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● Manual control：Control the load using the button.
●Light ON/OFF
Note: In Light ON/OFF mode and Light ON/Timer, the Load is turned on after 10
minutes.
● Test Mode (Default)：Test Mode is as same as Light Control Mode, but with no delay.
The correspondence table of Load Work Mode & LED digital tube value
Value
Working mode
0
Light ON/OFF
1
Light ON + 1 hours
2
Light ON + 2hours
3
Light ON + 3hours
4
Light ON + 4 hours
5
Light ON + 5 hours
6
Light ON + 6 hours
7
Light ON + 7 hours
4. Troubleshooting
Faults
Possible reasons
Charging LED indicator
is off during daytime
PV array
when the PV modules
disconnection
are exposed to the sun
Battery voltage
higher than over
Green battery indicator
voltage
flashing quickly
disconnect
voltage
Red battery LED
Battery
indicator and loads not
overdischarged
working
●Light ON + Timer
Value
Working mode
0.
Light ON + 8 hours
1.
Light ON + 9 hours
2.
Light ON + 10 hours
3.
Light ON + 11 hours
4.
Light ON + 12 hours
5.
Light ON + 13 hours
6.
Manual control
7.
Test mode
Troubleshooting
Check that the PV and battery wire
connections are correct and tight
1. Disconnect the solar array and
measure the battery voltage to see if it is
too high; 2. Change the controller; 3.
Change the battery
The controller cut off the output
automatically. The LED indicator will
return to green automatically.
3
The radix point of the
digital tube flashing
Short circuit
quickly and load not
working
The radix point of the
digital tube flashing
Overload
slowly and load not
working
6. Technical specifications
Item
Nominal system voltage
Max. PV input voltage
Rated current
Equalize voltage
Boost voltage
Float voltage
Low voltage reconnect
voltage
Low voltage disconnect
voltage
Self-consumption
Temperature compensation
coefficient
Working temperature
Enclosure
Overall dimension
Mounting dimension
Mounting hole size
Power cable
PV/BAT/LOAD:4.0mm
Net weight
Clear short circuit. It is reactivated after
10 seconds for the first time. If it
happens again，press the key to clear
error and the controller will resume to
work after 3 seconds. If not, restart the
controller.
Please reduce the number of electric
equipment.
When load power reaches 1.25-1.5,
1.5-2 and 2 times more than the nominal
value, the controller will automatically
close loads in 60 seconds, 5 seconds
and 1 second, respectively. Please
press the key to clear error and the
controller will resume working after 3
seconds. Otherwise, restart the
controller.
LS1024EPD
LS2024EPD
12/24VDC Auto
12/24VDC Auto
50V
50V
10A
20A
14.8V(12V);29.6V(24V)
14.4V(12V);28.8V(24V)
13.7V(12V);27.4V(24V)
12.6V(12V);25.2V(24V)
11.2V(12V);22.4V(24V)
12V：≤4.58mA；24V：≤6.01mA
-5mV/℃/2V（25℃）
-35℃～+50℃
IP67
108.5mm×75mm×25.6mm
100.5mm
Φ5
PV/BAT/LOAD:6.0mm
2
410g
435g
Version number: V2.0
4
2
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