Viessmann VITOLIGNO 300-H Series Operating Instructions Manual page 49

Overview of maintenance and cleaning work
Maintenance and cleaning work on the electrostatic precipitator
Interval Activities
Every 2 to 4 weeks
Electrostatic precipitator maintenance:
Electrostatic precipitator installation
and service instructions
Tasks for heating contractors
See the boiler installation and service instruc-
tions
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.
Switch OFF the power supply, e.g. at a sepa-
■
rate MCB/fuse or a mains, and check the sys-
tem is disconnected.
■ Safeguard the system against reconnection.
Danger
Hot surfaces and fluids can lead to burns or
scalding.
■ Before maintenance and cleaning work, switch
OFF the system and let it cool down.
■ Never touch hot surfaces on the boiler, burner,
flue system or pipework.
Wear suitable personal protective equipment.
■
Danger
Hot surfaces and fire from apertures can result
in severe burns.
Doors, covers and apertures fastened shut
■
with screws must not be opened during heat-
ing operation.
■ Switch OFF the boiler before maintenance and
cleaning work and allow the boiler to cool
down.
Do not touch hot surfaces on or in the boiler,
■
burner, flue system or pipework.
■ Wear suitable personal protective equipment.
(cont.)
See page System user
X
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.
Danger
When operating the ash box, there is a risk of
fire and burns due to hot ash.
■ Wear suitable personal protective equipment,
particularly protective gloves.
Only dispose of the hot ash in fireproof con-
■
tainers with covers.
Danger
Disposal of hot ash in an unsuitable vacuum
cleaner creates a risk of fire from the ignition of
filters and plastics.
Use an ash vacuum cleaner that is specially
■
designed for this purpose.
■ Never use domestic vacuum cleaners made of
plastic with fabric/paper filters.
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.
Maintenance
Heating contrac-
tors
49