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Lux Power Technology 12K - User Manual

Lux Power Technology 12K
20 pages
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Version: EN-UM-1.0-00
HYBRID INVERTER 12K EU

Questions and Answers

  • W
    wadamsAug 15, 2025
    What to do if my Lux Power Technology Inverter's heat sink temperature is too high?
    • M
      Michael SheltonAug 16, 2025
      If the heat sink temperature is too high, ensure the inverter is installed in a well-ventilated area, away from direct sunlight. Also, check if the NTC connector inside the inverter is loose. If the installation site is adequate, check the NTC connector.
  • J
    Julie SanchezAug 18, 2025
    What to do if my Lux Power Technology Inverter detects a short circuit on PV input?
    • K
      Kathleen DuncanAug 18, 2025
      If a short circuit is detected on the PV input, disconnect all PV strings from the inverter. If the error persists after disconnecting the strings, it's recommended to contact Luxpower service or your inverter supplier.
  • Z
    zoe03Aug 21, 2025
    What to do if my Lux Power Technology Inverter detects a short-circuit on EPS output terminals?
    • Z
      zacharysalazarAug 21, 2025
      If the inverter detects a short-circuit on the EPS output terminals, disconnect the EPS breaker to see if the fault remains. If the fault persists after disconnecting the breaker, it is recommended to contact Luxpower service or your inverter supplier.
  • P
    Perry LarsenAug 25, 2025
    What to do if my Lux Power Technology Inverter's DC Bus voltage is too high?
    • A
      Anna ChoiAug 25, 2025
      If the DC Bus voltage is too high, verify that the PV string voltage is within the inverter's specified limits. If the string voltage is within the correct range and the fault continues, contact Luxpower service or your inverter supplier.
  • O
    obarnettAug 27, 2025
    What to do if my Lux Power Technology Inverter triggers hardware level over current protection?
    • V
      vmurphyAug 27, 2025
      If the hardware level over current protection is triggered, restart the inverter. If the error persists after restarting, it's recommended to contact Luxpower service or your inverter supplier.
  • B
    Brian ManningAug 31, 2025
    What to do if my Lux Power Technology Inverter shows an incorrect model value?
    • M
      Misty MartinezAug 31, 2025
      If the inverter displays an incorrect model value, check that the L1, L2, and N wires are correctly connected at the inverter's EPS output port.
  • N
    Nicholas HinesSep 2, 2025
    What to do if my Lux Power Technology Inverter displays voltage between N and PE greater than 30V?
    • W
      williamsbriannaSep 2, 2025
      If the voltage between N and PE is greater than 30V, check if the neutral wire is connected correctly.
  • F
    fcaldwellSep 5, 2025
    What to do if the EPS port and grid port are connected mixed up in Lux Power Technology Inverter?
    • H
      hoffmancarlaSep 5, 2025
      If the EPS port and grid port are connected mixed up, check if the wires on the EPS port and grid port are connected correctly. If the error persists, contact Luxpower service or your inverter supplier.
  • J
    Joshua MarquezSep 9, 2025
    What to do if my Lux Power Technology Inverter's DC Bus is short circuited?
    • S
      samuelbradfordSep 9, 2025
      If the DC Bus is short-circuited, restart the inverter. If the error persists after restarting, it's recommended to contact Luxpower service or your inverter supplier.
  • C
    Crystal HernandezSep 12, 2025
    What to do if the M3 microprocessor fails to receive data from DSP in Lux Power Technology Inverter?
    • Z
      zortegaSep 12, 2025
      If the M3 microprocessor fails to receive data from the DSP, restart the inverter. If the error persists after restarting, it's recommended to contact Luxpower service or your inverter supplier.

Summary

Safety

1.1 Safety Instruction

Covers general safety instructions, critical dangers, warnings, and important notices for inverter operation.

Brief Introduction

2.1 System Solution

Details various system application diagrams and solutions for the hybrid inverter.

Installation

3.1 Packaging List & Storing

Lists the components included in the inverter package and guidelines for storing them.

3.2 Location Selection and Installation

Provides requirements and guidance for selecting an appropriate installation location.

3.2.1 Requirements for installation location

Specifies criteria for choosing a suitable installation site, including wall strength and clearances.

3.2.2 Installing the inverter

Step-by-step instructions for wall-mounting the inverter, including hardware and placement details.

3.3 Connection Overview

Provides a system connection diagram and an overview of the inverter's connection ports.

3.3.1 System Connection

Illustrates the overall system connection diagram and lists recommended breaker specifications.

3.4 PV Connection

Details the procedure for connecting Photovoltaic (PV) panels to the inverter, including cable requirements.

