Changing The Operating Mode - Webasto 1533 Bedienungs- Und Wartungsanweisung

Changing the operating mode

D
Press the button.
GB
Press again and hold it.
The last mode (heating or ventilation ) is displayed.
Press the button "Forward" or "Reverse" as well to change back and
forth between heating or ventilation .
Note:
The mode can only be changed with certain heater versions.
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