SMA SB 6000TL‑US Installation - Manual (Page 60)

9 Maintenance SMA America, LLC
60 SB6-11TL-US-IA-en-13 Installation Manual
9 Maintenance
Regular maintenance ensures a long operating life and optimum efficiency of the entire PV plant.
9.1 Cleaning the Fans
The Sunny Boy is fitted with two fans on its underside.
The fan intakes and handle covers should be cleaned periodically with a vacuum cleaner. For more
thorough cleaning, completely remove the fans.
1. Disconnect the Sunny Boy on the AC and DC sides.
2. Wait 5 minutes until the residual voltage has been drained and the fans are no longer turning.
Cleaning the Fan Guards
3. Removing the fan guards:
– Press both latches on the right edge of the fan
guard to the right using a screwdriver and
loosen from the retainer.
– Carefully remove the fan guard.
4. Clean the fan guards with a soft brush, a paint brush, a cloth or compressed air.
Potential damage to the fans due to compressed air
• Do not use compressed air for cleaning.
• Use a soft brush or a cloth for cleaning.
• Always remove the fans for cleaning.