EG4 6500 User Manual
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EG4 6500 User Manual

Solar inverter/charger 6.5kva 120v ac
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EG4 Electronics
www.eg4electronics.com
6500 EX-48
6.5KVA 120V AC
Version 2.0.0 - August 2022
1

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Charles mills
June 24, 2025

where is the 10 amp fuse located on the EG4 6500watt inverter

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Summary of Contents for EG4 6500

  • Page 1 EG4 Electronics www.eg4electronics.com 6500 EX-48 6.5KVA 120V AC Version 2.0.0 - August 2022...

  • Page 2: Table Of Contents

    Preparation & Installation • Unpacking and Inspection • Mounting the Inverter • Battery Connection • BMS Communications • EG4 Battery Communications and Configuration ○ AC Input and Output Connections ○ PV Connections • Parallel Inverter Connections • Remote Display •...

  • Page 3: About This Manual

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com ABOUT THIS MANUAL Purpose This manual describes installation, commissioning, operation, and troubleshooting. Please read the manual fully and carefully before installing and operating. Keep this manual for future use. Scope This manual provides basic safety and installation guidelines as well as information on tools and wiring.

  • Page 4: Introduction

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com INTRODUCTION This is a residential self consumption multi-function inverter, combining the functions of an inverter, solar controller, and battery charger to offer uninterrupted power support in a single package. The comprehensive LCD display offers user-configurable and easily-accessible button operations such as battery charging current, AC or solar charging priority, and acceptable input voltage based on different applications.

  • Page 5: Product Overview

    Product Overview Installation Note: The EG4 6.5KW unit is a parallel capable model. For parallel 120V, 240V Split-phase, or 3-phase installation diagrams and instructions, please check the Parallel Connections and Commissioning sections of the manual for further details.

  • Page 6: Specifications

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com SPECIFICATIONS Table 1 Line Mode Specifications MODEL 6.5KW Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 120Vac 90Vac±7V (UPS) Low Loss Voltage 80Vac±7V (Appliances) 100Vac±7V (UPS); Low Loss Return Voltage 90Vac±7V (Appliances) High Loss Voltage 140Vac±7V...
  • Page 7 EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Table 2 Inverter Mode Specifications MODEL 6.5KW Rated Output Power 6,500W Output Voltage Waveform Pure Sine Wave <3% THD Output Voltage Regulation 120Vac±5% Output Frequency 60Hz or 50Hz Peak Efficiency Overload Protection 100ms@≥205% load;5s@≥150% load; 10s@110%~150% load...
  • Page 8 EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Table 3 Charge Mode Specifications Utility Charging Mode MODEL 6.5KW Charging Current (UPS) 120A @ Nominal Input Voltage Flooded 58.4Vdc Battery Bulk Charging Voltage AGM / Gel 56.4Vdc Battery Floating Charging Voltage 54.0Vdc Overcharge Protection 66.0Vdc...

  • Page 9: Dry Contact Relay

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Table 4 General Specifications MODEL 6.5KW Safety Certification UL 1741 Certificate by TUV Operating Temperature Range -10°C to 40°C Storage temperature -15°C~ 60°C Humidity 5% to 95% Relative Humidity (Non-condensing) Dimension 58.03in x 170.2in x 226.6in (244.3in) (with extension box)

  • Page 10: Unpacking And Inspection

    Note: Installation of the battery wiring extension box is necessary for UL conformity. If UL conformity is not required in your region, it is sufficient to only install the cable glands (Graphic 2) shown below. Fig.1 6500 with Extension Box Fig.2 6500 without Extension Box...

  • Page 11: Mounting The Inverter

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Before connecting all wirings, please take off bottom cover by removing the five screws. When removing the bottom cover, be carefully to remove three cables as shown below. Mounting the Inverter Consider the following points before selecting an install location: Do not mount the inverter on flammable materials.

  • Page 12: Battery Connection

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Battery Connection CAUTION: For safe operation and regulation compliance, DC overcurrent protection and means of disconnect should be installed between the battery and inverter. In many cases individual battery units will come with breakers, however overcurrent and disconnecting means should be added for banks of multiple batteries.

  • Page 13: Bms Communications

    EG4 Electronics www.eg4electronics.com BMS Communication Installation- EG4-LL 1. Introduction When connecting to LFP battery, it is recommended to purchase a custom-made RJ45 communication cable. Please check with your dealer or integrator for details. This custom-made RJ45 communication cable delivers information and signal between lithium battery and the inverter.

