LG A1C-A5 Series Installation Manual
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LG A1C-A5 Series Installation Manual

Ac module system
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AC Module System
Installation Manual
LGXXXA1C-A5
Important!
Please read AC Module System Installation Manual before installing, wiring, or using this
product in any way. Failure to comply with these instructions will invalidate Warranty.
Copyright © 2017 LG Electronics.
1
All Rights Reserved.

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  • Page 1 AC Module System Installation Manual LGXXXA1C-A5 Important! Please read AC Module System Installation Manual before installing, wiring, or using this product in any way. Failure to comply with these instructions will invalidate Warranty. Copyright © 2017 LG Electronics. All Rights Reserved.

  • Page 2: 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 Energize the Installed AC Module System Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 3 5-5 Internet Connection Issues 5-6 Micro Inverter Operation Issues 5-7 Grid Voltage Measurement 5-8 Grid Frequency Measurement Event List and Description 6-1 EnerBox2 Displays and Controls 6-2 Web-monitoring System Event List Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 4 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’ Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 5: 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 6: Important Safety Instructions

    • Micro inverter warranty is void if cover removed. No serviceable parts inside. Refer to qualified personnel for service. • For proper operation, make sure to use AC cables, connectors and accessories provided by LG Electronics. Parts that are not listed may cause critical danger.
  • Page 7 • 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 8: Fcc Guideline

    CAUTION: Regulations of the FCC and FAA prohibit airborne operation of radio-frequency wireless devices because their signals could interfere with critical aircraft instruments. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 9: Introduction

    AC Module System Installation Manual 2 Introduction LG AC module consists of a DC module and a micro inverter. Without an 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 10: Installation

    • Consult with LG Electronics for the approval of installation methods which are not specified in the installation manual, but are going to be applied. Failure to comply will void the warranty and the module certificate.

  • Page 11: Checking The Install 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 12: Inspecting Components Of An Ac Module

    14. Female End Cap ⑫ is for sealing a male connector. 15. Male End Cap is for sealing a female connector. ⑮ ⑭ 16. Unlocking Tool for handling male and female connectors. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 13: Inspecting Components Of An Enerbox2

    EnerBox2 bottom-side 8. Wall mount bracket screws hold the wall mount bracket on a wall. ⑧ ⑥ ⑦ ⑤ LAN cable Wall mount bracket screws Wall mount bracket EnerBox2 power cable Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 14: 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 Copyright © 2017 LG Electronics. Rev. 1.0...

  • Page 15: 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 16: 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 17 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 manufactures. The type is evaluated by LG internal test, not tested by UL.
  • Page 18 AC modules one by one. • 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 19 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 20 Ensure that the micro inverters are not interfered by the PV racks, ventilation structures. Do not allow any structure to pressure on micro inverters. Continuous stress or force might be a cause of malfunction. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 21: Coupling Ac Cable Connectors

    When temperature is warm and you are about to engage two connectors, you might not hear two clicks. So in that case, engage connectors until there is no space (no gap) between connectors. Copyright © 2017 LG Electronics. Rev. 1.0...
  • Page 22 AC cable connectors. • To prevent the danger of the electric shock, make sure to turn off the circuit breaker before the installation. • Do not disconnect AC cable connectors under load. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 23: Building An Array Of Ac Modules

    Because male connector is designed to be connected with a female connector or female end cap, there is a need to keep track of the positions of male and female connectors when you build an array. • The AC module produced by LG Electronics is delivered after completing the electrical connection between DC module and a micro inverter. •...
  • Page 24 -AC cable connector and end cap include waterproof functions. • Make sure to use AC cables, extension cables and end caps provided by LG. If other cables other than genuine are used, waterproof may not be guarantee d and the permissible current of the cable may be lower than the output current of the micro inverter.

  • Page 25: Building Blocks Of An Array

    Portrait in common <300mm <1000mm <11.81 inch <39.37 inch <50mm <50mm <1.95 inch <1.95 inch Portrait in reverse <50mm <50mm <1.95 inch <1.95 inch Landscape in common Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 26 C. Attach another AC cable on near PV racks. Location of mounting hole Cable tie Location of grounding hole Mounting holes can be used for cable tie Landscape in common Portrait in reverse Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 27 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 3-by-4 PV array in portrait orientation, Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 28 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 Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 29 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, Copyright © 2017 LG Electronics. Rev. 1.0 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, Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 31 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 Copyright © 2017 LG Electronics. Rev. 1.0 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. <300mm <1000mm <11.81 inch <39.37 inch Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 33 So apply unlocking tool to remove end caps from connectors. Extension Cable Unlocking Tool If AC junction box is on the left of a 2-by-6 PV array in portrait orientation, Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 34: 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 35 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 36 Those methods and devices are not tested by UL. • • These alternative grounding devices indicated on the appendix has been evaluated and approved by LG, not by UL. • Please follow installation manual for the grounding devices provided by its manufacturer.

