LG A1C-V5 Series Installation Manual
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LG A1C-V5 Series Installation Manual

LG A1C-V5 Series Installation Manual

Ac module system
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Please read the AC Module System Installation Manual before installing, wiring, or using this
product in any way. Failure to comply with these instructions may invalidate the Warranty.
AC Module System
Installation Manual
LGXXXA1C-V5
Copyright © 2020 LG Electronics.
All Rights Reserved.
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  • Page 1 Installation Manual LGXXXA1C-V5 Important! Please read the AC Module System Installation Manual before installing, wiring, or using this product in any way. Failure to comply with these instructions may invalidate the Warranty. Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 2 AC Module System Installation Manual This AC Module System Installation Manual (“Manual”) may contain inaccuracies and/or typographical errors and may be changed or updated at any time by LG Electronics (“LGE”) without notice. Please read the Manual before installing, wiring, or using this Product in any way. Failure to comply with the instructions outlined in the Manual may void the Product’s limited warranty.

  • Page 3: Table Of Contents

    3-10 Building Blocks of an Array 3-11 Grounding 3-12 Connecting Array of AC Modules to Distribution Panel 3-13 Grid Voltage Measurement 3-14 Grid Frequency Measurement 3-15 Energizing the Installed AC Module System Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 4 5-5 Internet Connection Issues 5-6 Microinverter Operation Issues 5-7 Grid Voltage Measurement 5-8 Grid Frequency Measurement 6 Event List and Description 6-1 EnerBox2 Displays and Controls 6-2 Web Monitoring System Event List Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 5 Appendix 2 – Module Installation & Load Guide Appendix 3 – Alternative Equipment Grounding Devices Revisions Table Date Version Description of change Remark 2018.03. 19 First Release Installation Manual 2018.05.29 Deletion of ‘Proposition 65’ Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 6: Safety

    Equipment Grounding Conductor (EGC). Conductor connecting normally non– current carrying metal parts of equipment together. Grounding Electrode Conductor (GEC). Conductor connecting EGC and neutral conductor to the ground for grounding. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 7: Important Safety Instructions

    • For proper operation, make sure to use AC cables, connectors and accessories provided by LG Electronics. Parts that are not LG parts or parts that are supplied by LG may cause critical danger. • For proper operation, the AC module must be connected to a dedicated branch circuit.
  • Page 8 • When the photovoltaic array is exposed to light, it supplies a DC voltage to this equipment. • AC module arrays need to be connected only to a dedicated branch circuit. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 9: Fcc Guidelines

    This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. CAUTION: Regulations of the FCC and FAA prohibit airborne operation of radio-frequency wireless devices because their signals could interfere with critical aircraft instruments. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 10: Introduction

    AC Module System Installation Manual 2 Introduction The LG AC module consists of a DC module and a microinverter. Without any additional equipment, it converts the solar energy to AC power which can be consumed by electric appliances in a home or can be supplied to the utility.

  • Page 11: Installation

    3 Installation 3-1 Instructions before Installation • LG AC module is a “Grid Support Utility Interactive Inverter” , which requires approval from the corresponding authority prior to connection with the utility grid. Contact the applicable local government agencies and/or utility company.

  • Page 12: Checking The Installation Site

    Make sure that the installation structure has been set up to provide a flat surface. Unreliable structures may cause damage to the product during and/or after installation. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 13: Inspecting Components Of An Ac Module

    14. Female End Cap is for sealing a male connector. 15. Male End Cap is for sealing a female connector. 16. Unlocking Tool for handling male and female connectors. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 14: Inspecting Components Of Enerbox2

    AC modules. 2. Wi-Fi antenna is attached on the body of EnerBox2 for wireless connection of an EnerBox2 to a homeowner’s existing router. A router is not provided by LG Electronics. 3. EnerBox2 left-side provides many functions including reset, buttons, LEDs, etc.

