v3.1
User Manual LFP 5-10KWH/LV
51.2V 100/200Ah
LiFePO4 BATTERY

Statement of Law

Copyright of this document belongs to SUNKET ESS.
No part of this documentation maybe excerpted, reproduced, translated, annotated or duplicated any form or by any means with out the prior written permission of SUNKET ESS All Rights Reserved.
This product complies with the design requirements of environmental protection and personal safety. The storage, use and disposal of the products shall be carried out in accordance with the product manual, relevant contract or relevant laws and regulations.
Customer can check the related information on the website when the product technology is updated.
Please note thatched product can be modified without prior notice.
Manual Version: V3.1
Manual NO.
Revision History

battery
3.1| 2022.07.05| ** Add APPENDIX I-II**

Safety Precautions

Warning

• Please do not put the battery into water or fire, in case of explosion or any other situation that might endanger your life.
• Please connect wires properly while installation, do not reverse connect.
• To avoid short circuit, please do not connect positive and negative poles with conductor (Wires for instance).
• Please do not stab, hit, trample or strike the battery in any other way.
• Please shut off the power completely when removing the device or reconnecting wires during the daily use or it could cause the danger of electric shock.
• Please use dry powder extinguisher to put out the flame when encountering a fire hazard, liquid extinguisher could result in the risk of secondary disaster.
• For your safety, please do not arbitrarily dismantle any component in any circumstances unless  a specialist or an authorized one from our company, device breakdown due to improper operation will not be covered under warranty.

Caution

• We have strict inspection to ensure the quality when products are shipped out, however, please contact usif case bulging or another abnormal phenomenon.
• For your safety, device shall be ground connected properly before normal use.
• To assure the proper use please make sure parameters among the relevant device are compatible.
• Please do not mixed-use batteries from different manufacturers, different types and models, as well as old and new together.
• Ambient and storage method could impact the life span and product reliability, please consider the operation environment abundantly to make sure device works in proper condition.
• For long-term storage, the battery should be recharged once every 6 months, and the amount of electric charge shall exceed 80% of the rated capacity.
• Please charge the battery in 18 hours atier it discharges fully and starts over -discharging protection.
• Formula of theoretical standby time: T=C/I (T is standby time, C is battery capacity, I is total current of all loads).
• The surface of Power box cabinet is affixed with a torn invalid label. Therefore, before-opening the cover to change the DIP switch mode, you need to contact HERBYTECK and inform the product ID. HERBYTECK will record this battery ID and authorize the opening operation to be performed. Except for changing the DIP switch mode, no other operations are allowed.

Preface

Manual declaration
LFP 5-10kWh/ LV user manual ithiumiron phosphate battery is external batierymodule which can storage the power for home use. When the grid is on, it supplies the home loads and charges the battery meantime. When grid off, the battery discharges to power up the home loads.
LFP 5-10kWh/ LV user manual systematically elaborates device structure, parameters, basic procedure and method of installation, operation, maintenance.
Safety Statement

• Only qualified trained professionals are allowed to install, operate, maintain the device.
• Please comply with local safety regulations and operational rules when installation, operation and maintenance, or it could lead to human injury or device damage.
• Mentioned attentions are only as a supplement to local safety regulations.
• The seller does not undertake any responsibility for device operations or usage violating general safety requirements and safety standards.

Sign explanation
Attention should be paid when configuring or operating LFP 5-10/ LV products, which follows below format to explain.
Caution
Neglecting the warnings might cause malfunction.

