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• Theairrequiredforburningistakenfromtheenvironmentofthehobandtheburntgasesarereleased
toit.Properventilationshouldbemaintainedforsafeoperationoftheunit.Theventilationopenings
definedasperthevolumeoftheenvironmentareprovidedatthetable(Table1).
• Burntgasesshouldbedischargedoutsidebythehoodwithconnectiontoventilationshaft.
• Ifnokitchenhoodisused,anelectricalfanshouldbeinstalledatthewallorwindowofthebuilding
abletodischarge3-5timesofthekitchenair(Figure6).
1. Cooktop
2. Aspirator
3. Electricalventilator
4. VentilationOpening
Lessthan5m³ Minimum100cm²
Between5m³and10m³ Minimum50cm²
Largerthan10m³ Notrequred
BasementorCellar Minimum65cm²
Figure6.