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Functional Description
Functional Diagram
AC Input
AC/DC Power Supply
This provides an isolated 13.65 Vdc output for powering of the load and charging
of the battery. Battery current is sensed and monitored by the power supply to
limit the charging current to 15 A maximum.
Fault Protection
The power supply provides automatic protection for overload including short
circuit, over-voltage, over-temperature and reverse connected battery.
In overload, short circuit, and over voltage condition the power supply will shut
down. It will then automatically attempt to restart every 5 seconds until such case
that the fault is removed.
Fusing
Each load circuit and the caravan battery connection have been fused to provide
fault protection and discrimination. Refer to the servicing section for fuse ratings.
Battery Charging Features
The power supply (Genius-II) provides full battery management as per the
14
Isense
3.3mΩ
Vadj
AC / DC
Battery Low-voltage
Disconnect Circuit
Figure 4: Functional Schematic
BATERY FUSE
Reverse
Battery
Protection
LOAD FUSES
Load Remote-
disconnect Circuit
DC IN+VE
Car Battery
BAT +VE
Caravan Battery
BAT –VE
Battery –Ve
L1 – L10
10 x Load
Outputs
–VE
10 x Load
Returns
LOAD SWITCH
Remote Load
on/off Input