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SG250HX

Sungrow SG250HX User Manual

Name: Sungrow SG250HX
Brand: Sungrow
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119 pages

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SG250HXPV Grid-Connected InverterUser ManualSG250HX–UEN-Ver26-202306

User Manual

PV Grid-Connected Inverter

SG250HX

SG250HX–UEN-Ver26-202306

All Rights Reserved3
About this Manual4
Table of Contents6
Safety Instructions10
Unpacking and Inspection11
Installation Safety11
Electrical Connection Safety12
Operation Safety13
Maintenance Safety14
Disposal Safety15
Product Description16
System Introduction16
Product Introduction17
Symbols on Product19
LED Indicator19
DC Switch20
Circuit Diagram21
Function Description22
Unpacking and Storage25
Unpacking and Inspection25
Lieferumfang26
Inverter Storage26
Mechanical Mounting28
Safety During Mounting28
Location Requirements29
Environment Requirements29
Carrier Requirements30
Angle Requirements31
Clearance Requirements31
Installation Tools33
Moving Inverter34
Manual Transport35
Hoisting Transport35
Installing Mounting-Bracket37
PV Bracket-Mounted Installation37
Wall-Mounted Installation38
Installing the Inverter40
Electrical Connection42
Safety Instructions42
Terminal Description44
Electrical Connection Overview46
Crimp OT/DT Terminal49
External Protective Grounding Connection50
External Protective Grounding Requirements51
Connection Procedure51
Opening the Wiring Compartment52
AC Cable Connection53
AC-Side Requirements53
Requirements for OT/DT Terminal55
Connection Procedure56
DC Cable Connection59
PV Input Configuration60
Y Terminal Connection61
Assembling PV Connectors62
Installing PV Connector65
Wiring of Tracking System Power Cable (Optional)66
RS485 Connection69
Interface Description69
RS485 Communication System70
Connection Procedure(Terminal Block)72
PLC Communication Connection74
Dry Contact Connection74
Dry Contact Function74
Wiring Procedure76
Closing the Wiring Compartment76
Commissioning77
Inspection before Commissioning77
Commissioning Procedure77
Isolarcloud App79
Brief Introduction79
Installing App79
Function Overview80
Login80
Requirements80
Login Procedure81
Home84
Run Information86
Records87
More90
System Parameters90
Operation Parameters91
Power Regulation Parameters92
Communication Parameters96
Firmware Update97
Password Changing98
System Decommissioning99
Disconnecting Inverter99
Dismantling the Inverter99
Disposal of Inverter100
Troubleshooting and Maintenance102
Troubleshooting102
Maintenance110
Maintenance Notices110
Routine Maintenance111
Cleaning Air Inlet and Outlet111
Fan Maintenance111
Appendix114
Technical Data114
Wring Distance of DI Dry Contact115
Quality Assurance117
Contact Information117

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Sungrow SG250HX Specifications

General

Brand	Sungrow
Model	SG250HX
Category	Inverter
Language	English

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Sungrow SG250HX User Manual

Table of Contents

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Sungrow SG250HX Specifications

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