6 Electrical Connection
SMA Solar Technology AG
36
SB13_21TL-IA-en-65
Installation Manual
Procedure:
1. Ensure that the inverter is disconnected from the power supply (see Section 8).
2. Remove all screws from the enclosure lid and pull the enclosure lid evenly forward and off.
3. Remove the protective conductor (PE) connection from the bottom of the enclosure lid.
4. Prepare the cable as follows:
• Strip the the cable jacket by a maximum of 15 mm.
• Strip the conductor insulation by max. 8 mm.
5. Prepare the cable gland PG16 for connection to the fault indicator relay as follows:
• Remove the swivel nut from the cable gland and remove the filler plug.
• Remove the one-hole cable support sleeve from the cable gland and insert the cable into the
cable support sleeve.
• Press the cable support sleeve with the cable into the cable gland and lead the cable into
the inverter.
• Screw the swivel nut onto the cable gland.
6. Connect the cable to the fault indicator relay according to the circuit diagram.
7. Tighten the swivel nut of the cable gland.
8. Execute the protective conductor (PE) connection
from the inverter to the bottom of the enclosure lid.
9. Fasten the enclosure lid to the inverter by evenly tightening the 4 lid screws (torque: 2 Nm).