  • Page 15: Wiring Diagram Of Ac Module System

    Distribution panel: Component of an electricity supply system which divides an electrical power feed into subsidiary circuits, while providing a protective fuse or circuit breaker for each circuit, in a common enclosure. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 16: Installing The Ac Junction Box And Pv Rack

    Design strength Refer to Appendix 2 – Module Installation & Load Guide Notes -LG AC module should not be operated in locations where direct contact to salt water or ammonia exists. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 17: Mounting The Ac Module

    To avoid the tensile strain from the thermal expansion, it is recommended to leave a space more than 6mm (0.236 inches) between AC modules frames. • Mount LG AC module to PV rack with 4~5N•m torque. • For reliable connection, make sure that the AC module frame and a PV rack are surely fastened enough to prevent the AC modules from getting loose.
  • Page 18 The AC module can be mounted by using clamps or fixing plates. Steps and procedures need to be carried out based on a manual provided by the clamp or fixing plate manufacturers. The type is evaluated by LG internal test, not tested by a Nationally-Recognized Testing Laboratory.
  • Page 19 • Peel the adhesive label attached on the side of AC module frame and attach the identification label on LG AC module Installation map. The map makes it easy for customers to identify the physical location of a particular AC module.
  • Page 20 All AC cable connectors must be installed underneath the module, out of rain and sun. Do not leave AC cable connectors in an environment of long-term exposure to direct sunlight or rain. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 21 Ensure that the microinverters are not interfered by the PV racks or ventilation structures. Do not allow any structure to put pressure on microinverters. Continuous stress or force might cause of malfunction. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 22: Coupling Ac Cable Connectors

    • The size of the cables are in accordance with NEC2014. (For the size, refer to Chapter 9. Product Specification) • For information about accessories, refer to Chapter 8. Accessories. • AC cable information can be found in Chapter 8 AC Module Accessories. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 23 AC cable connectors. • To prevent the danger of electric shock, make sure to turn off the circuit breaker before the installation. • Do not disconnect AC cable connectors under load. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 24: Building An Array Of Ac Modules

    • The AC module produced by LG Electronics is delivered with the microinverter pre-installed on the DC module. • Therefore, it eliminates installation steps for pairing DC module outputs and microinverter inputs.
  • Page 25 -AC cable connector and end cap include waterproof functions. • Make sure to use AC cables, extension cables and end caps provided by LG. If cables other than genuine are used, waterproofing may not be guaranteed and the permissible current of the cable may be lower than the output current of the microinverter.

  • Page 26: Building Blocks Of An Array

    Portrait in common <1000mm <300mm <39.37 inch <11.81 inch <50mm <50mm <1.95 inch <1.95 inch Portrait in reverse <50mm <50mm <1.95 inch <1.95 inch Landscape in common Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 27 C. Attach another AC cable on near PV racks. Location of mounting hole Cable Management Clip Location of grounding hole Mounting holes can be used for cable clip Landscape in common Portrait in reverse Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 28 AC module using an appropriate end cap. End caps can be found in an extension cable If AC junction box is on the left side of a 3-by-4 PV array in portrait orientation, Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 29 6mm (0.24 inch) and no more than 50mm (1.95 inch). Otherwise, the length of the AC cables is not enough for male and female connectors to be fully connected. <50mm <50mm <1.95 inch <1.95 inch Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 30 AC module using an appropriate end cap. End caps can be found in an extension cable. If AC junction box is on the left of a 2-by-6 PV array in portrait orientation, Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 31 AC module using an appropriate end cap. End caps can be found in an extension cable. If AC junction box is on the left of a 2-by-6 PV array in portrait orientation, Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 32 6mm (0.24 inch) to 50mm (1.95 inch). Otherwise, the length of the AC cables is not enough for male and female connectors to be fully connected. <50mm <50mm <1.95 inch <1.95 inch Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 33 6mm (0.24 inch) to 50mm (1.95 inch). Otherwise, the length of the AC cables is not enough for male and female connectors to be fully connected. <300mm <1000mm <11.81 inch <39.37 inch Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 34 Use the unlocking tool to remove end caps from connectors. Unlocking Tool Extension Cable If AC junction box is on the left side of a 2-by-6 PV array in portrait orientation, Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 35: Grounding

    Do not use bare-copper grounding lugs for grounding. The lugs can corrode which could result in a faulty ground circuit thereby posing risk for electric shock, electrocution or fire hazard. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 36 AC Module • LG AC module includes DC cables in the module’s internal wiring, so no grounding is required for DC input. • LG AC modules need to be grounded by using an external grounding equipment conductor. LG does not provide a grounding conductor.
  • Page 37 Those methods and devices are not tested by UL . • These alternative grounding devices indicated on the appendix have been evaluated and approved by LG, not by UL . • Please follow installation manual for the grounding devices provided by its manufacturer.

