Viessmann VITOTRONIC 300 GW2 Operations Instructions download pdf (Page 20)

Settings

Resetting the time and date

The time and date are preset in the factory and can be changed manually.

Time

DDate

1. Open the hinged cover on the

programming unit.

2. uý Press uý; the ”Time”

appears in the display

window.

3. / Press / until the

required time appears.

4. Press to confirm;

the display changes and

shows the ”Date”.

5. / Press / until the

required date appears.

6. Press to confirm;

the display changes and

shows the boiler temperature.

7. Close the hinged cover on the

programming unit.

Selecting the language

Outdoor temperature

ºC

English

1. Open the hinged cover on the

programming unit.

2. Press the heating circuit selector

button; the button is illuminated.

3. Press ; the ”Outdoor

temperature” appears in

the display window.

4. Press until the required

language appears.

5. Press to confirm;

the display changes and

shows the boiler temperature.

6. Close the hinged cover on the

programming unit.

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Viessmann VITOTRONIC 300 GW2 Operations Instructions Page 20