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Key to symbols and safety instructions
6 720 608 992 (2018/01)
1 Key to symbols and safety
instructions
1.1 Explanation of symbols
Warnings
Keywords indicate the seriousness of the hazard in terms of the
consequences of not following the safety instructions.
• NOTICE indicates that material damage may occur.
• CAUTION indicates that minor to medium injury may
occur.
• WARNING indicates that serious injury may occur.
• DANGER indicates possible risk to life.
Important information
Additional symbols
1.2 Safety information
If you smell gas:
▶ Close the gas supply valve.
▶ Open the windows.
▶ Do not operate any electrical
appliances or switches (on/off).
▶ Extinguish other sources of ignition.
▶ Go to a different location and call the
gas supplier or an authorised
technician.
If you smell combustion gases:
▶ Turn off the heater.
▶ Open doors and windows.
▶ Notify an authorised technician.
Assembly, modifications
▶ The assembly and modifications to
the heater can only be performed by
an authorised installer.
▶ Do not modify the pipes which
conduct combustion gases.
▶ Do not close or reduce air circulation
vents.
Maintenance
▶ We recommend the system be
serviced regularly to ensure it
functions reliably and safely.
▶ The installer is responsible for the
safety and environmental
compatibility of the installation.
▶ The heater should be serviced
annually.
▶ Only original spare parts must be
used.
Explosive and highly inflammable
material
▶ Do not use or store flammable
materials in or near this appliance.
Warnings in this document are framed and
identified by a warning triangle which is printed
on a grey background.
Electrical hazards are identified by a lightning
symbol surrounded by a warning triangle.
Important information in cases where there is no
risk of personal injury or material losses is
identified by the symbol shown on the left. It is
bordered by horizontal lines above and below
the text.
Symbol Meaning
▶ a step in an action sequence
a reference to a related part in the document or
to other related documents
• a list entry
– a list entry (second level)
Table 1
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