Do you have a question about the Biasi M90.24S and is the answer not in the manual?
Checks for gas-tightness and correct gas flow gauge.
Essential safety warnings and precautions before boiler operation.
Recommendations for annual boiler maintenance by authorized engineers.
What to do if the safety lock-out lamp comes on.
Safety warnings and regulatory compliance for boiler installation.
Instructions and precautions for mounting the boiler bracket.
Diagram showing overall dimensions and clearance requirements.
Step-by-step instructions for mounting the boiler and connecting pipes.
Instructions for fitting the chosen flue kit assembly.
Information on flue restrictors and their correct usage.
Step-by-step guide for making electrical connections.
Connecting the power supply and external controls.
How to connect a room thermostat to the boiler.
Preliminary electrical safety checks by a competent person.
Inspecting and testing the gas supply installation.
Procedure for filling the domestic hot water system.
Steps for initial filling of the central heating system.
Information on boiler ignition sequences and anti-cycling time delay.
The process of boiler ignition and burner lighting.
How to check and adjust gas pressure at the burner.
Measuring gas supply and burner pressures.
Adjusting the maximum gas pressure to the required level.
How to adjust burner ignition settings.
Warnings regarding gas conversion procedures.
Warnings that maintenance must be done by qualified personnel.











