3
Regulations to be observed
■National installation reg-
ulations
■Statutory regulations for
the prevention of acci-
dents
■Statutory regulations for
environmental protection
■Codes of practice of the
relevant trade associa-
tions
■Relevant country-spe-
cific safety regulations
Working on the system
■Where gas is used as
the fuel, close the main
gas shut-off valve and
safeguard it against
unintentional reopening.
■Isolate the system from
the power supply, 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 reconnection.
■Wear suitable personal
protective equipment
when carrying out any
work.
Danger
Hot surfaces and flu-
ids can lead to burns
or scalding.
■Before maintenance
and service work,
switch off the appli-
ance and let it cool
down.
■Never touch hot
surfaces on the
boiler, burner, flue
system or pipework.
Safety instructions (cont.)
5836498
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