SMA SB 3000TL-20 Installation - Manual (Page 40)

Electrical Connection SMA Solar Technology AG
40 SB30TL_40TL_50TL-IA-IEN120231 Installation Guide
3. Check the DC connector for correct polarity and
connect it. To release the DC connectors see section
7.2 ”Opening the Inverter” (page 61).
The Sunny Boy 3000TL is equipped with input
zone A only!
4. To create the sealing on the inverter, all the DC
inputs 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.
5. Close the lid again using the 6 screws.
Tighten the screws with 1.4 Nm torque in the order
shown in the figure on the right.