Deye SUN-20K-G04-LV User Manual
Deye SUN-20K-G04-LV User Manual

Deye SUN-20K-G04-LV User Manual

Grid-connected pv inverter

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Grid-connected PV Inverter
SUN-18K-G04-LV
SUN-20K-G04-LV
SUN-21K-G04-LV
User Manual

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Table of Contents
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Summarization of Contents

Introduction
Appearance Introduction
Overview of the inverter's physical appearance and design.
Labels description
Explanation of the meaning and significance of various safety and certification labels on the inverter.
Parts list
Inventory of all components and accessories included in the inverter package.
Product handling requirements
Guidelines and precautions for safely handling, lifting, and transporting the inverter.
Safety warnings and instructions
Safety signs
Identification and explanation of warning, shock hazard, and high temperature hazard symbols.
Safety instructions
Critical safety directives for electrical installation, operation, and maintenance of the inverter.
Notes for using
Important operational notes, precautions, and specific instructions for safe inverter usage.
Operation Interface
Interface View
Detailed view of the inverter's front panel display, showing indicators and basic layout.
Status Indicator
Explanation of the four LED status indicator lights on the inverter and their meanings.
Buttons
Description of the function of the Esc, Up, Down, and Enter keys on the inverter keypad.
LCD Display
Information conveyed by the inverter's two-line Liquid Crystal Display (LCD).
Product installation
Select installation location
Criteria and recommendations for choosing a safe and optimal installation site for the inverter.
Installations Tools
List of recommended tools required for the proper installation of the inverter.
Inverter Installation
Step-by-step instructions for mounting the inverter onto a wall or structure.
Electrical Connection
PV Module Selection
Guidelines for selecting appropriate PV modules based on voltage, current, and certification.
DC input terminal connection
Procedure for safely connecting the DC input terminals of the PV array to the inverter.
AC input terminal connection
Instructions for correctly connecting the AC output terminals to the grid.
The connection of the ground line
Detailed steps for establishing a secure and effective grounding connection for the inverter.
Max. over current protection device
Recommendations for selecting circuit breakers or protection devices for AC overcurrent.
Inverter monitoring connection
Guidance on connecting the inverter for remote monitoring via Wi-Fi or other communication modules.
Installation of datalogger
Steps involved in installing the datalogger accessory for data recording.
Configuration of datalogger
Instructions on how to configure the datalogger after installation.
Startup and Shutdown
Start up the inverter
Step-by-step procedure for safely powering on and starting the inverter's operation.
Inverter Shutdown
Procedure for safely powering down and stopping the inverter.
Anti-PID Function(optional)
Explanation of the optional Anti-PID function, its purpose, and operation.
DRM(RCR) wiring diagram(optional)
Wiring diagrams for optional Demand Response Modes (DRM) and Ripple Control Receiver (RCR).
LCD night power supply(optional)
Details about the optional feature providing power to the LCD screen and datalogger at night.
Zero-export function via energy meter
Multiple strings and parallel connection meters
Configuration for using energy meters with multiple inverters in parallel for zero export functionality.
Use of zero-export function
Step-by-step guide to enable and configure the zero-export function through the meter.
Notes while using zero export function
Important safety tips and operational recommendations for using the zero-export function.
How to browse the load power of your PV grid-tie plant on monitoring platform?
Instructions on accessing and viewing PV plant load power data on the monitoring platform.
General Operation
The initial interface
Description of the inverter's initial screen, displaying power, state, and other key information.
Submenus in the Main Menu
Overview of the main menu structure and its five primary submenus.
System param setting
Configuration options for system parameters like time, language, display, and factory reset.
Protect Param setting
Settings related to grid protection parameters, including voltage and frequency limits.
Comm. param setting
Configuration of communication parameters such as Modbus address and baud rate.
Error information and processing
Error code
Comprehensive list of error codes, their descriptions, and recommended troubleshooting steps.

Table of Contents