Epever LS-B Series Manuel

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HUIZHOU EPEVER TECHNOLOGY CO., LTD.

※ Thank you for selecting the LS-B series solar charge controller.

Please read this manual carefully before using the product.

※ Do not install this product in humid, salt spray, corrosion,

greasy, flammable, explosive, dust accumulative, or other

severe environments.

Solar Charge Controller

1 Overview

LS-B series is a PWM common positive solar charge controller that adopts the advanced

digital technique. The multiple load control modes make it suitable for a solar home

system, traffic signal, solar street light, solar garden lamp, etc.

Features：

 Adopt high-quality components of ST, and IR, ensure product lifespan

 UL and VDE certification, making the product safer and more reliable

 Full load running in the environment temperature range

 3-stage intelligent PWM charging: Bulk, Boost/Equalize, Float

 Optional four battery types: Sealed, Gel, Flooded, and User

 Battery temperature compensation function

 Real-energy statistics function

 Standard Modbus protocol based on RS485 bus, longer communication distance

 Multiple load control modes

 Extensive electronic protection

2 Identification of parts

❶

❷

Remote temperature(RTS)port

❸

PV terminals

❹

Battery terminals

❺

Load terminals

RS485 communication port

★ If the temperature sensor is short-circuited or damaged, the controller will charge

or discharge at the default temperature setting of 25 ºC (no temperature

compensation).

3 Wiring

Connect the system in the order of ❶battery

Installation Procedure:

disconnect the system in reverse order❸❷❶.

NOTE: While wiring the controller, disconnect the circuit breaker or fast-

acting fuse. Ensure that the polarity of the electrode is connected correctly.

NOTE: A fast-acting fuse whose current is 1.25 to 2 times the rated current

must be installed on the battery side with a distance from the battery not

longer than 150 mm.

❻

❼

★

Mounting hole

❽

Load ON/OFF button

❾

Load status indicator

Battery status indicator

❿

Charge status indicator

 ❸PV array

❷ load

Tel: +86-752-3889706

NOTE: The LS-B series is a positive ground controller. Any positive solar,

load, or battery connection shall be earth grounded as required.

NOTE: If an inverter is to be connected to the system, connect the inverter

directly to the battery, not to the load side of the controller.

4 Indicator and button

(1) Indicator

Indicator

Color

Green

Orange

Red

Charge, Load, and Battery(orange)indicator flashing

Charge, Load, and Battery(red)indicator flashing

(2) Button

① The load is turned ON/OFF via the button when the operating mode is Manual Control.

② Clear the faults for the overload and load short circuit.

5 Setting

❶ USB to RS485 converter cable: CC-USB-RS485-150U

❷ USB to RS485 converter cable: CC-USB-RS485-150U

Download PC software: www.epever.com(PC Software for the Solar Charge Controller)

OTG cable: OTG-12CM

Download the phone APP (support Andriod system only)

❸ RS485 to RS485 converter cable: CC-RS485-RS485-200U-MT

www.epever.com(Andriod APP for the Solar Charge Controller)

(1) Battery voltage control parameters

(Below values are measured in the 12V/25 ºC system; please double the values in the 24V

system.)

Battery type

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

Under Voltage Warning Voltage

Low Voltage Disconnect Voltage

Discharging Limit Voltage

Equalize Duration

Boost Duration

, and

NOTE:

1) When the battery type is sealed, gel, or flooded, the adjusting range of equalizing

duration is 0 to180 minutes, and boost duration is 10 to180 minutes.

2) The following rules must be observed when modifying the value of the parameter in the

user battery type (factory default value is the same as the sealed type):

A. Over Voltage Disconnect Voltage > Charging Limit Voltage ≥ Equalize Charging

Voltage ≥ Boost Charging Voltage ≥ Float Charging Voltage > Boost Reconnect

Charging Voltage.

B. Over Voltage Disconnect Voltage > Over Voltage Reconnect Voltage.

Website: www.epever.com

Status

Information

PV connection normal ,but

On solid

low voltage(low irradiance)

from PV, no charging

No PV voltage(night time) or

OFF

PV connection problem

Slowly flashing(1Hz)

In charging

Fast flashing(4Hz)

PV over voltage

On solid

Battery normal

Slowly flashing(1Hz)

Battery full

Fast flashing(4Hz)

Battery over voltage

On solid

Battery under voltage

On solid

Battery over-discharged

Slowly flashing(1Hz)

Battery over temperature

On solid

Load ON

OFF

Load OFF

Slowly flashing(1Hz)

Overload

Fast flashing(4Hz)

Load short circuit

Controller over temperature

System voltage error

Sealed

Gel

Flooded

16.0V

15.0V

——

14.6V

14.8V

14.4V

14.2V

14.6V

13.8V

13.2V

12.6V

12.2V

12.0V

11.1V

10.6V

——

120 min

120 min 120 min

120 min

User

9～17V

0～180 min

10～180

min