4 Purpose
The purpose of this manual is to assist in the installation and operation of the EV3000 Occupant
Warning and Intercommunication System (OWIS).
4.1 Scope
The information within this manual is only available to and for the use of personnel engaged in the
installation and operation of the EV3000 OWIS.
4.2 References
4.2.1 EV3000 System Manuals:
Document No. M0010WT1 EV3000 OWIS Technical Manual.
Document No. M0010WI1 EV3000 OWIS Installation, Programming and Commissioning Manual.
4.2.2 Australian Standards
AS2220.1-1989 Emergency Warning and Intercommunication systems in buildings Part 1:
Equipment Design and Manufacture.
AS1851 Part 10 Maintenance of Fire Protection Equipment, Part 10: Emergency Warning
and Intercommunication systems.
AS1670.4-2004 Fire Detection, Warning, Control and Intercom Systems – System Design,
Installation and Commissioning. Part 4: Sound Systems and Intercom
Systems for Emergency Purposes.
AS4428.4-2004 Fire Detection, Warning, Control and Intercom Systems – System Design,
Installation and Commissioning. Part 4: Intercommunication Systems for
Emergency Purposes.
4.3 System Overview
The Ampac EV3000 Occupant Warning and Intercommunication System is a microprocessor based
OWIS system that complies with Australian Standards AS2220.1 and produces Alert and Evacuation
signals compliant with AS1670.4
The OWIS comprises of two sub-systems,
1. Occupant Warning System (OWS)
The prime function of an OWS is to transmit via speakers in evacuation zones, alert signals,
evacuation signals and public address clearly and reliably.
The OWS can automatically initiate evacuation procedures or be manually operated as well
being used for non-emergency functions, e.g. background music and general PA facilities.
2. Occupant Intercommunication System (OIS).
The OIS is a totally independent intercommunication system provided to communicate on a
one to one basis from the Master Emergency Control Panel (MECP) to the individual Warden
Intercommunication Points (WIP’s) within the evacuation zones.
The OWS and OIS are collectively referred to as the Occupant Warning and Intercommunication
System (OWIS).
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