SMA Solar Technology AG
• L1 to PE, L2 to PE, L3 to PE
L1+
L2+
L‒
PE
7. Discharge the DC inputs at the contact points L1+ to grounding conductor, L2+ to grounding
conductor, L- to grounding conductor, L1+ to L- and L2+ to L-.
Replacement Manual
5 Disconnecting the Inverter from Voltage Sources
L1 L2
L3 N
STPTL-30-H-AST-RM-xx-10
PE
19