  • Page 38: Connecting Array Of Ac Modules To Distribution Panel

    To prevent the danger of electric shock, check again if the circuit breaker is turned off. • LG does not provide separate general AC wiring coming from the distribution panel to an AC junction box. • Undertake the Installation works using certified parts and tools.
  • Page 39 All AC cable connectors must be installed underneath the module, out of rain and sun. Do not leave AC cable connectors in an environment of long-term exposure to direct sunlight or rain. • AC wiring from the junction box to the distribution panel should be protected by a conduit. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 40 All of AC cable connectors must be installed underneath the module, out of rain and sun. Do not leave AC cable connectors in an environment of long-term exposure to direct sunlight or rain. • AC cables from the junction box to the distribution panel should be protected by a conduit. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 41 Step 4. Connect the equipment’s grounding conductor from all of the AC modules to the AC junction box by connecting to the distribution panel. Step 5. Make sure that a conduit protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 42 Step 4. Connect the equipment’s grounding conductor from all of the AC modules to the AC junction box by connecting to the distribution panel. Step 5. Make sure that a conduit protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 43 Connect the equipment’ s grounding conductor from all of the AC modules to the AC junction box by connecting to the distribution panel. Step 5. Make sure that a conduit protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 44 Connect the equipment’ s grounding conductor from all of the AC modules to the AC junction box by connecting to the distribution panel. Step 5. Make sure that a conduit protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 45: Grid Voltage Measurement

    • If installation location is high above ground, make sure to use Fall Protection System during installation. • For safety, only qualified personnel should perform the services. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 46: Grid Frequency Measurement

    • If installation location is high above ground, make sure to use Fall Protection System during installation. • For safety, only qualified personnel should perform the services. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 47: Energizing The Installed Ac Module System

    • If installation location is high above ground, make sure to use Fall Protection System during the installation. • For safety, only qualified personnel should perform the services. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 48: Communication

    • To avoid communication interference, do not connect the product to surge protector or surge protector-embedded power strips. • It is recommended the gateway is directly connected to a 120VAC outlet. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 49: Enerbox2 Components

    4-2 Simple Diagram for Communication System Configuration Internet Router LG EnerVu for Professionals or for Owners on a smart phone EnerBox2 LG EnerVu for Professionals or for Owners on a desktop or laptop Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 50: Enerbox2 Installation Procedure

    Step 8. Activate a System. EnerVu2 indicates a website (https://enervu.lg-solar.com), while LG EnerVu2 Professionals means program of mobile application. Search for the LG EnerVu Plus app in Google Play or Apple’s App Store. Rev. 1.0 Copyright © 2020 LG Electronics.
  • Page 51 Create an installer account using a mobile phone. A. Download the EnerVu Plus app in Google Play or in Apple’s App Store. B. Or you can sign up online at http://enervu.lg-solar.com/. If you have signed up before, please go to Step 2 directly.
  • Page 52 When you initiate the installed AC module system by turning the circuit breaker on inside the distribution panel, dummy fault alerts might be found on the web browser or mobile application. After the AC module system is in operation, the alerts will disappear. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 53 : 87654321 C. On your mobile phone, open the LG EnerVu2 Professionals app. Tap ‘Connect to an EnerBox’ . It will guide you directly to the ‘Dashboard’ . Then touch ‘Installed Number’ . D. Put the total number of AC modules in the blank then press save.
  • Page 54 F. Briefly press the AP button on EnerBox2 to deactivate the Soft AP mode. The ‘MOBILE / S-METER’ LED will turn off. Briefly press the AP button The LED is off Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 55 D. Select your home router’s SSID then type the password on the blank. E. The Internet LED should turn solid green. If it is not, try method B. Green on INTERNET LED Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 56 INTERNET LED will turn green. When this happens, the router’s WPS button needs to be pressed within a couple of minutes. Find solid green on INTERNET LED Press WPS button of a router. D. Go to Step 5. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 57 If DHCP service is not available, EnerVu Web server will not be accessible because IP address cannot be successfully assigned. Broadband router Ethernet cable AC power cable Find solid green on INTERNET LED Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 58 ‘Installation Map’. Make sure that the circuit breakers for branches where all of the installed AC modules are attached are turned on. Power production data will be refreshed within 30 min. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 59 Electronics AC Module System Installation Manual Step 6. Create a system Creating a system and registering the EnerBox2 is possible by using EnerVu2 (web application) or LG EnerVu2 Professionals (mobile application). • Using a laptop or a desktop Access and sign in to EnerVu2. URL: https://enervu.lg-solar.com...
  • Page 60 A. Turn Wi-Fi on in your mobile phone. Search for the SSID of the network connected with EnerBox2. B. Use your mobile phone to open the LG EnerVu2 Professionals app. Tap ‘Connect to an EnerBox’ and select the EnerBox2 serial number.
  • Page 61 After rotating an array, please adjust the position of the array then save the changes. It might be possible that the array after rotation is overlaid on another array. Array build step is only available on the website. Mobile application does not provide the tool for editing arrays. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 62 Once ‘ A ctivate’ button is pushed, the system will be locked in ‘ A ctivation Ready’ so that it is impossible to edit information. However, after the homeowner signs in to their LG account, the system will complete activation automatically.
  • Page 63 Power production production After sunset, there’s no power At least one microinverter has not produced power for over 72 hours. production. The Power Production LED will refresh every 15 min. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 64: Enervu2 Monitoring System (Installer Account)

