SINGLE PHASE HI 8kW | User Manual27
4.10. Earth Connection (MANDATORY)
An Earth Cable shall be connected to the earth plate on the grid size in order to prevent electric shock if the
original protective conductor fails.
All neutrals can be linked together to maintain the neutral bond. When a Neural Earth bond is required for
an ‘O-grid’ operation, then it has to be removed on ‘Grid-Tied’ operation.
If an Earth Bond is required between neutral and earth and your system is a hybrid system, then you can
have a permanent earth wire since this can cause faults with an RCD before the inverter.
Since the inverter is a true hybrid, then the bond must only be made when the inverter is operating in Island-
ing Mode. To accommodate this, Sunsynk provides an AC output, which is connected to the A/T/S connec-
tions whenever the inverter is running on Island Mode. Therefore, you can simply connect the coil of an AC
relay to the ATS 240 connections. Next, you need to select Signal Island Mode on the battery charge menu
(click on the gear icon -> battery icon), as shown in the gure below.
PLEASE NOTE
The grid power may still be present, but the inverter is not draining power from it since the unit is
working in ‘Island Mode’.
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