Types Of Fire Alarms

Fire Alarms

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Types of fire alarms

Non-addressable fire systems are generally used in smaller applications of fewer detectors and where individual device addressing and programming are not required. They usually comprise of fault monitored detection and sounder circuits linked to the main control panel and terminated after the last device. Upon activation of a detector or callpoint the system latches into a fire condition and activates the audible alarms. JPS also offer the two-wire systems allowing sounders and detection on the same cabled circuits saving on cables and more importantly time and cost to the end user.
Fire Alarms
Fire Alarms
Addressable fire systems are for larger installations requiring more detailed system information. Individual devices report to the panel with an accurate text description of the origin of the fire or fault condition. Installation and operation is largely similar to non-addressable systems, however system devices are cabled as a loop circuit, each of which can accommodate up to 127 devices. The systems have a greater programming flexibility for system cause and effects and detection sensitivity can be adjusted for full alarm and pre-alarm conditions. As with the two-wire systems all devices are cabled on the same circuit.
Wireless radio fire systems are as reliable as their cabled addressable counterparts without the need for wires. Whether for a heritage/listed premises or for ease of installation and lack of disruption where cabling is not an option, the systems can be suited to all industry applications. 

JPS use the EMS protocol system which is fully addressable and features battery operated devices reporting individually to the control panel. 

A radio survey of the site is required prior to the design stage which is free of charge.
Fire Alarms
Gas suppression systems are used in applications where property protection is paramount in high risk computer and server rooms, communication equipment rooms, art & antiques and archive data storage . The systems operate with standard addressable or non-addressable fire detection and, when activated, the gas is discharged to extinguish the fire and cause minimum damage to the contents. Types of gas are tailored to the risk of the protected area.
Fire Alarms
Fire Alarms
Aspirated fire detection can detect smoke at a much earlier stage than conventional smoke detection. The system operated by drawing air from the protected area through a network of pipes to the sensing chamber where the ultra sensitive detector is housed. This very early warning gives a window of opportunity to prevent the danger and damage of the fire. The systems can also be used in areas not easily accessible for maintenance or for areas of high ambient contaminant levels as the systems are able to learn and adapt to their environment.
These systems are usually used in conjunction with a standard fire system as they have no internal audible outputs.
Cranford Controls
EMS Wireless Fire
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