  • Page 14: Eg4 Battery Communications And Configuration

    EG4 Electronics www.eg4electronics.com Battery Networking- EG4-LL Using the 1ft RS485 cable interconnect your batteries as illustrated in the diagram below.
  • Page 15 EG4 Electronics www.eg4electronics.com Battery Networking-LiFePower4 Using the 1ft RS485 cable interconnect your batteries as illustrated in the diagram below.
  • Page 16 NOTE: For EG4-LL ensure the red power switch is set to "ON" as well as the breaker. NOTE: Even with the EG4 batteries having built-in breakers, a minimum 150A in line breaker is required, and a 200A in line breaker is recommended.

  • Page 17: Ac Input And Output Connections

    EG4 Electronics www.eg4electronics.com AC Input/Output Connections CAUTION!! Install a breaker at the source of the AC input power source per requirements of authority having jurisdiction. Ensure the AC source circuit is properly rated for the inverter/charger load specification. CAUTION!! There are two terminal blocks with “IN” and “OUT” markings. Do NOT reverse the input and output connections.
  • Page 18 EG4 Electronics www.eg4electronics.com 5. Connect the AC output wires according to labels printed on the case above the terminal blocks. Connect the ground wire first ( Ground (Green or Green with Yellow stripe) L→LINE (Black for Line 1)(Red for Line 2 in 120/240 split-phase configuration) N→Neutral (White or Gray)

  • Page 19: Pv Connections

    EG4 Electronics www.eg4electronics.com PV Connections CAUTION: Before connecting PV modules/strings, install separate DC circuit breakers or a means of disconnect paired with properly sized fuses between inverter and PV array/s. DO NOT work with or connect live PV conductors to the unit. Ensure all exposed conductors are safely disconnected from the power source.

  • Page 20: Parallel Inverter Connections

    EG4 Electronics EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com Parallel Inverter Connections 1. Introduction This model of inverter is a 120V Single-phase unit able to operate in parallel with multiple other units. The parallel function can be used to support multiple electrical system types, including multi-inverter Single-phase, 240 Split-phase, or 3-phase.
  • Page 21 EG4 Electronics EG4 Electronics EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com Parallel Connections for 120V Single-phase Continued: Communication Connection • Inverter 1 Port A → Inverter 2 Port A • Inverter 1 Port B → Inverter 3 Port B •...
  • Page 22 EG4 Electronics EG4 Electronics EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com 3. Parallel Connections for 240V Split-phase: WARNING: Consult a qualified electrician before installing inverter/chargers on lines/legs Line 2 Line 1 in an unbalanced configuration. Unbalanced lines/legs can lead to equipment damage and loss of efficiency.
  • Page 23 EG4 Electronics EG4 Electronics EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com www.eg4electronics.com Parallel Connections for 240V Split-phase Continued: Line 2 Line 2 Line 2 Line 1 Line 1 Line 1 Communication Connection Line 2 Line 1 • Inverter 4 Port A → Inverter 5 Port A •...
  • Page 24 EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Parallel Connections for 3-phase Continued: Line 1 Line 1 Line 2 Line 3 Communication Connection Line 1 Line 1 Line 2 Line 3 • Inverter 1 Port A → Inverter 2 Port A • Inverter 1 Port B → Inverter 2 Port B...
  • Page 25 EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Parallel Connections for 3-phase Continued: Line 1 Line 1 Line 2 Line 2 Line 3 Communication Connection Line 2 Line 1 Line 3 • Inverter 1 Port A → Inverter 2 Port A • Inverter 3 Port A → Inverter 4 Port A •...
  • Page 26 EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Parallel Connections for 3-phase Continued: Line 2 Line 3 Line 1 Line 1 Line 1 Line 1 Communication Connection Line 1 Line 2 Line 3 • Inverter 1 Port A → Inverter 2 Port A •...

  • Page 27: Remote Display

    EG4 Electronics www.eg4electronics.com Final Assembly After completing the wiring process, slide the front cover part way back on, then re-connect the three front cover cables (fig. 1). Finish by sliding the front cover all the way back on and securing the screws.
  • Page 28 EG4 Electronics www.eg4electronics.com Step 2. Prepare the mounting location using the holes on the back of the display for reference. For a transferable template, use a piece of paper pressed against the back of the display and mark with a pen or make small holes in the paper.

