2
Please follow these safety instruc-
tions closely to prevent accidents
and material losses.
Safety instructions explained
Danger
This symbol warns against the risk
of injury.
!
Please note
This symbol warns against the risk
of material losses and environmen-
tal pollution.
Note
Details identified by the word "Note"
contain additional information.
Target group
These instructions are exclusively inten-
ded for qualified contractors.
■
Work on gas installations may only be
carried out by a registered gas fitter.
■
Work on electrical equipment may only
be carried out by a qualified electrician.
Regulations to be observed
■
National installation regulations
■
Statutory regulations for the prevention
of accidents
■
Statutory regulations for environmental
protection
■
Codes of practice of the relevant trade
associations
■
Relevant country-specific safety regu-
lations
Working on the system
■
Where gas is used as the fuel, close
the main gas shut-off valve and safe-
guard it against unintentional reopen-
ing.
■
Isolate the system from the power sup-
ply, e.g. by removing the separate fuse
or by means of a mains isolator, and
check that it is no longer live.
■
Safeguard the system against recon-
nection.
■
Wear suitable personal protective
equipment when carrying out any work.
Danger
Hot surfaces and fluids can lead to
burns or scalding.
■
Before maintenance and service
work, switch off the appliance and
let it cool down.
■
Never touch hot surfaces on the
boiler, burner, flue system or pipe-
work.
Safety instructions
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