GoodWe Lynx Home FH Series US Rechargeable Li-ion Battery System User Manual

Copyright and Trademarks

Copyright © GoodWe Technologies Co., Ltd. 2023. All rights reserved. No part of this manual may be reproduced or transmitted without prior written authorization from GoodWe. GOODWE trademarks are proprietary to GoodWe Technologies Co., Ltd. Other trademarks are the property of their respective owners.

NOTICE: Information in this manual is subject to change without notice. This guide is for guidance only and may not replace product labels or safety precautions.

01 About This Manual

This manual provides information on product installation, electrical connection, commissioning, troubleshooting, and maintenance. Users and installers should familiarize themselves with the product's features, functions, and safety precautions before installation and operation.

1.1 Applicable Models

• LX F9.6-30
• LX F12.8-30
• LX F16.0-30
• LX F19.2-30

1.2 Target Audience

This manual is intended for trained and knowledgeable technical professionals familiar with the product, local standards, and electrical systems.

1.3 Symbol Definitions

• DANGER: Indicates a high-level hazard that, if not avoided, will result in death or serious injury.
• WARNING: Indicates a medium-level hazard that, if not avoided, could result in death or serious injury.
• CAUTION: Indicates a low-level hazard that, if not avoided, could result in minor or moderate injury.
• NOTICE: Highlights and supplements text, offering tips for problem-solving.

1.4 Updates

This document reflects the latest updates. Previous versions are superseded.

02 Important Safety Instructions

2.1 General Safety

• Read and follow all safety instructions and cautions before operation. Improper operation can cause personal injury or property damage.
• Operations should be performed by trained technicians familiar with local safety regulations.
• Use insulating tools and wear Personal Protective Equipment (PPE) for safety. Wear anti-static gloves when handling electronic devices.
• Follow all installation, operation, and configuration instructions. The manufacturer is not liable for damage or injury resulting from non-compliance. For warranty information, visit https://en.goodwe.com/warranty.

2.2 Battery Safety

• DANGER: The battery system operates at high voltage. Power off the system before any operations. Follow all safety precautions and labels.
• Use only approved inverters. Refer to the official website for the approved list.
• Do not disassemble, modify, or replace parts without authorization. This can cause electrical shock or equipment damage.
• Do not hit, pull, drag, squeeze, step on, or incinerate the equipment. This may cause the battery to explode.
• Avoid high temperatures. Do not expose the battery to direct sunlight or heat sources. Temperatures exceeding 60°C can cause fire.
• Do not use defective or damaged batteries. Damaged batteries may leak electrolyte.
• Ensure transportation personnel are trained and operations are recorded to prevent damage during transport. Keep the equipment balanced to avoid falling.
• The battery equipment is heavy. Ensure sufficient personnel are available to handle its weight safely.
• Contact After Sales Service immediately if the battery fails to start to prevent permanent damage.
• Do not move the system if connected to external battery modules. Contact after-sales service for replacements or additions.

2.3 Emergency Measures

Battery Electrolyte Leakage

If electrolyte leaks:

• Avoid contact with the leaking liquid or gas. Electrolyte is corrosive and can cause skin irritation or chemical burns.
• Inhalation: Evacuate the polluted area and seek immediate medical assistance.
• Eye Contact: Rinse eyes with clean water for at least 15 minutes and seek immediate medical assistance.
• Skin Contact: Wash the affected area thoroughly with soap and clean water and seek immediate medical assistance.
• Ingestion: Induce vomiting and seek immediate medical assistance.

Fire

• The battery may explode if ambient temperature exceeds 150°C. Hazardous gases may be released during a fire.
• Use carbon dioxide, Novac1230, or FM-200 extinguishers. Water or ABC dry powder extinguishers are ineffective. Firefighters must wear protective clothing and self-contained breathing apparatus.

03 Product Introduction

3.1 Product Overview

The battery system comprises a Power Control Unit (PCU) and battery modules. It stores and releases electrical energy for solar energy storage systems. Input and output ports are high voltage DC.

The system supports capacity expansion, allowing up to 6 battery modules. Multiple battery systems (2 to 8) can be connected in parallel, provided they have the same usable energy.

Usable Energy Configurations:

• LX F9.6-30: 9.60kWh (3 Battery Modules)
• LX F12.8-30: 12.80kWh (4 Battery Modules)
• LX F16.0-30: 16.00kWh (5 Battery Modules)
• LX F19.2-30: 19.20kWh (6 Battery Modules)

3.2 Application Scenarios

The system integrates with PV strings, smart meters, inverters, and the utility grid. It can power loads directly or feed energy back to the grid.

