Setting Up A Collective Radio Group - Jung 500.518.924 Handbuch

out the red activation button (Illus. 1
point a) to the initial position (OFF).
Then keep the test/stop button (Illus. 1
point d) pressed for 2-3 seconds.
2. Keep the radio button (Illus. 6 point
a) pressed using the long thin pin end
of the activation fuse (Illus. 5) as long as
the radio LED shows a yellow interval.
3. After the releasing the radio button
for about 3 seconds, the radio LED
shows a green signal, which indicates
that the smoke alarm device with radio
link is again in delivery condition.
Setting up a collective
radio group
For special applications, it can be practi-
cal to set up a collective radio group
(e.g. in the stairwell of an apartment
house).
A collective radio group is first a nor-
mal radio group. However, as soon as
one or more radio groups (e.g. residen-
ce) is connected with a specific radio
group (e.g. stairwell), it then becomes a
collective radio group.
All smoke alarm devices with radio
links connected to a radio group give
out a loud alarm signal if at least one
smoke alarm device with radio link in
the radio group (e.g. residence) identi-
fies fire-related smoke or temperatures.
This alarm is released with a measured
delay (60 seconds) by all smoke alarm
devices with radio links of a collective
radio group (e.g. stairwell) connec-
87
en