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4.7. Earth Connection (MANDATORY)
An Earth Cable shall be connected to 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 Neural Earth
bond is required for ‘Off-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 Islanding Mode. To accommodate this, Sunsynk provides an AC output,
which is connected to the A/T/S connections 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 figure below.
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