Cleaning The Fan Guards - SMA SUNNY MINI CENTRAL 4600A Installation Manual

SMA Solar Technology AG
4. Check the fans' air flow.
The inverter takes cooling air in from underneath and then blows it back out on the upper sides.
Listen for any unusual noise, which could indicate incorrect installation or that the fans are faulty.
5. After checking the fans, remove the jumper. Open and close the inverter as described in section
7 "Opening and Closing" (page 55).
☑ The test of the fans has been completed.
8.2.3 Cleaning the Fan Guards
The inverter takes cooling air in from underneath via the fans and blows it out again through the fan
guards on the upper sides. Clean the fan guards if they are dirty.
Procedure
1. Remove the fan guards.
Insert your finger above in the space between the
fan guard and the enclosure and remove the fan
guard to the side.
2. Clean the fan guards with a soft brush, a paint
brush, or compressed air.
3. Re‑attach the fan guards to the inverter.
The fan guards must be attached according to the
inside inscription ("links/left" and "rechts/right").
NOTICE!
Risk of damage to the inverter through intrusion of insects.
• The fan guards must not be removed permanently, because otherwise the device is
not protected against insects entering.
Installation Manual
Maintenance and Cleaning
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