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Home >> Land Rover >> 2016 >> LR4 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Protection System -- LR4/L319 >> Engine Protection System >> Engine Protection System - Armored >> Description And Operation >> Fire Suppression System >> Fire Suppressant System

Fire Suppressant System

G11600932
ITEM DESCRIPTION
A Left-hand-drive (LHD) vehicle (identical to RHD module, except as shown).
B Right-hand-drive (RHD) vehicle.
1 Control panel, control module and battery
2 Cylinder and gas-generator cartridge
3 Foam carrying tube
4 Fire detection cable
5 Fire suppressant nozzle (6 off)

The system is controlled by the fire suppression control module, which monitors the temperature sensor in the fire detection cable. Should the temperature in the engine compartment reach a trigger threshold due to a fire, the control module sends an initiation signal to the gas-generator cartridge. This cartridge in turn sends a pressure charge into the cylinder containing the Aqueous Film Forming Foam; forcing the foam from the cylinder. The cylinder outlet is connected to tubes which carry the foam to the fire suppressant nozzles strategically positioned in the engine compartment.

The fire suppression system can also be activated manually by pressing the red 'Fire' button mounted in the floor console.