LG RESU FLEX Installation Manual
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LG RESU FLEX Installation Manual

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Full Installation Manual for RESU FLEX
LG Energy Solution strongly advises users to exercise due care in following LG Energy
Solution's product installation manual. Warranty claims are invalid if damage is caused
by human error in a manner inconsistent with the installation manual's instructions.
Version 1.0

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Summary of Contents for LG RESU FLEX

  • Page 1 Full Installation Manual for RESU FLEX LG Energy Solution strongly advises users to exercise due care in following LG Energy Solution’s product installation manual. Warranty claims are invalid if damage is caused by human error in a manner inconsistent with the installation manual’s instructions.

  • Page 2: Table Of Contents

    About this manual This manual describes how to install LG Energy Solution’s RESU FLEX battery pack. Read this manual before you attempt to install the product, and follow the instructions throughout the installation process. If you are uncertain about any of the requirements, recommendations, or safety procedures described in this manual, contact LG Energy Solution immediately for advice and clarification.
  • Page 3 3. Installation ································································································· 16 3.1 Package Contents ·································································································16 3.1.1 BPU Package ································································································16 3.1.2 BPU Bundle Package ················································································16 3.1.3 BMA Package ································································································ 17 3.1.4 Option Item Package (Optional Standing type) ····························· 17 3.1.5 Option Item Package (Wall Mounting type) ···································· 18 3.2 Installation Location ····························································································...
  • Page 4 5 Commissioning ··························································································· 48 5.1 Pre-preparation ····································································································48 5.1.1 Account ···········································································································48 5.1.2 App ··················································································································48 5.2 Battery Setting . ····················································································································49 5.3 LED Indicator ········································································································49 5.3.1 LED State for Battery Setting ·······························································50 5.3.2 LED state for operation ··········································································50 5.3.3 Powering On the Battery Pack ····························································· 51 5.3.4 Shutting Off the Battery Pack ·······························································...

  • Page 5: Safety

    1. Safety 1.1 Symbols Caution, risk of electric shock Do not place or install near flammable or explosive materials Install the product out of reach of children Read the instruction manual, in its entirety, before starting installation and operation Heavy weight may cause serious back injuries Do not dispose of the product with household waste Recyclable Disconnect the equipment before carrying out maintenance or repair...

  • Page 6: Battery Handling Guide

    disconnected from the Battery Pack wiring. Wiring must be carried out by qualified personnel. Battery pack should only be serviced by qualified personnel. The electronics inside the battery pack are vulnerable to electrostatic discharge. Be sure to be grounded before handling the battery pack. Read the label with Warning Symbols and Precautions, which are visible under the Battery Cover (see Section 1.3 Warning Label).
  • Page 7 • Do not touch the product if liquid spills on it. There is a risk of electric shock. Handle the battery wearing insulated gloves. • Do not step on the product or the product՚s packaging since the product may be damaged. •...

  • Page 8: Response To Emergency Situations

    1.2.3 Response to Emergency Situations The Product includes internal fault mechanisms designed to prevent failures and subsequent risk hazards. However, LG ES cannot guarantee safety performance of the Product is ever exposed to abuse, damage or negligence. • If a user happens to be exposed to the internal materials of the battery cell due to damage on the outer casing, the following actions are recommended.

  • Page 9: Warning Label

    1.3 Warning Label Product/warning label and Battery Control Unit’s traceable label are behind the front cover. The Design cover opens. Battery Modules’ traceable labels are attached to the side of the Battery Modules. 1.3.1 BPU 2. Traceable label 1. Product/Warning label...

  • Page 10: Bma

    1.3.2 BMA 2. BMA label 1. Warning label ① 37.0 Ah RESU FLEX 4.3 kWh ② 117.44V EH117037P9S1 48.0kg(105.8lb) INP5/101/150[5P32S]E/-10+50/95 PJT Name Criteria EH117037P9S1 ① Country of production Line Year Month ② Production number 3 digits (0001 – 9999)

  • Page 11: Product Introduction

    2. Product Introduction 2.1 Technical Data 2.1.1 Dimensions and Weight 665.2mm 665.2mm 665.2mm 665.2mm EH117037P9S1 (BMA) EEA00462AA (BPU) Width 665.2 mm Width 665.2 mm Height 665.2 mm Height 665.2 mm Depth 148.4 mm Depth 148.4 mm Weight 48.9 kg Weight 16.5 kg * Without Design Cover and Brackets ** Weight of BPU(with Design Cover) : 16.6 kg...

