4 connecting the pv array (dc), 1 conditions for the dc connection, Connecting the pv array (dc) – SMA SMC 7000HV Installation User Manual
Page 30: Conditions for the dc connection

Electrical Connection
SMA Solar Technology AG
30
SMC70HV11-IA-IEN112970
Installation Manual
5.4 Connecting the PV Array (DC)
5.4.1 Conditions for the DC Connection
• 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 equipped with plug connectors.
The DC connectors for the DC terminal are included in the delivery.
• The following limit values at the DC input of the inverter must not be exceeded:
Using Y adapters for parallel connection of strings
Y adapters may not be visible within close proximity of the inverter or freely accessible.
• The DC circuit may not be interrupted by Y adapters.
• Observe the procedure for disconnecting the inverter as described in section
7.2 "Opening the Inverter" (page 56).
Maximum input voltage
Maximum input current
800 V (DC)
23.0 A (DC)
DANGER!
Risk of lethal electric shock or fire!
The maximum possible input current per string is limited by the plug connectors used. If the
plug connectors are overloaded, an electric arc may occur and there is a risk of fire.
• Ensure that the input current for each string does not exceed the maximum flow
current of the plug connectors used.