Alfa Network QUICK User Manual page 17

2.2 NATURAL AERATION SYSTEMS
2.2.1 Total rated thermal output not exceeding 15 kW. Through permanent
openings facing outwards in the room where the appliances are installed. The net area
of the openings or the cross section must be no less than 100 cm
2.2.2 Total rated thermal output not exceeding 35 kW. Through exhaust hoods
connected to the flue or duct with natural draught according to the UNI EN 13 384
guidelines.
NATURAL VENTILATION - S=300cm
FORCED AREATION - 1,72 m
FORCED VENTILATION - 1,72 m
FORCED AREATION - 1,72 m
2
/h x kW
3
/h x kW
3
/h x kW
3
NATURAL VENTILATION- S=300cm
NATURAL AREATION - S>100cm
FORCED VENTILATION - 1,72 m
AERAZIONE NATURALE - S>100cm
.
2
2
2
/h x kW
3
2
15