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5. MAINTeNANCe
Any maintenance (and repair) work must only be carried out by qualified personnel.
The user is strongly advised to have the boiler serviced and repaired by a qualified Service Centre.
Appropriate boiler maintenance ensures efficient operation, environment preservation, and safety for people, animals and objects.
5.1.
Maintenance schedule
The boiler must be serviced at least once every year.
Disconnect electric power supply before starting any maintenance procedure, involving replacement of components and/or
cleaning inside parts of boiler.
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 valve;
- 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 nozzle;
- clean the air intake and flue gas venting systems;
- clean the heat exchanger;
- clean the condensate trap and discharge ducts.
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.
Should the boiler not operate correctly, while not posing danger to people, animals or property, notify the system supervisor both
verbally and in writing.
5.2.
Combustion analysis
The combustion parameters of the boiler, which have to be checked in order to determine efficiency and emissions, must be measured in
compliance with applicable legislation and standards.
