Installation
Step4: Screw down the threaded sleeve.
Step5: Screw down the pressure screw.
Step6: Connect AC connector to inverter.
5.7.5 Grounding
Neither positive nor negative could grounding because of no transformer, or it
wil break down.
In the system, all non-current-carrying metal parts (such as shell of combiner, distribution and inverter)
should be connected to the earth.
Figure 16 grounding of system
5.7.6 Connection of communication
Please refer to part 8.2.2
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
