Aico Ei Ei168RC Guía de instalación descargar pdf (Pagina 8)

2.2 Selecting Alarm Type

Optical Smoke Alarms are recommended due to their

excellent response to smouldering fires. If there is likely to be

problems with steam, contamination or dust build-up, or if there

is significant risk of a fast burning clean fire an Ionisation Smoke

Alarm should be fitted.

Ionisation and Optical Smoke Alarms should be fitted for the

fastest response to all types of fires.

Some Fire authorities (concerned with the slow response of

Heat Alarms) advise that Smoke Alarms should be fitted. This

is acceptable according to BS 5839-6 provided there are clearly

not going to be problems with nuisance/false alarms. Fit Heat

Alarms only if nuisance/false alarms are very likely and it is

acceptable that a warning will only be given by the Heat Alarm

when there is a very significant flaming fire in the room. If the

door(s) and windows are not closed to contain the fire and

heat, it is extremely unlikely that the Heat Alarm would respond

before a Smoke Alarm sited outside in the corridor.

In enclosed kitchens with doors closed.

Greatly depends on ventilation and distance from source of

fumes.

Locations

Hall, Corridors, Escape Routes

Alarm Type

Optical Ionisation Heat

Bedrooms

Shower / Bathroom

Kitchens

Living Rooms

Fire Response

Slow Smouldering Fires

(polyurethane foam, ignited bedding etc.)

Nuisance Alarm Immunity

Cooking Fumes

Steam, Condensation &

Dust Build-up

Fast Flaming Fires

(chip pans, flaming wood/plastic, oil,

solvents etc.)

- Best

- Good

- Acceptable

- Not Suitable

Temperature >58

(only in areas with cooking fumes, steam,

very dirty/dusty)

Optical/Ionisation/Heat Alarm Selection

Locations & Performance

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Aico Ei Ei168RC Guía de instalación Pagina 8

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