  • Page 37: Connecting Array Of Ac Modules To Distribution Panel

    To prevent the danger of electric shock, check again if the circuit breaker is surely turned off. • LG does not provide separate general AC cables coming from the distribution panel to an AC junction box. • Process the Installation works using certified parts and tools.
  • Page 38 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 39 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 40 Step 5. Make sure that a conduit or a small pipe protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 41 Step 5. Make sure that a conduit or a small pipe protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 42 Step 5. Make sure that a conduit or a small pipe protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 43 Step 5. Make sure that a conduit or a small pipe protects wires from the AC junction box to the distribution panel from rain, snow or direct sunlight. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 44: 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 service the work. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 45: 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 service the work. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 46: Energize 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 service the work. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 47: Communication

    • To avoid communication interference, do not connect the product to surge protector, surge protector-embedded power strips. • It is recommended the gateway is directly connected to a 120VAC outlet. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 48: Enerbox2 Components

    6. Wall mount bracket 5. LAN cable 4. EnerBox2 Power-cable 4-2 Simple Diagram for Communication System Configuration Internet Router LG EnerVu for Professionals or for Owner on a smart phone EnerBox2 LG EnerVu for Professionals or for Owner on a desktop or laptop Copyright ©...

  • Page 49: Installing Enerbox2

    Step 7. Design the Array in EnerVu2. Step 8. Activate a System. ※ EnerVu2 indicates a website(https://enervu.lg-solar.com), while LG EnerVu2 Professionals mean a program of mobile application. Search for the LG EnerVu2 in Google Play. Copyright © 2017 LG Electronics. Rev. 1.0...
  • Page 50 Create an installer account using a mobile phone. Use ‘Google Play store’ to search for ‘enervu2’. Access and sign up into the EnerVu2 URL : http://enervu.lg-solar.com/. If you have signed up before, please go for Step 2 directly. If you generate a password through a link sent to your email, your subscription is complete.
  • Page 51 When 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 on operation, the alerts will be disappeared. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 52 EnerBox2 SSID password : 87654321 Control your mobile phone to get the LG EnerVu2 Professionals shown up. Tap ‘Connect to an EnerBox’. It will guide you directly to the ‘Dashboard’. Then touch ‘Installed Number’. Put the total number of AC modules in the blank then touch the save button.
  • Page 53 : Excellent PLC level Briefly press the AP button on EnerBox2 to deactivate the Soft AP mode. The ‘MOBILE / S-METER’ LED is off. Briefly press the AP button The LED is off Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 54 D. Select your home router’s SSID then put the password on the blank. Home router SSID E. Find solid green on INTERNET LED. If it is not, try method B. Green on INTERNET LED Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 55 INTERNET LED will turn green. At this time, WPS button of the router needs to be pressed in a couple of minutes. Find solid green on INTERNET LED Press WPS button of a router. D. Go to Step 5. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 56 If DHCP service is not available, EnerVu Web server will not be accessible because IP address cannot be assigned. Broadband router Ethernet cable AC power cable Find solid green on INTERNET LED Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 57 ※ Make sure that the circuit breakers for branches where all of installed AC modules are attached are surely turned on. ※ Power production data will be refreshed in 30 min at maximum. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 58 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 the EnerVu2. URL : https://enervu.lg-solar.com...
  • Page 59 Turn Wi-Fi on in your mobile phone. Search for the SSID of the network connected with EnerBox2. Control your mobile phone to get the LG EnerVu2 Professionals shown up. Tap ‘Connect to an EnerBox’ and select the EnerBox2 serial number.
  • Page 60 ※ Array build step is only available on the website. Mobile application does not provide the tool for editing arrays. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 61 Step 8. Activate a System A. Finally, press ‘Activate’ on right-side button at Activation Checklist. After homeowner signs in to LG account with an invitation email, the system will be in completion of activation automatically. B. Then, the installer and home owner can monitor the installed system to check out energy harvest.
  • Page 62 At least one Micro Inverter does After sunset, no power not produce power over 72 hours production . • The Power production LED will be refreshed at every 15 min. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 63: Enervu2 Monitoring System ( Installer Account )

