Felicity Solar LiFePO4 Battery System User Manual

1. Introduction

This document describes the installation, commissioning, maintenance, and troubleshooting of the following high voltage battery system. The battery chemistry is Lithium Iron Phosphate. This manual is designed for qualified personnel only. All tasks described herein must be performed by authorized and qualified technicians. After installation, the installer must explain the user manual to the end user.

2. Symbols

• ⚡️ Caution, risk of electric shock.
• ?❌ Do not place nor install near flammable or explosive materials.
• ?? Install the product out of reach of children.
• ? Read the instruction manual before starting installation and operation.
• ?️❌ Do not dispose of the product with household wastes.
• ♻️ Recyclable.
• ?➡️?️❌ Disconnect the equipment before carrying out maintenance or repair.
• ⚡️✋ Observe precautions for handling electrostatic discharge sensitive devices.
• ⚡️1️⃣ Protective Class 1.
• ⚡️⏳ Caution, risk of electric shock, energy storage timed discharge.

3. Safety

3.1 Handling

• Do not expose the battery to open flame.
• Do not place the product under direct sunlight.
• Do not place the product near flammable materials, as it may lead to fire or explosion in case of accident.
• Store the product in a cool, dry place with ample ventilation.
• Store the product on a flat surface.
• Store the product out of reach of children and animals.
• Do not damage the unit by dropping, deforming, impacting, cutting, or penetrating with a sharp object, as this may cause leakage of electrolyte or fire.
• Do not touch any liquid spilled from the product; there is a risk of electric shock or skin damage.
• Always handle the battery wearing insulated gloves.
• Do not step on the product or place any foreign objects on it, as this can result in damage.
• Do not charge or discharge a damaged battery.

3.2 Installation

• After unpacking, check the product for damages and missing parts.
• Ensure that the inverter and battery are completely turned off before commencing installation.
• Do not interchange the positive and negative terminals of the battery.
• Ensure there is no short circuit of the terminals or with any external device.
• Do not exceed the battery voltage rating of the inverter.
• Do not connect the battery to any incompatible inverter.
• Do not connect different battery types together.
• Ensure that all batteries are grounded properly.
• Do not open the battery to repair or disassemble; only Felicity is authorized to carry out such repairs.
• In case of fire, use only a dry powder fire extinguisher. Liquid extinguishers should not be used.
• Install the battery away from children or pets.
• Do not use the battery in a high static environment where the protection device might be damaged.
• Do not install with other batteries or cells.

4. Response to Emergency Situations

The batteries comprise multiple batteries connected in series and are designed to prevent hazards or failures. However, Felicity cannot guarantee their absolute safety. In case of exposure to internal battery materials, follow these recommendations:

• If inhalation occurs, leave the contaminated area immediately and seek medical attention.
• If contact with eyes occurs, rinse the eyes with running water for 15 minutes and seek medical attention immediately.
• If contact with skin occurs, wash the contacted area thoroughly with soap and seek medical attention immediately.
• If ingestion occurs, induce vomiting and seek medical attention.

Fire Situation

Use an FM-200 or Carbon Dioxide (CO2) fire extinguisher to extinguish a fire if it occurs in the area where the battery pack is installed. Wear a gas mask and avoid inhaling toxic gases and harmful substances produced by the fire.

4.1 Warning Labels

Warning labels and other relevant labels are attached to the battery pack. [Various warning labels including CE, UN38.3, IEC62619 certifications, and safety icons for electrical shock, flammability, and handling.]

5. Product Information

1. The HVC-BMU is a battery module and requires the HVC-BCU controller.
2. The HVC-BCU is the controller for the entire system; each system must have one HVC-BCU.
3. The system consists of at least 1 HVC-BMU and 1 HVC-BCU, and up to 5 HVC-BMU units with 1 HVC-BCU.

5.1 Battery Module Specifications (For HVC-BMU)

5.2 BMS Specifications (For HVC-BCU)

5.3 Battery System Specifications

Charging method:

When the battery and inverter establish communication, a constant current of 30A is charged until the battery voltage reaches 112V * N. Then, the current decreases linearly until the voltage reaches 115.2V * N, and the current drops to 0A (N is the number of battery packs in series).

6. Electrical Connections

6.1 Battery System Features

The batteries are equipped with multiple protection systems for safe operation, including:

• Inverter interface protection: Over voltage, Over current, External Short Circuit, Reverse Polarity, Ground Fault, Over Temp, Inrush current.
• Battery Protection: Internal Short Circuit, Over voltage, Over current, Over temp, Under voltage.

The battery system provides the following interfaces for connection and efficient operation.

6.2 Electrical Interface Description of Control cabinet

[Diagram showing the control cabinet with labeled ports: A (Earth Terminal), B (PCS+), C (PCS-), D (Power Switch), E (Breaker), F (LCD display), G (PCS Communication), H (Blind plug terminal), I (Bleed valve).]

6.3 Battery box introduction

[Diagram of a battery box with a single labeled port 'A' (Blind plug terminal).]

6.4 Base introduction

[Diagram of a base with labeled components A, B, C.]

6.5 Battery system introduction

[Diagram of the stacked battery system showing: A (Control cabinet), B (Battery box), C (Pedestal), D (Fixed trestle), E (Safety shield).]

6.6 Switch On / Off

[Diagram showing a breaker switch in 'ON' position with a power button, and in 'OFF' position.]

Switch on: Close the breaker to the ON block, press and hold the Power switch for 2-3 seconds. The battery will perform a self-test before output. The LCD will show SOC.

