): 256 g (9 oz)
602.('(7(&725,167$//$7,2129(59,(:
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Smoke detectors should be installed in accordance with the
NFPA Standard 74 (National Fire Protection Association,
Batterymarch Park, Quincy, MA 02169). For complete coverage
in residential units, smoke detectors should be installed in all
rooms, halls, storage areas, basements and attics in each family
living unit. Minimum coverage is one detector on each floor and
one in each sleeping area. Here are a few useful tips for you:
•
Install a smoke detector in the hallway outside every separate
bedroom area, as in Figure 10. Two detectors are required in
homes with two bedroom areas, as in Figure 11.
•
Install a smoke detector on every floor of a multi-floor home or
apartment, as shown in Figure 12.
•
Install a minimum of two detectors in any household.
•
Install a smoke detector inside every bedroom.
•
Install smoke detectors at both ends of a bedroom hallway if
the hallway is more than 12 meters (40 feet) long.
Figure 10. Locations for placing smoke detectors in a single
residence with only one sleeping area
•
Install a smoke detector inside every room where one sleeps
with the door partly or completely closed, since smoke could be
blocked by the closed door and a hallway alarm may not wake
up the sleeper if the door is closed.
Figure 11. Locations for Placing Smoke Detectors in
Single-Floor Residence with More than One Sleeping Area.
Figure 12. Placing Smoke Detectors in a Multi-Floor Residence
• Install basement detectors at the bottom of the basement
stairwell.
• Install second-floor detectors at the top of the first-to-second
floor stairwell.
• Be sure no door or other obstruction blocks the path of smoke
to the detector.
• Install additional detectors in your living room, dining room,
family room, attic, utility and storage rooms.
• Install smoke detectors as close to the center of the ceiling as
possible. If this is not practical, put the detector on the ceiling,
at least 10 cm (4 inches) away from any wall or corner, as
shown in Figure 13.
• If ceiling mounting is not possible and wall mounting is
permitted by your local and state codes, put wall-mounted
detectors between 10 - 15 cm (4 - 6 inches) from the ceiling,
also see Figure 13.
• If some of your rooms have sloped, peaked, or gabled ceilings,
try to mount detectors 0.9 meter (3 feet) measured horizontally
from the highest point of the ceiling as shown in Figure 14.
Figure 13. Recommended Best
and Acceptable Locations to
Mount Smoke Detectors
Figure 14. Recommended
Location to Mount Smoke
Detectors in Rooms with
Sloped, Gabled or Peaked
Ceiling
CAUTION (As required by the California State Fire
Marshall)
"Early warning fire detection is best achieved by the
installation of fire detection equipment in all rooms
and areas of the household as follows:
(1) A smoke detector installed in each separate sleeping area (in
the vicinity, but outside the bedrooms), and (2) Heat or smoke
detectors in the living rooms, dining rooms, bedrooms, kitchens,
hallways, attics, furnace rooms, closets, utility and storage
rooms, basements and attached garages."
For your information, NFPA Standard 74, Section 2-4 reads as
follows:
"2-4.1.1 Smoke detectors shall be installed outside 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.
The provisions of 2-4.1.1 represent the minimum number of
detectors required by this standard. It is recommended that the
householder consider the use of additional smoke detectors for
increased protection for those areas separated by a door from the
areas protected by the required smoke detectors under 2-4.1.1
above. The recommended additional areas are living room, dining
room, bedroom(s), kitchen, attic (finished or unfinished), furnace
rooms, utility room, basement, integral or attached garage, and
hallways not included in 2-4.1.1 above. However, the use of
additional detectors remains the option of the householder." We
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