Introduction

1.1 Brief Introduction
LFP 5-10kWh/ LV user manual ithiumiron phosphate battery is newly power storage products designed according to market demands, supplies reliable power for all kinds of home equipment. It is especially suitable forsituationswith high temperatures, less space, higher demand of weight and life span. LFP S-10kWh/ LV lithium battery carries self-developed battery management system. When the grid is on, it supplies the home loads and charges the battery meantime. When grid off, the battery discharges to power up the home loads. Batteries can be paralleled to build a module with more capacity to satisfy the longtime energy storage demand.
1.2 Product Properties
LFP 5-10kWh/ LV energy storage product’s anode materials are ithiumiron phosphate, battery cells are managed effectively by BMS with better performance, the systems features as below:

• Anode materials are lithium iron phosphate (LiFePO4), safer with longer life span.
• Carries battery management system with better performance, possesses protection function like over-discharge, over-charge, over current, abnormal temperature.
• Self-management on charging and discharging, single core balancing function.
• Intelligent design configures integrated inspection module, with 3 remote functions (remote-measuring, remote-communicating and remote-controlling ).
• Flexible configurations allow parallel of multi battery for longer stand by time.
• Self-ventilation with lower system noise.
• Less battery self-discharge, then recharging period can be up to 10 months during the storage.
• No memory effect so that battery can be charged and discharged shallowly.
• With wide range of temperature for working environment, -10 C “450 C, circulation span and discharging performance are well under high temperature.
• Less volume, lighter weight, seal grade up to IP65 embedding design for easier installation and maintenance.

1.3 Product identity definition
FIG1-1 Battery Energy Storage System nameplate
RECHARGEABLE LITHIUM BATTERY

WUXI SUNKET NEW ENERGY TECHNOLOGY CO.,LTD
Add:No.888,Delin Industry Park, Qinghong Road, Erhu Town, Wuxi,
Jiangsu, P.R.C Tel: +86-51068005868 Email: info@sunket.cn
RECHARGEABLE LITHIUM BATTERY

WUXI SUNKET NEW ENERGY TECHNOLOGY CO.,LTD
Add:No.888,Delin Industry Park, Qinghong Road, Erhu Town, Wuxi,
Jiangsu, P.R.C Tel: +86-51068005868 Email: info@sunket.cn

| Battery is voltage higher than safe voltage, direct contact with electric shock hazard.
---|---
| Be careful with your actions and be award of the dangers.
| The battery product meet the United Nations regulations on transport of dangerous goods.
| The scrapped battery cannot be put into the garbage can and must be professionally recycled.
| After the battery life is terminated, the battery can continue to be used atier it recycled by the professional recycling organization and do not discard it at will.
****| This battery product meets European directive requirements.
| All the parts of the battery meets TUV safety requirements.

Product Specification

2.1 Size and Weight
Table 2-1 LFP 5-10kWh/ LV Device Model

Product Series| Specification Model| Nominal Voltage| Nominal Capacity| Dimension (mm)| Weight (kg)| IP Level
---|---|---|---|---|---|---
LFP| 5kWh/ LV| 51.2V| 100Ah| 550×700×216| 56.4| IP65
LFP| 10kWh/ LV| 51.2V| 200Ah| 645×995×225| 122| IP65

2.2 Performance Parameter
Table 2-2 LFP 5-10kWh/ LV performance parameter

2.3 Interface
This section elaborates on interface functions of the front panel of the device
Figure2-1 LFP 5-10kWh/ LV the sketch of front interface.Table 2-3 Interface Definition

connected to the negative pole often inverter through the cable.
2| Positive socket| The battery DC output negative pole, which is connected to the negative pole often inverter through the cable.
3| RS485| The RS485 communication interface is used for parallel communication between batteries.
4| CAN| CAN communication interface is used for communication between battery and inverter.
5| LED1| Module capacity status indicator light
6| LED2| Module capacity status indicator light
7| LED3| Module capacity status indicator light
8| LED4| Module capacity status indicator light
9| ADD switch| Use the switch to adjust the address when the battery is in parallel mode.
10| Reset switch| Press the switch and the battery system turn on. When the battery is in the non use state such as storage, transportation etc., it need to be turn off by switch button, and the battery system will automatically sleep after the device without external load power.
---|---|---
11| Main switch| Open or cut off the main circuit, and ensure transportation safety after cutting off

