12
730927 | Z04 | 1440
CAUTION
X Risk of damage to the controller:
Make sure that no common connection for the terminals module plus,
battery plus and load plus is available such as a common positive ground
connection.
4.2.4 Lightning protection
In systems subjected to an increased risk of overvoltage damage, we recom-
mend installing additional lightning protection / overvoltage protection to
reduce dropouts. Consult the technical manual for more detailed information.
5. Operation
The solar charge controller immediately begins operation once the battery is
connected or the external fuse is inserted.
The display of the solar charge controller shows the current operating mode.
User intervention or user settings are not required.
Protection functions
The following integrated protection functions of the solar charge controller
ensure that the battery is handled as gently as possible.
The following protection functions are part of the basic function of the controller:
• overcharge protection
• deep discharge protection
•
battery undervoltage protection
• solar module reverse current protection
The following installation faults do not destroy the controller. After cor-
recting the fault, the device will continue to operate correctly:
• protection from solar module short circuits / incorrect solar module
polarity
• protection from short circuits at the load output or excessive load
current
• protection from solar module overcurrent
• protection from device overtemperature
• protection from overvoltage at the load output
• protection from the wrong connection sequence
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