  • Page 29: Operating The Inverter/Charger

    EG4 Electronics www.eg4electronics.com OPERATING THE INVERTER/CHARGER Power ON/OFF After completing installation of the unit it is ready for powering on for setup. Start by pressing the On/ Off switch (located on the display panel) to turn on the unit. Inverter Start-Up After the inverter is turned on, the WELCOME light show will be started with RGB LED bar.
  • Page 30 EG4 Electronics www.eg4electronics.com Function Keys Function Key Description Exit the setting USB function setting Select USB OTG functions Timer setting for the Output source Setup the timer for prioritizing the output source priority Timer setting for the Charger source Setup the timer for prioritizing the charger source...
  • Page 31 EG4 Electronics www.eg4electronics.com Status Battery voltage LCD Display <2V/cell 4 bars will flash in turns. Bottom bar will be on and the other three bars Constant 2 ~ 2.083V/cell will flash in turns. Current mode / Bottom two bars will be on and the other two 2.083 ~ 2.167V/cell...
  • Page 32 EG4 Electronics www.eg4electronics.com Display Screens Display information can be cycled through by pressing the “UP” or “DOWN” buttons from the main screen. The screen options are shown in the order in the table below. Selectable information LCD display Input voltage=120V, output voltage=120V...
  • Page 33 EG4 Electronics www.eg4electronics.com PV1 power = 500W PV power PV2 power = 500W AC and PV charging current=50A PV charging current=50A Charging current AC charging current=50A...
  • Page 34 EG4 Electronics www.eg4electronics.com AC and PV charging power=500W PV charging power=500W Charging power AC charging power=500W Battery voltage=55.5V, output voltage=120V Battery voltage and output voltage Output frequency=60Hz Output frequency Load percent=70% Load percentage...
  • Page 35 EG4 Electronics www.eg4electronics.com When connected load is lower than 1kVA, load in VA will display xxxVA like below chart. Load in VA When load is larger than 1kVA (≧1KVA), load in VA will present x.xkVA like below chart. When load is lower than 1kW, load in W will display xxxW like below chart.
  • Page 36 EG4 Electronics www.eg4electronics.com Production = 388kWh, Consumption = 950kWh. Example of PV production for a month and consumption of energy for a month. Production = 3.88MWh Consumption = 9.50MWh. Example of PV production for a year and consumption of energy for a year.

  • Page 37: Operating Modes

    EG4 Electronics www.eg4electronics.com Secondary CPU version 00012.03. Secondary CPU version checking. Wi-Fi version 00000.24. Wi-Fi version checking. Operating Modes Operation mode Description LCD display Charging by utility and PV energy. Charging by utility. Standby mode No output is supplied by the...
  • Page 38 EG4 Electronics www.eg4electronics.com Operation mode Description LCD display Fault mode Note: Not charging. System is not charging, *Fault mode: Errors are regardless of PV and grid/AC caused by inside circuit error power in being available. or external reasons such as over temperature, output short circuit and so on.
  • Page 39 EG4 Electronics www.eg4electronics.com Operation mode Description LCD display Power from battery and PV energy. PV energy will supply power to the loads and charge battery at the same time. No utility is available. The unit will provide output Battery Mode power from battery and/or PV power.

