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Sungrow SG350HX User Manual

Sungrow SG350HX
128 pages
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SG285HX /
SG320HX / SG333HX / SG350HXPV
Grid-Connected InverterUser
ManualSG285_320_333_350HX-
UEN-Ver17-202209
User Manual
PV Grid-Connected Inverter
SG285HX / SG320HX / SG333HX / SG350HX
SG285_320_333_350HX-UEN-Ver17-202209

Table of Contents

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Sungrow SG350HX Specifications

General IconGeneral
Max. PV input voltage1500 V
Rated AC output power350 kW
Max. efficiency99%
Cooling methodSmart Forced Air Cooling
Max. AC Output Power385 kVA
Nominal AC Output Power350 kW
Number of MPPTs12
Max. Input Current per MPPT26 A
Nominal AC Voltage800 V
Power Factor0.8 leading to 0.8 lagging
THDi<3%
Protection DegreeIP66
Number of MPP Trackers12
Output Frequency50 Hz / 60 Hz
Humidity Range0 - 100 %
Operating temperature range-25°C to +60°C

Summary

Safety Instructions

Unpacking and Inspection Safety

Safety precautions during product unpacking and initial checks.

Installation Safety Guidelines

Key safety measures for physical installation of the inverter.

Operation Safety Procedures

Safety guidelines for using the inverter during operation.

Maintenance Safety Precautions

Safety guidelines to follow before and during maintenance.

Unpacking and Storage

Mechanical Mounting

Mounting Safety and Location Requirements

Safety during mounting, site selection criteria, and environmental conditions.

Inverter Handling and Transport

Procedures for moving the inverter manually or via hoisting.

Mounting Bracket Installation

Steps to install the mounting bracket for various mounting types.

Bracket-Mounted Installation Procedure

Specific steps for mounting the inverter onto a bracket.

Wall-Mounted Installation Procedure

Specific steps for mounting the inverter on a wall.

Pole-Mounted Installation Procedure

Specific steps for mounting the inverter on a pole.

Final Inverter Installation

Securing the inverter to the mounted bracket.

Electrical Connection

Electrical Connection Safety

Crucial safety guidelines for all electrical work.

External Protective Grounding

Requirements and procedures for connecting the external protective ground.

AC Cable Connection Requirements

General requirements for AC side connections and circuit breaker specifications.

DC Cable Connection and PV Input

Safety and procedures for connecting DC power from PV strings.

Commissioning

Pre-Commissioning Checks and Startup Procedure

Essential checks and steps for initial inverter startup.

iSolarCloud App Usage

Troubleshooting and Maintenance

Inverter Troubleshooting Guide

Common fault codes and their corrective measures.

Maintenance Safety and Notices

Important safety precautions and notices before performing maintenance.

Safe Inverter Disconnection

Procedures for safely shutting down and disconnecting the inverter.

Appendix

Technical Specifications

Detailed technical data for all inverter models.

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