Epever LS-B Series Manual - Página 2

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HUIZHOU EPEVER TECHNOLOGY CO., LTD.

C. Low Voltage Reconnect Voltage > Low Voltage Disconnect Voltage ≥ Discharging

Limit Voltage.

D. Under Voltage Warning Reconnect Voltage > Under Voltage Warning Voltage ≥

Discharging Limit Voltage.

E. Boost Reconnect Charging voltage > Low Voltage Disconnect Voltage.

CAUTION: Please refer to the user manual or contact the sales for the

details of the setting operation.

(2) Load Mode

1) Manual Control(default ON)

The load is turned ON/OFF via the button or remote command.

2) Light ON/OFF

3) Light ON/OFF + Timer

4)Time Control

Control the load on/off time by setting a real-time clock.

6 Protections

 PV over current

When the charging power of the PV array exceeds its rated charging power, it will be

charged at the rated charging power.



PV short circuit

The controller will stop charging when the input terminal of the PV array is short-

circuited. After clearing the faults, the charging will resume automatically.



PV reverse polarity

When the polarity of the PV array is reversed, the controller may not be damaged and

can continue to operate normally after the polarity is corrected.

Battery reverse polarity



When the polarity of the battery is reversed, the controller may not be damaged and

can continue to operate normally after the polarity is corrected.

 Battery over voltage

When the battery voltage reaches the overvoltage disconnect voltage, the controller will

automatically stop charging the battery to prevent battery damage caused by over-

charging.



Battery over-discharge

When the battery voltage reaches the low voltage disconnect voltage, the controller will

automatically stop discharging the battery to prevent battery damage caused by over-

discharging. (Any controller-connected loads will be disconnected. Loads directly

connected to the battery will not be affected and may continue to discharge the

battery.)



Battery over temperature

The controller detects the battery temperature through an external temperature sensor.

The battery will stop working when its temperature exceeds 65 °C and resume at below

55 °C.



Overload

The controller automatically cuts off the output when the load current exceeds 1.05

times the rated discharge current. After the load reconnects automatically five times

(delay of 5s, 10s, 15s, 20s, 25s), please reduce the electrical equipment. And then,

press the load ON/OFF button, restart the controller, or wait for one night-day cycle

(night time > 3 hours) to eliminate the overload fault.



Load short circuit

When the load is short-circuited (The short circuit current is higher than or equal to 2

times the rated discharge current), the controller automatically cuts off the output. After

the load reconnects automatically five times (delay of 5s, 10s, 15s, 20s, 25s), please

press the load ON/OFF button, restart the controller, or wait for one night-day cycle

(night time > 3 hours). Then the load reconnection automatically will resume.



Controller over temperature

An internal temperature sensor can detect the internal temperature of the controller.

The controller stops working when its internal temperature exceeds 85 °C and resumes

when it is below 75 °C.

Turn-On voltage (Adjustable):

5V(12Vsystem), delay10min.

Turn-Off voltage (Adjustable):

6V(12Vsystem), delay10min.

Note: 24V system voltage×2

Tel: +86-752-3889706



TVS high voltage transients

The internal circuitry of the controller is designed with Transient Voltage Suppressors

(TVS), which can only protect against the high-voltage surge pulses with less energy.

Suppose the controller is to be used in an area with frequent lightning strikes. In that

case, it is recommended to install an external surge arrester.

7 Troubleshooting

Faults

Possible reasons

The charging indicator does

not light up when there is

PV array

sufficient direct sunlight on

disconnection

the PV array.

The wire connection is

Battery voltage is

correct, but the controller is

lower than 8V

not working.

The battery green indicator

Battery over

fast flashing

voltage

The red battery indicator on

Battery over-

solid

discharged

The red battery indicator

Battery over

slowly flashing

temperature

Charge, Load, and

Controller over

Battery(orange)indicator

temperature

flashing

Load red indicator slowly

Overload

flashing

Load red indicator fast

Load short circuit

flashing

8 Technical Specifications

Item

LS1024B

System nominal voltage

Battery type

Rated charge current

10A

Rated discharge current

10A

Working voltage range of

controller

Max. PV open circuit

voltage

Self-consumption

Charge circuit voltage

drop

Discharge circuit voltage

drop

Temperature

compensate coefficient

Environment temperature

Relative humidity

Enclosure

Grounding

Dimension(mm)

138.6x69.3x37

Mounting size

126mm

Φ4.3

Mounting hole size

Terminal

4mm

Net weight

0.13kg

9 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 exceeds the rated value of the controller.

 The controller's working temperature exceeds the limit working environment

temperature.

 User disassembly or attempted to repair the controller without permission.

 The controller is damaged due to natural elements such as lighting.

 The controller is damaged during transportation and shipment.

Any changes without prior notice! Version number：V3.3

Website: www.epever.com

Troubleshooting

Confirm that PV and battery wire

connections are correct and tight

Please check the voltage of the

battery. At least 8V voltage to

activate the controller.

Check

whether

the

voltage is higher than OVD (over

voltage disconnect voltage), and

disconnect the PV.

Waiting for the battery voltage to

be restored to or above LVR (low

voltage reconnect voltage) or

changing the power supply in

other ways.

The controller will resume when

the battery temperature declines

to below 55 ºC.

When the heat sink of the

controller exceeds 85 ℃ , the

controller will automatically cut off

the input and output circuit. When

the temperature bellows to 75℃,

the controller will resume work.

① Please reduce the number of

electric equipment.

② Restart the controller or press

the load ON/OFF button.

③ Wait for one night-day cycle

(night time>3 hours).

① Check carefully loads

connection, clear the fault.

② Restart the controller or press

the load ON/OFF button.

③ Wait for one night-day cycle

(night time>3 hours).

LS2024B

LS3024B

12/24VDC Auto

Sealed/Gel/Flooded/User

20A

8～32V

50V

≤8.4mA/12V;≤7.8mA/24V

≤0.28V

≤0.20V

-3mV/℃/2V (default)

-35℃～+50℃

≤95% (N.C.)

IP30

Common positive

159.6x81.4x47.8

200.6x101.3x57

147x50mm

190x70mm

Φ4.3

Φ4.5

10mm

0.3kg

0.5kg

battery

30A