GEESYS Building automation system — Home automation system
GEESYS Public Addressing System
An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In
general, a fire alarm system is either classified as automatic, manually activated, or both. Automatic fire alarm systems can be used to notify people to
evacuate in the event of a fire or other emergency, to summon emergency forces aid, and to prepare the structure and associated systems to control the spread
of fire and smoke
Before we tackle how a fire alarm system works, let us first review what a fire alarm system is. A fire alarm system is an active fire protection system that
controls all the fire alarm modules in a building. The phrase active fire protection refers to items or systems that can be activated mechanically or electronically.
A public address or “PA” system is an electronic amplification system with a
mixer, amplifier and loudspeakers, used to reinforce a given sound, e.g., a person making a speech, prerecorded music, or message, and distributing the sound to the general public
around a building.
Simple PA systems are often used in small venues such as school auditoriums, churches, and small bars. PA systems with a larger number of speakers are widely used in institutional and
commercial buildings, to read announcements or declare states of emergency. Intercom systems, which are often used in schools, also have microphones in each room so that the occupants
can reply to the central office.
There is disagreement over when to call these audio systems Sound Reinforcement (SR) systems or PA systems. Some audio engineers distinguish between the two by technology and capability,
while others distinguish by intended use, e.g., SR systems are for live music, whereas PA systems are usually for reproduction of speech and recorded music in buildings and institutions).
This distinction is important in some regions or markets, whileq1 in other regions or markets the terms are interchangeable.
Main Functional Features of Public Addressing System:
Easy-to-use with zone labeling and setting indicators
Smart equalizing for superb sound and speech reproduction
Out-of-box functionality with no training required
Stylish, subtle European design
Premium products with future-proof expandability
Reduced and easy maintenance
Simple, reduced and economical field cabling.
Trouble free system.
Flexibility to connect the loudspeakers at longer distance.
Flexibility to build the system for the present need with enough provision for future expansion.
Connectivity of p. a. system with the EPABX System.
Monitoring the healthiness of all associated equipment in the PA System
Array Junction Box(AJB)
Terminal Block/Bus Bar
String Monitoring Facility-Optional
Maximum DC Input Range
No of DC Inputs
2 - 16
2 - 24
No of DC Outputs
1 - 8
Number of Terminal Blocks
4 - 34
4 - 48
Reverse Blocking Diode, No’s
2 - 12
2 - 24
Maximum Input Fuse* Rating, A
Maximum string current per fuse holder with all string fuse**