  • Page 40: System Settings

    EG4 Electronics www.eg4electronics.com System Settings General Setting ” button for 3 seconds, the unit will enter the Settings Menu. After pressing and holding “ Press “ ” button to select setting programs. ” or “ Press “ ” button to confirm you selection or “...
  • Page 41 If “User-Defined” is selected, battery charge voltage and low DC cut-off voltage can be set up in program 26, 27 and 29. If using EG4 batteries you will use this battery type for BMS communications. If this Battery type battery type is selected settings 2,26, 27 will be configured by the BMS.
  • Page 42 EG4 Electronics www.eg4electronics.com Restart disable (default) Restart enable Auto restart when overload occurs Restart disable (default) Restart enable Auto restart when over temperature occurs 50Hz 60Hz (default) Output frequency 110V 120V (default) Output voltage 127V...
  • Page 43 EG4 Electronics www.eg4electronics.com Maximum utility charging 30A (default) current Setting range is 2A, then from 10A Note: If setting value in program 02 is smaller than to 120A. Increment of each click is that in program in 11, the 10A.
  • Page 44 EG4 Electronics www.eg4electronics.com Solar and Utility (default) Solar energy and utility will charge battery at the same time. Only Solar Charger source priority: To configure charger source Solar energy will be the only priority charger source no matter utility is available or not.
  • Page 45 EG4 Electronics www.eg4electronics.com Alarm on (default) Alarm off Beeps while primary source is interrupted Bypass disable (default) Bypass enable Overload bypass: When enabled, the unit will transfer to line mode if overload occurs in battery mode. Record enable (default) Record disable Record Fault code default: 56.4V...
  • Page 46 EG4 Electronics www.eg4electronics.com L1 phase: L2 phase: L3 phase: AC output mode L1 for split phase: L2 for split phase: *This setting only available when the inverter (120° phase difference) is in standby mode (Switch off). L2 for split phase: (180°...
  • Page 47 EG4 Electronics www.eg4electronics.com If “Flooded” or “User-Defined” is selected in program 05, this program can be set up. default: 58.4V Setting range is from 48.0V to 62.0V. Increment of each click is Battery equalization voltage 0.1V. 60min (default) Setting range is from 5min to 900min.
  • Page 48 EG4 Electronics www.eg4electronics.com Disable (Default) If selected, battery discharge protection is disabled. Maximum discharging The setting range is from 30 A to current 150 A. Increment of each click is 10A. If discharging current is higher than setting value, battery will stop discharging.
  • Page 49 EG4 Electronics www.eg4electronics.com High Scrolling Breathing RGB LED effects Solid on (Default) C01: (Default) C02: Color combination of RGB Violet-White-Sky blue White-Yellow-Green ⚫ ⚫ LED to show energy source Pink-Honey Royal blue-Lime yellow ⚫ ⚫ and battery charge/discharge status: ⚫ Grid-PV-Battery ⚫...
  • Page 50 EG4 Electronics www.eg4electronics.com 30 minutes 60 minutes Data log recorded interval *The maximum data log number is 1440. If it’s over 1440, it will re-write the first log. For minute setting, the range is from 0 to 59. Time setting – Minute For hour setting, the range is from 0 to 23.

  • Page 51: Usb Function Settings

    EG4 Electronics www.eg4electronics.com USB Function Settings There are three function keys on the display panel to implement special functions such as USB OTG, timer setting for output source priority and timer setting for charger source priority. 1. USB Function Setting Insert an OTG USB disk into the USB port ( ).
  • Page 52 EG4 Electronics www.eg4electronics.com 2. Timer Setting for Output Source Priority This timer setting is to set up the output source priority per day. Procedure LCD Screen Step 1: Press and hold “ ” button for 3 seconds to enter Timer Setup Mode for output source priority.
  • Page 53 EG4 Electronics www.eg4electronics.com Press “ ” button to set up Solar & Utility Timer. Press “ ” button to select staring time. Press “ ” or “ ” button to adjust values and press “ ” to confirm. Press “...

  • Page 54: Single Phase 120V

    EG4 Electronics www.eg4electronics.com Commissioning - Battery Based Note: Systems must be commissioned while connected to battery banks. PV or AC input only based commissioning is not recommended or supported. 120V Single Phase Step 1: Check the following requirements before commissioning: •...

  • Page 55: Split-Phase 240V

    EG4 Electronics EG4 Electronics www.eg4electronics.com 240V Split-phase Step 1: Check the following requirements before commissioning: • Ensure all wire connections are correct. • Ensure all breakers of the inputs and outputs are in the off position. Display Code Reference: Code...

  • Page 56: Three Phase

    EG4 Electronics www.eg4electronics.com 3-phase Commissioning: Step 1: Check the following requirements before commissioning: • Ensure all wire connections are correct. Ensure all breakers of the inputs and outputs are in the off position. • Display Code Reference: Code Description Icon on...
  • Page 57 EG4 Electronics www.eg4electronics.com Communications Serial to PC Connection Please use the supplied serial cable for connection between the inverter and your PC. Install the monitoring software from the bundled CD and follow the on-screen instructions to complete your installation. For detailed software operation, refer to the software user manual on the bundled CD.

  • Page 58: Cleaning And Care

    EG4 Electronics www.eg4electronics.com CLEANING AND MAINTENANCE FOR ANTI-DUST KIT Overview Every inverter comes with an installed anti-dusk kit from the factory. The inverter will automatically detect this kit and activate an internal thermal sensor to adjust internal temperature, also keeping dust out of of the inverter, increasing the product reliability and lifespan.

  • Page 59: Troubleshooting Tables

    EG4 Electronics www.eg4electronics.com TROUBLE SHOOTING Problem LCD/LED/Buzzer Explanation / Possible cause What to do Unit shuts down LCD/LEDs and buzzer automatically will be active for 3 The battery voltage is too low 1. Re-charge battery. during startup seconds and then (<1.91V/Cell)
  • Page 60 EG4 Electronics www.eg4electronics.com Trouble shooting Cont. Situation Fault Solution Fault Event Description Code Restart the inverter. Confirmed Line and Neutral wires are landed correctly. For parallel system in single phase, make sure the current sharing Current feedback into cables are connected for all on inverters on each phase.

