
11
Figure 4.1-4
Figure 4.1-5
cable core section after crimp
Figure 4.1-6
Figure 4.1-7
L----line N----neutral PE----earth
back-up
terminal
grid terminal
pan head screw
4.2 PV Connection
Before connecting the PV panels, ensure the plug connectors have the correct
polarity. Incorrect polarity could permanently damage the inverter.
Check the short-circuit current of the PV string. The total short-circuit current
must not exceed the inverter’s maximum PV current.
The PV array should not be connected to the grounding conductor.
Please use the PV plugs provided in the accessory bag.
The system designer or installer must ensure that the minimum array
insulation resistance to the ground, when selecting the PV panel and