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STUDER INNOTEC AJ
AJ V2.1 9/24
Model with built-in solar charger
(option – S)
The AJ inverters of the AJXXXX-S series
have a built-in solar charger. The built-in
solar charge controller is of the shunt and
floating type. It may only be used by
solar generators. The maximal voltage
of the solar modules is 23 V for 12 V
applications and 46 V for 24 V
applications. To fix it, first install the
cables of the inverter observing the
following instructions BEFORE
connecting the solar cells.
Then install the cables of the solar
generator observing the polarities (red for
the + and black for the -).
Function
The orange indicator on the inverter
shows the mode of function:
Illuminated: the solar charge is to its
maximum.
Not illuminated: the solar generator is
not connected or the battery is
completely loaded.
Blinking: The battery is more than 95%
loaded and the charger is in the
floating mode to complete the load
(the blinking frequency varies
depending on the capacity of the
battery and the power of the solar
generator).
Wiring for AJ 2100/2400-S inverter
On AJ 2100/2400-S inverter, a
preinstalled cable (2 x 6mm
2
) replaces
the terminals.
Wiring should be done through a
connecting box.
Connection :
Positive (+) pole to the brown or red
cable.
Negative (-) pole to the blue or black
cable.