    Note 1. Creating an installer account using a laptop. (LG EnerVu for Professionals) Access and sign up into 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 is described in 4-3 EnerBox2 Installation procedure.
  • Page 64 AC Module System Installation Manual Note 2. LG EnerVu for Professionals Log in with ‘LG EnerVu for Professionals’ account. LG EnerVu for Professionals URL : http://enervu.lg-solar.com/ System map depicts a world map where a user easily finds each AC module system installed and registered by the user account.
  • Page 65 AC Module System Installation Manual Note 3. LG EnerVu for Professionals Get into Activated system. A list of installed systems are on display with simple data. Click a system that you have created. The list can be easily fetched by just clicking the excel icon. An excel file will be automatically generated for helping user stack data or report a list.
  • Page 66 AC Module System Installation Manual Note 4. LG EnerVu for Professionals Systems – Menu to view or create systems Activated system – Energy harvest data can be monitored on daily, weekly, monthly or annual basis. It is only possible after installation of AC modules and a monitoring system is finished.
  • Page 67 AC Module System Installation Manual Note 5. System’s Power Production Animation at LG EnerVu for Professionals Go for ‘View’ – ‘Array’ button for a function showing 1) amount of energy produced by each AC module within a set period, 2) graphs showing produced power at a specific time.
  • Page 68 AC Module System Installation Manual Note 6. System’s Power Production Animation at LG EnerVu for Professionals Go for ‘Graph’. Click ‘Energy’ to see energy production (Wh) trend. Or go for ‘Power’ to see power (W) that is generated at a specific time instance.
  • Page 69 Detailed information can be found only at ‘Power’. Once you have changed setting, please click onto ‘Apply’ button again. Changes will be applied once you click ‘Apply’ button. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 70: Enervu2 Monitoring System ( Homeowner Account )

    AC Module System Installation Manual 4-5 EnerVu2 Monitoring system ( Homeowner account ) Note 1. LG EnerVu for Owner Log in with ‘LG EnerVu for Owner’ account. LG EnerVu for owner URL : https://enervu.lg-solar.com The user can have three options to choose.
  • Page 71 AC Module System Installation Manual Note 2. LG EnerVu for Owner Go for ‘Monitoring’ menu displayed on the left. Click ‘Array’ to see the virtual array that the installer has already set. The AC module system shows total energy production on each AC module depending on how you set the time period Click ‘Graph’...

  • Page 72: Enervu2 Mobile Monitoring Application( Installer Account )

    AC Module System Installation Manual 4-6 EnerVu2 Mobile Monitoring Application( Installer account ) Note 1. LG EnerVu mobile main page (LG EnerVu for Professionals) Connection method for EnerBox2 - Site AP : connection using a router - 3G/LTE : connection using 3G/LTE - EnerBox AP : connection using Soft AP Notices ( “ⓝ”...
  • Page 73 AC Module System Installation Manual Note 2. LG EnerVu mobile ‘Check Systems’ ( Installer account ) Touch ‘Check Systems’ The ‘Alert’ tap allows installers to discover any system having alerts. The reported alerts can be used for trouble shooting. Specific information can be found if you touch a particular system that you want to investigate.
  • Page 74 AC Module System Installation Manual Note 3 LG EnerVu mobile ( Installer account ) Touch ‘Settings’ You can check and download the latest firmware version update from your mobile. There is an option to choose a language that you want to set.

  • Page 75: 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) Sign in with a user ID and a password. A user can create an account with a mobile phone.
  • Page 76 AC Module System Installation Manual Note 2. LG EnerVu mobile ( Homeowner account ) After signing in with an ID and a password. Dashboard provides brief description about solar energy generation produced by the installed AC module system. Weather conditions, night or daytime, concise summary for energy production are demonstrated in this section.
  • Page 77 AC Module System Installation Manual Note 3. LG EnerVu mobile ( Homeowner account ) Touch ‘System Info’. Variable jobs are available including changing system information, getting system data, adding a new member or requesting account transfer. If connection between EnerBox2 and EnerVu is not guaranteed, get ‘Network Setting Guide’ for trouble shooting.
  • Page 78 Use’, ‘Privacy Policy’ and ‘LG Account’. 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.. Copyright © 2017 LG Electronics. Rev. 1.0...

  • Page 79: Trouble Shooting 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 other steps described in this manual. If problems persists, contact LG for technical support. EnerBox2 left-side...

  • Page 80: 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 81 AC Module System Installation Manual  Using LG EnerVu2 Professionals You can find ‘Reboot’ button by going for [Check Systems -> Activated -> Select a system -> EnerBox]. The button is placed on the right. When you press the ‘Replace’ button, you will see three ways to enter the new EnerBox2 S/N as shown below.

