Connection
(Pleaseconsulttheconnectionplanforyourdevice!)
4. Input Battery Temperature Sensor (Optional)
Connection for the external ECTIVE temperature sensor which
measures the battery temperature of the MAIN supply battery “I” for
battery protection and battery control.
• Connect the sensor to the terminal „Temp. Sensor“.
• Ensure that the installation place of the sensor is not exposed to any
sources of heat (engine block, exhaust, heater etc.)!
Lead-Acid, Gel, AGM Batteries:
Installation: The thermal contact of sensor and battery inside
temperature should be well. Thus, it should be screwed down to the
negative pole or positive pole of the battery. It is also possible to fasten
it at the sidewall centre of the battery casing.
Effect: The temperature-dependent charging voltage of battery I
will be adapted automatically to the battery temperature (automatic
temperature equalization). The temperature sensor measures the
battery temperature. In case of low temperatures (e.g. winter), the
charging voltage will be increased, in order to improve and accelerate
full charging of the weak battery. Sensitive consumers are protected
by a limitation of the voltage in case of very low outside temperatures.
In case of warm temperatures, the charging voltage is reduced to
minimize the load (gassing) of the battery and to extend the lifetime
of gas-tight batteries.
Battery Protection: In case of excessive battery temperatures (from
+50°C), the charging voltage will be reduced strongly to safety charging
voltage, approx. 12.80 V, for battery protection and the maximum
charging current rate will be halved and safety mode, LED „MPP“ is
flashing (DSC 12: „Charge“). Any charging data being recorded will be
kept in memory.
Battery charging is then interrupted but the supply of connected
consumers will be continued by the solar controller, and the battery is
allowed to cool down. After that, automatic charging will be resumed
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