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SG333HX
User manual
Sungrow SG333HX User Manual
Pv grid-connected inverter
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
All Rights Reserved
About this Manual
Table of Contents
Safety Instructions
Unpacking and Inspection
Installation Safety
Electrical Connection Safety
Operation Safety
Maintenance Safety
Disposal Safety
Product Description
System Introduction
Product Introduction
Symbols on the Product
LED Indicator
DC Switch
Circuit Diagram
Function Description
Unpacking and Storage
Unpacking and Inspection
Unpacking Steps
Inverter Storage
Mechanical Mounting
Safety During Mounting
Location Requirements
Environment Requirements
Carrier Requirements
Angle Requirements
Clearance Requirements
Installation Tools
Moving the Inverter
Manual Transport
Hoisting Transport
Installing the Mounting-Bracket
Bracket-Mounted Installation
Wall-Mounted Installation
Pole-Mounting
Installing the Inverter
Electrical Connection
Safety Instructions
Terminal Description
Electrical Connection Overview
Crimp OT / DT Terminal
External Protective Grounding Connection
External Protective Grounding Requirements
Connection Procedure
AC Cable Connection
AC Side Requirements
Requirements for OT/DT Terminal
Cable
Connection Procedure of Two Wires Per Phase with Multi-Core
Cable
DC Cable Connection
PV Input Configuration
Assembling the PV Connectors
Installing the PV Connector
Wiring of Tracking System Power Cable (Optional)
RS485 Connection(COM1)
Interface Description
RS485 Communication System
Connection Procedure
Dry Contact Connection(COM2)
Interface Description
Dry Contact Function
Connection Procedure
PLC Communication Connection
Commissioning
Inspection before Commissioning
Commissioning Procedure
Isolarcloud App
Brief Introduction
Installing the App
Login
Requirements
Login Procedure
Function Overview
Home Page
Run Information
Records
More
System Parameters
Operation Parameters
Power Regulation Parameters
Communication Parameters
Firmware Update
Password Changing
Troubleshooting and Maintenance
Troubleshooting
Maintenance
Maintenance Notices
Disconnecting the Inverter
Routine Maintenance
Cleaning Air Inlet and Outlet
Fan Maintenance
Inverter Disposal
Dismantling the Inverter
Disposal of the Inverter
Appendix
Technical Data
Wring Distance of DI Dry Contact
Quality Assurance
Contact Information
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About this Manual
2
Electrical Connection Safety
3
Circuit Diagram
4
Electrical Connection
5
Technical Data
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User Manual
PV Grid-Connected Inverter
SG285HX / SG320HX / SG333HX / SG350HX
SG285HX /
Grid-Connected InverterUser
ManualSG285_320_333_350HX-
UEN-Ver17-202209
SG285_320_333_350HX-UEN-Ver17-202209
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Summarization of Contents
About This Manual
Validity
Lists the inverter models for which this manual is applicable.
Target Group
Identifies the intended audience and required qualifications for reading the manual.
How to Use This Manual
Provides guidance on effectively using the manual for information retrieval.
Safety Instructions
Unpacking and Inspection
Details procedures for checking the product upon receipt for damage or completeness.
Installation Safety
Outlines essential safety precautions to be followed during the installation process.
Electrical Connection Safety
Covers critical safety measures for electrical connections to prevent hazards.
Operation Safety
Specifies safety guidelines for operating the inverter to avoid injury or damage.
Maintenance Safety
Details safety precautions required when performing maintenance on the inverter.
Product Description
System Introduction
Explains the inverter's role and function within a PV power system.
Product Introduction
Provides an overview of the inverter's model description and physical appearance.
LED Indicator
Describes the function and meaning of the LED indicators on the inverter's front panel.
Function Description
Outlines the various integrated functions of the inverter, such as conversion and data storage.
Unpacking and Storage
Unpacking and Inspection
Details procedures for checking the product upon receipt for damage or completeness.
Inverter Storage
Details the proper conditions and procedures for storing the inverter.
Mechanical Mounting
Safety during Mounting
Highlights critical safety precautions to be observed during the mounting process.
Location Requirements
Specifies the ideal conditions and criteria for selecting a mounting location.
Clearance Requirements
Specifies the necessary space around the inverter for heat dissipation and maintenance.
Installation Tools
Lists the recommended tools required for the installation of the inverter.
Installing the mounting-bracket
Explains the process of assembling and installing the mounting bracket.
Wall-Mounted Installation
Provides instructions for mounting the inverter directly onto a wall.
Installing the Inverter
Guides the final steps of attaching the inverter to the installed mounting bracket.
Electrical Connection
Safety Instructions
Crucial safety warnings and procedures related to electrical connections.
Terminal Description
Identifies and explains the purpose of each terminal on the inverter.
External Protective Grounding Connection
Explains the process and requirements for establishing a reliable external ground connection.
AC Cable Connection
Covers the procedures and requirements for connecting the AC power cable.
DC Cable Connection
Details the process and safety precautions for connecting the DC power cables from PV strings.
RS485 Connection(COM1)
Details the RS485 communication connection for monitoring devices.
Dry Contact Connection(COM2)
Describes the connection and function of the COM2 dry contact interface.
Commissioning
Inspection before Commissioning
A checklist of items to verify before starting the inverter's commissioning process.
Commissioning Procedure
Step-by-step guide for initial startup and configuration of the inverter.
iSolarCloud App
Installing the App
Instructions on how to download and install the iSolarCloud mobile application.
Login
Covers the requirements and procedures for logging into the iSolarCloud App.
Function Overview
Presents a map of the App's various functions and features.
System Parameters
Details how to view and configure system-level parameters like boot/shutdown and time settings.
Operation Parameters
Explains how to set and manage operational parameters, including PID and power regulation.
Firmware Update
Provides instructions for updating the inverter's firmware using the App.
Troubleshooting and Maintenance
Troubleshooting
Lists common fault codes and their corrective measures for diagnosing issues.
Maintenance
Provides general guidelines and notices for performing maintenance on the inverter.
Disconnecting the Inverter
Detailed steps for safely disconnecting the inverter from power sources before maintenance.
Routine Maintenance
Outlines regular maintenance tasks, their methods, and recommended periods.
Fan Maintenance
Details the procedures for inspecting, cleaning, or replacing the inverter's internal fans.
Appendix
Technical Data
Presents detailed technical specifications and parameters for the inverter models.
Quality Assurance
Outlines the warranty terms, conditions, and exclusions for the product.
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