Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 8

Information
Intended use
(cont.)
Incorrect usage or operation of the appliance (e.g. the
appliance being operated for longer periods when
open) is prohibited and will result in an exclusion of lia-
bility. Incorrect usage also occurs if the components in
the heating system are modified from their intended
use (e.g. if the flue gas and ventilation air paths are
sealed) or if other fuels than those intended for this
appliance are used.
Safety instructions regarding maintenance and cleaning
Danger
Touching live components can result in life
threatening injuries. After switching off the
ON/OFF switch on the control unit, there are still
live components inside the control unit enclo-
sure.
■ 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.
■
Danger
There is a risk of fire and burns due to hot com-
ponents and cinders.
■ Switch off the boiler and let it cool down.
Carry out maintenance and cleaning work only
■
on central heating boilers that have cooled
down.
■ Allow hot components to cool down before
removing.
■ Wear suitable personal protective equipment,
in particular protective gloves.
8
Danger
Risk of crushing or entanglement due to rotating
and moving parts.
Do not reach in through the maintenance cov-
ers.
Do not remove any protective covers.
Danger
Wood dust, pellet dust, cinders and soot pose a
risk to the eyes, skin and airways.
Wear suitable personal protective equipment,
especially breathing equipment and safety gog-
gles.
Note
Before restarting the heating system, all opened cov-
ers and flaps on the boiler must be closed again.
Note
Observe the country-specific regulations on the dis-
posal of materials, waste and system components.