Viessmann VITOLIGNO 300-H Series Operating Instructions Manual page 48

Boilers for woodchips and pellets with ecotronic weather-compensated, digital boiler and heating circuit control unit
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Maintenance
Overview of maintenance and cleaning work
Interval
Activities
After 4000 to 6000 hours run
Check combustion grate limit position
Service the safety valves and check their
operation
Check gaskets
Clean flue system and check it is working
correctly
Emissions testing
Every 3 years
Lubricate the drive chains and drive unit
bearings
Every 5 years
Replace the battery inside the control unit
After maintenance has been carried out
Maintenance confirmation and reset (con-
trol unit)
Note
The cleaning intervals are intended as a guide that can
be adapted, if required, to the fuel quality and operat-
ing conditions.
Maintenance and cleaning work on the fuel discharge system
Interval
Activities
Fuel discharge system maintenance:
Fuel discharge system installation
and service instructions
Maintenance and cleaning work on the fuel store
Interval
Activities
After 2 or 3 deliveries
Clean pellet storage room
After 2 years
Clean pellet storage room
*2
6000 hours when operating with pellets, 4000 to 6000 hours when operating with woodchips, interval subject to fuel quality.
48
*2
(cont.)
See page System user
See page
System user
See page
System user
54
X
54
Heating contrac-
tors
X
X
X
X
X
X
X
X
Heating contrac-
tors
X
Heating contrac-
tors
X

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