Bosch Plena Operating Manual page 118

118 en | Appendices
Clause / Requirement
d Except during the condition described
e The system shall be able to broadcast
f
g Failure of a single amplifier or
2013.07 | V2.0 |
in 4.1c), the system shall be capable
of broadcasting a first attention-
drawing signal within 3 s of being
placed in an emergency mode by the
operator, or automatically on receipt
of a signal from a fire or other
detection system. In the latter case,
the period of 3 s includes the reaction
time of the detection system from the
time the emergency is first detected,
to commanding the alarm broadcast.
attention-drawing signals and speech
messages to one or more areas
simultaneously. There shall be at least
one appropriate attention-drawing
signal alternating with one or more
speech messages for this purpose.
At any time the system operator shall
be able to receive, by means of a
monitoring system, indications of the
correct functioning or otherwise of
the relevant parts of the emergency
system (see also 5.2 and 5.3).
loudspeaker circuit shall not result in
total loss of coverage in the
loudspeaker zone served.
NOTE 1 - The monitoring system
specified in 4.1f) should indicate the
failure of an amplifier or of a
loudspeaker circuit.
NOTE 2 - Particularly in small
buildings, it may not be necessary to
install two separate loudspeaker
circuits in one loudspeaker zone. A
decision on this matter may be
subject to local regulations.
Installation and Operation manual
Compliance
Compliant. The installer is required
to ensure that the Fire detection
system does not have latency
beyond 2s to ensure that the entire
installation reacts within 3s.
Note: Reaction time of the Voice
Alarm System reacts within 1
second.
Compliant, if attention-drawing
signal is part of the configuration.
Responsibility of the installer.
Note: It is recommended that an
attention drawing signal is
assigned to the EMG button.
Compliant.
Compliant if installed with:
– Spare Power Amplifiers.
– Multiple loudspeaker circuits
per zone or multiple zones. A-
B wiring.
– Appropriate supervision on.
Responsibility of the installer.
Plena
Signature
Bosch Security Systems B.V.