Switch off: Close the breaker to the OFF block. The battery will shut down directly.

7. Installation

7.1 Items in the package

Packaging information:

• The battery system consists of a battery, a control box, and a base.
• Before unpacking, check the packaging for damage and verify the battery system model. If any issues are found, do not open the packing case and contact the after-sales service center immediately.
• After unpacking, check the completeness of the product delivery against the packaging information. If any anomaly is found, contact the after-sales service center as soon as possible.

7.2 Product size information

[Diagram showing the dimensions of the battery system: 600mm width, 370mm depth, with modular height components of 210mm, 200mm, 122mm, 70mm.]

7.3 Tools

[Images of various tools including: Screwdriver, Crimping Modular, Safety Shoes, Multimeter, Safety Gloves, Safety Goggles, Plier, Ribbon.]

7.4 Floor installation with base

Installation Location Requirements

[Diagram illustrating floor installation requirements: base placed against a wall, with minimum clearance of 300mm from walls and ground, and a distance of 300-500mm between stacked units.]

7.5 Installation Procedure

1. Remove the battery, base, and control box from the carton.
2. Place the base against the wall.
3. Install 1-5 battery boxes on the base, and then place the control box above the installed batteries, ensuring it is firmly placed.
4. Install the anti-tipping bracket of the control box. Mark the punching position with a marker, then remove the anti-tipping bracket and the control box.
5. Use an impact drill to drill holes (Aperture: 10mm, depth: 60mm).
6. Use a hammer to knock the plastic plug into the hole, fit it to the wall, then reinstall the control box and the anti-tipping bracket. Tighten the screws on the anti-tipping bracket. The torque requirement is 10N·m to ensure the control box is firmly installed.

[Diagram showing steps 1-5 of the installation procedure.]

7.6 Install Environment

[Diagram illustrating installation environment considerations, showing stacked battery units in a stable, vertical position.]

7.7 System Wiring Schematic

Matching side inverter IVGM100600

[Wiring schematic showing connections between a matching inverter (IVGM100600) and the Felicity Solar battery system, illustrating power and communication lines.]

7.8 Ground connection

[Diagram showing three steps for ground connection: preparing the cable, crimping the terminal, and connecting to the ground point.]

Note:

• When installing equipment, the protective ground wire must be installed first.
• When removing equipment, the protective ground wire must be removed finally.
• The drawing force after crimping shall be greater than 400N.
• The control box is connected to the ground wire of the base.

7.9 Power line connection

[Diagram showing three steps for power line connection: crimping the power line, installing waterproof cover, and tightening the rear cover.]

Note: Press the indicated position before disconnecting the power terminal.

7.10 Terminal Connection

Power terminal

[Diagram showing how to connect and disconnect power terminals, including pressing a button, pulling out, and connecting battery terminals.]

Note: Press the indicated position before disconnecting the power terminal.

7.12 Description for Communication port

7.13 Install protective cover

[Diagram showing electrical connection and installation of protective cover, including grounding protection.]

8. LCD Display Icons

[Diagram showing the LCD display with 'Battery Information' indicating State of Charge (SOC) as a percentage (e.g., 188%), and 'Fault Information' with an exclamation mark icon indicating a fault. The 'State' section describes charging and discharging display behavior.]

8.1 Fault Code Table

9. Warranty

The warranty does not cover defects caused by normal wear and tear, inadequate maintenance, handling, storage, faulty repair, modifications by a third party other than Felicity, failure to observe product specifications, or improper use or installation. This includes, but is not limited to:

• Damage during transport or storage.
• Incorrect installation of battery into pack or maintenance.
• Use of battery or pack in an inappropriate environment.
• Improper, inadequate, or incorrect charge, discharge, or production circuit other than stipulated herein.
• Incorrect or inappropriate use.
• Insufficient ventilation.
• Ignoring applicable safety warnings and instructions.
• Altering or attempted repairs by unauthorized personnel.
• Force majeure events (e.g., lightning, storm, flood, fire, earthquake, etc.).

There are no warranties, implied or express, other than those stipulated herein. Felicity shall not be liable for any consequential or indirect damages arising in connection with the product specification, battery, or pack.

10. Troubleshooting and Maintenance

10.1 Maintenance

1. Regularly check if the service environment of the battery meets requirements and ensure the installation position is far from heat sources.
2. Charge the battery promptly in the following situations:
   • The battery is often undercharged.
   • The battery has been out of use or stored for more than 3 months.
3. Regularly check if the battery, its supporting terminals, connecting cables, and indicator lights are normal.

10.2 Troubleshooting

A flashing or normally lit red/white LCD on the panel does not necessarily indicate an abnormal battery system; it may be an alarm or protection indicator. Refer to Chapter 7 for detailed fault definitions. Generally, alarm indications are normal without manual intervention. The battery system will automatically return to normal use when the alarm triggering state is removed.

Problem determination based on the following points:

• Is the red light on the BCU600050 on?
• Can the battery output voltage?
• Can the battery system communicate with the inverter?

Preliminary determination steps:

• Household Battery System Cannot Work: If the DC switch is on, POWER is on, but the LCD does not light up or flash, contact the local distributor.
• Cannot Charge/Discharge: If the BCU600050 LCD display is normal, but the system cannot charge or discharge, and the inverter display shows no SOC, check the CAN communication between the BCU600050 and the inverter. If the connection is good, replace the CAN communication cable. If SOC is still not visible on the inverter display, contact the local distributor.
• Alarm Information Displayed: If alarm information is visible on both the LCD and the inverter display screen after the battery system is powered on, contact the local distributor.