Carbon Dioxide System ( Non-Water Based System )

• Mentioned in UBBL 1984 BY Laws 235
• CO2 is discharged after a delay upon detection ( An alarm will be sounded before CO2 being discharged . 
• Installed in 
• - electrical transformer room 
• -LV switchrooms 
• -Standby generators room 
• -All unoccupied rooms that needed fire protection ( where use of water as the extinguishing agent is not permissible ex CLass E risk areas ) 
• Good for flammable liquids , gas fires , fires involving electrically energised equipment and sometimes on carbonaceous material . 
• CO2 is non combustible and spreads rapidly to all parts of the fire . 
• Cannot conduct electricity this making it safe to use in areas having electrically energized equipment 
• It leaves no residue . 
• Although mildly toxic , a 9 percent concentration is the limit that anyone can withstand without being unconscious and a higher limit will render a person helpless almost immediately . 
• Puts fire out by the smothering and cooling effects .