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Idiomas disponibles
Idiomas disponibles
Smoke detectors limitations
Smoke detectors will not sense a fire if the smoke does not reach the sensor.
ln order for a smoke detector to sense smoke, it must be installed in the immediate vicinity of the fire. In addition, smoke from fires
in chimneys, in walls, on roofs, in remote parts of the building, or on another level from where the smoke detector is located, may
not reach the smoke detector quickly enough for occupants to escape unharmed. For this reason, a smoke detector must be installed
on every level, in every sleeping area, and in every bedroom of the household.
Smoke detectors may not be heard. If the smoke detector is not located in the same room as the occupant, or if it is blocked by a
closed door or normal noise, the alarm horn may not be heard. In addition, sound sleepers, or persons who are under the influence
of drugs or alcohol may not hear the alarm or be able to react to it. Therefore, locate this smoke detector, which has a sounder rated
85dB at three meters, on every level, in every sleeping area, and in every bedroom of the household.
Any detector may not always warn you about fires caused by carelessness and safety hazards like smoking in bed, violent explosions,
escaping gas, improper storage of flammable materials, overloaded electrical circuits, children playing with matches, or arson.
Smoke detectors are not fool-proof. Like all electronic devices, smoke detectors have limitations. No type of smoke detector can
sense every kind of fire every time. In addition, smoke from slow, smoldering fires rises slowly and may not reach the smoke detector
until actual flame breaks out. This type of smoke may not reach the smoke detector in time for occupants to escape unharmed.
Smoke detectors are not a substitute for life or property insurance. Though smoke detectors have been responsible for saving many
lives, they are not warranted or implied to protect lives or property in the event of a fire.
Where to install the DSH
Warning
It is recommended to install smoke detectors in accordance with the NFPA (National Fire
Protection Association, USA) standard 72, chapter 5. 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.
50cm
>20°
50cm
Placement of the DSH will affect how well the device performs and how well residents hear the alarm siren. Install a detector in every
room where someone sleeps with the door closed. A closed door may prevent a detector not located in that room from waking the
occupant. For bedrooms, hallways, or large rooms greater than 12m in length, install detectors at both ends of the room or hallway.
Where not to install the DSH
In or near areas where combustion particles are normally present such as kitchens and garages; near furnaces, hot water heaters, or
gas space heaters. Install detectors at least six meters away from 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.
Do not to install smoke detectors within 50cm of any corner, and more than 15cm 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 detectors at least 1.5 meters away from bathrooms.
In very cold or very hot rooms or areas. Operating temperature of the smoke detector is 0° to 50° Celsius.
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 openings to the sensing chamber and keep the detector from sensing smoke.
Near fresh air inlets or returns or excessively drafty areas. Air conditioners, 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 30cm away from such light fixtures.
Technical specifications
Frequency
Models
(MHz)
One-Way
433.92
DSH143
868.95
DSH187
Battery: 1X 3VDC, Panasonic CR123A/
Duracell DL123A (or any compatible
battery), Lithium.
Battery Life: Up to one Year
50cm
DSH
Standby Current: 8uA
Alarm Current: 40mA (max.)
Two-Way
Sizes: 12 X 5.75cm
DSH243
Weight: 200gr
DSH287
Sound Level: 85dB/3M Smoke
Sensitivity Range:
o EN14604: 0.105dB/m~0.165dB/m
o UL217/268: 1.8%/ft~3.5%/ft
10cm
15cm
-2-
Heat Temperature Range:
o EN54-5: 1°C/min in 29 (lower
limit) / 46 (upper limit)
o UL539: 53.3°C (min) / 73.9°C (max)
CE Compliance
Temperature: -10 to +50 °C
Humidity (Max.): Up to 90% R.H., Non-
condensing
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