Maintenance and cleaning
SMA America, LLC
72
SB20_25_30HFUS-eng-IUS113711
Installation Guide
5. Clean the fan with a soft brush, a paint brush, or a
damp cloth.
6. Insert the fan and the fan bracket into the guide rail
and push upwards.
7. Plug the fan plug into the socket. A click sound can
be heard by propper connection. Pull the fan plug
slightly to ensure proper connection.
8. Close SMA DC-Disconnect (see section 8.3 ”Closing the SMA DC-Disconnect” (page 67).
9. Commission the Sunny Boy (see section 7 ”Commissioning” (page 63)).
☑ The fan has been cleaned.