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Maintenance table Cleaning and maintenance
2.3 Maintenance table
Clean the boiler at least once per year, or when requested by the control system. Maintenance is necessary at
least every 3 years, or when requested by the control system. We recommend you perform maintenance
annually.
Tasks
Regular
ly
Cleaning
annually
Maintenan
ce
at least
every 3
years
to be
performed by
Empty the ash box
• Empty the ash box
• Check seals
X X X Customer
Check the pressure of the heating system X X X Customer
Check the safety devices
• Visual check of the safety valves
• Visual check of the thermal relief valve
X X
Customer or
specialist
Chimney
• Clean the flue tube
• Flush the chimney's condensate drain
X X
Customer or
specialist
Clean the combustion chamber
• Clean inside of the secondary combustion chamber
• Clean the inner walls of the combustion chamber
• Clean the ignition tube
• Check the movability of the firebed switch
• Check seal on the maintenance cover
X X
Customer or
specialist
Clean the draught fan X Specialist
Clean the temperature sensor X Specialist
Clean the heat exchanger
• Clean the topside of the heat exchanger
• Check the heat exchanger tubes
• Clean the lambda probe
• Check seal on heat exchanger cover
X Specialist
Check the combustion chamber
• Checking the firebed lever and firebed switch
• Dismantle the ignition and clean the ignition tube
X Specialist
Check the pellet hopper
• Clean the fill level sensor
• Clean the strainer
X Specialist
Check the stoker unit
• Check the stoker drive chain
X Specialist
Check the drive chains
• Check the grate drive chain
• Check the de-ashing drive chain
X Specialist
Check the air valves for primary and secondary air X Specialist
Checking the ash box position switch X Specialist
Calibrate the lambda probe X Specialist
Reset the maintenance counter X Specialist
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