    Note 1. Creating an installer account using a laptop. (LG EnerVu for Professionals) A. Sign up at the EnerVu2 URL: http://enervu.lg-solar.com/. If you have signed up before, please skip this step. Creating an account by using a mobile device is described in 4-3 EnerBox2 Installation procedure.
  • Page 65 Electronics AC Module System Installation Manual Note 2. LG EnerVu for Professionals A. Log in with ‘LG EnerVu for Professionals’ account. LG EnerVu for Professionals URL: http://enervu.lg-solar.com/ B. System map depicts a world map where a user easily finds each AC module system installed and registered by the user account.
  • Page 66 Electronics AC Module System Installation Manual Note 3. LG EnerVu for Professionals A. Select Activated system. A list of installed systems are on display with simple data. B. Click a system that you have created. C. The list can be easily obtained by clicking the excel icon. An excel file will be automatically generated to help the user stack data or report a list.
  • Page 67 Electronics AC Module System Installation Manual Note 4. LG EnerVu for Professionals A. Systems – Menu to view or create systems. Activated system – Energy harvest data can be monitored on daily, weekly, monthly or annual basis. This is only possible after installation of AC modules and a monitoring system is established.
  • Page 68 Electronics AC Module System Installation Manual Note 5. System’s Power Production Animation at LG EnerVu for Professionals A. Select ‘View’ – ‘ A rray’ button for a function showing: 1) amount of energy produced by each AC module within a set period, and 2) graphs showing produced power at a specific time.
  • Page 69 Electronics AC Module System Installation Manual Note 6. System’s Power Production Animation at LG EnerVu for Professionals A. Select ‘Graph’ . B. Click ‘Energy’ to see energy production (Wh) trend. Or select ‘Power’ to see power (W) that is generated at a specific time.
  • Page 70 ‘Power’ . H. Once you have changed the setting, please click on the ‘ A pply’ button again. Changes will be applied once you click the ‘ A pply’ button. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 71: Enervu2 Monitoring System (Homeowner Account)

    AC Module System Installation Manual 4-5 EnerVu2 Monitoring system (Homeowner account) Note 1. LG EnerVu for Owner A. Log in to ‘LG EnerVu for Owner’ account. LG EnerVu for owner URL : https://enervu.lg-solar.com B. The user has three options to choose from.
  • Page 72 Electronics AC Module System Installation Manual Note 2. LG EnerVu for Owner A. Select ‘Monitoring’ menu displayed on the left. B. Click ‘ A rray’ to see the virtual array that the installer has already set. C. The AC module system shows total energy production on each AC module depending on how you set the time period.

  • Page 73: Enervu2 Mobile Monitoring Application (Installer Account)

    Electronics AC Module System Installation Manual 4-6 EnerVu2 Mobile Monitoring Application (Installer account) Note 1. LG EnerVu mobile main page (LG EnerVu for Professionals) A. Connection method for EnerBox2 Site AP: connection using a router 3G/LTE: connection using 3G/LTE EnerBox AP: connection using Soft AP B.
  • Page 74 Electronics AC Module System Installation Manual Note 2. LG EnerVu mobile ‘Check Systems’ ( Installer account ) A. Touch ‘Check Systems’ B. The ‘ A lert’ tab allows installers to discover any system having alerts. The reported alerts can be used for troubleshooting.
  • Page 75 Electronics AC Module System Installation Manual Note 3 LG EnerVu mobile (Installer account) A. Touch ‘Settings’ B. You can check and download the latest app version update from your mobile. C. There is an option to choose a language that you want to set.

