Product manual

Installation
Figure 16 grounding of system
20
Socket element with threaded sleeve
Pressure screw
Threaded sleeve Pressure screw
PV String
Inverter
PE
L
N
PV module frame
AC Switchboard
EARTH
LINK
Neither positive nor negative could grounding because of no transformer, or it will break
down.
Step 4: Screw down the threaded sleeve.
Step 5: Screw down the pressure screw.
Step 6: Connect AC connector to inverter.
In the system, all non-current-carrying metal parts (such as shell of combiner, distribution and inverter)
should be connected to the earth.
5.7.5 Grounding
5.7.6 Connection of Communication
Please refer to part 8.2.2.