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Sungrow SG4K-D User Manual

Sungrow SG4K-D
95 pages
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SG2-6K-UEN-Ver14-202003 Version1.4
User Manual
SG2K-S / SG2K5-S / SG3K-S /
SG3K-D / SG3K6-D / SG4K-D /
SG4K6-D / SG5K-D / SG6K-D
PV Grid-Connected
Inverter

Table of Contents

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Sungrow SG4K-D Specifications

General IconGeneral
Rated Output Power4000 W
Max. DC Input Voltage600 V
Number of MPPTs2
Max. DC Input Current per MPPT11 A
Protection DegreeIP65
Maximum Input Current22 A
Output Voltage Range180 V - 280 V
Frequency Range50 Hz / 60 Hz
Power Factor>0.99
Cooling MethodNatural Convection
Protection LevelIP65
Max. DC Power5200 W
Max. AC Power4400 VA
Rated AC Voltage230 V
Maximum Power Output4000 W
Operating Temperature Range-25°C ~ +60°C

Summary

Safety Precautions

PV Panel Electrical Safety

Safety guidelines for PV strings and preventing electric shock.

Inverter Safety Guidelines

Precautions for handling the inverter, avoiding shocks and damage.

Warning Labels and Personnel Qualifications

Explains inverter warning labels and required personnel skills.

Product Overview

Inverter Functionality Description

Core functions like power conversion, data logging, and protection.

Operational Voltage Parameters

Details on voltage limits for initial start-up and reconnection.

Installation Preparation

Mechanical Installation

Mounting Safety and Location

Critical safety steps and optimal site selection for mounting.

Mounting the Inverter

Step-by-step process for physically installing the inverter.

Electrical Connections

Electrical Connection Safety Precautions

Essential safety measures before performing electrical work.

Grounding and AC Cable Connections

Procedures for additional grounding and AC cable assembly.

DC Cable Connection Safety

Safety warnings for connecting DC cables.

Commissioning the Inverter

Pre-Commissioning Checks and Button Functions

Essential inspections and button operations before startup.

Commissioning Procedure Steps

Sequence for starting up and configuring the inverter.

LCD Interface Operations

Setting Protective Parameters

Configuration of grid protection thresholds and recovery values.

System Decommissioning

Safely Disconnecting the Inverter

Step-by-step process to disconnect the inverter from power sources.

Troubleshooting and Maintenance

General Troubleshooting and LED Indicators

Diagnosing issues using LED status and general troubleshooting steps.

Error Codes on App and LCD

Interpreting error codes for troubleshooting problems.

Maintenance Procedures and Precautions

Guidelines for inverter maintenance and safety warnings.

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