Connecting The Pv Array (Dc); Conditions For The Dc Connection - SMA SUNNY BOY 2000HF Installation Manual

Electrical Connection
6.4 Connecting the PV Array (DC)
6.4.1 Conditions for the DC Connection
Use of Y adapters for parallel connection of strings
Y adapters may not be visible within close proximity of the inverter or freely accessible.
• The DC electric circuit must not be interrupted by adaptors.
• Observe the procedure for disconnecting the inverter as described in section
8 "Disconnecting the Inverter from Voltage Sources" (page 58).
• Requirements for the PV modules of the connected strings:
– Same type
– Same number
– Identical alignment
– Identical tilt
• The connection cable of the PV modules must be equipped with connectors. The DC connectors
for the DC connection are included in the delivery.
• The following limiting values at the DC input of the inverter must not be exceeded:
Sunny Boy
SB 2000HF‑30
SB 2500HF‑30
SB 3000HF‑30
42 SB20HF-30HF-IA-IEN120431
Maximum input voltage
700 V
700 V
700 V
SMA Solar Technology AG
Maximum input current
12 A
15 A
15 A
Installation Manual