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LG RESU3.3 Installation Manual

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Installation Manual for RESU LV
LG Chem strongly advises to take due care in following LGC's product
installation manual. A warranty claim is invalid if damage is caused
by human error, inconsistent with the installation manual.
Version 2.4
RESU3.3 (R4863P3S)
RESU6.5 (R48126P3S)
RESU10 (R48189P3S)
RESU PLUS
Scan the QR code
[Installation Guide]

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Summary of Contents for LG RESU3.3

  • Page 1 RESU6.5 (R48126P3S) RESU10 (R48189P3S) RESU PLUS LG Chem strongly advises to take due care in following LGC’s product installation manual. A warranty claim is invalid if damage is caused by human error, inconsistent with the installation manual. Scan the QR code [Installation Guide] Version 2.4...
  • Page 2 If you are uncertain about any of the requirements, recommendations, or safety procedures described in this manual, contact LG Chem immediately for advice and clarification.

  • Page 3: Table Of Contents

    Contents Safety ..........................6 Symbols on product labels .......................6 Safety Instructions ........................7 1.2.1 General Safety Precautions ......................7 1.2.2 Battery Handling Guide .......................8 Response to emergency situations ...................8 1.3.1 Leaking batteries ..........................9 1.3.2 Fire ..............................9 1.3.3 Wet batteries ..........................9 1.3.4 Damaged batteries ........................10 Qualified installers .........................
  • Page 4 Contents Battery Pack Installation ....................21 Unpacking ..........................21 Package items .........................22 Optional accessories ......................23 Checks before installation .....................23 Installation clearance ......................26 Securing battery pack to wall ....................26 Cable connections ........................28 4.7.1 Connecting ground wire ......................28 4.7.2 Connecting network cable......................29 4.7.3 Connecting power cables for RESU Plus ..................30 4.7.4...
  • Page 5 Contents 7 Commissioning ....................... 43 Status indicators ........................43 7.1.1 Battery pack..........................43 7.1.2 RESU Plus ..........................44 Commissioning battery pack ....................44 Shutting down battery pack ....................45 8 Troubleshooting......................46 9 Firmware Update ......................47 Updating battery pack firmware .................... 47 Updating RESU Plus firmware....................49 10 Warranty .........................

  • Page 6: Safety

    1 Safety NOTE To use rechargeable batteries, installers are required to comply with standard AS 4086.2 in Australia, VDE-AR-E2510-2 in Germany, and the domestic legislation in other countries. 1.1 Symbols on product labels The nameplate is attached to the left side of the battery pack, and the warning label is attached to the top.

  • Page 7: Safety Instructions

    Safety Read the manual before installing and operating the battery pack. The battery pack is heavy enough to cause severe injury. The battery pack may leak corrosive electrolyte. The battery pack may explode. The battery pack should not be disposed of with household waste at the end o s working life.

  • Page 8: Battery Handling Guide

    • Do not insert foreign objects into any part of the battery pack. • Do not use cleaning solvents to clean the battery pack. 1.3 Response to emergency situations The RESU battery pack comprises multiple batteries that are designed to prevent hazards resulting from failures. However, LG Chem cannot guarantee their absolute safety.

  • Page 9: Leaking Batteries

    If the battery catches fire, it will produce noxious and poisonous gases. Do not approach. 1.3.3 Wet batteries If the battery pack is wet or submerged in water, do not try to access it. Contact LG Chem or your distributor for technical assistance.

  • Page 10: Damaged Batteries

    Damaged batteries are dangerous and must be handled with extreme caution. They are not fit for use and may pose a danger to people or property. If the battery pack seems to be damaged, pack it in its original container, and then return it to LG Chem or your distributor. CAUTION Damaged batteries may leak electrolyte or produce flammable gas, If you suspect such damage, immediately contact LG Chem for advice and information.

  • Page 11: Product Introduction

    2 Product Introduction Technical Data 2.1.1 Dimensions and weight RESU3.3 RESU6.5 RESU10 RESU Plus Width 452 mm (17.80 in) 452 mm (17.80 in) 452 mm (17.80 in) 216 mm (8.50 in) Height 120 mm (4.72 in) 120 mm (4.72 in) 227 mm (8.94 in) 120.5 mm (4.74 in)

  • Page 12: Performance

    Product Introduction 2.1.2 Performance RESU3.3 RESU6.5 RESU10 Nominal voltage 51.8 V 51.8 V 51.8 V Operating voltage 42 to 58.8 V 42 to 58.8 V 42 to 58.8 V Nominal capacity 63 A·h 126 A·h 189 A·h Nominal energy 3.3 kW·h 6.5 kW·h...
  • Page 13 Product Introduction • Short Circuit Current / Duration RESU 10 RESU plus Short Circuit Current 2.853kA 2.72kA Duration 15ms • Arc Flash Protection Calculations In order to protect personnel from the possibility of being injured by an arc flash hazard, Arc flash calculation of the battery system is estimated with the Incident Energy Calculations refer to Annex D of NFPA 70E.