Table 2-4 LED status indicators (Take LFP 10kWh/ LV as an example)
Flashing1£ bright 0.25s Light out 3.75s
Flashing 2£ bright 0.5s Light out 0.5s
Flashing3£ bright0.5s Light out 1.5s

System state| Running state| RUN| ALM| SOC| Explain
---|---|---|---|---|---
| | | | |
Shut down| Dormancy| OFF| OFF| OFF| OFF| OFF| OFF|
Standby| Normal| Flashing 1| OFF| OFF| OFF| OFF| OFF|
Charge| Normal| ON| OFF| According to the power prompt|
Over current alarm| ON| Flashing 2| According to the power prompt|
Over voltage protection| Flashing 1| OFF| OFF| OFF| OFF| OFF|
Temperature, Over current protection| Flashing 1| Flashing 1|

OFF

|

OFF

|

OFF

|

OFF

|
Discharge| Normal| Flashing 3| OFF| According to the power prompt|
Alarm| Flashing 3| Flashing 3| According to the power prompt|
Temperature, Over current, Short circuit, protection| OFF| ON| OFF| OFF| OFF| OFF| Stop discharge, Mains offline 48h no action forced sleep.
Under voltage protection| OFF| OFF| OFF| OFF| OFF| OFF| Stop discharge

2.4 Battery Management System (BMS)
2.4.1 Voltage Protection
Discharging Low Voltage Protection
When any battery cell voltage is lower than the Rated protection value or total voltage below 40V during discharging, the over-discharging protection starts, and the battery buzzer makes an alarm sound. Then battery system stops supplying power to the outside. When the voltage of each cell recovers to rated value and total voltage restored to above 43.2V,the protection is released.
Charging Over Voltage Protection
When charging, the system stops charging when the total voltage of the battery pack is higher than 57.6V or the voltage of any single cell reaches the protection value. When the total voltage returns to below 56.8V and the cell voltage returns to below the rated protection value, the protection is released.
2.4.2 Current Protection
Over Current Protection in Charging:
When the charging current is greater than the protection value, the battery buzzer alarms and the system stops charging. After the system delays the rated time for 1 min, the protection is released.
Over Current Protection in Discharging:
When the discharging current is greater than the protection value, the battery buzzer alarms and the system stops discharging. After the system delays the rated time for 1 min, the protection is released.
Note: The buzzer sound alarm setting can be manually turned off on the background software, and the factory default is on.
2.4.3 Temperature Protection
Less/Overtemperature protection in charging: When battery’s temperature is beyond range of 0 C-1-50 C during charging, temperature protection starts, device stops charging. The protection is released when it recovers to rated return range.
Less/Overtemperature protection in discharging:
When battery’s temperature is beyond range of -10 C-1-50 C during discharging, temperature protection starts, device stops supplying power to the outside. The protection is released when it recovers to rated return range.
2.4.4 Other Protection
Short Circuit Protection:
When the battery is activated from the off state, if a short circuit occurs, the DC circuit breaker will act first. If the DC circuit breaker does not operate, the BMS will start the short circuit protection function and cut off the external voltage output.
Self Shutdown:
When device connects no external loads for over 72 hours, device will dormant standby automatically.
Caution
The maximum working current of the load which needs to be powered should be less than the maximum discharge current capacity of the battery system.

Installation and Configuration

3.1 Preparations for installation
Safety Requirement
Thissystemcan only be installed by personnel who have been trained in the power supply system and have sufficient knowledge of the power system. The safety regulations and local safety regulations listed below should always be followed during the installation.