3.5 Battery Connection

Explains how to connect the battery power cables and communication cables to the inverter.

3.5.1 Battery power cable connection

Provides instructions and cable requirements for connecting the battery power cables securely.

3.5.2 Battery communication cable connection

Details the connection procedure and pinout for the battery communication cable.

3.6 Grid&EPS load Connection

Explains how to connect the inverter to the grid and EPS (Emergency Power Supply) load.

3.6.1 Grid type selection

Covers settings for grid type and regulations, and battery parameters for operation.

3.6.2 Grid and EPS load connection

Illustrates connection diagrams for grid and EPS load, including utility meter and generator.

3.6.3 AC cable connection

Provides cable requirements and steps for connecting AC cables to the inverter.

3.6.4 CT;Meter Connection

Details the connection of Current Transformers (CTs) and meters for power measurement.

3.7 Working with Generator

Shows how to connect the inverter with a generator for backup power and outlines connection diagrams.

3.7.1 Generator system connection

Shows how to connect the inverter with a generator for backup power and outlines connection diagrams.

3.7.2 Generator Startup and Stop settings

Explains how to configure generator startup and stop conditions based on battery SOC or voltage.

3.8 AC Coupling Installation Connection

Describes how to connect the inverter for AC coupling with an existing grid-interactive solar system.

3.9 Parallel System Connection

Details the wiring and setup for paralleling multiple inverters to expand system capacity.

3.9.1 Connection for paralleling system

Details the wiring and setup for paralleling multiple inverters to expand system capacity.

3.10 Monitor System Setup

Guides on setting up monitoring systems for the inverter using WiFi, GPRS, 4G, or WLAN dongles.

3.10.1 Wifi;GPRS;4 G;WLAN dongle connection

Guides on connecting WiFi, GPRS, 4G, or WLAN dongles for remote inverter monitoring.

3.10.2 Setup the monitor system

Instructions for signing up and creating a station to add dongles for system monitoring.

3.10.3 Set homewifi password to dongle

Steps to connect the WiFi dongle to a home WiFi network by setting the password.

3.10.4 Third party RS485 communication

Explains how to use RS485 communication for meters or third-party applications.

Operation Guide

4.1 Operation Mode

Describes the different working modes of the inverter to meet customer demands.

4.1.1 Self-usage Mode (Default)

Details the default self-usage mode, prioritizing solar, then battery, then grid for load supply.

4.1.2 Charge First Mode

Explains the 'Charge First' mode where battery charging is prioritized over load supply.

4.1.3 AC Charge Mode

Covers charging the battery using grid power during off-peak hours and discharging during peak hours.

4.2 LCD Display

Guides on viewing inverter status, real-time data, and energy information on the LCD screen.

4.2.1 Viewing information and alarm;fault record

Instructions on how to view system overview, real-time data, and historical fault/alarm records on the LCD.

4.2.2 Setting Parameters

Details how to access and configure various inverter parameters through the LCD interface.

a. Basic settings

Covers basic settings like Standby mode, Restart inverter, and Feed-in Grid options.

b. Charge setting

Explains battery charge control, current limits, AC charge settings, and PV charge first settings.

c. Discharge setting

Details battery discharge control, current limits, and settings for on-grid/off-grid discharge.

d. Advanced setting

Covers advanced settings like Grid type, Battery type, Off-grid output, and AC coupling.

Start-up and shut down the inverter

4.3.1 Start up the inverter

Step-by-step guide on how to safely start up the inverter, including breaker sequences.

4.3.2 Shut down the inverter

Provides instructions on safely shutting down the inverter in normal or emergency situations.

Troubleshooting & Maintenance

5.1 Regular Maintenance

Outlines regular maintenance tasks for the inverter and battery system.

Inverter Maintenance

Describes periodic checks for inverter condition, connections, and heat sink clearance.

Battery Maintenance

Advises following manufacturer guidelines for battery maintenance, ensuring inverter shutdown.

5.2 LED Displays

Explains the meaning of different LED indicator states and suggests troubleshooting steps.

5.3 Troubleshooting Based On LCD Displays

Guides users on troubleshooting issues by interpreting fault and alarm information shown on the LCD.

5.4 Fan replacement

Provides instructions for replacing cooling fans in the inverter, including safety precautions.

Lux Power Technology 12K Specifications

General IconGeneral
Battery Voltage48V
Frequency50/60Hz
Rated Power12 kW
Output Voltage230Vac
Protection FeaturesAC Short Circuit Protection, Over Current Protection, Over Voltage Protection
CoolingFan Cooling
Humidity5% to 95% (non-condensing)

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