Lunar Caravans, Руководство пользователя

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51
ELECTRICS
3 System Technical Information
The following section provides further
technical information relating to the electrical
system.
3.1 Residual Current Device & Miniature
Circuit Breakers
The Residual Current Device (RCD) is
basically provided to protect the user from
lethal electric shock. The RCD will turn off
(trip) if the current flowing in the live
conductor does not fully return down the
neutral conductor, i.e. some current is
passing through a person down to earth or
through a faulty appliance.
To ensure the RCD is working correctly, the test
button should be operated each time the vehicle
is connected to the mains supply (see section
2.3)
The Miniature Circuit Breakers (MCB’s) operate
in a similar way to traditional fuses and are
provided to protect the wiring installation from
overload or short circuit. If an overload occurs
the MCB will switch off the supply. If this occurs
you should investigate the cause of the fault
before switching the MCB back on.
MCB Rating Description (cable colour)
1 10 Amps 230v Sockets (white)
2 16 Amps Combination water heater / central heating system (yellow)
Extra 230V sockets (white)
3 10 Amps Fridge (black) 12V Charger (internally socketed)
The table below shows the rating and circuit
allocation for the three MCB’s
3.2 Battery Charger
The EC175PSU incorporates a fixed voltage
battery charger / power converter. The
battery charger / power converter also
powers the leisure equipment when the
mains supply is connected. This module
supplies 13.8V DC to the leisure equipment
up to a maximum of 12 Amps (155 Watts),
therefore the available power is distributed
between the leisure load and the battery, with
the leisure load taking priority as per the
following example:
Leisure Available power for battery
load charging
3A 9A
6A 6A
9A 3A
12A 0A
WARNING
Under heavy loads the power supply unit
case may become hot. ALWAYS ensure
the ventilation slots have a clear flow of
air. Do not place combustible materials
against / adjacent to the EC175. The PSU
will shutdown if overheated and will
restart automatically when cool.