SMA SB 3000TL-20 Installation - Manual (Page 33)

SMA Solar Technology AG Electrical Connection
Installation Guide SB30TL_40TL_50TL-IA-IEN120231 33
5.4 Connection of the PV Generator (DC)
5.4.1 Conditions for the DC connection for Sunny Boy 3000TL
2 strings can be connected to the Sunny Boy 3000TL.
• Requirements for the PV modules of the connected strings:
– Same type
– Same number
– Identical alignment
– Identical tilt
• The connecting cables of the PV modules must be fitted with plug connectors. You will find the
necessary DC plug connector for DC connection in the delivery.
Use of Adaptors
Adaptors (branch connectors) must not be visible or freely accessible in the immediate
surroundings of the inverter.
• The DC circuit may not be interrupted by adaptors.
• Observe the procedure for disconnecting the inverter as described in section
7.2 ”Opening the Inverter” (page 61).