Viessmann Vitotronic 300 GW2B Installation Instructions
![Viessmann Vitotronic 300 GW2B Control Unit manual cover](/images/XJnAgCcAtnHlgnzuohGwhixl/thumbs/thumb175x175.webp)
To reset the Viessmann Vitotronic 300 GW2B Control Unit, press and hold the reset button located on the control panel for about 5 seconds until the display resets.
First, check the power supply and ensure the unit is properly connected. If the issue persists, try resetting the unit. If it still does not respond, contact a professional technician.
Use the main control dial to navigate to the temperature settings menu. Adjust the desired temperature using the up and down arrows, then press OK to confirm.
Ensure that all circuit breakers are on and check if the boiler pump is operating. If the problem persists, there might be an issue with the gas supply or a fault in the system that requires professional inspection.
Access the 'Program' menu using the control dial, select 'Weekly Schedule,' and set your desired heating times for each day. Save the schedule by confirming with the OK button.
Regular maintenance includes checking electrical connections, cleaning the unit's exterior, and ensuring that all sensors and settings are functioning correctly. Annual professional servicing is recommended.
Software updates for the Vitotronic 300 GW2B should be performed by a certified technician during routine maintenance, as they require special equipment and knowledge.
Error code F4 indicates a flame detection fault. Check the gas supply and ensure that the burner is clean. If the error persists, contact a professional for service.
Yes, the Vitotronic 300 GW2B can be controlled remotely using the Viessmann app, provided the control unit is equipped with the necessary connectivity modules.
Turn the main control dial to the 'Mode' section, where you can choose between automatic, manual, and holiday modes. Confirm your selection with the OK button.