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ELECTRICAL SYSTEMS
MCB Rating Output Wire Colour Description
1 10 Amps White 230V Sockets
2 16 Amps White (Yellow for heater) Extra 230V Sockets / Heating System
3 10 Amps Black (Blue for Whale
water heater)
Fridge / Charger / Auxiliary devices / Whale
Water Heater
8.14 System Technical Information
The following section provides further technical
information relating to the electrical system.
You can also access the supporting technical
manual from www.sargentltd.co.uk
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
8.5)
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.
The following table shows the rating and circuit allocation for the three MCB’s
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