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Sungrow SG250K3 Grid-Connected Inverter Manuals
Manuals and User Guides for Sungrow SG250K3 Grid-Connected Inverter. We have
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Sungrow SG250K3 Grid-Connected Inverter manual available for free PDF download: Operation Manual
Sungrow SG250K3 Operation Manual (66 pages)
Grid-Connected Inverter
Brand:
Sungrow
| Category:
Inverter
| Size: 1.62 MB
Table of Contents
Table of Contents
5
1 Safety Instructions
10
Service Safety
12
Open the Door of SG250K3
12
2 Introduction
14
PV Generation System
14
Figure 2-1 PV Generation System with SG250K3
14
Basic Structure
15
Figure 2-2 Simple Circuit Diagram of SG250K3
15
Status and Control Elements
16
The LED Indicators
16
Figure 2-3 External Appearance of SG250K3
16
Table 2-1 Data and Control Components
16
Table 2-2 Large LED Definitions
16
Functions of the Touch Screen
17
Emergency Stop Button
17
Start/Stop Switch
17
DC Breaker
17
AC Breaker
17
3 Commissioning
19
Visual Inspection
19
AC Connection Check
19
DC Connection Check
19
Ground Connection Check
19
Serial Communication Check (Optional)
19
Start the Inverter
20
How to Restart after Using the Emergency Stop Button
20
4 Operation
22
Operation Modes
22
Modes Transition
23
Figure 4-1 Transition of Operation States
23
Table 4-1 State Explanations of SG250K3
23
5 Data Interface
25
LED Indicators
25
Figure 5-1 SG250K3 Data Interface
25
Table 5-1 Meaning of LED Indicators
25
Touch Screen Control Panel
26
The Background Illumination
26
Figure 5-2 Touch Screen Panel
26
6 Touch Screen Control Menu
28
Default Menu (Main Window)
29
Start the Inverter
30
Stop the Inverter
32
Check Running Data
34
Check History Data
37
Table 6-3 Explanations of Faults
39
Entering the Password
40
Change Display Language
42
Change System Time
44
Parameters Adjustment
46
Generated Energy Adjustment
46
Load Default Setup
48
Set Running Parameters
50
Protection Parameter Limit
52
Communication Parameter Setup
54
7 Maintenance
57
Table 7-1 Maintenance Period
57
8 Troubleshooting
59
LED Indicated Fault Troubleshooting
59
Table 8-1 LED States During Normal Working
59
Table 8-2 LED Fault and Simple Troubleshooting
59
Touch Screen Displayed Fault Troubleshooting
60
Table 8-3 Displayed Fault Description and Troubleshooting
60
9 Appendix A: Technical Data
63
Input Parameters
63
Output Parameters
63
Efficiency
63
Mechanical Parameters
63
Environmental Parameters
64
Features
64
Exclusion of Liability
65
10 Appendix B
65
About Us
66
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