System Diagram Description: A diagram shows a typical setup including a PV string, a smart meter, an inverter, a battery breaker, the battery system (labeled Battery system 1 to Battery system N), an AC circuit breaker, a CT, loads, a utility meter, and the utility grid. Communication lines connect the battery system to the inverter and potentially to other battery systems.

3.3 Appearance

Battery System Appearance:

The battery system is a tall, modular unit. Numbered components are:

• 1: PCU (Power Control Unit)
• 2-7: Battery Modules
• 8: Base

Battery Module Appearance:

A single battery module is shown with numbered connection points:

• 1: Spacing hole
• 2: Positioning pin
• 3: Rectangular connector

Base Appearance:

The base unit has connection points and adjustable feet:

• 1: Spacing hole
• 2: Positioning pin
• 3: Rectangular connector
• 4: Adjustable feet

Power Control Unit (PCU) Appearance:

• Right View: Shows ventilation valve (1) and cable hole (2).
• Left View: Shows air switch (3).
• Front View: Shows SOC indicator (4) and button indicator (5).
• Bottom View: Shows battery serial connection interface (6).

3.4 Dimensions

The battery system dimensions are approximately:

• Width: 600mm (23.62in)
• Depth: 380mm (14.96in)
• Height varies based on the number of battery modules, with individual module heights and spacing indicated. For a 6-module system, the total height is approximately 155mm x 6 + 210mm (PCU) + 73.5mm (Base) = 1253.5mm (49.35in).

04 Check and Storage

4.1 Check Before Receiving

1. Inspect the outer packing box for damage (holes, cracks, deformation). Do not unpack if damaged; contact the supplier.
2. Verify the product model matches your order. Do not unpack if incorrect.
3. Check all deliverables for correct model, completeness, and intact appearance. Contact the supplier if any damage is found.

4.2 Deliverables

The package typically includes:

• Power control unit x1
• Base x1
• M6 screw x1
• Expansion bolt x6
• Grounding terminal x1
• Terminal resistor x1
• M5*12 screw x4
• Locking bracket x6
• Power terminal x2
• User Manual x1
• Base-Battery Spacing pin xN
• PCU-Battery Spacing pin x2
• Adjustable feet x4
• Battery module x1 (for single system)
• Battery-Battery Spacing pin x2 (for multi-module systems)

4.3 Storage

If the equipment is not to be installed immediately:

• Do not unpack or discard the desiccant.
• Install within three days of unpacking. If not installed, repack in the original box.
• Stack equipment according to labels and requirements, ensuring stability to prevent falling.
• Keep away from flammable, explosive, and corrosive materials.
• Store in a cool, clean place away from direct sunlight. Ensure temperature and humidity are appropriate (0%-95% RH, no condensation).
• Recommended storage temperature: 0°C to 35°C (for less than one year); -20°C to 0°C or 35°C to 45°C (for less than one month).
• Maintain storage State of Charge (SOC) between 25%-50%. Cycle charge/discharge every 6 months.
• Do not install the battery if moisture or condensation is present.

05 System Installation

5.1 Installation Requirements

Installation Environment Requirements

• Do not install near flammable, explosive, or corrosive materials.
• Avoid installation in easily accessible locations, especially by children. The surface can become hot during operation.
• When drilling holes, avoid water pipes and buried cables.
• Install in a sheltered location to protect from direct sunlight, rain, and snow. A sunshade may be needed.
• Ensure good ventilation for heat dissipation and adequate space for operations.
• The equipment can be installed indoors or outdoors, provided temperature and humidity are within the specified range.
• Install at a convenient height for operation, maintenance, and checking indicators.
• The installation altitude must be below 3000m (9842ft).

• Safety Visuals:

  • [Fire hazard symbol] [Explosion hazard symbol] [High voltage symbol] [Corrosive material symbol] [Temperature hazard symbol]
  • [Icon: Person keeping equipment away from children] Keep the equipment away from children.
  • [Icon: Drill with a red cross over it] Avoid drilling into walls with hidden pipes or cables.
  • [Icon: Battery system with clearance arrows] Ensure adequate clearance around the unit: >300mm (11.81in) on sides and rear, 300-600mm (11.81-23.62in) in front.
  • [Icon: Sun with a red cross over it] Protect from direct sunlight.
  • [Icon: Thermometer showing -15°C to 50°C] Operating temperature range: -15°C to 50°C (5°F to 122°F).
  • [Icon: Altitude indicator showing 3000m] Maximum altitude: 3000m (9842ft).
  • [Icon: IP55 rating] Ingress Protection: IP55.
  • [Icon: Humidity indicator showing 0%-95%RH] Relative Humidity: 0%-95% RH (non-condensing).

