Install Manual

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 24
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 24: 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-01-00527-1.4
46 Connecting the Strings to the Safety Switch