Replacing Fuses; Cleaning Information; Maintenance Intervals - Viessmann VITOLIGNO 300-H Operating Instructions For The System User

Replacing fuses

Danger
Contact with 'live' components of
the control unit can lead to fatal
injury due to electric shock.

Cleaning information

Have a heating contractor clean the inte-
rior of the boiler once a year.
Danger
Fire from openings and hot sur-
faces can cause dangerous inju-
ries.
■ Never open doors or covers on
the boiler during heating oper-
ation.
■ Only open the boiler after it has
cooled down.
Danger
During maintenance and clean-
ing work, and when manipulating
the ash box, there is a risk of fire
and burns due to hot parts and
ash.
■ Wear suitable safety gloves.
■ Only dispose of the ash in fire-
proof containers with covers.

Maintenance intervals

Note
The cleaning intervals can vary signifi-
cantly, subject to the fuel used.
Maintenance and cleaning
Only a heating contractor may
replace fuses.
Danger
There is a risk of falling due to
slipping and tripping on the ash
box.
Do not stand on the ash box.
Note
Before restarting the system, all opened
covers and flaps on the boiler must be
closed again.
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