Installation Guide

For three phase inverters 9kW, 10kW and 20kW - Connect the DC wires from the
PV installation to the DC+ and DC- terminal blocks, according to the labels on
the terminals:
Use a standard flat-blade screwdriver to connect the wires to the spring-
clamp terminals. The screwdriver blade should fit freely in the terminal
opening. Too large a blade can crack the plastic housing. See Figure 23
Insert the screwdriver and firmly tilt it to press the release mechanism and
open the clamp.
Insert the wire into the front opening .
Remove the screwdriver – the wire is automatically clamped. Check that the
wire is fully inserted and cannot be pulled out easily.
Figure 23: DC Spring-clamp terminal example - 9kW, 10kW and 20kW inverters
For three phase inverters 14.4kW and 33.3kW – Connect the DC wires from the
PV installation to the DC+ and DC- terminal blocks :
Insert the screwdriver into the front opening and rotate it counterclockwise
to activate the clamp mechanism. The side latch holds the clamp in the open
position.
Insert the wire into the side opening as deep as possible.
Slightly rotate the screwdriver counter-clockwise to release the latch.
Remove the screwdriver – the wire is safely clamped.
-Three Phase System Installation Guide MAN-01-00002-4.3
50 Connecting the Strings to the Safety Switch