SUNTAO SD Series Solar Inverter User Manual

SUNTAO-SD S eries
Product User Manual

The User Manual is suitable for qualified person & expert users who may need to view technical information.

Introduction

SAONTSU Series lithium iron phosphate battery is composed of lithium iron phosphate cell, battery management system (BMS), housing and related components. The high-performance battery management system (BMS) can protect batteries from overcharge, over discharge, over current, short circuit, and temperature anomalies. It can communicate with intelligent devices such as computers, realize remote centralized monitoring, and monitor various operating parameters and status of single batteries in real time.
The product by its integration, miniaturization, light-duty, intelligent centralized monitoring, battery maintenance and management, unattended, safe and convenient to use, energy conservation, environmental protection and other characteristics are widely used in network equipment, remote  switches, mobile communication equipment, transmission equipment, such as communicationssatellite ground station, microwave communications equipment as a backup power supply.
Installation, operation and maintenance of the SD Series lithium iron phosphate battery system should only be performed by trained and qualified professionals. Before installing and using the product, read the safety precautions and related operation instructions carefully; otherwise, personal injury or product damage may occur. The precautions mentioned in this manual are common. If you find special operating conditions or conditions, contact the technical personnel of the battery manufacturer.

Product features

• Using the high performance lithium iron phosphate ( LiFePO4) as positive materials, the cycle life is more than 4000 times, floating life up to 10 years, prolongs the service life of backup power supply system.
• Using the intelligent management system, realize the monitoring and control of battery system under charge, discharge, floating and standby, make sure the system is always in under ideal state of health.
• Built with comprehensive monitoring system, the battery voltage, current, temperature, volume, state of health is under monitoring.
• The built-in intelligent balance module, to ensure that the consistency of battery capacity , to  extend the service life.
• Intelligence-design, meet the national standard requirements, remote-measurement, remote-communication, remote-control and remote-adjustment.
• Working state and alarm display directly on control panel.
• System with intelligent thermal management devices, which insure the system work in a wide range of temperature, -20 ℃~+60 ℃.
• With good electromagnetic compatibility and can be matched with standard communication equipment compatibility.

Product parameters

3.1 Model Type

3.2 Product appearance

3.1
2| RS485/CAN| RS485/CAN communication ports| communication between inverters, See Table 3.1
3| ID| Assign address of every model| See Table 3.2
4| SOC| The state of charge| Four small green LED
5| ALM| Alarming indicates LED| See Table 3.3
6| RUN| Operating indicates LED| Always brightly when operating
7| Reset| Reset the battery system|
8| ON/OFF| The switch of the battery|

Table 3.1 RS485 Pins and definitions

RS485

RJ45 Pins| Definitions| RJ45 Pins| Definitions
1| RS485-B| 5| CAN-L
2| RS485-A| 6| NC
3| GND| 7| RS485-A
4| CAN-H| 8| RS485-B

Table 3.2 Assignments of ID address

Note: In the table 3.2, code bits are in accordance with the control panel ID code corresponding to the binary digit, dial up stands for “OFF “, dial down stand for ” ON “, the right dial is low digit, the left dial is high digit, encoding in the range of 0~15, which can support up to 16 modules cascade. All coded according to the table, followed by analogy. If you need more modules in parallel, please tell us, we will design it to meet your requirement.
Table 3.3 LED indicator description

Note ： The SOC means “state of charge”, there are 4 LED for SOC, From bottom to top, each light indicates increment of 25% SOC. When the battery is shut down, all the lights go out, when the battery start to work, the green “RUN” LED is always bright. When the battery is protected, the red LED”ALM” is always bright.
Note: Flash 1——0.5s ON and 0.5s OFF; Flash 2——1.0s ON and 1.0s OFF.
3.3 BMS parameters

Discharging Range-30℃~70℃

| Charging recover：

＞-15℃ or ＜55℃

11| Environment| Charging Range﹣20℃~60℃ Discharging Range-30℃~70℃| Discharge recover：

＞-25℃ or ＜65℃

12| PCB| ≤95℃|
13| SOC| Discharge| Warning| Warning signal appear when SOC＜5% and battery in discharge state| ALM led、RUN led Flash 0.6s

Installation and Testing

4.1 Prepare to install
The installation, operation and maintenance of SD Series lithium iron phosphate battery must be performed by trained and qualified professional personnel. Before installation and use, please carefully read the product safety precautions and related operating rules. Strictly abide by the following safety rules and local safety regulations, otherwise may cause personal injury or damage to the product.

• Make sure that the telecom equipment to be connected with the battery system is in good condition and free from defects;
• Before installation, make sure that the power supply system is under shut down state, while the battery system is also under shut down state;
• All the electricity cables must have corresponding grade of insulation, Please ensure that no exposed cables;
• Make sure that the battery and power system are reliable grounding.

4.1.1 Requirement Of Installation Environment

away from heat and flame

4.1.2 Tools and Materials

4.1.3 Site Survey
4.1.3.1 Equipment Inspection

• Check that the equipment connected with batteries are right and in good conditions.
• Check the DC interface position of the equipment. Check and confirm the output voltage is in the range.
• Check DC device interface, make sure the maximum output current is matched with the selected battery.
• Check the maximal working current of devices backed by the battery , make sure that the current is less than the maximum discharge current of the products.

4.1.3.2 Ground Check
Check and confirm the electrical grounding position of power system room.

4.1.4 Battery Check

• On the installation site, check the battery packaging to make sure it’s intact;
• Check battery box according to the packing list, make sure all the material is complete, if any damaged, please fill in the receipt;
• Please be careful while handling batteries, avoid any damage.

