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Charging Process; Maintenance; Safety Fuse; Disposal - Truma MES 350 Module B Gebrauchsanweisung Und Einbauanweisung

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  • DEUTSCH, seite 1
Driving mode
When the vehicle is moving, the supply battery (battery II) in
the caravan is charged via the vehicle's dynamo. To achieve
the optimum charging status for the supply battery, a volt-
age of 14.2 V is required. This voltage is not available in the
caravan due to line losses. The integrated voltage booster
controls the output voltage with an input voltage of between
10 V and 14.5 V so that the supply battery is always supplied
with 14.2 V. It compensates any voltage fluctuations and line
losses.
During driving mode, the integrated voltage booster receives
its supply voltage via the positive wire from contact no. 10 on
the coupling plug. As long as the dynamo is running, the volt-
age booster controls the output voltage to the supply battery
to 14.2 V.
Avoid operating consumers when driving.
Solar mode
The supply battery is charged via the integrated solar control
when max. two solar panels with an output of max. 85 W are
connected.

Charging process

The Module B has an electronic reverse battery protec-
tion. The charging current is only released if the battery is
correctly connected and there is a minimum voltage of 1.5 V.
The charging process is carried out in accordance with the
charging reference line with a minimum of performance loss.
(Charging reference line, see fig. 3). When a temperature sen-
sor is used, charging is carried out on a temperature-depend-
ent basis.
Main charging phase
(all voltage values relate to a battery temperature of 20 °C)
Charging with maximum constant charging current until a bat-
tery voltage of approximately 14.4 V is reached. If in this range
of the main charging phase, the charging current falls below
90 % of the rated current due to internal battery resistance
and resistivity, the afterloading phase is started.
Afterloading phase
(all voltage values relate to a battery temperature of 20 °C)
The charging voltage is kept at a constant 14.4 V for a period
of 10 hours for gel / AGM batteries or four hours for liquid
electrolyte batteries. At the end of this period, it changes to
the trickle current phase. If during this period, the current
increases to over 90 % of the rated current and if at the same
time the battery voltage drops to below 13.2 V for a period of
more than 15 minutes for liquid electrolyte batteries and more
than two hours for gel batteries and AGM, it switches back to
the main charging phase.
Trickle charging phase
(all voltage values relate to a battery temperature of 20 °C)
The charging voltage is set to 13.8 V. The charging current
drops to the equalizing charge value necessary for the battery.
If due to the consumer, the charging current increases to
its rated value and if the battery voltage drops for at least
2 minutes below 13.2 V, the device switches back to the main
charging phase.
Parallel mode
If consumer current is used during the aftercharging phase or
the trickle charging phase, this is immediately recharged.
12

Maintenance

The power supply must always be disconnected before
performing any maintenance work on the device.
Clean the device and the ventilation slits with a dry and fluff-
free cloth.

Safety fuse

There is a 15 A flat pin fuse below the clamping space cover
of Module B. The fuse may only be replaced with a fuse of
exactly the same type (for instructions on how to remove the
clamping space cover please refer to "Attachment of Module B
to Module A2").
1
15A
+ + -
-
Solar
Modular-Electric-Systems
MES 350 Module B
Fig. 2: Safety fuse

Disposal

The device must be disposed of in line with the administrative
regulations of the respective land in which it is used.
National regulations and laws (in Germany, for example,
the Altfahrzeug-Verordnung [old vehicle directive]) must be
observed.
GEL/
Switch
AGM
Schalter
Temp.
+Charge
+Load
-Battery
+Laden
+Verbr.
-Batterie
Liquid
Flussig
Battery
RS485

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