  • Page 12: Performance

    2.1.2 Performance RESU FLEX RESU FLEX RESU FLEX Model Name 12.9 17.2 Electrical Characteristics BPU 1ea, BMA BPU 1ea, BMA BPU 1ea, BMA Configuration Usable Energy 8.6 kWh 12.9 kWh 17.2 kWh Battery Capacity 37Ah 37Ah 37Ah Voltage Range 192 to 265.6V 288 to 398.4V 384 to 531.2V Max.

  • Page 13: Arc Flash Protection Calculations

    ※ Test Conditions: Temperature 25°C/77°F, at the beginning of life. ※ Energy is measured under specific conditions from LG Energy Solution (0.3CCCV/0.3CC). 1) Value for battery pack only. Maximal usable energy at the AC output may vary by condition, such as inverter efficiency, configuration and temperature.
  • Page 14 WARNING When installing the battery system, the worker shall wear arc-rated clothing on every occasions and places to protect him/her from any possible exposure to an electric arc flash. • The arc-rated clothing worn by the worker must assure the worker’s movement and visibility while covering all ignitable clothing.

  • Page 15: Features

    • Flexible installation: Indoors or Outdoors 2.3 Maintenance RESU FLEX does not require maintenance during normal operation if properly installed per the installation manual. In the event of fault, contact the regional service center.

  • Page 16: Installation

    3. Installation 3.1 Package Contents 3.1.1 BPU Package The Following item is included in the BPU Package. 3.1.2 BPU Bundle Package The Following items are included in the BPU Bundle Package. Fixing Bracket Single Corner Cover Quick Installation Manual Connector Cover End Connector M6 Wrench Bolt(Black) Basic Standing Bracket...

  • Page 17: Bma Package

    3.1.3 BMA Package The Following items are included in the BMA Package. Battery Pack (BMA) BMA Inter Cable Assy Basic Standing Bracket Single Corner Cover Corner Bracket M6 Wrench Bolt(Black) 3.1.4 Option Item Package (Optional Standing type) The Following items are included in the Option Item Package Pack Standing Bracket Double Corner Cover M6 Wrench Bolt(Black)

  • Page 18: Option Item Package (Wall Mounting Type)

    3.1.5 Option Item Package (Wall Mounting type) The Following items are included in the Option Item Package (Wall Mounting Type) Wall Mounting Bracket Pack Mounting Bracket Double Corner Cover Design Cover BMA Corner Bracket M6 Wrench Bolt (Black) Wall Mount layout information Manual 3.2 Installation Location Make sure that the installation location meets the following conditions:...

  • Page 19: Lifting Guide

    NOTE The RESU Battery pack is rated at IP55 and thus can be installed outdoors as well as indoors. However, if installed outdoors, do not allow the battery pack to be exposed to direct sunlight and moisture. NOTE If the ambient temperature is outside the operating temperature range (-10℃ ~ 50℃), the battery pack will stop operation to protect itself.

  • Page 20: Bma With Optional Standing Bracket

    3.3.3 BMA With Optional Standing Bracket Where to place the handle assemble. How to move BMA Lift up Move direction 3.3.4 BMA With Pack Mounting Bracket When moving after Assembling Pack Mounting Bracket, The available location of the handle is different, depending on the installation order or type (Reference 3.8.1) back view Front view...

  • Page 21: Tools

    3.4 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 Inclinmeter Cable tie Use properly insulated tools to prevent accidental electric shock or short circuits.

  • Page 22: Safety Gear

    3.5 Safety Gear Wear the following safety gear when dealing with the battery pack. Installers must meet the relevant requirements on the national standards, such as IEC 60364 or the domestic legislation. Insulated gloves Safety goggles Safety shoes 3.6 Standing Installation (Basic Standing / Optional Standing) 3.6.1 Items for Stand type (Basic Standing / Optional Standing) •...