• All circuits connected to this power system with an external voltage of less than 48V must meet the SELV requirements defined in the IEC60950 standard.
• If operating within the power system cabinet, make sure the power system is not charged. Battery devices should also be switched off.
• Distribution cable wiring should be reasonable and has the protective measures to avoid touching these cables while operation power equipment.
• When installing the battery system, must wear the protective items below:

3.1.1 Environmental requirements
Working temperature: -10 C ~4-50 C

• Charging temperature range is 10 °C~+50 °C
• Discharging temperature range is -10 °C~+50 °C

Relative humidity: 4%-100%RH (No condensed water)
Elevation: no more than 4000m
Operating environment: Indoor or outdoor installation, sites avoid the sun and no wind, no conductive dust and corrosive gas.
And the following conditions are met:

• Installation location should be away from the sea to avoid brine and high humidity environment.
• The ground is flat and level.
• There is no flammable explosive near to the installation places.
• The optimal ambient temperature is +15 °C~4-30 °C .
• Keep away from dust and messy zones.

3.1.2 Tools and data
Hardware tool
Tools and meters that may be used are shown in table 3-1.
Table 3-1 Tool instrument

Name

Screwdriver (word, cross)| AVO meter
Wrench| Clamp meter
Inclined pliers| Insulating tape
Needle nose pliers| The thermometer
Clip forceps| Wrist strap
Wire stripper| AVO meter
Electric drill| Tape

3.1.3 Technical preparation
Electrical interface check
Devices that can be connected directly to the battery can be user equipment, power supplies, or other power supplies.

• Confirm whether the user equipment, the PV equipment or other power supply equipment has the DC standby interface, admeasure whether the output voltage of the standby interface meets the requirements of the voltage range of table 2-2.
• Verify that the maximum discharge current capacity of the user equipment, the PV equipment or other power supplies, the DC standby interface, and the maximum discharge current shall be greater than the maximum charging current of the products used in table 2-2
• If the user equipment DC prepared interface maximum discharge capacity is less than the maximum charging current products using table 2-2,the us interface should have the power equipment of DC current limiting function, give priority to ensuring the normal work of user equipment.

The security check

• Firefighting equipment should be provided near the equipment, such as portable dry powder fire extinguisher.
• Automatic fire fighting system shall be provided forthe case where necessary.
• No flammable, explosive and other dangerous articles and placed beside the battery.

3.1.4 Technical preparation

• When the equipment arrivals at the installation site, loading and unloading should be carried out according to the rules and regulations, so astro prevent from being exposed to sun and rain.
• Before unpacking, the total number of packages shall be indicated according to the shipping list attached to each package, and the case shall be checked for good condition.
• In the process of unpacking, handle with care and protect the surface coating of the object.
• Open the package, the professional installation person should read the technical documents, verify the list, according to the configuration table and packing list, ensure objects are complete and intact. If the internal packaging is damaged, it must be inspected and recorded in detail.

Packing list is as follows:

M6 bolt ×8; Fixing battery box with battery bracket| Power cable ×2
Connect battery with inverter
Communication cable| Expansion screw ×4
User manual ×1| USB-RS485 device ×1|

3.1.5 Engineering coordination
Attention should be paid to the following items before construction:

• Powerline specification.
• The power line specification shall meet the requirements of maximum discharge current for each product.
• Mounting space and bearing capacity.
• Make sure thatched battery has enough room to install, and that the battery rack and bracket have enough load capacity.
• Wiring.
• Make sure the power line and groundfire are reasonable. Not easy to short-circuit, water and corrosion.

3.2 Equipment installation
Strongly recommended: floor installation;
If it is wall-mounted installation, strictly follow the requirements below.
The wall for battery installation shall be solid brick or cement wall with strong bearing capacity and wall thickness no less than 100mm.
Mounting space requirements:

2.Equipment installation
Step 3| Electrical installation| 1. Connect the ground cable
2. Electrical installation
3. Connect inverter
4. Communication interface connection

3.2.1 Floor installation
When the battery system is placed directly on the ground, a fixed support must be used to fix the top of the battery box with the wall.

