39
At the solar
terminal
At the battery
terminal
At the load
terminal
Battery connected
with correct
polarity
Unrestricted
Normal operation
Unrestricted
Battery connected
with wrong
polarity
Unrestricted
Unrestricted.
Acoustic Warning
Unrestricted
Reverse polarity
Yes, not at 24V
system voltage.
Acoustic Warning
Yes, if only the
battery is
connected.
Load output is
protected, but
loads might be
damaged.
Short circuit
Unrestricted
Unrestricted.
CAUTION: Battery
must be
protected by
fuse.
Unrestricted
Overcurrent
Controller limits
current.
-------
Controller switches
off load terminal.
Thermal overload
Controller is
electronically
protected.
-------
Controller switches
off load terminal.
No connection
Unrestricted
Unrestricted
Unrestricted
Reverse current
Unrestricted
-------
-------
Overvoltage
Varistor 56 V, 2.3 J
Max. 40 V
Controller switches
off load terminal.
Undervoltage
Normal operation
Controller switches
off load terminal.
Controller switches
off load terminal.
WARNING:
The combination of different error conditions may cause damage to the
controller. Always remove an error before you continue connecting the controller!
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