Man V12-1800, Installation Instructions Manual

Page: 61 / 92

Electrical system
59
Wiring of engine and components
A wiring diagram for a double engine system can be found in the appendix. Each engine requires separate
wiring, i.e. the wiring circuits of each engine must not be connected with each other.
Ship ground
The ship ground is created by a copper band which runs longitudinally along the hull and is connected to
the zinc anodes.
The engine, gearbox and terminal box must be connected to the ship ground by a ground cable.
Batteries
Each engine has a separate battery for the starter. 24V DC consumers are to be supplied by their own
batteries.
Starters
All MAN ship engines have starters with 2 poles.
For this reason the positive cable of the starter
battery connects to terminal 30 of
the starter
À
, the negative cable of the starter
battery connects to terminal 31 of the starter Á .
Caution:
The negative cable must never be
connected to the ship ground, the hull or to
other components.
The starter can either be installed on the left  or
right
Ã
of the engine.
Starter cable
Information about battery capacity, cable diameter
and cable length can be found on page 60.
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