Epever LS3024EU Manual - Page 2
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BEIJING EPSOLAR TECHNOLOGY CO., LTD.
7. Protection
Battery Over Voltage Protection
When the battery voltage reaches to the set point of Over Voltage
Disconnect Voltage(OVD), the controller will stop charging the battery to
protect the battery from being over charged to break down.
Battery Over Discharge Protection
When the battery voltage reaches to the set point of Low Voltage
Disconnect Voltage(LVD), the controller will stop discharging the battery to
protect the battery from being over discharged.
Load Overload Protection
Load will be switched off when 1.25 times rated current overload happens.
User has to reduce load appliance, then press the button or repower the
controller.
Load Short Circuit Protection
Load will be switched off when load short circuit (≥3 times rated current)
happens. User has to clear short circuit, then press the button or repower
the controller.
High Voltage Transients Protection
The controller is protected against small high voltage transients. In lightning
prone areas, additional external suppression is recommended.
8. Troubleshooting
Faults
Possible reasons
LED Charging
indicator turn off
during daytime
PV array
when sunshine falls
disconnection
on PV modules
properly
Battery voltage
No LED indicator
maybe less than 8V
Charging status
Battery Over
LED indicator Fast
Voltage
flashing
Battery
LED1 Fast flashing
over discharged
Load status LED
indicator fast
Load over load
flashing
Load status LED
indicator slowly
Load short circuit
flashing
①When load current reaches1.25 times 1.5 times and 2 times 1.35-1.5 times
more than nominal value, the controller will automatically turn off loads in 60s,
5s and 1s respectively.
9. Technical Specifications
Item
Nominal system voltage
Rated charge current
Rated discharge current
Battery input voltage range
Max. PV open circuit voltage
Self-consumption
Charge Circuit Voltage Drop
Discharge Circuit Voltage
Drop
Temperature compensation
coefficient
USB Output Port
Working environment
temperature
Humidity
Enclosure
Grounding
Overall dimension
Mounting dimension
Troubleshooting
Confirm that PV and battery
wire connections are correct
and tight
Measure battery voltage with
the multi-meter. Min.8V can
start up the controller
Check if battery voltage is
higher than OVD, and
disconnect the PV
When the battery voltage is
restored to or above LVR point
(low voltage reconnect
voltage), the load will recover
①Please reduce the number of
electric equipments .
①
②Press the button or repower
the controller.
①Check carefully loads
connection, clear the fault.
②Press the button or repower
the controller.
LS0512EU
LS1012EU
12VDC
5A
5A
8V～16V
30V
12V≤5mA; 24V≤7mA
≤0.13V
≤0.17V
-5mV/ º C /2V
5VDC/1.2A
-35 º C ～ +55 º C
≤95% N.C.
IP20
Common Positive
109.7x65.5x20.8mm
120.3x67x21.8mm
100.9mm
111.5mm
3
Tel：+86-10-82894112 / 82894962
Mounting hole size
Terminals
Net weight
Item
Nominal system
voltage
Rated charge current
Rated discharge
current
Battery input voltage
range
Max. PV open circuit
voltage
Self-consumption
Charge Circuit Voltage
Drop
Discharge Circuit
Voltage Drop
Temperature
compensation
coefficient
USB Output Port
Working environment
temperature
Humidity
Enclosure
Grounding
Overall dimension
Mounting dimension
Mounting hole size
Terminals
Net weight
Battery Voltage Control Parameters
Below parameters are in 12V system at 25 º C, please double the values in
24V system
Over Voltage Disconnect Voltage
Charging Limit Voltage
Over Voltage Reconnect Voltage
Equalize Charging Voltage
Boost Charging Voltage
Float Charging Voltage
Boost Reconnect Charging Voltage
Low Voltage Reconnect Voltage
Under Voltage Warning Reconnect
Voltage
10A
10A
Under Voltage Warning Voltage
Low Voltage Disconnect Voltage
Discharging Limit Voltage
Equalize Duration
Boost Duration
10. Disclaimer
This warranty does not apply under the following conditions:
Damage from improper use or use in an unsuitable environment.
PV or load current, voltage or power exceeding the rated value of controller.
User disassembly or attempted repair the controller without permission.
The controller is damaged due to natural elements such as lighting.
The controller is damaged during transportation and shipment.
Website：www.epsolarpv.com/www.epever.com
14AWG/2.5mm
0.09kg
LS1024EU
12/24VDC Auto
10A
10A
12V≤5mA; 24V≤7mA
5VDC/1.2A
-35 º C ～ +55 º C
Common Positive
120.3x67x
21.8mm
111.5mm
2
12AWG/4mm
10AWG /6mm
0.10kg
Battery Type
Sealed
16.0V
15.0V
15.0V
14.6V
14.4V
13.8V
13.2V
11.6V
12.2V
12.0V
11.1V
10.6V
120 min.
120 min.
Any changes without prior notice! Version number： V1.7
4
Φ4.5
2
2
12 AWG /4mm
0.10kg
LS2024EU
LS3024EU
20A
30A
20A
30A
8V～32V
50V
≤0.13V
≤0.17V
-5mV/ º C /2V
5VDC/2A
≤95% N.C.
IP20
148x85.6x
148x106.8x
34.8mm
43.7mm
138mm
138mm
Φ4.5
2
2
8AWG /10mm
0.18kg
0.29kg
Gel
Flooded
16.0V
16.0V
15.0V
15.0V
15.0V
15.0V
——
14.8V
14.2V
14.6V
13.8V
13.8V
13.2V
13.2V
11.6V
11.6V
12.2V
12.2V
12.0V
12.0V
11.1V
11.1V
10.6V
10.6V
——
120 min.
120 min.
120 min.