Installation / Operation Instruction Manual

4
Key to symbols and safety instructions
RTG-K-199/160N/X2 – 6 720 813 642 (2022/06)
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 if detected
inside the house.
▶ 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
and appliance surround areas.
▶ From outside the building, call the gas
utility company and a trained and
certified installer.
H DANGER:
If you smell flue gas inside the house,
▶ Switch off the appliance.
▶ Open windows and doors.
▶ Inform the certified installer who
installed the appliance to change
appliance installation location.
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 of explosion of flammable
gases.
▶ Work on gas components may only be
carried out by a trained and certified
installer.
▶ Installation, gas and flue connection,
initial commissioning, electrical
connections and annual maintenance
must only be carried out by a trained
and certified installer.
H CAUTION:
Combustion air
▶ Keep the combustion air free of
corrosive substances (halogenated
hydrocarbons that contain chlorine or
fluorine compounds).