Mounting Support Requirements

• Use nonflammable and fireproof mounting supports.
• Ensure the mounting surface is solid and can bear the product's weight.
• Install the battery system near a wall and use locking brackets to prevent tipping.

Installation Angle Requirements

• Install the equipment vertically; do not tilt or install upside down.

5.2 Installing the Battery System

5.2.1 Moving the Equipment

CAUTION: Transportation, turnover, and installation must comply with local laws and regulations. Move the equipment carefully to avoid injury or damage.

• Consider the equipment's weight and use sufficient personnel.
• Wear safety gloves.
• Maintain balance during movement.

5.2.2 Installing the Battery System

NOTICE: Ensure the ground is flat and level. The base must stand vertically. Align battery modules correctly. Secure the PCU with its locking bracket. Protect the unit from foreign matter during drilling. Beware of falling batteries or PCU. Do not install the base and locking bracket on one side.

• Step 1: Install adjustable feet to the base.
• Step 2: Install the locking bracket to the base.
• Step 3: Position the base against the wall, mark drilling positions, and remove the base.
• Step 4: Drill holes using a hammer drill.
• Step 5: Fasten expansion bolts to secure the base.
• Step 6: Install the battery module onto the base.
• Step 7: Install subsequent battery modules from bottom to top.
• Step 8: Install the PCU's locking bracket.
• Step 9: Place the PCU securely above the installed battery module, mark drilling holes, and remove the PCU.
• Step 10: Drill holes for the PCU mounting.
• Step 11: Fasten expansion bolts to firmly install the PCU.
• Step 12: Open the PCU's top cover.
• Step 13: Install the positioning pin between the PCU and the battery.

Installation Diagrams:

• Diagrams illustrate the steps for attaching adjustable feet, locking brackets, positioning the base, drilling, installing batteries, and mounting the PCU, including torque specifications (e.g., 4N·m, 10N·m) and screw types (M5*12, ST5.5*70). Specific hole dimensions (e.g., Ø8-9mm, depth 80mm) are provided for drilling.
• Diagrams show the correct and incorrect installation angles for the battery system (vertical is correct, tilted is incorrect).

06 Electrical Connection

6.1 Safety Precaution

• DANGER: Perform electrical connections in compliance with local laws and regulations (e.g., ANSI/NFPA 70). The system operates at high voltage; power off before any operations. Follow all safety precautions and labels.
• Ensure all operations, cables, and component specifications comply with local laws.
• Group similar cables together and separate different types. Avoid tangled or crossed cables.
• When crimping terminals, ensure full contact with the conductor, not the jacket, to prevent malfunction or damage.
• WARNING: This product must be connected to a grounded, metal, permanent wiring system, or an equipment-grounding conductor must be run with circuit conductors and connected to the equipment grounding terminal.
• NOTICE: Wear safety shoes, gloves, and insulating gloves during electrical connections. All connections should be performed by qualified professionals. Cable colors are for reference only; specifications must meet local regulations.

6.2 Electrical Connection

NOTICE: Up to eight battery systems can be paralleled. Ensure all systems have the same usable energy. Install terminal resistors on COM3 of Battery System 1 and COM2 of the last battery system (N) for interlock function. Failure to install resistors will cause interlock failure.

Single Battery System Connection:

A diagram shows a single Battery System connected to an Inverter. The Battery System has terminals COM1, COM2, COM3, BAT-, BAT+, and COM. A Terminal Resistor is connected to COM3. Communication Cable connects COM1 to the Inverter's COM. Power Cables connect BAT+ and BAT- to the Inverter's corresponding terminals. A Ground Cable connects the system ground.

Parallel Battery Systems Connection:

Diagrams illustrate the connection of multiple battery systems (Battery system 1, Battery system 2, ..., Battery system N) in parallel. Each system has COM1, COM2, COM3 terminals. Terminal resistors are placed on COM3 of Battery System 1 and COM2 of Battery System N. Communication cables connect the systems and the inverter. Positive and negative power cables run in parallel from each battery system to the inverter.

6.2.1 Installing the Wiring Conduit

WARNING: Use a waterproof end cap for the conduit. A 1-inch cable gland is recommended for routing through the PCU's 34mm (1.34 in) hole. Ensure the conduit installation is secure and the interface is sealed to maintain the equipment's protection level.

6.2.2 Connecting the Communication Cable

NOTICE: Connect the PE cable first before installation and disconnect it before dismantling. Prepare PE cables for outdoor use. Ensure a minimum pull force of 400N after crimping.

Steps:

1. Strip insulation and insert conductor into the terminal.
2. Crimp the PE cable.
3. Install heat shrink tube.
4. Connect the PE cable.

