SMA SB 1200 Installation - Manual (Page 34)

Electrical Connection SMA Solar Technology AG
34 SB12-17-IA-en-52 Installation Guide
4. Check the strings for ground faults, as described in section 9.3.1 ”Checking the PV Generator
for a Ground Fault” (page 57).
5. Check the DC plug connector for correct polarity and connect it.
To release the plug connectors see section 7.2 ”Opening the Inverter” (page 45).
6. To create the sealing on the inverter, all the DC
inputs that are not needed must be closed as
follows:
– Insert the sealing plugs provided into the DC
plug connectors that are not required.
Do not insert the sealing plus into the DC inputs
on the inverter.
– Insert the DC plug connectors with sealing plugs
into the corresponding DC inputs on the inverter.
DANGER!
Risk of lethal electric shock.
• Do not connect strings with ground faults.
• First, rectify the ground fault in the respective string.