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How to use the touch screen of German Germa wall-hung boiler
1, the top button on the right is the wall-hung boiler. Press the power button to turn it on.

2. On the left is the mode button. When this button is turned on, two modes will be displayed, one is winter mode and the other is summer mode. Just make your choice.

3. Because it is said that there are three keys, there is another key below, which is the setting key. Generally, you can adjust the temperature by setting the key, such as selecting up and down through the above two keys.