Table of Contents
Advertisement
5. Maintenance
WARNING
Any maintenance (and repair) work must only be carried out by qualified personnel.
The user is strongly advised to have the product serviced and repaired by a service centre or qualified personnel.
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 minimum and maximum gas pressures to boiler nozzles.
• Check boiler ignition sequence.
• Check the condition and seal integrity of the flue gas venting ducts.
• Check air pressure switch operation.
• 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 water pressure switch efficiency.
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.
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.
WARNING
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.
Maintenance
45
Advertisement
Table of Contents