  • Page 23: Install Battery Pack For Stand Type

    3.6.3 Install Battery Pack for Stand type 1. Assemble the Basic standing bracket Basic M6 Bolt Basic standing bracket M6 bolt (a torque of 5N·m) When adding Optional Standing Bracket Bolt 8ea(a torque of 5N·m) Basic Standing Bracket Pack Standing Bracket *Optional Standing Bracket is for additional purchase and is not included in basic package.
  • Page 24 2. Fix the first BMA to the wall 1) Assemble Fixing Brackets on the first BMA Fixing Bracket M6 Bolt (a torque of 5N·m) 2) Move the first BMA to the wall and mark the drill point for the Fixing Brackets.
  • Page 25 4. Connect the Inter Cable to the Top Terminal Block inside the BMA. Communication Power Inter Cable Wall After connection, M6 Bolt fasten the bolts. Connector color : Black 5. Tidy up the cable by inserting in the attachable path inside the BMA and fasten the cable using the Tie hole.
  • Page 26 6. Install the second BMA in front of the first BMA. Wall Corner Bracket M6 Bolt (a torque of 5N·m) * The Corner Bracket assembled on the Wall first and second BMA should divide the cables of the Wire Harness in to two part, with each part having two cable lines.
  • Page 27 7. Apply the Wire Harness along the attachable path as the below image and connect it to the Bottom Terminal Block of the second BMA. After connection, fasten the bolts. Connector color : Green Inter Cable Power Communication M6 Bolt Tie hole 8.
  • Page 28 Remove LED Cover and Design Cover of the BPU 1) Slide and remove the LED Cover of the BPU. 2) Unscrew the 4 bolts on the right side of the BPU as illustrated below. 3) Slide and remove the Design Cover of the BPU. LED Cover Design Cover 10.

  • Page 29: Finalizing Installation

    3.6.4 Finalizing Installation The following steps shall be executed after the connection to the inverter and commissioning is completed. 1. Reassemble the BPU’s Design Cover and LED Cover. 1) Reassemble the Design Cover of the BPU by sliding it backwards 2) Fasten the 4 bolts that were removed.
  • Page 30 Wall-mounting Layout...

  • Page 31: Wall-Mounting Installation

    When adding Optional Standing Bracket 1) Apply the Wire Harness along the attachable path as the below image and connect it to the Bottom Terminal Block of the second BMA. Basic Standing Bracket Direction Option Standing Wall Bracket Cover Option Standing Bracket Cover 2) Assemble Double Corner covers into Optional Standing Bracket Wall Double...

  • Page 32: Items For Wall Mount Type

    3.7.1 Items for Wall Mount Type These items are used for Wall Mount type • M6 Wrench Bolt • Anchor Bolt • Wall Mounting Bracket, Pack Mounting Bracket • Design Cover • Corner Bracket, Single Corner Cover, Double corner cover •...
  • Page 33 Depending on the condition of the wall, bolt at least 8 points Information of hole position (mm) 5. Connect the Brackets with each other using bolts, from left to right and from top to bottom direction. After connecting the Mounting Brackets, check the balance and fully fasten the bolts to the wall.

  • Page 34: Installation And Cable Connection Of Bma And Bpu For Wall Type

    3.7.4 Installation and Cable Connection of BMA and BPU for Wall type 1. Assemble the Pack Mounting Bracket to the BMA Pack Mounting Bracket 2. Assemble the BMA to the Wall Mounting Bracket using the handle. * Depending on the BMA attachment location, the location of the handles will be different. * The Design Cover of the BPU should be removed before installing the BPU to the Mounting Bracket.
  • Page 35 3. In the marked part, assemble the corner bracket and double corner cover first and then install the next BMA Double Corner Cover Corner Bracket Double Corner Cover Corner Bracket...
  • Page 36 4. Remove LED Cover and Design Cover of the BPU Remove LED Cover and Design Cover of the BPU 1) Slide and remove the LED Cover of the BPU. 2) Unscrew the 4 bolts on the right side of the BPU as illustrated below. 3) Slide and remove the Design Cover of the BPU.
  • Page 37 6. Once all the BMAs and BPU are installed, start the cable wiring between the BMAs and BPU. Make sure that the cabling order is the same as the installation order of the BMA as the Wall-mounting Layout and the BPU is always the last one in the order. 7.
  • Page 38 8. Connect the Inter Cables between the BMAs and BPU in order. 1) Top Terminal Block Communication Power Inter Cable After connection, fasten the bolts M6 Bolt Connector: Black 2) Bottom Terminal Block Inter Cable M6 Bolt Power Communication After connection, fasten the bolts Connector: Green 9.
  • Page 39 10. Only use the cable path from the three following illustration. 1) Left to right connection 2) Right to left connection...

  • Page 40: Finalizing Installation

    3) Bottom to top connection Tie hole Cable Tie The excess wire length should be fixed as shown in the figure 3.7.5 Finalizing Installation The following steps shall be executed after the connection to the inverter and commissioning is completed. 1.
  • Page 41 5. Assemble all Single Corner Cover and Double Corner Cover. ( A : Single Corner cover, B: Double corner cover ) Corner Bracket Single corner cover Double corner cover...

  • Page 42: Connection To The Inverter

    4. Connection to the Inverter WARNING Make sure that the inverter is turned off before connecting the BPU to the inverter. 4.1 Prepare for connection Terminal Cover 1. Disassemble the Terminal Cover of the BPU by removing the bolts on 8 points. 2.