  • Page 14: Feature

    Product Introduction Feature The RESU battery pack has the following features: ® Energy storage unit : This battery pack is designed for domestic photovoltaic system compatibility. Battery management system (BMS) : The battery pack’s built-in BMS monitors its operation and prevents the battery from operating outside design limitations. See Troubleshooting on page 46.

  • Page 15: Resu Lineup

    For details about these models, see Technical data on page 11. RESU Plus The RESU battery pack can be used in combination of up to 2 units. • RESU3.3 + RESU3.3 • RESU3.3 + RESU6.5 • RESU3.3 + RESU10 • RESU6.5 + RESU6.5 •...
  • Page 16 Product Introduction 1) 1st battery pack 2) 2nd battery pack 3) RESU Plus 4) Inverter Use this procedure to install two battery packs using the RESU Plus. 1. Secure the RESU Plus to the wall. 2. Secure two battery packs to the wall. 3.

  • Page 17: Installation Prerequisites

    3 Installation Prerequisites Installation materials These installation materials shall be prepared by installers. • Charging cable • Network cable • Ground wire • RJ45 plug • Silicone sealant or putty NOTE Make sure that the cross-sectional area of charging cables is 33 to 50 mm Installation location Make sure that the installation location meets the following conditions: •...

  • Page 18: Tools

    Installation Prerequisites Tools These tools are required to install the battery pack. Torque screwdriver Phillips-screwdriver bit Hex-key bit Phillips-head screwdriver Flat-head screwdriver Torque wrench Wire stripper Cable crimper Voltmeter Tape measure Drill Sealant gun Use properly insulated tools to prevent accidental electric shock or short circuits. Use adjustable tools and measuring instruments that are certified for precision and accuracy.

  • Page 19: Safety Gear

    Installation Prerequisites 3.4 Safety gear Wear the following safety gear when dealing with the battery pack. Installers must meet the relevant requirements of international standards, such as IEC 60364 or the domestic legislation. Insulated gloves Safety goggles Safety shoes 3.5 Making network cable Use this method to make a network cable, which is to be connected between the battery pack and the inverter or the RESU Plus.
  • Page 20 Installation Prerequisites 5. Bring the sorted wires together, and trim them to about 1.4 cm in length. 6. Hold the RJ45 plug with the copper contacts facing up, and insert the wires into the plug, making sure that they stay aligned and each color goes into its appropriate channel. 7.

  • Page 21: Battery Pack Installation

    4 Battery Pack Installation WARNING The battery pack is too heavy for one to carry. Make sure that two or more persons are available. NOTE Recommend the grounding between the battery pack and the inverter. 4.1 Unpacking Unpack the battery pack from its packaging. 1.

  • Page 22: Package Items

    Battery Pack Installation 5. All the other items are contained in a box in one corner of the carton. Take them out and check if any item is missing. See Package items on page 22. 6. Replace the honeycomb cushioning pads. Keep the carton for future storage or transportation.

  • Page 23: Optional Accessories

    M5 × 8 screws Use only the parts included with the battery pack, except for the screw anchors, to ensure proper installation. If anything is damaged or missing, contact LG Chem or your distributor. 4.3 Optional accessories These baseplates and shelves are sold separately.
  • Page 24 Contact LG Chem or your distributor. 5. Measure the voltage at the terminal block using a voltmeter. If the voltage is lower than 38 V, do not use the battery pack. Contact LG Chem or your distributor.
  • Page 25 7. Measure the voltage at the terminal block using a voltmeter. If the voltage is higher than 0 V, do not use the battery pack. Contact LG Chem or your distributor. 8. To secure the battery pack to the wall, replace the top cover and tighten the screws to a torque of 2.75 N·m.

