Viessmann Solar-Divicon-HX SCU 345 Manual

To set up the Viessmann Solar-Divicon-HX SCU 345, ensure the unit is properly installed and connected to the solar thermal system. Power up the control unit and follow the on-screen prompts to configure the language, date, time, and system parameters. Refer to the user manual for detailed instructions on initial configuration.
If an error code appears on the Viessmann SCU 345, consult the troubleshooting section of the user manual to identify the code. Most issues can be resolved by resetting the system or checking the connections. If the problem persists, contact a Viessmann certified technician.
Ensure that the solar collectors are clean and unshaded. Verify the control unit settings are optimized for your specific climate and energy needs. Regular maintenance checks on the system's fluid levels and insulation can also improve efficiency.
It is recommended to have the Viessmann SCU 345 serviced annually by a professional technician. Regular checks should include inspecting the solar collectors, verifying system pressures and temperatures, and updating software if necessary.
Software updates for the SCU 345 can be performed via a USB stick containing the update files. Insert the USB into the control unit and follow the on-screen instructions to complete the update process. Make sure to back up important settings before proceeding.
Regular maintenance tasks include checking the solar thermal fluid levels, inspecting for leaks, ensuring all electrical connections are secure, and cleaning the solar collectors to maximize efficiency.
Check if the solar collectors are clean and not obstructed, verify fluid levels in the system, and ensure all valves and pumps are operational. Examine the control settings to confirm the correct configuration. Consult the manual for specific troubleshooting steps.
The SCU 345 can be integrated with certain home automation systems that support energy management protocols. Check compatibility with your existing systems and consult a professional installer for integration.
Ensure the control unit and associated equipment are installed in a protected location, such as indoors or in a weatherproof cabinet. During extreme cold, ensure anti-freeze levels in the system are adequate. In hot weather, ensure proper ventilation around the unit.
To reset the SCU 345, locate the reset button on the unit or navigate through the menu to perform a software reset. Ensure all settings and configurations are noted, as a reset may revert the unit to factory settings.