1. Draw the screw holes on the wall according to the positioning drawing on the less (please refer to the appendix for specific dimensions)
2. The bottom of board must be good connection with the ground level while drawing the holes.
3. 4 holes with diameter of 10mm shall be opened on the wall with electric drill according to the marked position, and the hole depth shall be greater than 70mm to fit the expansion bolts of M6.
4. Fixing the expansion bolt M6 into the Bottom of the hole on the wall.
5. Use the M6 bolt to fixing the Support bracket to the wall and control the torque at 6NM.
6. Carry the battery box to the Installation site, and place it about 15mm away from the vertical wall surface, fixing the Support bracket and the upper part of the battery box with M6 bolts.

3.2.2 Mounted on the wall
The following accessories need to be added when mounted the battery on the wall. Installation procedure:

1. Draw the screw holes on the wall according to the positioning drawing on the less (please refer to the appendix for specific dimensions)
2. The mounting holes must be perpendicular to the ground
3. The battery base must be about 30mm off the ground
4. According to the position of the mark, 8 holes in diameter 10mm and depth of more than 70mm are hit on the wall with an electric drill, which are used for fitting expansion bolt M6.
5. Fixing the expansion bolt M6 into the bottom of the hole on the wall, and fix the support bracket and battery bottom bracket on the wall with M6 bolts, twisting force keeps 6NM.
6. Carry of hoist the battery to the installed battery bottom bracket.
   Fixing the support bracket and the upper part other battery with M6 bolts, twisting force keeps 6NM. Then fixing the battery bottom bracket and the bottom part of battery with M6 bolts, twisting force keeps 6NM.

3.3.1 Electrical installation
Before connecting the power cables, using multimeter to measure cable continuity, short circuit, confirm positive and negative, and mark well the cable labels.
Measuring methods:

• Switch off cables: select the buzzer and use the probe to measure the ends of the same color cable. If the buzzer calls, it means the cable is available.
• Short circuit judgment: choose multimeter resistor file, probe the same end of positive and negative pole, if the resistor shows infinity, means that the cable is available.
• After visual testing of power line is connected well, the positive and negative poles of the battery shall be connected respectively to the positive and negative poles of another device.

Connected inverter
Note :
If there is any question during installation, please contact your dealer to avoid damage to the equipment.
When the systemic used independently:
Note: Before installation, please confirm whether the DIP switch mode of No.1 module in battery is correct according to the inverter used. For specific dialing methods, please refer to “3.2.4 battery module DIP switch definition and description.” Except for the inverter specified by the customers special requirements, the factory default DIP switch mode of Module No.1 is DIP Switch model 1( ADD: 0000). If the inverters equipped with other DIP switch mode, open the cover and set DIP switch mode of the module No.1 to the correct mode. Before opening the cover to operate, you must contact SUNKET ESS and inform the ID of Battery. SUNKET ESS records this battery ID and authorizes the opening operation. Except charging the DIP switch mode, no other operation can be done.

• The battery is connected to the inverter, and it is required to use the dedicated power cable and communication cable( as accessories shipped with the cargo, the standard communication cable is a standard network cable. The applicable inverter is marked on the label of the network cable. If the inverter used by the customer is not covered by the standard communication cable, please contact SUNKET ESS forthe correct PIN Sequence).
• Keep the battery system at power off state, connect the power cable to the interface on the input side of the inverter first, and then connect the power cable to the interface on the battery side.
• The battery out put interface is a quick connector, and the power cable (Positive, Negative) plug can be directly inserted into the battery socket. The power cable has a cross-section of 25 mm2

Communication port interface
Connect the CAN Cable other battery to the CAN communication interface other inverter using the RJ45 cable.
Factory default CAN communication mode.

