Engineers Manual; Introduction; System Design Guide - ABB Eurofire EN54 User And Engineers Instructions

INTRODUCTION

This manual provides the necessary guidance for the correct installation and commissioning of a 'Eurofire' control
panel. Persons carrying out system design and installation should be familiar with the relevant code of practice
relating to the installation of fire detection and alarm systems within buildings. The 'Eurofire' panel is an advanced
fire detection system based on microprocessor control circuitry. It is therefore recommended that Emergi-lite Safety
Systems Ltd are contacted for initial commissioning and future service requirements of any 'Eurofire' equipment.

SYSTEM DESIGN GUIDE

When installing the Eurofire, the system designer should ensure:-
1. The installation complies with the relevant code of practise for installations.
2. The mains supply is switched via a double pole isolator.
3. All detectors and sounders are sighted in accordance with British Standard recommendations and the circuits
have NO SPURS.
4. Sounder current consumption should not exceed the panel maximum. The maximum load for each alarm
output is 1A, however, the total sounder current should not exceed the panel maximum of 1.25A. If higher
sounder output levels are required, an external high current power supply can be connected. Contact ESS
for more information.
5. The total current consumption for each zone does not exceed 4mA.
6. It is recommended that the cabling used for detector and alarm circuits is Fire Protected, 2-core+screen
complying with the requirements in BS5839-1 : 2002
7. Detectors and callpoints used are compatible with the panel, and only devices recommended by the supplier
are used.
8. The correct End of Line (EoL) devices on the zones and alarm lines (including those not in use).
devices must be fitted after the last detector, callpoint or sounder.
9. The detector bases are connected as shown in figs. 1-3 and are fitted with a diode for detector removed fault.
Otherwise, removal of a detector from a base will prevent subsequent detectors and callpoints on the zone
from functioning.
10. The sounders have a series blocking diode fitted so that they only operate when the supply is polarized in
accordance with the markings on the control panel PCB sounder terminals.
11. If the 12V or 24V auxiliary outputs are used, the battery standby period should be checked to ensure that the
maximum duration for the installation can still be achieved.
12 That all earths are bonded and a connection is made to the earth monitoring circuit which is located on the
Printed Circuit Board. Without connection to the earth monitoring circuit, the fire control panel will be
unable to monitor any voltages (+VE and –VE) on the earth.

ENGINEERS MANUAL

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