1 Press the |inline button to switch the ventilation system off.

2 Dismantle the ADB center cover.

3 Disconnect the C1 socket to disconnect the power supply.

(((If you have the solar kit Disconnect the solar panel and the battery.

)))

5 Dismantle the upper cover of the rooftop unit.

6 Remove the outside air filters.

7 Insert new outside air filters.

8 Ensure that the interior walls and fan flaps are inserted correctly.

9 Remount the upper cover of the rooftop unit.

(((If you have the solar kit

1: Battery cable 2: Solar panel cable 3: 12 V connection cable C1: Input power supply from the vehicle battery C14: Solar panel connection C15: Battery +/– connection C16: Battery thermistor connection

10a Reconnect the solar panel cable (2) to the solar panel connection (C14).

10b Reconnect the 12 V connection cable (3) to the input power supply from the vehicle battery (C1).

10c Reconnect the battery cable (1) to the battery thermistor connection (C16) and the battery +/- connection (C15).

)))

11 Clip the ADB center cover to the interior cover.

12 Replace the ADB center cover.

13 Press the |inline button to switch the ventilation system on.

14 Press the |inline button for 3 s to reset the air filter status.

ACC3100 Roof Vent

The outside air filter is blocked

Replace the outside air filter

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