144
7 Cleaning and maintaining the
heating system
To ensure fault-free operation, certain cleaning and maintenance
work is necessary. This effort will help you avoid expensive repairs,
provided you maintain the recommended intervals.
The twice yearly and longer term cleaning and maintenance work
can be covered by a maintenance contract with an authorised
heating engineer.
7.1 Cleaning and maintenance schedule
The specified maintenance intervals are guidelines.
Depending on the quality of the pellets and the power used by the
heating system (more frequent on/off operation) the intervals may
be extended.
Interval Component See page ...
After approx. 2.5 t pellets / as
required
• Empty the ash box
• Check and clean the stepped grate
146
147
Every 6 months • Clean the control unit
• Inspect and clean the flue pipe
• Clean the cleaning chute
149
149
150
Every 12 months • Check and clean the ignition fan
• Check and clean the lambda sensor
• Clean the flue gas sensor
• Clean the pellet vacuum container and fill level
sensor
151
152
153
154
Before every second filling • Clean the pellet bunker 155
Table 7/1 - Cleaning and maintenance schedule
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