Sungrow SG1250UD - Installation Manual

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SG1250UD_SG1500UD-V21-IEN-Ver12-201910

SG1250UD/SG1500UD

Outdoor Central Inverter

Installation Manual

Main Page

Table of Contents3
About this Manual7
Validity7
Brief Introduction7
Target Group8
How to Use this Manual8
Symbol Explanation8
Safety Instructions10
Intended Use10
Safety Use Description10
Manual Storage11
Staff Requirements11
Labels on the Inverter11
Warning Label Setting11
Emergency Escape Route12
PV Array Protection12
Electrical Connection12
Measuring Instrument12
Voltage-Free Operation13
ESD Protection13
Moisture Protection13
Disposal of Waste13
Others13
Delivery15
Scope of Delivery15
Nameplate Identification15
Inverter Storage16
Product Description17
Exterior Description17
Inverter Appearance17
Ventilation Design18
Cable Entry Design19
Main Circuit Diagram20
Installation Design21
Selecting Installation Location21
Basic Requirements21
Requirements for Installation Environment21
Requirements for Foundation and Clearance21
Installation Environment Design21
Irradiation Requirements21
Air Requirement21
Foundation Requirements22
Clearance Requirement23
Cable Trench Design24
Ventilation Requirements24
Others25
Cable Routing Requirement25
Cable Fastening and Protection26
Cable Fastening26
Cable Protection26
Mechanical Installation27
Transport27
Precautions27
Transport28
Installation29
Electrical Connection31
Safety Instructions31
General Safety Rules31
Five Safety Rules31
Installation Tools and Spare Parts32
Cable Connection32
Preparation before Electrical Connection32
Opening the Front Door32
Removing the Protective Grid32
Check Connection Cable33
Cable Connection Precautions33
Cable Entry Holes33
Overview of the Connection Area34
Cable Requirements34
DC Side Cable Connection35
Cable Check35
Cable Connection Area36
DC Side Cable Connection37
AC Side Cable Connection38
Safety Precautions38
Cable Routing38
Cable Connection39
Grounding Connection41
Description of Grounding Terminal42
Grounding of the Shielding Layer of Communication Cable42
Communication Cable Connection42
Introduction42
RS485 Communication Solution42
Ethernet Communication Solution45
Supply Modes46
Introduction46
Internal Power Supply47
External Power Supply (Optional)47
Closing the Cable Entrance47
Installation Checklist48
Commissioning49
Commissioning Requirements49
Check before Commissioning49
Cable Connection Check49
Inverter Check49
PV Array Check50
Grid Voltage Check50
Preparation for Starting51
Starting51
LCD Parameter Setting51
Commissioning Completion52
Appendix53
Technical Parameters53
Electrical Parameters53
Mechanical Parameters53
System Parameters53

Sungrow SG1250UD - Installation Manual

Table of Contents

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