Diagrams show these steps, including stripping wire, crimping, heat shrinking, and connecting, with torque specifications (6-7N·m) and cable type (Copper, 10AWG).

6.2.3 Connecting the Power Cable

WARNING: Use supplied terminals only; other terminals may cause damage. Power off the system before connecting power cables due to high voltage. Use outdoor PV cables rated for the inverter's maximum input voltage.

Steps:

1. Strip insulation and insert conductor into the terminal.
2. Crimp the Power cable.
3. Install heat shrink tube.
4. Connect the Power cable.

Diagrams show these steps with cable lengths (9-10mm) and torque specifications (4N·m) for Copper, 8AWG cables.

6.2.4 Connecting the Communication Cable

NOTICE: Refer to pin definitions for making new communication cables.

RJ45 Modular Connector & CAN Communication Port

A table details the PIN definitions for COM1, COM2, and COM3, specifying their use for BMS communication with the inverter or parallel battery systems, interlock functions, and grounding.

Connection Steps:

1. Disassemble the waterproof module.
2. Route the communication cable through the module.
3. Connect the cable to the battery and tighten the module.

Diagrams illustrate these steps.

6.2.5 Connecting the Terminal Resistor

NOTICE: The terminal resistor is crucial for the interlock function; its absence will cause failure.

Steps:

1. Disassemble the waterproof module.
2. Install the terminal resistor and tighten the module.

Diagrams show the connection for single and parallel battery systems.

6.2.6 Installing the Top Cover of the PCU

Diagrams show the process of securing the PCU's top cover with screws, indicating torque specifications (4N·m).

07 System Operation

7.1 Check Before Power ON

Before powering on, verify the following:

• The equipment is securely installed in a well-ventilated, accessible location.
• PE cable, power cable, communication cable, and terminal resistor are connected correctly and securely.
• Cable ties are intact and properly routed.
• Unused ports and terminals are sealed.

7.2 Power ON the Battery System

Single Battery System:

1. (Optional) Turn on the breaker between the inverter and the battery system.
2. Turn on the air switch of the battery system.
3. Power on the inverter according to its user manual.

Diagram: Shows an Inverter connected via an optional circuit breaker to the Battery System, which has an Air Switch.

Parallel Connected Battery System:

1. (Optional) Turn on the breaker between the inverter and the battery system.
2. Turn on the breakers between the battery systems.
3. Turn on the air switches of the battery systems sequentially.
4. Power on the inverter according to its user manual.

Diagram: Shows multiple Battery Systems (1 to N) connected in parallel, with optional circuit breakers between them and the inverter, and an Air Switch for each battery system.

7.3 Setting the Battery Parameters

Select the battery model using the SolarGo App after connecting the battery module and inverter.

APP Installation and Connection:

• Download and install the SolarGo App from Google Play or the App Store.
• Connect your smartphone to the inverter's Wi-Fi (SSID: Solar-WiFi***, Password: 12345678).

Setting Battery Model:

In the SolarGo App, navigate to the "Select Battery Model" window and choose "LX F-H-US".

NOTICE: Selecting the wrong battery model will result in a "Battery Communication Failure".

7.4 Indicator Status

The system has a SOC Indicator and a Button Indicator on the PCU.

• Button Indicator: Green indicates Standby or Working; Red indicates Alarming or Faulty.

7.4.1 Normal Status

NOTICE: The SOC indicator is solid when charging and blinks once when discharging.

7.4.2 Alarming Status

When the Button Indicator is Red light blink 2 times:

7.4.3 Faulty Status

When the Button Indicator is Steady red:

08 Maintenance

8.1 Power OFF the Battery System

DANGER: Power off the system before maintenance to prevent damage or electric shock. Push the air switch to restart.

• Method One: Turn off the inverter, then long press the PCU's multifunction button for over 15 seconds until indicators are off.
• Method Two: Turn off the inverter, then disconnect the air switch until PCU indicators are off.

8.2 Routine Maintenance

WARNING: Contact after-sales service for any issues. Do not disassemble without permission. Be cautious of exposed copper conductors due to high voltage. Contact service for emergencies.

09 Parameters

Technical specifications for the Lynx Home FH Series US models:

*1: Test conditions: 100% DOD, 0.2C charge & discharge at 77±2°F for battery system at beginning life. System Usable Energy may vary with different Inverters.
*2: Nominal Dis-/Charge Current and power derating will occur related to Temperature and SOC.
*3: Based on 2.5~3.65V voltage range @77±2°F of Cell under 1C/1C test condition and 80% EOL.

Contact Information

GoodWe Technologies Co., Ltd.

No. 90 Zijin Rd., New District, Suzhou, 215011, China

Website: www.goodwe.com

Email: service@goodwe.com