Fan
- Unpack unit and take off cover.
![](../Images/png/72151435__Web.png)
- To release the cover’s locking hook, unlock using a screwdriver.
![](../Images/png/73295883__Web.png)
- Fit supplied foam strip centred in socket.
The foam strip must be fitted to the ECA 100 ipro H and KH, so that the units do not draw in any unwanted air from outside.