  • Page 43: Communication Line Connection

    4.2 Communication Line Connection It is required for the battery pack to communicate with the inverter for proper operation. Connect a communication cable between the BPU and the inverter. 1. Find the Communication terminal Communication terminal block block inside the terminal hole. Inverter CAN Hi Inverter CAN Lo Inverter RS485 A+...
  • Page 44 3. Insert the Ethernet cable through the gland hole and connect the cable it to the Terminal for Ethernet cable. Terminal for Ethernet cable Pin-map of the communication terminal block Color Pin map ENABLE GND(-) GRAY LTE/WAKE GND(-) INPUT 12V (BPU EOL) BLACK ENABLE 12V (IN) WAKE OUT...

  • Page 45: Power (Charging/Discharging) Line Connection

    4.3 Power (Charging/Discharging) Line Connection NOTE Pay attention to polarity. Reverse polarity connection causes severe damage to the BMA. 1. Find the Power terminal block inside the terminal hole 2-1. Prepare the power cable Recommended power cable a) Max. cable length : < 30m(98ft) b) Conductor cross section : c) Use ferrule terminal for the power cable...

  • Page 46: End Of Connection

    4.4 End of Connection 1-1. Insert the seal into the Cable Gland and fasten the Cable Gland Cable Gland (a torque of 5~6 N·m) 1-2. Or seal the Cable gland with sealant after fasten the Cable Gland. ※ IP55 is not met when only outer hole is sealed. Make sure that inter hole of the Cable Gland is sealed properly.
  • Page 47 2. Assemble the Terminal cover to the BPU M6 Bolt (a torque of 5N·m) 3. Mark the Model No. depending on the Battery Configuration. Battery Configuration RESU FLEX 8.6 RESU FLEX 12.9 RESU FLEX 17.2 □ □ □ BPU 1 + BMA2...

  • Page 48: Commissioning

    5 Commissioning 5.1 Pre-preparation 5.1.1 Account If you don’t have your account, please visit LG ESS Battery website and make an account. Below are dedicated URL following on the regions : https://www.lgessbattery.com/us (in case of North America) https://www.lgessbattery.com/au (in case of Australia) https://www.lgessbattery.com/eu (in case of all EU-countries in general)

  • Page 49: Battery Setting

    5.2 Battery Setting 1. Install the Battery Setting by following the instructions on the App. 2. After battery setting is completed, check the LED state (refer to 5.3.1) 5.3 LED Indicator There are four LED indicators on the front of the battery packs to show its operating status.

  • Page 50: Led State For Battery Setting

    5.3.1 LED State for Battery Setting The LED indicators on the front of the battery pack show the battery setup state as follows: During initial battery setup Initial setting Initial setup error 1* Initial setup error 2** Initial setup error 3*** not performed When POWER, When the LEDs are...

  • Page 51: Powering On The Battery Pack

    Battery fault status. Battery Fault FAULT1 FAULT2 5.3.3 Powering On the Battery Pack There are four LED indicators on the front of the battery packs to show its operating status. 1. Open the front cover. 2. Ensure the circuit breaker switch is in the OFF position. 3.

  • Page 52: Troubleshooting

    4. Make sure that every LED indicator on the battery pack is OFF. (After 10 seconds, the LED lights will turn off and the battery will shut down completely.) 5. Close the front cover. 6. Troubleshooting 6.1 Troubleshooting Overview Check the LED indicators on the front to determine the state of the battery pack.

  • Page 53: Post-Installation Checklist

    The fault state will be cleared when the battery pack resumes into normal operation. If battery pack is not working properly and the issue persists, contact a qualified staff, Installer or LG Energy Solution regional contact service point. NOTE For serious warnings, if no proper corrective action is taken by the inverter, the battery pack’s circuit breaker will automatically trip to protect itself.

  • Page 54: Troubleshooting Guidelines

    6. If the LED power indicator is still OFF, turn off the circuit breaker. 7. Disconnect the power cable connector. 8. Contact LG Energy Solution regional contact point. 1) Contact the inverter manufacturer. 2) Refer to the inverter installation manual or troubleshooting guidelines.
  • Page 55 2. If the inverter is connected to the internet, collect the log files from the inverter company. 2-1. Send the fault ID to LG Energy Solution regional contact point. 2-2. Turn off the circuit breaker. 2-3. Wait further instruction from LG Energy Solution.

  • Page 56: Contact Information

    Damaged batteries are dangerous and must be handled with extreme caution. They are not fi t for use and may pose a danger to people or property. If the battery pack seems to be damaged, contact LG Energy Solution regional contact point or your distributor. Use the contacts below for technical assistance.

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