  • Page 76: Enervu2 Mobile Monitoring Application (Homeowner Account)

    AC Module System Installation Manual 4-7 EnerVu2 Mobile Monitoring Application (Homeowner account) Note 1. LG EnerVu mobile (LG EnerVu for Owner) A. Sign in with your user ID and password. B. A user can create an account with a mobile phone.
  • Page 77 Electronics AC Module System Installation Manual Note 2. LG EnerVu mobile (Homeowner account) A. Sign in with an ID and a password. B. The dashboard provides a brief description about solar energy generation produced by the installed AC module system. Weather conditions, night or daytime, and concise summary for energy production are demonstrated in this section.
  • Page 78 Electronics AC Module System Installation Manual Note 3. LG EnerVu mobile (Homeowner account) A. Touch ‘System Info’ . Variable tasks are available including changing system information, getting system data, adding a new member or requesting account transfer. B. If connection between EnerBox2 and EnerVu is not guaranteed, select ‘Network Setting Guide’ for trouble shooting.
  • Page 79 Policy’ and ‘LG Account’ . C. System Inquiry - Please contact the installer for inquiries about system and error occurrence. Homepage Inquiry - For inquiries about using the website, please contact LG Electronics. Rev. 1.0 Copyright © 2020 LG Electronics.

  • Page 80: Troubleshooting Guide

    EnerBox2. Four LEDs will be flashing in amber. When it is done, they will be flashing in green. Then, press the ‘RESET’ button for reboot. E. Please follow the other steps described in this manual. If problems persists, contact LG for technical support.

  • Page 81: Replacing An Enerbox2

    Replace function should be performed after physical installation in steps 1 - 3 above. If the newly installed EnerBox2 does not connect to the Internet, the Replace function cannot be executed because the EnerBox2 S/N verification has not been made. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 82 EnerBox2 • Scan Barcode Scan Barcode for EnerBox2 registration. Utilize your mobile phone camera to scan barcode placed on the bottom of the EnerBox2. • Enter Manually Enter S/N manually. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 83: Check The Plc Level

    In App: Tap on the ‘Dashboard’ for checking ‘PLC Level’ . Then check out the PLC level. In website: It is also possible to check the PLC level via website if the system has completed activation. Select [Manage -> EnerBox info -> View detail]. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 84: Microinverter Detection Issues

    LED off Red Blinking LED normal Abnormality case A, B A. Check that the solar panel is actually getting sunlight. If it persists continuously, contact LG Electronics. to replace the product. Abnormality case C A. Measure voltages. B. Measure frequencies.
  • Page 85 Select [Detected AC Module–Edit]. Then bring up the installation map where all of the MAC addresses are attached. Compare it with the list in the app. Find and delete the one which is not in the installation map. Then save it to be updated. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 86: Internet Connection Issues

    Issue: Internet LED is Solid Amber or Off EnerBox2 INTERNET status LED While LG Electronics provides technical support on EnerBox2, LG Electronics has no responsibility for a router which is made by another manufacturer. If a connection failure between the EnerBox2 and a router occurs, check first whether your laptop or mobile phone is connected to the Internet.
  • Page 87 4. For the IP setting, select Static and put the appropriate information on each space. When WLAN is already connected and you want to set static IP, terminate the WLAN connection then proceed with the steps from the start. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 88: Microinverter Operation Issues

    To prevent the risk of accidents, use proper PPE (Personal Protective Equipment) including helmets, eye protection and gloves at all times. • If installation location is high above ground, make sure to use the Fall Protection System during the installation. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 89 LED off LED off abnormal A Red Blinking LED LED off abnormal B LED Status Red Blinking LED Red Blinking LED abnormal C LED off Red Blinking LED normal Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 90 Electronics AC Module System Installation Manual Abnormality case A, B A. Check that the solar panel is actually getting sunlight. If the problem persists continuously, contact LG Electronics. to replace the product. Abnormality case C A. Measure voltages described in the 5-7 Grid Voltage Measurement.

