Bosch 940 ES Installation And Operating Instructions Manual page 4

Key to symbols and safety instructions
▶ Do not install this device in rooms
with a high moisture level
(e.g. bathrooms, saunas).
H WARNING:
▶ To ensure that the water heater
functions properly, follow these
installation and maintenance
instructions.
▶ Never close the blow-off line of the
pressure safety valve. For safety
reasons, water may escape during
heating.
H DANGER:
Risk of explosion!
If you smell gas.
▶ Turn off the gas shut-off valve.
▶ Open windows and doors.
▶ Do not try to light the appliance.
▶ Do not touch any electrical switch,
telephone, and do not use outlets.
▶ Extinguish all open flames. Do not
smoke! Do not use lighters!
▶ Warn all occupants of the building. Do
not ring doorbells!
▶ If you can hear gas leaking, leave the
building immediately.
▶ Prevent others from entering the
building and notify the police and fire
department from outside the
building.
▶ From outside the building, call the gas
utility company and a trained and
certified installer.
4
H DANGER:
If you smell flue gas,
▶ Switch off the appliance.
▶ Open windows and doors.
▶ Inform the certified installer who
installed the appliance.
H DANGER:
Risk of poisoning!
Insufficient ventilation may cause
toxic flue gas to escape.
▶ Never close off or reduce the size of
the air intake and outlet openings.
▶ The appliance must not be operated
until any obstructions have been
removed.
▶ Inform the customer of the problem
and the associated dangers.
H DANGER:
Danger from escaping flue gases.
▶ Ensure all vent pipes and chimneys
are not damaged or blocked.
▶ Connect only one appliance to each
vent system or chimney liner.
▶ The venting system piping must not
feed into another air extraction duct.
▶ Do not route the flue system piping
through or inside another air
extraction duct.
H DANGER:
Danger of explosion of flammable
gases.
940 ES – 6 720 644 930 (2019/09)