SMA SUNNY MINI CENTRAL 6000TL - Page 35

SMA Solar Technology AG Electrical Connection
Installation Guide SMC6-8TL-IEN101040 35
4. Check the strings for ground faults, as described in section 9.3.1”Checking the PV Generator
for a Ground Fault” (page68).
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52).
6. To create the sealing on the inverter, all the DC
inputs that are not needed have to be closed as
follows:
– Insert the provided sealing plugs into the
unneeded DC plug connectors.
Do not insert the sealing plugs into the DC
inputs on the inverter.
– Insert the DC plug connectors with sealing plugs
into the corresponding DC inputs on the inverter.
7. Check the Electronic Solar Switch for wear, as
described in section 8.2”Checking the Electronic
Solar Switch (ESS) for Wear” (page60) and
attach it firmly.