Load cannot be
operated
+
info LED flashes
red
+
2. green LED
flashes
load output is switched off
due to excessive battery
voltage
• the load output automatically
switched on again as soon as
the battery voltage lies within
the permissible range
incorrect grounding• check the grounding
external charging source is
not voltage-limited
• check the external charging
source
if necessary, switch off exter-
nal charging sources
Load cannot be
operated
+
info LED illumi-
nates green
defective load or installation
error
• connect load correctly
replace load
Battery is not
charged
solar module not connected• connect the solar module
solar module connected with
incorrect polarity
• connect the solar module
with the correct polarity
short circuit at solar module
input
• correct the cause of the short
circuit
incorrect solar module
voltage
• use a solar module of the
specified voltage
solar module defective• replace the solar module
Battery display
jumps quickly
large pulse current• tune the current consump-
tion to match the battery
capacity
battery is defective• replace the battery
8. Technical data
Solar charge controller 10 A 15 A 20 A 30 A
Max. module input short circuit
current at 50 °C
10 A 15 A 20 A 30 A
Max. load output current at 50 °C 10 A 15 A 20 A 30 A
Terminal size (fine/single wire) 16/25 mm² = 4/6 AWB
Weight 345 g
Dimensions l x w x h 187 x 96 x 45 mm
Enclosure protection class IP 32
System voltage 12 V / 24 V
Ambient temperature allowed –25 °C ... +50 °C
Max. voltage of Solar collector 47 V DC
Temperature compensation –4 mV/K/Zelle
Charging voltage State of charge SOC 12 V system 24 V system
Deep discharge warning SOC < 40 % 11.7 V 23.4 V
Load switch-off SOC < 30 % 11.1 V 23.4 V
Shift-in SOC > 50 % 12.5 V 25.0 V
Boost charging (14.7 V) SOC < 40 % 11.7 V 23.4 V
Equalisation charging (14.4 V) SOC < 70 % 12.4 V 24.8 V
End-of-charge voltage (float) SOC > 70 % 13.9 V 27.8 V
8
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