SMA SC 500HE-20 Installation - Manual (Page 44)

9 AC and DC Connection SMA Solar Technology AG
44 SCxxxHE-20-IA-IEN111210 Installation Manual
9.7 Connecting the AC Cables
1. Insert the AC cables through the base into the connection cabinet.
2. Strip the AC cable insulation.
3. Fit the AC cables with terminal lugs.
4. Connect the AC cables to the AC busbar according to the circuit diagram and the instructions
in section 9.4.
9.8 Mounting the kick plates
1. Mount the kick plates at the front of the inverter in the prescribed position.
2. Attach the kick plates to the inverter using a Torx screwdriver.
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Risk of lethal electric shock. High voltages are present on the voltage carrying
components of the low-voltage and medium-voltage grids.
• Observe all safety regulations for working with the low-voltage grid and medium-voltage grid.
• Disconnect the miniature circuit breakers and ensure that they cannot be accidentally
reconnected.
• Disconnect the inverter from the DC sub-distribution and DC main distribution.
• Ensure that no voltage is present.
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Risk of fire. Differing cable lengths lead to overheating of the cables.
• All cables of the line conductors must be of the same length.