Sungrow SG3425UD PV Inverter System Manuals

Manuals and User Guides for Sungrow SG3425UD PV Inverter System. We have 1 Sungrow SG3425UD PV Inverter System manual available for free PDF download: System Manual

Sungrow SG3425UD System Manual (110 pages)

Outdoor Inverter

Brand: Sungrow | Category: Inverter | Size: 20.75 MB

Table of Contents
3
About this Manual
9
Validity
9
Content
9
Target Group
9
Symbols Explanation
10
How to Use this Manual
11
Terminology
11
Safety Instructions
12
Intended Usage
12
Important Safety Instructions
12
General Safety Rules
13
Manual Storage
13
PV Arrays Hazards
14
Ground Fault Protection
14
Live Line Measurement
14
Measuring Instrument
14
Volt-Free Operations
15
ESD Protection
15
LCD Parameter Setting
15
Sand and Moisture Protection
15
Symbols on the Device Body
15
Safety Warning Signs
16
Daily Operation and Maintenance
16
Disposal of Waste
16
Manual Description
17
Product Description
18
Overall Design of the Inverter
18
Inverter Views
18
Mechanical Parameter
19
Ventilation Design
20
Interior Design of the Inverter
20
Internal Components
20
Internal Devices of the Inverter
21
Operations on the DC and AC Side
22
Delivery
25
Scope of Delivery
25
Identifying the Inverter
26
Checking for Transport Damages
26
Storage of the Inverter
26
Mechanical Installation
28
Transport
28
Hoisting the Inverter
30
Safety Precautions
30
Hoisting
31
Fastening of Connectors
33
Foundation
33
Selection of Installation Site
33
Foundation Requirements
33
Recommended Foundation Construction Plan
34
Other Precautions
35
Removing the Sealing Tapes
36
Clearance Requirement
36
Electrical Installation
37
Safety Instructions
37
Generals Rules
37
Preparation before Electrical Connections
39
Installation Tools
39
Opening the Inverter Door
40
Opening the Cable Entries
41
Checking the Cables
42
During Connection
42
Circuit Diagram and Cable Connection
42
Circuit Diagram
42
Cable Specifications
43
DC Connection
43
Checking before Connection
43
DC Cable Connection
43
AC Connection
47
Safety Notices
47
AC Connection Area on the Side
47
AC Connection Area at the Bottom
48
Communication Connection
51
Ground Connection
51
Finishing Electrical Connection
52
Closing the Inverter Door
54
Commissioning
55
Safety Instructions
55
Requirements of Commissioning
55
Checking before Commissioning
56
Checking the Cable Connection
56
Checking the Inverter Switches
56
Checking PV Array
56
Checking Grid Voltage
57
Preparation before Starting
57
LCD Parameter Setting
58
Completing Commissioning
58
Starting/Stopping
59
Starting
59
Inspection before Starting
59
Start Steps
59
Stopping
60
Normal Stop
60
Stop in Case of Fault
60
LCD Menu Operation
62
LCD Touchscreen
62
Default Screen
62
Initialization
62
Default Screen Introduction
62
Backlight and Screensaver
63
Overview of LCD Menu and Icon
63
Overview of Submenu and Icon
63
Layout of the Submenus
64
Entering Password
65
Language Setting
66
Conventional Way
66
Shortcut
66
Setting Date and Time
66
Checking Running Information
67
Checking History Information
67
Checking History Event
67
Checking History Data
68
Checking History Fault
68
Checking History Alarm
68
Checking Present Fault Information
68
Starting/Stopping
69
Loading Default
69
Checking Firmware Version
70
Parameters of LCD
70
Communication Parameters
70
Running Parameters
71
Protection Parameter
71
Main Functions
72
Operation Mode
72
Mode Change
72
Operation Mode Description
72
Active Power Limitation
74
Introduction to Active Power Limitation
74
How to Realize Power Limitation
74
Reactive Power Adjustment
74
Low Voltage Ride through (LVRT)
75
High Voltage Ride through (HVRT)
76
Mppt
77
Intelligent Temperature-Control Technology
77
Insulation Monitoring Function
78
Introduction
78
Simple Troubleshooting
78
Protection Function
78
DC Over-Voltage Protection
78
AC Over/Under-Voltage Protection
78
Frequency Anomaly Protection
79
Islanding Protection
79
Overload Protection
79
Ground Protection
79
Module Over-Temperature Protection
79
Internal Over-Temperature Protection
79
Troubleshooting
80
Safety Instructions
80
Checking Fault
80
Fault and Troubleshooting on the Inverter
81
Other Fault and Troubleshooting
92
Routine Maintenance
93
Overview
93
Safety Instructions
93
Maintenance
94
Overview
94
Introduction
94
Maintenance Interval
94
Cleaning the Inverter
98
Introduction
98
Cleaning Interval
99
Cleaning the Internal Dust
99
Cleaning the Foundation
99
Checking and Cleaning the Air Inlets/Outlets
99
Cleaning the Surface of the Inverter
100
Checking the Lock and Hinge
100
Checking the Sealing Strip
100
Painting Make-Up Measures
100
Replacing the Electrical Components
104
Safety Instructions
104
Replacing DC Fuses
104
Appendix
106
System Parameters
106
Tightening Torques
107
Exclusion of Liability
108
Contact Information
108

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