3.3.2 Battery module DIP switch definition and description

Address|

DIP switch position

| Instruction
---|---|---
| #1| #2| #3| #4|
1| ON| OFF| OFF| OFF| Slave1
2| OFF| ON| OFF| OFF| Slave2
3| ON| ON| OFF| OFF| Slave3
4| OFF| OFF| ON| OFF| Slave4
5| ON| OFF| ON| OFF| Slave5
6| OFF| ON| ON| OFF| Slave6
7| ON| ON| ON| OFF| Slave7
8| OFF| OFF| OFF| ON| Slave8
9| ON| OFF| OFF| ON| Slave9
10| OFF| ON| OFF| ON| Slave10
11| ON| ON| OFF| ON| Slave11
12| OFF| OFF| ON| ON| Slave12
13| ON| OFF| ON| ON| Slave13
14| OFF| ON| ON| ON| Slave14
15| ON| ON| ON| ON| Slave15

Table3-4-2 Host setting (Table 2)

Number of parallel machines|

DIP switch position

| Instruction
---|---|---
| #1| #2| #3| #4|
1| ON| OFF| OFF| OFF| parallel 1
2| OFF| ON| OFF| OFF| parallel 2
3| ON| ON| OFF| OFF| parallel 3
4| OFF| OFF| ON| OFF| parallel 4
5| ON| OFF| ON| OFF| parallel 5
6| OFF| ON| ON| OFF| parallel 6
7| ON| ON| ON| OFF| parallel 7
8| OFF| OFF| OFF| ON| parallel 8
9| ON| OFF| OFF| ON| parallel 9
10| OFF| ON| OFF| ON| parallel 10
11| ON| ON| OFF| ON| parallel 11
12| OFF| OFF| ON| ON| parallel 12
13| ON| OFF| ON| ON| parallel 13
14| OFF| ON| ON| ON| parallel 14
Number of parallel machines| DIP switch position| Instruction
---|---|---

1| #2| #3| #4| #5| #6| #7| #8

Stand alone use| OFF| OFF| OFF| OFF| OFF| OFF| OFF| OFF| Stand alone use
Parallel 2| OFF| OFF| OFF| OFF| ON| OFF| OFF| OFF| First host
ON| OFF| OFF| OFF| OFF| OFF| OFF| OFF
Parallel 3| OFF| OFF| OFF| OFF| OFF| ON| OFF| OFF|
ON| OFF| OFF| OFF| OFF| OFF| OFF| OFF
OFF| ON| OFF| OFF| OFF| OFF| OFF| OFF
┋| ┋| ┋| ┋| ┋| ┋| ┋| ┋| ┋| ┋
┋| ┋| ┋| ┋| ┋| ┋| ┋| ┋| ┋| ┋
Parallel 16| OFF| OFF| OFF| OFF| ON| ON| ON| ON| First host
ON| OFF| OFF| OFF| OFF| OFF| OFF| OFF| Second slave
OFF| ON| OFF| OFF| OFF| OFF| OFF| OFF| Third slave
ON| ON| OFF| OFF| OFF| OFF| OFF| OFF| Forth slave
OFF| OFF| ON| OFF| OFF| OFF| OFF| OFF| Fifth slave
ON| OFF| ON| OFF| OFF| OFF| OFF| OFF| Sixth slave
OFF| ON| ON| OFF| OFF| OFF| OFF| OFF| Seventh slave
ON| ON| ON| OFF| OFF| OFF| OFF| OFF| Eighth slave
OFF| OFF| OFF| ON| OFF| OFF| OFF| OFF| Ninth slave
ON| OFF| OFF| ON| OFF| OFF| OFF| OFF| Tenth slave
OFF| ON| OFF| ON| OFF| OFF| OFF| OFF| Eleventh slave
ON| ON| OFF| ON| OFF| OFF| OFF| OFF| Twelfth slave
OFF| OFF| ON| ON| OFF| OFF| OFF| OFF| Thirteenth slave
ON| OFF| ON| ON| OFF| OFF| OFF| OFF| Fourteenth slave
OFF| ON| ON| ON| OFF| OFF| OFF| OFF| Fifteenth slave
ON| ON| ON| ON| OFF| OFF| OFF| OFF| Sixteenth slave

DIP switch description
**** When the battery pack is connected in parallel, the host can communicate with the slave through the RS485 interface. The host summarizes the information of the entire battery system and communicates with the inverter hroughRS485.

