Hkoenig bw1880 Manual De Instrucciones página 24

4. Turn the CO2 pressure knob to "+" position to turn on the CO2 supply,
and it is ready to pour beer out.
Reminder: each 16g CO2 cartridge can pressure more than 5L beer out;
Warning:
1. Please use the qualified CO2 cartridge.
The below CO2 cartridge information for your reference. Never use
Nitrogen gas cartridge in the beer cooler to avoid the explosion, because
of its much higher pressure;
2. New CO2 cartridge need good reserve, any play is forbidden, or will
cause hazards.
16g CO2 Cartridge
B