  • Page 61: Fault Code Table

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Appendix I: Fault & Warning Codes Fault Code Fault Event Icon on Fan is locked when inverter is off. Over temperature Battery voltage is too high Battery voltage is too low Output short circuit.
  • Page 62 EG4 Electronics www.eg4electronics.com Code Reference - Related information code will be displayed on LCD screen. Please check inverter LCD screen for the operation. Code Description Action If battery status is not allowed to charge and discharge after the communication between...

  • Page 63: Warning Code Table

    EG4 Electronics www.eg4electronics.com Warning Indicator Warning Warning Event Audible Alarm Icon flashing Code Beep three times every Fan is locked when inverter is on. second Over temperature None Battery is over-charged Beep once every second Low battery Beep once every second Overload Beep once every 0.5 second...

  • Page 64: Lead Battery Chemistry Equalization

    EG4 Electronics www.eg4electronics.com LEAD BATTERY CHEMISTRY EQUALIZATION The equalization function is added into charge controller. It reverses the buildup of negative chemical effects like stratification, a condition where acid concentration is greater at the bottom of the battery than at the top.

  • Page 65: Wifi Operation Guide

    EG4 Electronics EG4 Electronics www.eg4electronics.com www.eg4electronics.com Appendix II: Wi-Fi Operation Guide in Remote Panel 1. Introduction Wi-Fi module can enable wireless communication between off-grid inverters and monitoring platform. Users have complete and remote monitoring and controlling experience for inverters when combining Wi-Fi module with WatchPower APP, available for both iOS and Android based device.
  • Page 66 EG4 Electronics www.eg4electronics.com Then, a “Registration success” window will pop up. Tap “Go now” to continue setting local Wi-Fi network connection. Step 2: Local Wi-Fi Module Configuration Now, you are in “Wi-Fi Config” page. There are detailed setup procedure listed in “How to connect?”...
  • Page 67 EG4 Electronics www.eg4electronics.com Step 3: Wi-Fi Network settings icon to select your local Wi-Fi router name (to access the internet) and enter password. Step 4: Tap “Confirm” to complete the Wi-Fi configuration between the Wi-Fi module and the Internet. If the connection fails, please repeat Step 2 and 3.
  • Page 68 EG4 Electronics www.eg4electronics.com 2-3. Login and APP Main Function After finishing the registration and local Wi-Fi configuration, enter registered name and password to login. Note: Tick “Remember Me” for your login convenience afterwards. Overview After login is successfully, you can access “Overview” page to have overview of your monitoring devices, including overall operation situation and Energy information for Current power and Today power as below diagram.
  • Page 69 EG4 Electronics www.eg4electronics.com Devices Tap the icon (located on the bottom) to enter Device List page. You can review all devices here by adding or deleting Wi-Fi Modules in this page. Add device Delete device Tap the icon on the top right corner and manually enter part number to add device. This part number label is pasted on the bottom of remote LCD panel.
  • Page 70 EG4 Electronics www.eg4electronics.com 2-4. Device List In the Device List page, you can pull down to refresh the device information and then tap any device you want to check up for its real-time status and related information as well as to change parameter settings.
  • Page 71 EG4 Electronics www.eg4electronics.com 【Battery Mode】 Inverter will power the load from the batter with or without PV charging. Only PV source can charge battery. Device Alarm and Name Modification In this page, tap the icon on the top right corner to enter the device alarm page. Then, you can review alarm history and detailed information.
  • Page 72 EG4 Electronics www.eg4electronics.com 【Rated Information】displays information of Nominal AC voltage, Nominal AC current, Rated battery voltage, Nominal output voltage, Nominal output frequency, Nominal output current, Nominal output apparent power and Nominal output active power. Please slide up to see more rated information.
  • Page 73 EG4 Electronics www.eg4electronics.com Charger source To configure charger source priority. priority: Max. charging current It’s to set up battery charging parameters. The selectable values in Max. AC charging different inverter model may vary. current: Please see product manual for the details.

  • Page 74: Appendix Iii

    EG4 Electronics www.eg4electronics.com Appendix III:...
  • Page 75 EG4 Electronics www.eg4electronics.com 2022.04.26 09:01:52 +08'00'...

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