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Praesideo 3.5 | Installation and User Instructions | EN60849: 1998
Requirement
The use of these levels in descending order of priority
will ensure that appropriate alarm signals and
messages are provided first to the zones immediately at
risk.
EN60849 - 4.3.2 Operational priorities
Requirement
If the voice alarm system is capable of operation in fully
automatic mode, a facility shall always be available to
control:
a
The type of pre-recorded message being
broadcast.
b
The distribution of messages to different zones.
c
Real-time instructions or information to occupants
via the emergency microphone (if any).
Means shall be provided for manual intervention to
override any automatically programmed functions. This
shall apply both to the nature of the message being
broadcast and to the distribution paths of the message.
Thus, manual controls shall be provided at the central
control point (and also at specified remote control
points) to allow:
a
Starting or stopping of pre-recorded alarm
messages.
b
Selection of appropriate pre-recorded alarm
messages.
c
Switching on or off, of selected loudspeaker zones.
d
Broadcasting of live messages via the emergency
microphone (if any).
NOTE - The above controls may form part of an
emergency detection control panel.
The emergency control microphone shall have the
highest level of priority for access to the voice alarm
system, with provision to allow it to override all other
broadcasts.
EN60849 - 4.4 Safety requirements
Requirement
The safety requirements applying to emergency sound
systems are given in IEC60065 or other appropriate
IEC safety standards.
The mechanical construction of the system shall be
such that under the influence of internally generated
heat, explosion or implosion, however caused, no part
shall cause injury to any person.
Where any part of the system is installed in areas with
hazardous or explosive atmospheres, the relevant
safety requirements of IEC60079 shall be met.
Bosch Security Systems | 2011-02
Compliance
Compliant, if properly installed. Responsibility of the
installer.
Compliance
Compliant, if properly installed:
•
Input contact configured to start a call with a pre-
recorded message.
•
Running message can be overridden by higher
priority manually started messages.
Compliant.
The numeric keypad PRS-CSNKP should not be used
for zone selection for emergency purposes in a system
that has to comply to EN60849:1998, because the
LCD does not have a self-test function to check for
correct operation.
Compliant, if properly installed. Manual selection of
loudspeaker zones is supported. Adding or removing
zones from a running call is supported.
Compliant, if properly installed. Running message can
be overridden by higher priority manually started
messages.
Compliant, if properly installed. Manual selection of pre-
recorded alarm messages is supported.
Compliant, if properly installed. Manual selection of
loudspeaker zones is supported. Adding or removing
zones from a running call is supported.
Compliant, if properly installed. Live calls from an
emergency call station are supported.
Compliant, if properly installed.
The PC call station (PRS-CSC) should not be used to
make emergency announcements in a system that has
to comply to EN60849:1998, because a PC does not
comply to this standard for such use.
Compliance
Compliant. Praesideo complies to IEC60065.
Compliant.
Responsibility of the installer. The Praesideo equipment
itself does not comply to IEC60079.
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