18
SERVICING
This product contains hazardous voltages and energy hazards, which can
result in death or injury. Only properly qualified service personnel may
service it.
There are no internal user serviceable parts. Only the fuses located in the
exposed terminal block area are user serviceable.
Isolate mains power, batteries and other DC input sources before servicing.
Fuses:
Only the DC output load and battery fuses may be replaced
Fuse ratings:
Loads: 32 V Automotive mini-blade Fuse, 15A maximum
Battery:
32 V Automotive regular blade Fuse, 35A maximum
Factory-fitted Fuse
Load fuses:
10 A Fuse
Battery fuse:
35 A Fuse
FUNCTIONAL DESCRIPTION
FUNCTIONAL DIAGRAM
Functional Description
Functional Diagram
AC/DC Power Supply
This provides an isolated 13.65 V DC 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 or 30 A maximum depending on the
model. Refer to About the Genius-II Power Supply.
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
15
Figure 5: Functional Schematic
AC Input
Isense
10 x Load
Outputs
Caravan Battery
AC / DC
Vadj
Battery Low-voltage
Disconnect Circuit
Load Remote-
disconnect Circuit
Remote Load
on/off Input
Battery –Ve
Reverse
Battery
Protection
3.3mΩ
10 x Load
Returns
Car Battery
BAT –VE
BAT +VE
DC IN+VE
–VE
L1 – L10
LOAD SWITCH
BATERY FUSE
LOAD FUSES
Figure 5:
Functional Schematic
Summary of Contents for Genius 15-35
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