  • Page 82: Check The Plc Level

    In website : It is also possible to check PLC level via website if the system is in completion of activation. Go for [Manage -> EnerBox info -> View detail]. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 83: Micro Inverter Detection Issues

    C LED off Red Blinking LED normal Abnormality case A,B Check that the solar panel is actually getting sunlight. If it persists continuously, contact LG Electronics to replace the product. Abnormality case C Measure voltages. Measure frequencies. Measure ambient temperature and check if it is in the range of -40 – 65 °C (-40 – 145 ℉).
  • Page 84  Go for [Detected AC Module–Edit]. Then the bring the installation map where all of MAC address is attached. Compare it with the list in the app. Find and delete one which is not in the installation map. Then save it for update. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 85: Internet Connection Issues

    Issue: Internet LED is Solid Amber or Off EnerBox2 INTERNET status LED While LG Electronics provide technical support on EnerBox2, LG Electronics has no responsibility on a router which is made by other manufacturer. If connection failure between the EnerBox2 and a router is occurred, check whether your laptop or mobile phone has no problem to use internet access at first.
  • Page 86 4. In 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 WLAN connection then proceed the steps from the start. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 87: Micro Inverter Operation Issues

    To prevent the risk of accidents, use proper PPE (Personnel Protective Equipment) including helmets and globes at all times. • If installation location is high above ground, make sure to use Fall Protection System during the installation. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 88 (5 min. after grid connection) 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 Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 89 LED off Red Blinking LED normal Abnormality case A,B Check that the solar panel is actually getting sunlight. If it persists continuously, contact LG Electronics to replace the product. Abnormality case C Measure voltages described in 5-7 Grid Voltage Measurement.

  • Page 90: 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 service the work. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 91: 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 service the work. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 92: Event List And Description

    RESET EnerBox2 rebooting button It takes about 30 seconds Factory Factory-installed reset button Reset long press( for 3 seconds) : Initializing to factory (rear) default state. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 93 Average power is above 60W Power Flashing Yellow Average power is below 60W production (Front) At least one Micro Inverter does not produce power over 72 hours No power production Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 94: Web-Monitoring System Event List

    AC Voltage coming from the utilit 1 : Vac Under (Notice y has been too low than allowed. MI_VAC_UND Notice AC Voltage Low Vac Status #2 - AC Volatage Low This condition should correct itsel Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 95 DC Voltage Low Vpv Status #7 - DC Voltage Too L s condition does clear during hou rs of full daylight, the AC Module may be heavily shaded or covered by snow. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 96: 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 overvoltage, do not disconnect the cable connector in operation. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 97: Accessories

    - Used in the disassembly of the LAC-UNLOCK2.AU1 Tool connector • Accessories are not included in AC module. Contact the distributor for purchase. • Use unlocking tool to get end caps from the extension cable. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 98 - Used in a case of wired LAN. - Used for - Used for mounting the mounting the EnerBox2 on EnerBox2 on wall. wall. • Accessories are not included in AC module. Contact the distributor for purchase. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 99: 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. Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 100 Height 40mm AC Module Weight 20.0kg Cable length (male) 1100mm Cable length (female) 1200mm Dimensions ( LGXXXA1C-A5 ) Unit: mm / in. Cross-sectional Drawings Short Side Frame Long Side Frame Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 101: Ac Cables

    Rated Voltage 600V AC Temperature Range -40 ~ 85 °C (-40 ~ 185 ℉) Rated Current Protection Degree IP68 Wire Size Range 3C 12AWG Diameter range of cable ø 11 mm Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 102: Enerbox2

    0 ~ 60 °C ( 32 ~ 140 °F) Enclosure Rating IP30 Certifications and Warranty FCC Part 15 Class B Certifications ETL (Conforms to UL Std. 60950-1) Limited Warranty 5 years Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.

  • Page 103: Warranty

    LG its affiliated companies, successors, or assigns, its administrators, directors, agents, officers, volunteer and employees.
  • Page 104 AC Module System Installation Manual Copyright © 2017 LG Electronics. Rev. 1.0 All Rights Reserved.
  • Page 105 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 LG internal test. Copyright © 2017 LG Electronics. Rev. 1.0...
  • Page 106 Install manual and listed manufacture’s installation guide. These alternative grounding devices indicated on this page has been evaluated and approved by LG, not by UL. If such devices want to be used to meet the requirement in UL 1703, some adequate tests shall be conducted in accordance with UL1703 additionally.
  • Page 107 Contact : lg.solar@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 Copyright ©...

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