Electrical Connection SMA Solar Technology AG
42 SMC6-8TL-IEN101040 Installation Guide
Procedure
1. Open the inverter as described in section 7.2”Opening the Inverter” (page52).
2. Insert the cable into each inverter.
Use one of the two cable glands (F) on the right hand side.
3. Draw the cable along the cable route (E) as far as the terminal block (B).
4. Ground the cable shield in each inverter to the PE connector (D).
5. Sheath the positive and negative cable conductors in each inverter with end sleeves.
6. Connect the positive and negative pole to the
corresponding screw terminals.
7. In order to connect the three inverters together, connect the positive and negative conductors
from the two other inverters to the terminal block of the middle inverter.
D PE connector
E Silicone tube / cable route
F Cable glands
DANGER!
Danger to life through high voltage if there is a fault with the SMA Power
Balancer cable.
• Sheath the positive and negative cable conductors in each inverter using the
enclosed silicone tube.
• Cut the silicone tube to the required length.
• The silicone tube must completely cover the cable inside the inverter enclosure.
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