3
3062087_0207
The following symbols are used in conjunction with these
important instructions concerning personal safety as well
as operational reliability.
Safety instructions
This indicates technical instructions that you
must observe to prevent material losses and
boiler malfunctions.
NB
Danger through 'live' electrical components.
NB Switch OFF the ON / OFF switch before
removing the casing.
Never touch electrical components or contacts
when the ON / OFF switch is in the ON position.
This results in a risk of electrocution that may
lead to injury or death.
The main supply terminals are 'live' even when
the ON / OFF switch is in the OFF position.
"Safety instructions" are instructions with which
you must comply exactly, to prevent injury and
material losses.
Fig.: Terminal box: Danger from electric current
Fig.: Gas connection: Escaping gas may cause poisoning or the risk of
explosion
Fig.: Ignition transformer, high voltage ignition electrode, combustion
chamber
Risk of electrocution, risk of burning through hot components
Fig.: Gas combination valve
Danger from electric current
Escaping gas may cause poisoning or the risk of explosion