2
1. Alarm Range
Interconnectable 9V Battery Smoke Alarms
19
HI
Ionisation Smoke Alarm with Hush
19
HILL
Ionisation Smoke Alarm with Sealed in/Long Life Battery and Hush
29
I
Optical Smoke Alarm
29
ILL
Optical Smoke Alarm with Sealed in/Long Life Battery
29
HI
Optical Smoke Alarm with Hush
29
HILL
Optical Smoke Alarm with Sealed in/Long Life Battery and Hush
2. Important Information
•
Test the alarm weekly by pressing (and holding) the test button.
The alarm and all those interconnected to it will sound.
•
Vacuum your alarms regularly to reduce the likelihood of nuisance
alarms, caused by dust contamination.
•
Never paint or expose alarm to water.
•
If the alarm chirps every 30-40 seconds, it indicates the battery needs
replacing.
(If you are in rented property, you may need to tell your
Landlord.)
Smoke and heat alarms will only function if properly selected, located,
installed and maintained as per KIDDE Fyrnetics instruction manuals.
3. Types of Alarm
a. Power Supply
•
DC alarms
9V battery powered units, but will only function if battery is in good
condition – check regularly. (BS5839 Pt6: Grade F).
b. Alarm Types
•
Ionisation (Ion) alarms
are the most
common type and provide early
detection, especially against fast
flaming fires. Most suitable for
dining and living room areas. Ion
alarms contain 0.9 microcurie of
Americium 241, a radioactive
material. UK Home Office and
BS5839 Pt6 recommend however,
that optical alarms are also used
especially in locations where steam
or cooking fumes, from a nearby
room could cause nuisance alarms.
No one type of alarm is considered
suitable for all locations
.
•
Optical (Photo-Electric) alarms
are
increasingly used and are less
prone to nuisance alarms from
cooking fumes. They are therefore
the recommended type in BS5839
Pt6, for fitting near kitchen areas
and on escape routes/circulation
spaces.
Radio Active
Material
+
-
Clear Air
+
-
Smoke
Smoke
Particles
+
+
+
-
-
Light
Source
Photosensitive
Cell
Lens
Clear Air
Smoke