  • Page 26: Installation Clearance

    Battery Pack Installation Installation clearance 300 mm 300 mm 300 mm 300 mm 300 mm 300 mm 9 mm 300 mm 9 mm Make sure to leave a space of at least 9 mm between the battery pack and the wall. A clearance of at least 9 mm must be left around the battery pack for proper cooling.
  • Page 27 Battery Pack Installation 1. Determine where the mounting brackets are to be placed using the drill template. 2. Drill holes in the wall for the M6 (0.25 in) screw anchors. The drilling depth should be at least 50 mm. 3. Drive the screw anchors through the mounting brackets into the holes.

  • Page 28: Cable Connections

    Battery Pack Installation 6. There are screw holes for mounting brackets on the top of the both sides of the battery pack. Drive the M5 screws through the mounting brackets into the holes and tighten them to a torque of 5 N·m. Cable connections WARNING Make sure that the inverter is turned off before connecting the battery pack to the inverter.

  • Page 29: Connecting Network Cable

    Battery Pack Installation 4.7.2 Connecting network cable It is required for the battery pack to communicate with the inverter for proper operation. Connect a network cable between the battery pack and the inverter or RESU Plus. 1. The small grommet is too small for an RJ45 plug to pass through.

  • Page 30: Connecting Power Cables For Resu Plus

    Battery Pack Installation 4.7.3 Connecting power cables for RESU Plus NOTE Skip this task if the RESU Plus is not installed. To supply power to the RESU Plus for its operation, connect the provided power cables from the battery pack to the RESU Plus. 1. Insert the connector of the power cable into the power connector. 2.

  • Page 31: Finalizing Installation

    Battery Pack Installation NOTE Pay attention not to reverse polarity. Connection with reversed polarity causes severe damage to the battery pack. 2. Connect the charging cables to the terminal block. a) Remove the terminal cover plate, which is placed over the terminal block to protect it. b) Connect the negative cable (−) to the terminal on the left and the positive cable (+) to the one on the right.
  • Page 32 Battery Pack Installation 3. Check if the configuration switches are set properly, referring to Configuring Battery pack on page 40. 4. Turn on the battery pack as described in Commissioning battery pack on page 44. 5. Replace the top cover and tighten the screws to a torque of 5 N·m.

  • Page 33: Resu Plus Installation

    5 RESU Plus Installation NOTE Skip this chapter if only one battery pack is to be installed. 5.1 Unpacking Unpack the RESU Plus from its packaging. 1. Cut the packing tape and open the carton. 2. Remove the cover of the inner box. 3.

  • Page 34: Securing Resu Plus To Wall

    RESU Plus Installation The RESU Plus has glands and grommets attached to their own places. The table below lists the number of each item included. Power cables Anchor bolts 5.3 Securing RESU Plus to wall Secure the RESU Plus to a wall to prevent it from moving. 1.

  • Page 35: Cable Connections

    RESU Plus Installation 3. Pull up the circuit board to remove it. NOTE To prevent the circuit board from being damaged or soiled, keep it in a safe place until it is replaced. 4. Determine where the anchor bolts are to be placed.

  • Page 36: Connecting Charging Cables

    RESU Plus Installation 5.4.1 Connecting charging cables 1. Loosen the sealing nuts of the large glands. 2. Feed charging cables through the large glands, and connect each charging cable to its corresponding terminal. Use the terminal block at the lower left for the first battery pack, the one at the lower right for the second battery pack, and the one at the upper for the inverter.

  • Page 37: Connecting Ground Wires

    RESU Plus Installation 5.4.2 Connecting ground wires Grounding between the battery pack and the inverter is not mandatory but recommended. 1. Loosen the sealing nuts of the small glands that are closest to the edges. 2. Feed ground wires through the glands. 3.

  • Page 38: Connecting Network Cables

    RESU Plus Installation 3. Connect each power cable to its corresponding terminal block. Use the terminal block at the left for the first battery pack and the one at the right for the second battery pack. Connect the negative line (−) to the terminal on the left and the positive line (+) to the one on the right.

  • Page 39: Finalizing Installation

    RESU Plus Installation 5.5 Finalizing installation Follow these steps to finalize the installation. 1. Check if the configuration switches on the RESU Plus and both battery packs are set properly, referring to Configuring RESU Plus on page 42 and Configuring Battery pack on page 40. 2. Turn on the battery pack as described in Commissioning battery pack on page 44. 3.

  • Page 40: Configuration Switches

    6 Configuration Switches The RESU battery pack and RESU Plus have inside DIP switches and rotary switches, which must be set correctly for proper communication with the inverter. 6.1 Configuring Battery pack Remove the switch cover by pulling it up to expose the circuit board. Switch number Type Label...

