Bosch Greenstar FS Operating Instructions Manual page 7

▶ From outside the building, call the gas supply
company and a trained and certified installer or
service company.
H If you smell flue gas
▶ Switch OFF the appliance ( page 15).
▶ Open windows and doors.
▶ Inform a trained and certified heating contractor.
H For appliances operating on room air:
Danger of flue gas poisoning if supply of
combustion air is insufficient
▶ Safeguard supply of combustion air.
▶ Do not cover or reduce the size of ventilation
openings in doors, windows and walls.
▶ Safeguard sufficient supply of combustion air also
for appliances installed at a later date, e.g. kitchen
exhaust fans, clothes dryers, and air conditioning
units with vent to the outside.
▶ Never operate the appliance if the supply of
combustion air is insufficient.
H Danger of explosion of flammable gases
▶ Only employ a trained and certified contractor to
carry out work on the gas train.
Greenstar FS/Combi FS – 6720810589 (2021/01)
Explanation of symbols and safety instructions
7