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189212 RCD-2
Index C
8.4.5 DC/AC converter
Description
- The inverter converts the DC voltage of the service battery bank to AC voltage. The circuit
between the inverter and the batteries is protected by a fuse or a circuit-breaker.
- The inverter is earthed by an earthing plate located under the hull (see Chapter: E
ARTHING
PLATES
).
- The voltage measurement delivered at the converter output is visible on the touch screen.
Operation
Power supply for the AC electric sockets 220 V in the cabins:
Once there is sufficient nominal voltage coming from the AC switch panel, AC
power is supplied by the socket onshore or by the generator.
If there is insufficient nominal voltage coming from the AC switch panel, the AC
power supply automatically switches over to the inverter. In this way, the power for
the 220 V sockets in the cabins can be supplied by the inverter, itself being supplied
by the service battery bank. Be careful to disconnect the inverter circuit, to prevent
the AC power supply automatic switching over and to prevent the accidental
discharge of the service battery bank:
- either by putting the inverter's circuit-breaker in the OFF position,
- or by putting the switch located on the inverter in the OFF position.
Simply cutting the AC power supply at the switch panel does not cut the AC power
supply to the cabins: it is also necessary to disconnect the DC supply.
Operation
- The inverter is fully automatic.
- A remote control is located near the boat's switch panel. To start the converter put the switch
on the invertor in the "REMOTE" position then put the switch located on the remote control in
the "ON" position.
- If the switch on the inverter is in the "OFF" position, you cannot use the remote control to
start it.
- The DC / AC converter operates by default when the shore power supply is not powered. It
is controlled by a relay connected to the shore connection. This converter powers the indoor
sockets and some on board appliances.
- When the shore connection is not connected, the relay automatically connects the inverter
on a part of the on board AC circuit.
- When the shore power socket is plugged in and powered, the relay automatically
disconnects the inverter.