SMA PVO-N-20 - Manual (Page 39)

SMA Solar Technology AG 7 Electrical Connection
Installation Manual PVO-BOX-IA-en-10 39
7.3.3 Connecting the PV Array (DC)
1. Disconnect the SMA PV Offset Box from all voltage sources (see Section 9).
2. If the necessary DC terminals are free on the
inverter, connect the SMA PV Offset Box directly to
the inverter. To do this, fit the connection cables with
the respective mating connectors.
3. If the necessary DC terminals are not free on the inverter, connect the respective DC outputs of
the SMA PV Offset Box using Y plugs, as follows:
• Disconnect the PV cables from the PV array.
• Split the PV cables between the inverter and
PV array.
• Fit the open cable ends with mating connectors
and connect to the Y plug. Connect the inverter
to the plug which has a direct connection to the
PV array.