  • Page 91: Grid Voltage Measurement

    • If installation location is high above ground, make sure to use Fall Protection System during the installation. • For safety, only qualified personnel should undertake the work. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 92: Grid Frequency Measurement

    • If installation location is high above ground, make sure to use Fall Protection System during the installation. • For safety, only qualified personnel should undertake the work. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 93: Event List And Description

    RESET EnerBox2 rebooting button It takes about 30 seconds Factory Factory-installed reset button long press (for 3 seconds): Reset Initializing to factory default state. (rear) Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 94 Flashing Green Average power is above 60W production (Front) Flashing Yellow Average power is below 60W At least one Microinverter does not produce power over 72 hours No power production Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 95: Web Monitoring System Event List

    NOTICE. Vac Status the utility has been AC Voltage MI_VAC_UND Notice Vac Status 11: Vac Under (Notice lower than allowed. This #2 - AC Volatage Low ) condition should correct itself. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 96 If this Status (Error#7 - DC Voltage condition does happen during Too Low) hours of full daylight, the AC Module may be heavily shaded or covered by snow. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 97: Maintenance

    To prevent a risk of burn, do not touch the metal part of the AC module in operation with bare hands. • To prevent the risk of arcing, do not disconnect the cable connector in operation. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 98: Accessories

    LAC-UNLOCK2.AU1 Tool connector • Accessories are not included in the AC module. Contact the distributor for purchase. • Use the unlocking tool to remove end caps from the extension cable. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 99 - Used for mounting - Used for mounting the Ener- the EnerBox2 on wall. Box2 on wall. • Accessories are not included in the AC module. Contact the distributor for purchase. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 100: Product Specifications

    If it got tripped by other reasons or it is connected with the utility after sunrise, it takes about 1 min for the AC module to operate. 1) Refer to 3-12 Connecting Array of AC Modules to Distribution Panel regarding Maximum number of AC Modules. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.
  • Page 101 -40 to 90 °C (-40 to 194 °F) Length 1700mm Width 1016mm Height 40mm AC Module Weight 20.0kg Cable length (male) 1100mm Cable length (female) 1200mm Dimensions ( LGXXXA1C-A5 ) Unit: mm / in. Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 102: Ac Cables

    600V AC Temperature Range -40 to 85 °C (-40 to 185 °F) Rated Current Protection Degree IP68 Wire Size Range 3C 12 AWG ø 11 mm Diameter Range of Cable Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 103: Enerbox2

    0 to 60 °C ( 32 to 140 °F) Enclosure Rating IP30 Certifications and Warranty FCC Part 15 Class B ETL (Conforms to UL Std. Certifications 60950-1) Limited Warranty 5 years Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 104: Warranty

    LG with any questions or concerns prior to installation. • By installing an LG Solar module, the installer is fully agreeing not to sue LG, its affiliated companies, successors, or assigns, its administrators, directors, agents, officers, volunteers and...

  • Page 105: Appendix 1 -Ac Module Installation Map

    Electronics AC Module System Installation Manual Appendix 1 –AC module Installation Map Rev. 1.0 Copyright © 2020 LG Electronics. All Rights Reserved.

  • Page 106: Appendix 2 - Module Installation & Load Guide

    Rear: 5400Pa(113psf) (33.2±3.9 in) Note) All mechanical installation method(Fig. 1 to Fig. 6) in this appendix were not tested by UL. (UL 1703, ULC 1703). It is evaluated by an LG internal test. Rev. 1.0 Copyright © 2020 LG Electronics.

  • Page 107: Appendix 3 - Alternative Equipment Grounding Devices

    Installation manual and listed manufacturer’s installation guide. These alternative grounding devices indicated on this page have been evaluated and approved by LG, not by UL. If such devices are to be used to meet the requirement in UL 1703, additional adequate tests shall be conducted in accordance with UL1703 additionally.
  • Page 108 Email: lg.environmental@lge.com http://www.lgsolarusa.com This document is subject to change without notice. LG, LG logo and Life's Good are trademarks of LG Electronics, Inc. worldwide. Trademarks and intellectual properties of LG Electronics, Inc. are protected by international copyright laws. Document : II-AC-UL-V1-EN-201803 Rev.

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