Maintenance and Cleaning SMA Solar Technology AG
64 SMC9-11TLRP-IEN100640 Installation Guide
8.1.3 Cleaning the Air Grills
The inverter sucks air in from underneath via the fan and blows it out again through the air grills on
the upper sides. Clean the air grills if they are dirty.
Procedure
1. Remove the air grills.
Insert your finger above in the space between the
air grills and the enclosure and remove the air grills
to the side.
2. Clean the air grills with a soft brush, a paint brush,
or compressed air.
3. Re-attach the air grills to the inverter.
The air grills must be attached according to the
inside inscription ("links/left" and "rechts/right").
NOTICE!
The inverter can be damaged if insects enter!
• The air grills must not be removed permanently, because otherwise the device is not
protected against the entrance of insects.
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