SMA SC 500HE-20 Maintenance Manua - Manual (Page 19)

SMA Solar Technology AG 6 Maintenance Under Voltage-Free Conditions
Maintenance Manual SC500-800HE20-WH-en-10 19
8. Switch off the miniature circuit-breaker of the grid
monitoring.
9. Ensure that all poles are dead.
10. Earth and short-circuit.
11. Cover or safeguard any adjacent live components.
12. Wait 12 minutes for the capacitors to discharge.
6.2 Disassembling the Panels
2. Remove the panel screws using a Torx screwdriver.
3. Loosen the earthing cables of the panels.
4. Remove the panels.
5. Remove protective covers.
6. Ensure that no voltage is present:
• AC connection lugs
• DC connection lugs/DC busbars/DC terminals
1. %"/(&3
Danger to life from electric shock or electric arc when touching live components.
• Disconnect the inverter (see Section 6.1).