4.2 Installation
4.2.1 Cautions

• When begin to install the battery system, you should pay attention to the following matters:
• Installation space and load bearing. Make sure that there are sufficient fixed components to install the battery system, and to ensure that the battery mounting bracket or the cabinet be strong enough to bear the weight.
• Cable specifications. To ensure that the use of the connection of the power supply line can meet the maximum current requirements of equipment operation.
• Project layout. Ensure the whole construction process of power equipment, batteries and other reasonable layout.
• Wiring layout. Ensure that the wiring reasonable, orderly; and consider the moisture-proof, corrosion prevention.
• The whole installation process should wear anti-static wristband.
• The installation site should be at least two or more peoples to operate.
  Caution：Please ensure the installation site safe before installation.

4.2.2 Installation step

there is no electric in installation process

2| Electrical installation| 1.The base installation
2.Battery installation
3.Power line installation
4.Communication line installation
3| Electrical commissioning| Power system commissioning

Step 1. Interruption Of Power Supply
Before installation, please ensure the battery is powered off, at the same time, shutdown the equipment which need to connect to the battery.
Step 2. Electrical Installation

1. The base installation
   Separate the base from the battery;Insert the expansion screw (M8*40) through the mounting hole of the base with an electrical batch and fix the base to the wall![SUNTAO SD Series Solar Inverter

• Electrical Installation 1](https://manuals.plus/wp-content/uploads/2024/02 /SUNTAO-SD-Series-Solar-Inverter-Electrical-Installation-1.jpg)

  2. Battery installation
     Place the battery on the base, and secure the base and the battery together with an electrical screwdriver and screws (M5*8)

  3. Power line installation
     The positive terminal of the battery is connected with the positive terminal of the inverter; Connect the negative terminal of the battery with the negative terminal of the inverter;
     When installing the connecting equipment, make clear the position of the positive and negative terminal posts of the system, connect the positive terminal with red wire, and connect the negative terminal with black wire to ensure that there is no wrong connection.

  4. Communication line installation
     Connect the RJ-RS485 /CAN port of the battery to the BMS communication port of the inverter using a network cable.Dial the ID to “1” (see Table 3.2).

If a single battery is used, follow this step. If multiple batteries are used in parallel, set each battery’s address code according to Table 3.4, and connect the RJ-45 to RS485 communications ports in sequence. Connect the RS485 port on the first or last battery module to the BMS communication port on the inverter.
Caution: If there is any problem during installation, please contact the factory technicians in time to avoid damaging the equipment or causing safety accidents.

Step 3. Electrical Commissioning
When these steps are completed, press the ON/OFF button to start the battery, then boot on the whole power system, complete the installation.
Caution： If the battery does not start , please disconnect the power line inspection and reinstall the start, if still cannot solve please the technical staff of the battery manufacturer, avoid damage to equipment or cause accidents.

Transportation, storage, use and maintenance

5.1 Transportation and Storage
5.1.1 According to the provisions of the product can be used in general means of conveyancebut should avoid throwing, rain fall, strong radiation and corrosion erosion. during transportatioplease prevent the collision and strong vibration.

5.1.2 Storage device in the indoor storage, the ambient air temperature is 0 ℃ to + 30℃, the average monthly relative humidity of not more than 90%, the ambient air without corrosive and flammable and explosive gas; storage warehouse should be ventilated, free of alkaline, acidic substances and other corrosive gases, without a strong mechanical vibration, shock, and without strong electromagnetic field and direct sunlight. Capacity was maintained at 50% to 60% stores, and charging the battery every 3 months.

5.2 Common faults and Solutions

Re-discharge after being fully charged or replace the battery
3| Battery can not be charged to full| Power system DC output voltage falls below the minimum charge voltage| Regulating DC output voltage power supply to battery suitable charging voltage
4| There is a spark in the wiring after the power is switched on| Short circuit of power cable connection| Disconnect the power supply, check the circuit and troubleshoot the fault

Caution:If you have some special technical problems which not mentioned above, please contact the technical staff of the battery manufacturer.

5.3 Safety instructions
Please read and comply with the following conditions of installation and use of the battery, incorrect installation using the battery may cause personal injury or damage to the product.

• DO NOT throw the battery into water. Store batteries in a cool and dry environment when not in use.
• DO NOT put the battery into fire or heat the battery, so as to avoid explosion or other dangerous events.
• When charge the battery,please choose specialized charging equipment,and follow the correct procedures,do not use unqualified chargers.
• DO NOT reverse positive and negative terminals,do not connect the battery directly to AC power,avoid battery short circuit.
• DO NOT using batteries from different manufacturers or different kinds, types together ,and do not mixed use old batteries and new batteries.
• DO NOT use the battery when it become hot,bulges,deforms or leaks.
• DO NOT puncture the battery by nail or other sharp objects; Do not throw,stamp on,impact or hit the battery.
• DO NOT open or try to repair the battery when it is defective. Warranty invalid if the battery repaired or disassembled.
• Batteries are half charged before shipment,Don’t use the battery if it’s hot,bulge,or smell abnormal and so on,and contact the battery manufacturer immediately.
• If you need storage the battery for a long time,please charge and discharge the battery every three months to ensure the best performance,and the best state of charge for storage is between 50%～60%.
• Please use the battery in the temperature range which defined in the manual.
• The state of charge of batteries is 50% before shipment,please charge the battery before use or test.

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