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Steps required before the authorised service engineer starts the boiler.
Procedure for lighting the boiler correctly, including display symbols.
Guide to error codes displayed on the boiler and their corrective actions.
Steps for fixing the boiler to the wall and connecting gas and water inlets.
Guidance on installing coaxial or separate flue and air ducts for exhaust and air intake.
Instructions for correctly connecting the boiler to the 230V power supply and earth system.
Procedure for converting the boiler to natural gas (G20) or liquid gas (G31) by authorised service.
Guide to setting various boiler parameters using the control buttons and display.
Overview of the boiler's safety devices and their functions, like pressure switches and thermostats.
Method for measuring combustion efficiency and toxicity of flue products using test points.