EG4 18KPV - Brief Introduction; System Diagrams

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3 Brief Introduction

3.1

System Diagrams

This unit and its associated system are suitable for the following applications:

Main Page

Table of Contents2
Abbreviations5
Safety6
Safety Instructions6
Important Safety Notifications6
Brief Introduction8
System Diagrams8
Installation9
Packaging List and Placement9
Location Selection and Installation9
Requirements for Installation Location9
Installing the Inverter10
Mounting Steps11
Connection Overview12
System Connections12
PV Connection15
Connecting PV to the Inverter15
String Sizing16
Steps for PV Wiring18
Battery Connection18
Connecting Batteries to the Inverter18
Battery Power Cable Connection19
Battery Communication Cable Connection19
AC Wiring Information21
Steps for AC Connection22
Ct/Meter Connection22
Working with a Generator24
Generator System Connection24
Connecting the Generator Start Signal (Dry Contact)25
Generator Start and Stop Settings25
Off-Grid26
Off-Grid Wiring26
AC Coupling Installation Connection26
AC Coupling Settings27
Parallel System Connection28
Connections for Parallel System28
Parallel Information Display28
Parallel Configuration29
Grid, Load, and AC Connection30
Grid Type and Regulation Connection30
Grid and Load Connections for Split- Phase Service30
Decision Tree and Wiring Diagrams30
End User Settings46
Application Settings46
Paralleling Settings46
Charge Settings47
Generator Charge Settings48
Discharge Settings48
Installer Settings49
Common Settings49
Application Settings50
Grid Connect Settings51
Charge Settings53
Generator Charge Settings54
Discharge Settings54
Monitor System Setup56
Wi-Fi/4G Dongle Connection56
Third-Party RS485 Communication57
Online Monitoring System User Interface58
Using the Web Interface to Set Your Wi-Fi Password58
Dashboard (Monitor Tab)59
Data Tab60
Configuration Tab65
Overview66
Maintenance67
Firmware Updates68
Firmware Update Via EG4 Electronics App68
Firmware Update Via Hard-Wired Ethernet Connection68
Firmware Update Via Monitor Center (Website)70
Smartphone App Setup72
Local Monitoring Setup with the EG4 Monitor App73
Troubleshooting Wi-Fi Module73
Operation Guide74
Operation Mode and Function74
Self-Usage Mode74
Charge First Mode75
AC Charger Mode76
Grid Peak-Shaving Function76
Smart Load Function76
Rapid Shutdown (RSD)77
External RSD77
External RSD Wiring Instructions78
LCD Screen79
Viewing Information and Alarm Fault/Record79
Setting Parameters80
Inverter Start-Up and Shutdown Procedure84
Starting up the Inverter84
Shutting down the Inverter85
Troubleshooting & Maintenance85
Regular Maintenance85
LED Description85
Troubleshooting Based on LCD Screen86
Faults on the LCD and Fault List86
Alarm on the LCD and Alarm List88
Standards and Certifications90
Technical Specifications91

EG4 18KPV - Brief Introduction; System Diagrams

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