SMA SC 100LV-560HE - Manual (Page 35)

SMA Solar Technology AG Electrical Connection
Installation Guide SC125_560HE-IEN083220 35
Procedure for power cabling:
1. The lower power unit has to be connected first, then the middle one and finally the top one.
2. The power cables with the delivered cable clamps have to be clamped into the corresponding
cable clamp rail.
3. Feed the cables through the opened side wall above the cabinet bottom plates, reinsert them in
the area of the AC cabinet and connect to the sine filter choke.
The following figure shows the terminal lugs at the three power units in the DC / inverter cabinet and
the connection of the power cables to the sine filter in the AC cabinet of the Sunny Central 500HE /
Sunny Central 560HE.
A Terminal lugs Sine filter choke
B Terminal lugs Power unit
L-
L+
L-
L+
L-
L+
H1-02 H1-02
L+ L-
L+ L- L+ L-
L+ L-
L+ L-
M3-810 M3-810
L+ L-
L+ L-
A B A A