Praesideo 3.5 Installation and User Instructions EN60849: 1998

en 21

Requirement

Compliance

Signature

In complex buildings in which actions, such as initiation

Responsibility of the installer.

 

of evacuation signals, silencing of alarm signals, etc.,

 

 

can be implemented at remote voice alarm equipment,

 

 

consideration shall be given to whether there is a need

 

 

for such actions to be indicated at any central fire

 

 

detection and alarm control and indicating equipment.

 

 

EN60849 - 5.6 Secondary power supply

Requirement

Compliance

Signature

If the building is to be evacuated following primary

Responsibility of the installer.

 

power failure, a secondary power supply shall be

 

 

provided. This shall be capable of operating the system

 

 

in the emergency mode for a period equal to twice the

 

 

evacuation time determined by the appropriate

 

 

authority for the building. In any event, the secondary

 

 

power supply shall be capable of powering the system

 

 

for a minimum of 30 min.

 

 

If the building is not to be evacuated following failure of

Responsibility of the installer.

 

the principal power supply, the secondary power

 

 

supply shall be capable of operating the system for at

 

 

least 24 h, or 6 h if an emergency generator is

 

 

available, and then powering the system in emergency

 

 

mode for a minimum of 30 min. If a building remains

 

 

unoccupied for several days, provision should be made

 

 

to ensure that the voice alarm system is capable of

 

 

operation in emergency mode for 30 min. when the

 

 

building is re-occupied.

 

 

Non-emergency functions within the system, such as background music, shall not operate from the secondary power supply if this will reduce the capacity for emergency operation.

Compliant if properly installed. Responsibility of the installer.

If batteries are used as a secondary power supply they

Responsibility of the installer.

shall be of the secondary type, complete with automatic

 

charging facilities. Where lead-acid batteries are used

 

they shall be of the valve-regulated type unless

 

otherwise specified, and the charging system shall

 

incorporate charging current compensation for

 

changes in the ambient temperature, where this is

 

necessary to achieve the specified battery life.

 

Batteries shall be used in accordance with the

Responsibility of the installer.

manufacturer's recommendations in order to achieve

 

their specified life, which shall be not less than four

 

years. The end of life shall be taken as the time when

 

deterioration to less than 80% of the rated ampere-

 

hour capacity (at the one-hour rate) has occurred.

 

Automatic charging shall ensure that the batteries are

Responsibility of the installer.

fully recharged to 80% of their maximum rated capacity

 

from the fully discharged state in a period of not more

 

than 24 h.

 

Adequate ventilation and protection against corrosion

Responsibility of the installer.

and dangers resulting from gases emitted by the

 

batteries shall be provided.

 

Bosch Security Systems 2011-02

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Bosch Appliances 3.5 manual EN60849 5.6 Secondary power supply
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3.5 specifications

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