| Code | Description |
|---|---|
| A | Supply air fan |
| B | Extract air fan |
| 1 | Fine filter |
| 2 | Wing bolts |
| 3 | Quick connector of the cable |
To clean the extract air fan:
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Disconnect the ventilation unit from the mains electricity supply.
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Lift the latch to open the door of the ventilation unit.
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Lift the door off.
Caution
The door is heavy.
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The fan has been fastened on the mounting plate with wing bolts (2). Remove the wing bolts and lift the fan out of the unit.
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Disconnect the quick connector of the fan cable (3).
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Clean the fan. The fan blades can be cleaned with compressed air (wear protective goggles) or by brushing them gently. Do not remove or move the fan blade balancing weights.
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To reassemble the ventilation unit, follow the above steps in reverse order.
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Close the door of the unit. Ensure that the safety switch catch of the door is touching the safety switch, allowing the unit to be turned on.
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Plug the ventilation unit back into the mains.
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The extract air fan has now been checked and cleaned.