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Lists safety devices that lock the appliance and require a reset.
Lists safety devices that do not require a reset after the fault clears.
Describes the burner startup procedure when the boiler has been switched off.
Describes the burner startup procedure when the boiler is already on.
Explains how the burner power is regulated based on temperature.
How tank heating is controlled via thermostat or thermistor.
Maintains primary circuit temperature for improved DHW comfort and reduced waiting.
Function activated when heating circuit temperature falls below 12°C to prevent freezing.
Protects the boiler against overheating using temperature sensors.
Allows adjustable burner power in heating mode.
Enables controlled ignition of the burner.
Sets burner power to d00 value in heating mode.
Procedure for refilling the appliance.
Activates installation venting for 5 minutes with pump cycles.
Activates appliance venting, useful during filling.
Operations required for gas conversion, including valve and injector changes.
Procedure to adjust minimum burner power using test mode and service menu.
Procedure to set maximum burner pressure using test mode and service menu.
Checklist for electrical connections, pressurising, and initial setup.
Checklist for running the appliance and configuring parameters.
Lists recommended annual checks for DWH flow rate, gas valve, NTCs, etc.
How to check the fault history for repetitive faults during maintenance.
How to check ionisation quality using after-sales menu (d44).
General| Mounting | Wall-mounted |
|---|---|
| Power Output | 23 kW |
| Fuel Type | Natural Gas / LPG |
| Weight | 31 kg |
| Combustion chamber | Closed |
| Nominal Gas Pressure | 20 mbar |
| Voltage | 230 V |
| Protection Class | IPX4D |
| Max Water Temperature | 80 °C |
| Ignition | Electronic |
| Type | Gas condensing boiler |
| Heating Method | Condensing |
| Safety Features | Overheat protection, frost protection |
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