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Sungrow SG40CX User Manual

Sungrow SG40CX
129 pages
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SG30CX /
SG33CX / SG40CX / SG50CX /
SG30CX-NI / SG50CX-NIPV Grid-
Connected InverterUser
ManualSG30_33_40_50CX/SG30_
50CX-NI-UEN-Ver24-202312
User Manual
PV Grid-Connected Inverter
SG30CX / SG33CX / SG40CX / SG50CX / SG30CX-NI /
SG50CX-NI
SG30_33_40_50CX/SG30_50CX-NI-UEN-Ver24-202312

Table of Contents

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Sungrow SG40CX Specifications

General IconGeneral
ModelSG40CX
Rated Output Power40 kW
Max. Input Voltage1100 V
Start Voltage200 V
MPPT Voltage Range200 V - 1000 V
Number of MPPTs4
Max. Input Current per MPPT26 A
Number of DC Inputs per MPPT2
Max. AC Apparent Power44 kVA
Max. Output Current63 A
Rated AC Voltage400 V
Rated Grid Frequency50 Hz / 60 Hz
Total Harmonic Distortion<3%
Power Factor at Rated Power1
Adjustable Power Factor Range0.8 leading - 0.8 lagging
European Efficiency98.4%
DC SwitchYes
Protection Class (According to IEC 62103)Class I
Cooling MethodSmart forced air cooling
Protection DegreeIP66
Grid Frequency Range45 Hz - 55 Hz / 55 Hz - 65 Hz
CommunicationRS485
Operating Temperature Range-25°C to +60°C

Summary

Safety Instructions and Precautions

Installation Safety Guidelines

Critical safety measures to follow during the physical installation process.

Operation Safety Precautions

Safety measures to ensure safe operation of the inverter.

Maintenance Safety Guidelines

Safety warnings and procedures for performing maintenance tasks.

Product Overview and Features

Inverter Function Description

Details the core conversion, data storage, and communication functions.

Mechanical Mounting and Installation

Safety During Mounting

Essential safety precautions for the mechanical installation process.

Location and Environment Requirements

Criteria for selecting an appropriate installation site and environmental conditions.

Electrical Connections Guide

Electrical Connection Safety

Crucial safety warnings and procedures for all electrical connections.

AC and DC Cable Connections

Detailed procedures for connecting AC and DC power cables.

Commissioning the Inverter

Pre-Commissioning Inspection

Checklist of items before starting the inverter's commissioning process.

Commissioning Procedure Steps

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

iSolarCloud App Usage

Firmware Update and Detection Settings

Procedures for updating firmware and configuring grounding detection.

System Decommissioning and Disposal

Disconnecting and Dismantling the Inverter

Safe procedures for disconnecting power and physically removing the inverter.

Troubleshooting and Maintenance

Inverter Faults and Troubleshooting

Guide to identifying fault codes and corrective measures for inverter issues.

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