ENGINE AUTOMATIC FIRE EXTINGUISHING SYSTEM (AFES)
COMPONENTS - Continued
Thermal Detection System
THERMAL DETECTION SYSTEM
The Thermal Detection system consists of fire sensing elements and couplings looped
throughout the engine compartment.
The fire sensing elements detect both engine overheat conditions and fires.
When the system detects an engine overheat condition, the T/A panel FiRE ALARM
lamp and the Remote Status Indicator (RSI) ENGiNE FIRE lamp flash.
When it detects an engine fire, both indicator lamps light, and the system automatically
activates the engine auto fire extinguisher.