SMA SC 500HE-20 Installation - Manual (Page 37)

SMA Solar Technology AG 9 AC and DC Connection
Installation Manual SCxxxHE-20-IA-IEN111210 37
Grounding the PV modules
Depending on the configuration option, you can connect positive or negative grounded PV modules,
or ungrounded PV modules, to the Sunny Central.
9.3 Connection area
9.3.1 DC Fuses
Figure 13: Connection area (example)
Position Description
A Connection lug PE cable
B Connection lugs DC‒ cables
C Connection lugs DC+ cables
D Connection lug AC cable - line conductor L
3
E Connection lug AC cable - line conductor L
2
F Connection lug AC cable - line conductor L
1