Maintenance
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5. Maintenance
WARNING
Any maintenance (and repair) work must only be carried out by qualified personnel.
WARNING
A proper boiler routine maintenance is an essential requirement to ensure safety.
The user is strongly advised to have the product serviced and repaired by a service centre or qualified personnel.
WARNING
Appropriate boiler maintenance ensures efficient operation, environment preservation, and safety for people, animals
and objects.
The boiler must be serviced at least once every year.
WARNING
Disconnect electric power supply before starting any maintenance procedure, involving replacement of components and/
or cleaning inside parts of boiler.
5.1 Maintenance schedule
Maintenance operations include check and cleaning procedures. In particular:
Inspections and checks
• Check general integrity of the boiler.
• Check boiler and network gas supply for leakage.
• Check gas supply pressure to boiler.
• Check boiler ignition sequence.
•
Check boiler combustion parameters by flue gas analysis.
•
Check the condition and seal integrity of the flue gas venting pipes.
• Check the state of combustion fan.
• Check integrity of safety devices of the boiler in general.
• Check for water leaks and oxidised areas on the boiler’s couplings.
•
Check efficiency of the system safety valves.
•
Check expansion vessel filling pressure.
• Check correct draining of condensate from the condensate trap installed on the boiler.
The following cleaning is to be done
• Clean the general interior of the boiler.
• Clean the gas nozzles.
•
Clean the air intake and flue gas venting circuits.
• Clean the heat exchanger.
• Clean the condensate trap and discharge ducts.
•
Cleaning system filters (if any).
When checking the boiler for the very first time, also verify:
• Boiler room suitability.
•
Diameter and length of flue gas system ducts.
• Boiler installation in accordance to this “Installation use and maintenance” manual instructions.