Bosch wall-hung boiler using tutorial

1. After opening the wall-hung boiler, the first minus button on the left is the button responsible for setting the heating temperature drop, as shown in the figure below:

2. The plus key next to it is the key to increase the heating temperature, as shown in the following figure:

3. The plus key on the right is the key to increase the temperature of hot water, as shown in the figure below:

4. The button on the right is responsible for the temperature drop of hot water, as shown in the figure below:

5. The last button is the winter and summer switch button. Click to switch the winter and summer mode, as shown in the figure below: