SMA STP 15000TL Installation - Manual (Page 34)

Electrical Connection SMA Solar Technology AG
34 STP20TLHE-IA-IEN122222 Installation Manual
6.4 Connecting the PV Array (DC)
6.4.1 Conditions for DC Connection
The inverter has 2 input areas, "A" and "B", each with its own reverse current protection. In total, up
to 6 strings can be connected.
• Requirements for the PV modules of the connected strings:
– Same type
– Same quantity of PV modules connected in series
– Identical alignment
– Identical tilt
• The connecting cables of the PV modules must be equipped with connectors. The DC connectors
for DC connection are included in the scope of delivery.
Use of Y adaptors
Y adaptors must not be visible or freely accessible in close proximity to the inverter.
• The DC electric circuit must not be interrupted by Y adaptors.
• Observe the procedure for disconnecting the inverter as described in
Section 8 "Disconnecting the Inverter from Voltage Sources" (page 58).