EP Solar LS2024B User manual

LS1024B / LS2024B/ LS3024B

——Solar Charge Controller

Thank you very much for selecting our product!

This manual offers important information and

suggestions with respect to installation, use and

troubleshooting, etc. Please read this manual carefully

before using the product and pay attention to the

safety recommendations in it.

EPSOLAR

USER MANUAL

LS1024B / LS2024B / LS3024B

——Solar Charge Controller

Nominal system voltage 12 / 24VDC*

Maximum PV input voltage 50V

Nominal charge / discharge current

LS1024B 10A

LS2024B 20A

LS3024B 30A

*The solar charge controller has the system voltage 12/24V automatic

recognition function and custom define function, and all charge,

discharge and load control parameters can be modified.

Warranty: The charge controller is warranted to be free from defects

for a period of two years from the date of shipment to the original end

user.

Notice: Manufacture is not responsible for the damage of any

part of controller due to operator's misuse, battery parameters

mismatch, unreasonable system configuration, unauthorized

repairment or exceeding the specified parameter.

LandStar

Contents

1 Important Safety Information..................................1

2 General Information................................................1

3 Installation Instructions...........................................2

3.1 General Installation Notes........................2

3.2 Writing.........................................................3

4 Operation..................................................................4

4.1 LED Indicators...........................................4

4.2 Setting Operation......................................5

5 Protection, Troubleshooting...................................6

5.1 Protection...................................................6

5.2 Troubleshooting.........................................8

6 Technical specifications..........................................9

1 Important Safety Information

Please inspect the controller thoroughly after it is delivered. If any

damage is seen, please notify the shipping company or our company

immediately.

Keep the controller away from rain, exposure, severe dust,

vibrations, corrosive gas and intense electromagnetic interference.

There are no user serviceable parts inside the controller. Do not

disassemble or attempt to repair it.

2 General Information

LandStar B series solar charge controller adopts the most advanced

digital technique and operates fully automatically. It has various

unique functions：

12V/24V automatic identify or user-defined working voltage.

High efficient Series PWM charging, increase the battery lifetime and

improve the solar system performance.

Use MOSFET as electronic switch, without any mechanical switch.

Multiple load control modes, increase the flexibility of the load output

Gel, Sealed, Flooded and user-defined battery type option.

Adopt temperature compensation, correct the charging and

discharging parameters automatically and improve the battery

lifetime.

New SOC method of calculating accurately displays the available

battery capacity.

Electronic protection: Overheating, over charging, over discharging,

overload, and short circuit.

Reverse protection: any combination of solar module and battery.

With functions of current power calculation and real-time energy

statistics recording, it is convenient for users to view charging and

discharging energy of each day, month, year and total value.

Use of standard Modbus communication protocol for RS-485 bus

connections, making communication distance much longer and

communication protocol compatibility much better

Support firmware upgrade

3 Installation Instructions

3.1 General Installation Notes

Be very careful when working with batteries. Wear eye protection.

Have fresh water available to wash and clean any contact with

battery acid.

Never short circuit the battery positive and negative terminals and

wires which may cause explosion or fire.

Install external fuses/breakers as required.

Disconnect the solar module and fuse/breakers near to battery

before installing or adjusting the controller.

Confirm that power connections are tightened to avoid excessive

heating from loose connection.

Uses insulated tools and avoid placing metal objects near the

batteries.

Explosive gasses may be present during charging. Be certain there

is sufficient ventilation to release the gasses.

Avoid direct sunlight and do not install in locations where water can

enter the controller.

Loose power connections and/or corroded wires may result in

resistive connections that melt wire insulation, burn surrounding

materials, or even cause fire. Ensure tight connections and use

cable clamps to secure cables and prevent them from swaying in

mobile applications.

Only charge the batteries that comply with the parameters of

controller.

Battery connection may be wired to one battery or a bank of

batteries. The following instructions refer to a singular battery, but it

is implied that the battery connection can be made to either one

battery or a group of batteries in a battery bank.

Select the system cables according to 3.5A/mm2 current density.

3.2 Wiring

1，Connect components to the charge controller in the sequence

as shown in above picture and pay much attention to the “+”

（Red）and “-“（Black）.Always power the battery First.

2，After power the battery, check the battery indicator on the

controller, it will be green. If it’s not green, please refer to

chapter 5.

3，The battery fuse should be installed as close to battery as

possible. The suggested distance is within 150mm.

4 Operation

4.1LED Indicators

Charging Status LED indicator Load Status LED indicator

Battery Status LED indicator Switch Button

Indicator Status Description

Green

On Solid

Normal

Green

Slowly Flashing

In charging

Green

OFF

No charge

Green

On Solid

Normal

Green

Slowly Flashing

Full

Green

Fast Flashing

Over voltage

Orange

On Solid

Under voltage

Red

On Solid

Over

discharged

Red

Flashing

Battery over

temperature

Red

On Solid

Normal

Red

Slowly Flashing

Overload

Red

Fast Flashing

Short circuit

Charging, load and battery indicator

(red)flashing simultaneously

System voltage

error

Charging, load and battery

indicator(orange)flashing simultaneously

Controller

overheating

Switch Button Function

1) Manual Control ON/OFF of the load.

2) Resume to normal work after the fault is cleared up.

4.2Setting Operation

Three methods to program the controller:

1-Remote Meter,MT50/MT100(Use standard network communication

cable with CC-RS485-RS485-200U-MT）

2-Super Parameter Programmer, SPP-01(Use standard network

communication cable with CC-RS485-RS485-200U）

This method can realize one-key setting operation which is suitable for

bulk quantity products setting or applied in the projects..

3–PC monitoring setting software “Solar Station Monitor”（Use

dedicated RS485 to USB communication cable with

CC-USB-RS485-150U）

This manual suits for next models

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