Please follow these safety instructions closely to prevent accidents and
material losses.
Safety instructions explained
Danger
This symbol warns against the
risk of injury.
!
Important information
This symbol warns against the
risk of material losses and
environmental pollution.
Note
Details identified by the words "Note"
contain additi onal information .
Target group
These service instructions are exclu-
sively designed for qualified person-
nel.
&
Work on gas equipme nt must only
be carried out by a registered gas
fitter.
&
Electri cal work must onl y be carried
out by a qualified electrician.
&
The system must be commissioned
by the system installer or a qualified
person authorised by the installer.
Regulations
Observe the following during service
work:
&
all legal instructions regarding the
prevention of accidents,
&
all legal instructions regarding
environmental protection,
&
the Code of P ractice by relev ant
trade assoc iations and all local reg-
ulations.
&
all current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards .
If you notice a s mell of gas
Danger
Escaping gas can caus e explo-
sionswhichmayleadtoser-
ious injury.
&
Do not smoke. Prevent
naked flames and sparks.
Never switch electrical lights
or equipm ent.
&
Open windows and doors.
&
Close the gas s hut-off valve.
&
Shut down the system.
&
Remove all perso nnel from
the danger zone.
&
Observe the safety regula-
tions of your local gas sup-
plier w hich can be fou nd on
the gas meter.
If you smell flue gas
Danger
Flue gas may lead to life-threa-
tening po isoning.
&
Shut down the heating sys-
tem.
&
Ventilate the boiler room.
&
Closealldoorsleadingtothe
living space.
Safety instructions
2
Safety instructions
5692 537 GB
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