SMA SC 400HE Installation - Manual (Page 39)

SMA Solar Technology AG Internal Electrical Connections
Installation Guide SCxxxHE-IEN104432 39
Procedure for power cabling:
1. First connect the lower power unit followed by the middle unit and then the upper unit.
2. Affix the 3 power cables of the respective external conductor to the stabilizer bars using cable
ties.
3. Feed the power cables through the opening in the side wall above the cabinet plate and feed
back in at the area of the AC cabinet.
4. Use cable ties to bind the power cables to the plates of the switch cabinet.
5. Connect the 3 power cables of the respective external conductor to the sine-wave filter.
NOTICE!
Warming of the Sunny Central due to cable routing near the internal fans.
• In the left cabinet system, lay the power cables to the left and right of the three
internal fans in order to avoid affecting their function.