Twin installation 24 V, two separate
service battery arrays
(Tolerant
system in case of fault in one installation)
Recommended installation
•
Separate start battery arrays for each engine (driv-
etrain).
•
Connect the sensor cable from the alternators to the
service battery arrays.
•
NOTICE! No equipment connected to start battery
array.
•
Two separate service battery arrays.
Navigation equipment is connected to the port side
service battery.
NOTICE! Navigation equipment must not be con-
nected to the start battery array.
•
Capstans and other large power consumers are
connected to the starboard side service battery (II).
This prevents voltage drop in equipment connected
to the port service battery, such as navigation instru-
ments.
NOTICE! Large power consumers must have a sep-
arate switch that is connected directly to the service
battery positive terminal (+).
•
All other equipment such as lamps, fans, fridges
etc., (navigation equipment excepted) may be con-
nected to the port or starboard service battery.
Tolerant system in case of fault in one installation
If a short circuit occurs in one of the drivetrains, this will
not affect the other drivetrain.
1 Alternator
2
Sensor cable
3 3-way charge distributor (not Volvo Penta accessory)
4 Battery changeover switch
5 Accessories (normal consumers), not navigation equipment
6 Start battery
7 Service batteries I and II
8 Capstans etc. (major power consumers)
9 Starter motor
Installation, Electrical System
134 47704162 10-2014 © AB VOLVO PENTA
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