Viessmann Vitola-Biferral Dual-Energy BEA-18E Installation Manual
![Viessmann Vitola-Biferral Dual-Energy BEA-18E Boiler manual cover](/images/ywrswsTidjRwmIAFVDHkdRbi/thumbs/thumb175x175.webp)
To switch between oil and gas modes, access the control panel and select the energy source option. Follow the on-screen instructions to change the mode. Ensure that the respective fuel supply is available and operational.
It is recommended to have an annual maintenance check by a certified technician. This includes cleaning the heat exchanger, checking the burner and ignition system, and inspecting all safety controls and fuel connections.
First, check if the thermostat is set correctly and the boiler is powered on. Verify that the fuel supply is not depleted. Inspect the system for error codes and refer to the manual for specific troubleshooting steps.
Unusual noises can be due to air trapped in the system, sediment build-up, or a failing pump. Bleed radiators to remove air, and consider flushing the system if sediment is suspected. If the noise persists, contact a qualified technician.
Consult the user manual to identify the error code. Most codes will have specific troubleshooting steps. For unresolved issues, contact a certified service technician for further diagnosis and repair.
Temperature adjustments can be made via the boiler's control panel. Navigate to the temperature settings and adjust according to your preference. Ensure the temperature remains within safe operating limits.
Yes, the Vitola-Biferral BEA-18E is designed to provide both heating and hot water. Ensure the system is set up correctly, with the appropriate plumbing connections for dual functionality.
Signs include unusual noises, frequent cycling on and off, inconsistent heating, and visible leaks. If you notice any of these issues, schedule a service appointment.
To reset the boiler, press the reset button on the control panel. Hold for a few seconds until the system restarts. If the fault persists, refer to the manual or contact a technician.
Yes, condensation is normal when the boiler operates in high-efficiency mode. Ensure the condensate drain is clear and functioning correctly to prevent overflow or leaks.