Use, maintenance and troubleshooting

4.1.Battery system usage and operation instructions
After completing the electrical installation, follow these steps to start the battery.

• Pressthe switch,the system self-check, the indicator lights turn on successively (4.1.1).
• The RUN indicator blinks slowly if the battery is not connected to the inverter(4.1.2).
• If the battery is connected with the inverter, the battery start working and the indicator lights up (4.1.3).

Note:
After pressing the power button, if the battery status indicator on the front panel continues to be red, please refer to the “4.2 Alarm description and processing”. If the failure cannot be eliminated, please contact the dealer timely.

• Use a voltmeter to measure whether the voltage across the BAT+/ BAT- terminals of the inverter is greater than 42V, and check whether the voltage polarity is consistent with the input polarity of the inverter. If the voltage across the terminals BAT + / BAT- of the inverter is greater than 42V, at this time the battery has begun to work normally.
• After confirming that the battery output voltage and polarity are correct, urn on the inverter, then close the circuit breakers itch.
• Check whether the indicator light of the inverter and the battery connection( The communication indicator and the battery access status indicator.) is in normal condition. If normal, the connection between the battery and the inverters completed. If there is an abnormity in the indicator light, please check the reason or contact the local dealer with the inverter manual.

4.2 Alarm description and processing
When protection start or failure, the ALM indicator on the side panel will alarm, through net management can query specific alarm class and take appropriate action.
4.2.1 Alarm and countermeasure influence system output
If there are any abnormalities affecting the output, such as battery cell in the battery module occurs over-voltage protection or over-current protection during charge/ discharge, under-voltage protection, and temperature protection, in the system, please deal with the according to Table 4-1.
Table 4-1 Main alarm and Protection

release when discharging.
Over-current when charging| Run light on RED flashing 2| Reduce the charging current below the rated value.
High temp protection| RED light flashing 1| Stop charging and find out the cause of the trouble.
Discharge state| Over-current protection when discharge| RED light on| Stop discharge and reduce discharge current below rated value.
High temp protection when discharge| RED light on| Stop discharging and find out the cause of the trouble.
Total voltage under voltage protection| ALL lights OFF successively| Start charging

4.2.2 Alarm and countermeasure without affecting the output of the system
If a low SOC alarm occurs, the battery system also issues a corresponding alarm signal. Maintainer should check the equipment according to the prompt information, determine the type and location of the fault, and take corresponding countermeasures to ensure that the system is in the best working condition to avoid affecting the system output. The phenomena and countermeasures are shown in Table 4-2.
Table 4-2 minor alarm

discharge and charging the battery system in time.

4.3 Analysis and treatment of common faults
Analysis and treatment of common faulting the Table 4-3:
Table 4-3 Analysis and treatment of common faults

firmly inserted
3| No DC output and red light flashing.| Battery voltage is too low.| Charging the battery system
4| The battery cannot be fully charged.| Charging voltage is too low.| Adjust charging voltage within 53.5V range
5| The power line sparks once power on and ALM indicated Red light on.| Power connection short circuit.| Turn off the battery, check the cause of the short circuit

Appendix I 5KWh Target Size

Appendix II 10KWh Target Size

WUXI SUNKET NEW ENERGY TECHNOLOGY CO.,LTD
Add:No.888,Delin Industry Park, Qinghong Road, Erhu Town, Wuxi, Jiangsu, P.R.C
Tel: +86-51068005868
Email:info@sunket.cn 

Read User Manual Online (PDF format)

Download This Manual (PDF format)

Download this manual  >>