  • Page 41: Setting For Battery Cell Type

    Configuration Switches The number of battery packs Value Setting 0011 0010 6.1.2 Setting for battery cell type Make sure that the Cell select DIP switch is set to 00 6.1.3 Settings for CAN bus pins Make sure that the CAN_H rotary switch is set to 4. This switch indicates which pin is used for CAN high signal by the inverter. Make sure that the CAN_L rotary switch is set to 5.

  • Page 42: Configuring Resu Plus

    Configuration Switches 6.2 Configuring RESU Plus SW select CAN_H CAN_L TermRes SW select CAN_H CAN_L TermRes SW select CAN_H CAN_L TermRes SW select CAN_H CAN_L TermRes Switch number Type Label Default SW select 0011 Rotary CAN_H Rotary CAN_L Rotary Term Res 6.2.1 Setting for communication interface Make sure that the SW select DIP switch is set to 0011 6.2.2 Settings for CAN bus pins See the section of the same title on page 41.

  • Page 43: Commissioning

    7 Commissioning Status indicators 7.1.1 Battery pack There are four LED indicators on the front of the battery packs to show its operating status. ON: This indicator stays on while the battery pack is supplied with power for operation. Charging: This stays on while the battery pack is charging. Discharging: This stays on while the battery pack is discharging.

  • Page 44: Resu Plus

    1. Move the circuit breaker switch to the ON position to turn on the battery pack. 2. Make sure that the ON indicator is on. If it stays off, do not use the battery pack. Contact LG Chem or your distributor. 3. Turn on the inverter.

  • Page 45: Shutting Down Battery Pack

    2. On both battery packs, make sure that the ON indicator is on. If it stays off, do not use the battery pack. Contact LG Chem or your distributor. 3. On the RESU Plus, make sure that either or both of the Pack 1 and Pack 2 indicators are on.

  • Page 46: Troubleshooting

    8 Troubleshooting Check the indicators on the front to determine the state of the battery pack. A warning state is triggered when a condition, such as with voltage or temperature, is beyond design limitations. The battery pack’s BMS periodically reports its operating state to the inverter. When the battery pack falls outside prescribed limits, it enters a warning state.

  • Page 47: Firmware Update

    9 Firmware Update It is possible to update the BMS firmware. Use a memory card to update it. A new firmware may be available from LG Chem website or your distributor. Prepare a memory card with these properties. • The capacity of the memory card must not be greater than 32 GB.
  • Page 48 If it fails, the Warning indicator comes on for two seconds. Check the memory card and try again. If it persistently fails, contact LG Chem or your distributor. 6. Remove the memory card. Push the memory card gently until it is disengaged from the slot, and pull it out.

  • Page 49: Updating Resu Plus Firmware

    If it fails, the Fault indicator comes on for two seconds. Check the memory card and try again. If it persistently fails, contact LG Chem or your distributor. 6. Remove the memory card. Push the memory card gently until it is disengaged from the slot, and pull it out.

  • Page 50: Warranty

    10 Warranty LG Chem protects this product under warranty when it is installed and used as detailed in this manual. Violating the installation procedure or using the product in any way not described in this manual immediately voids all warranties on the product.

  • Page 51: Certifications

    11 Certifications Battery pack safety CE, FCC, RCM, TUV (IEC 62619), UL 1973 Battery cell safety UL 1642 UN number UN 3480 Hazardous materials classification Class 9 UN transportation testing requirements UN 38.3 International protection marking IP55...

  • Page 52: A Compatible Inverters

    A Compatible Inverters For information about inverters that are compatible with the RESU Plus battery pack, visit LG Chem’s website. • http:// www.lgesspartner.com/au • http:// www.lgesspartner.com/de • http:// www.lgesspartner.com/uk...

  • Page 53: B Supported Memory Cards

    Most memory cards can be used for firmware update. However, some memory cards may not be supported, depending on manufacturers and models. These memory cards are tested and guaranteed to work by LG Chem. • SanDisk SDHC 4 GB • SanDisk Ultra SDHC10 8 GB •...
  • Page 54 Keep this manual for later use. © 2020 LG Chem ESS Battery Division LG Twin Tower, 128, Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, Republic of Korea http://www.lgesspartner.com http://www.lgchem.com...

This manual is also suitable for:

Resu6.5Resu10Resu plusR4863p3sR48126p3sR48189p3s

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