Short battery cables must be used to keep the voltage drop between the controller and the battery low.
The controller is only suitable for controlling solar modules. However, the battery may also be charged using other sources if
they have an appropriate battery charging function.
The appropriate manufacturer’s installation instructions must be observed for installation of the other components, e.g. solar
cells and consumers and for setting up the batteries.
Do not begin installation until you are quite sure that you have fully understood the technicalities of the instructions and
only carry out the work in the sequence specified by these instructions!
2
Controller Functions
The charging controller monitors the battery’s charging status, controls the charging procedure and switching on and off of
the consumers. The battery is utilised to an optimum by the atonic processor and its service life is lengthened considerably.
The charging procedure takes place in accordance with the IU characteristic as a function of temperature. Furthermore, the
battery’s previous history determines a time-limited rise of the end-of-charge voltage to acid circulation. Boost charging if
the charging status drops below 70%, equalising charging if the charging status drops below 40% or every 30 days. The
charging voltages are increased for 2 hours in each case.
Voltage drops and the internal resistance of the battery are compensated without the use of sensor cables.
Protective Measures:
Battery:
Reduction of the charging voltage to protect against overvoltage
..................................... Switching off of consumers to protect against exhaustive discharge
Automatic detection of system voltage (12V/24V)
Controller:
Overcurrent, excess temperature to protect against surges
Controller resets itself automatically
Consumers:
Consumers are switched off in the event of overvoltage
The LED status lamps supply all the essential information with regard to the current operating status.
SLX Night Operating Instructions
page 5
