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Huawei SUN2000-20KTL-M3 User Manual
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●
If an inverter has not been running f
or six months or longer after being
mounted, it may have failed and must be checked and tested b
y prof
essionals
befor
e being put into operation.
SUN2000-(20KTL, 29.9KTL
, 30KTL, 36KTL, 40KTL)-
M3
User Manual
3 Inverter Stor
age
Issue 18 (2024-03-10)
Copyright © Huawei T
echnologies Co., Ltd.
23
32
34
Table of Contents
About this Document
3
Table of Contents
8
1 Safety Information
11
Personal Safety
12
Electrical Safety
14
Environment Requirements
17
Mechanical Safety
18
2 Overview
23
Product Introduction
23
Appearance
26
Label Description
27
Working Principles
29
Circuit Diagram
29
Working Modes
30
3 Inverter Storage
32
4 Installation
34
Checking before Installation
34
Tools
35
Determining the Installation Position
36
Moving the Inverter
41
Installing the Mounting Bracket
41
Support Mounting
42
Wall Mounting
43
Installing the Inverter
44
5 Electrical Connections
47
Precautions
47
Preparing Cables
48
Connecting the PE Cable
51
Connecting an AC Output Power Cable
53
Connecting DC Input Power Cables
58
Cable Connection Description
58
Connecting Cables to Amphenol Helios H4 Terminals
60
Connecting Cables to Staubli MC4 Terminals
61
Optional) Installing the Smart Dongle
63
Connecting Signal Cables
65
Communication Modes
68
Optional) Connecting the RS485 Communications Cable to the SUN2000
70
Optional) Connecting the RS485 Communications Cable to the Power Meter
71
Optional) Connecting the Power Grid Scheduling Signal Cable
72
Optional) Connecting the Rapid Shutdown Signal Cable
73
6 Commissioning
74
Checking before Power-On
74
System Power-On
75
7 Human-Machine Interaction
77
Scenario in Which Sun2000S Are Connected to the Fusionsolar Smart PV Management System
78
Optional) Registering an Installer Account
78
Creating a PV Plant and a User
80
Smartlogger Networking
81
Scenario in Which Inverters Connect to Other Management Systems
81
Energy Control
81
Grid-Tied Point Control
81
Setting Feed-In at Limited Current
85
Connecting the App to the Inverter or Smart Dongle
86
Scenario Where the App Connects to the Smartlogger
87
Apparent Power Control on the Inverter Output Side
88
8 Maintenance
90
System Power-Off
90
Routine Maintenance
91
Alarm Reference
92
9 Handling the Inverter
93
Removing the SUN2000
93
Packing the SUN2000
93
Disposing of the SUN2000
93
10 Technical Specifications
94
A Grid Codes
105
B Device Commissioning
121
C Built-In PID Recovery
124
D Rapid Shutdown
125
E NS Protection
126
F Resetting a Password
127
G Setting Dry Contact Scheduling Parameters
128
H Afci
129
I PV String Access Detection
131
J Smart I-V Curve Diagnosis
134
K Locating Insulation Resistance Faults
135
L Contact Information
139
M Digital Power Customer Service
141
N Acronyms and Abbreviations
142
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Huawei SUN2000-20KTL-M3 Specifications
General
Brand
Huawei
Model
SUN2000-20KTL-M3
Category
Inverter
Language
English
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