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Sungrow SG350HX-US User Manual

Sungrow SG350HX-US
114 pages
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SG350HX-USPV
Grid-Connected InverterUser
ManualSG350HX-US-UEN-Ver12-
202301
User Manual
PV Grid-Connected Inverter
SG350HX-US
SG350HX-US-UEN-Ver12-202301

Table of Contents

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Sungrow SG350HX-US Specifications

General IconGeneral
BrandSungrow
ModelSG350HX-US
CategoryInverter
LanguageEnglish

Summary

About This Manual

Manual Overview and Usage

Overview of manual content, target audience, validity, and usage guidance.

Safety Instructions

Unpacking and Inspection Safety

Safety precautions related to unpacking and inspecting the inverter.

Installation Safety

Ensures safe practices during the installation process of the inverter.

Electrical Connection Safety

Critical safety measures for electrical connections to prevent shock and damage.

Operation Safety

Guidelines for safe operation of the inverter, including avoiding hot parts and touching terminals.

Maintenance Safety

Safety procedures to follow when performing maintenance on the inverter.

Disposal Safety

Safe and compliant procedures for disposing of the inverter product.

Product Description

System Introduction

Overview of the inverter's role in a PV system and its basic function.

Product Introduction and Appearance

Details the inverter's appearance, components, dimensions, and weight.

Symbols on Product

Explanation of various symbols found on the inverter itself, indicating safety and compliance.

LED Indicator and DC Switch

Explains the function of the LED indicator and the DC switch.

LED Indicator States

Describes the meaning of different LED color and blink patterns indicating inverter status.

DC Switch and Circuit Diagram

Details the DC switch functionality and illustrates the main circuit of the inverter.

Inverter Functionality

Outlines the conversion, data storage, configuration, communication, and protection functions.

Unpacking and Storage

Unpacking and Inspection

Procedure for checking the product for damage and completeness after delivery.

Unpacking and Inspection Procedure

Procedure for checking the product for damage and completeness after delivery.

Unpacking Steps

Illustrated steps for removing the inverter from its packaging.

Inverter Storage Guidelines

Recommended conditions and procedures for storing the inverter before installation.

Mechanical Mounting

Safety During Mounting

Safety precautions to be observed during the mechanical installation of the inverter.

Location and Environment Requirements

Specifies ideal locations, environment, and clearance requirements for mounting.

Carrier and Angle Requirements

Details requirements for mounting structures, carrier materials, and installation angles.

Clearance Requirements

Specifies minimum clearances around the inverter for heat dissipation.

Installation Tools

Lists the recommended tools required for installing the inverter and mounting bracket.

Moving Inverter Safely

Guidance on safely handling, transporting, and hoisting the inverter.

Hoisting Transport Procedure

Detailed steps for safely lifting and moving the inverter using hoisting equipment.

Installing Mounting-bracket

Instructions for mounting brackets on walls, poles, or other structures.

Installing the Inverter

Steps for physically attaching the inverter to the installed mounting bracket.

Electrical Connection

Safety Instructions

Critical safety measures for electrical connections, including high voltage and grounding.

Terminal Description

Identifies and explains the function of various terminals on the inverter.

Electrical Connection Overview

Illustrates the overall electrical connections within the PV system.

Crimp OT/DT Terminal

Procedure and requirements for crimping OT/DT terminals for cable connections.

External Protective Grounding

Guidelines and procedures for establishing a reliable external protective grounding connection.

AC Cable Connection

Detailed steps and requirements for connecting AC cables to the inverter.

DC Cable Connection

Instructions for connecting DC cables, PV input configuration, and connector assembly.

RS485 Communication Connection

Procedure for establishing RS485 communication between the inverter and other devices.

PLC Communication Connection

Information on setting up Power Line Communication (PLC) for data transfer.

Commissioning

Inspection Before Commissioning

Checklist of items to verify before starting the inverter for the first time.

Commissioning Procedure

Step-by-step guide for initial startup and configuration of the inverter.

iSolarCloud App

Brief Introduction

Overview of the iSolarCloud app's capabilities for inverter monitoring and maintenance.

Installing the App

Instructions for downloading and installing the iSolarCloud mobile application.

App Login

Steps to log in to the iSolarCloud app, including Bluetooth connection and initial setup.

Function Overview

Description of the app's main functions and the layout of the home screen.

Home Screen Details

Explains the elements displayed on the app's home screen for inverter status and monitoring.

Run Information

Details on viewing PV, inverter, and input/output data within the app.

Records and Yield Data

How to access and interpret fault alarms, yield data, and event logs via the app.

App Settings and Parameters

Guides on managing system parameters, PID, power regulation, communication, and firmware updates.

Troubleshooting and Maintenance

Inverter Troubleshooting Guide

List of fault codes, names, and corrective measures for common inverter issues.

Maintenance Procedures

Safety, disconnection, routine checks, cleaning of fans and heat sinks.

Inverter Disposal and Storage

Instructions for safely dismantling, disposing, or storing the inverter.

Appendix

Technical Data

Comprehensive technical specifications, dimensions, weight, and compliance standards.

Wiring Distance and Quality Assurance

Details on DI dry contact wiring distances and warranty terms and conditions.

Contact Information

How to contact Sungrow for support and assistance with the product.

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