Electrical system
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2999828 - 05/18 - EHG-0012-00EN
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Fig. 49 Transformer/rectifier (EBL 119)
1 Main supply socket 230 V~
2 Output: Block 1 – refrigerator
3 Input: Block 2 – control lines
4 Output: Block 4 - heater, safety/drainage valve, basic light (lighting in the en-
trance area), entrance step
5 Output: Block 3 – panel
6 Output: Block 5 – solar cell (if fitted), spare 2, spare 3, spare 4
7 Output: Block 6 – solar charge regulator (if fitted)
8 Output: Block 7 – auxiliary charging unit
9 Output: Block 8 – consumer circuit 1, consumer circuit 2, 12 V socket, water
pump, spare 1, spare 5, spare 6
10 Battery selector switch (lead-gel/AGM)
11 Fuses
12 Battery cut-off switch ("Batterie Ein/Aus" (battery On/Off))
The transformer/rectifier has the following functions:
The transformer/rectifier charges the living area battery. The trans-
former/rectifier charges the starter battery with a float charge only.
The transformer/rectifier monitors the voltage in the living area battery.
The transformer/rectifier distributes the current to the 12 V circuits and
secures them. Devices with a maximum of 10 A can be connected to the
sockets.
The transformer/rectifier provides connections for a solar charge regula-
tor, an auxiliary charging unit, as well as other control and monitoring
functions.
When the vehicle engine is turned off, the transformer/rectifier separates
the starter battery electrically from the living area battery. This prevents
the 12 V living area appliances from discharging the starter battery.
The battery cut-off switch in the transformer/rectifier separates all the
appliances from the living area battery.
The transformer/rectifier only works in conjunction with a panel.
When the transformer/rectifier is subject to a heavy load, the fitted charger
module reduces the charging current. This protects the charger from over-
heating. The transformer/rectifier is subject to a heavy load when e.g. an
empty living area battery is being charged, additional electrical appliances
are turned on and the ambient temperatures are high.
The transformer/rectifier is installed in the driver's area below the left-hand
seat.
Functions
Position
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