SMA SC 500HE-20 Maintenance Manua - Manual (Page 20)

6 Maintenance Under Voltage-Free Conditions SMA Solar Technology AG
20 SC500-800HE20-WH-en-10 Maintenance Manual
6.3 Replacing Ventilation Grid Mats
2. Push the button of the ventilation grid upwards. This
releases the ventilation grid.
3. Remove the ventilation grid mats.
4. Insert new ventilation grid mats. For this purpose, the fine side must be pointing outwards.
5. Close the ventilation grid. The ventilation grid
audibly engages.
Replacement of the ventilation grid mats
Ventilation grid mats are wearing parts. They must be replaced after 2 years at the latest.
Depending on the pollution of the ventilation grid mats, e.g. exposure to high levels of dust, it
may be necessary to replace these more frequently. New ventilation filter mats can be
purchased from SMA Solar Technology AG or your specialist dealer using the SMA order
number 65-1077.
1. %"/(&3
Danger to life from electric shock or electric arc when touching live components.
• Disconnect the inverter (see Section 6.1).