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Huawei SUN2000-75KTL Series User Manual
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Figure 5-33
Connecting RS485 communications cables (4–8 mm f
our
-hole rubber
plug)
Figure 5-34
Connecting RS485 communications cables (4–8 mm two-hole or
three-hole rubber plug)
SUN2000-(75KTL, 100KTL
, 110KTL, 125KTL) Series
User Manual
5 Electrical Connections
Issue 15 (2023-01-31)
Copyright © Huawei T
echnologies Co., Ltd.
77
86
88
Table of Contents
About this Document
3
Table of Contents
8
Safety Information
11
Personal Safety
12
Electrical Safety
14
Environment Requirements
16
Mechanical Safety
18
Overview
23
Product Model
23
Overview
25
Label Description
27
Product Appearance
28
Appearance
29
Indicator Status
32
Working Principles
34
Circuit Diagram
35
Working Modes
36
Solar Inverter Storage
38
Installation
40
Check before Installation
40
Tools
41
Determining the Installation Position
43
Installing the Mounting Bracket
47
Support-Mounted Installation
48
Wall-Mounted Installation
49
Installing a Solar Inverter
50
Electrical Connections
55
Precautions
55
Preparing Cables
55
Connecting the PE Cable
65
Opening the Maintenance Compartment Door
66
Optional) Installing the Power Cable of the Tracking System
69
Connecting an AC Output Power Cable
70
Connecting DC Input Power Cables
76
Cable Connection Description
76
Connecting Cables to Amphenol Helios H4 Connectors
78
Connecting Cables to Staubli MC4 Connectors
82
Connecting the RS485 Communications Cables
85
Commissioning
88
Check before Power-On
88
Powering on the SUN2000
88
Man-Machine Interactions
91
Operations with the SUN2000 App
91
App Introduction
91
Downloading and Installing the App
92
Logging in to the App
93
Operations Related to the Advanced User
100
Setting Grid Parameters
100
Setting Protection Parameters
101
Setting Feature Parameters
101
Built-In PID Recovery
105
Afci
107
Operations Related to the Special User
108
Setting Grid Parameters
108
Setting Protection Parameters
110
Setting Feature Parameters
112
Setting Power Adjustment Parameters
116
Optional) Installing a Smart Dongle
121
Upgrading the Inverter
121
Maintenance
123
Shutdown and Power-Off
123
Power-Off for Troubleshooting
124
Routine Maintenance
126
Troubleshooting
127
Replacing a Fan
140
Resetting and Turning on the DC Switch
144
Handling the Inverter
145
Removing the SUN2000
145
Packing the SUN2000
145
Disposing of the SUN2000
145
Technical Specifications
146
A Grid Codes
151
B Resetting Password
162
C Domain Name List of Management Systems
163
D Contact Information
164
E Acronyms and Abbreviations
166
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Huawei SUN2000-75KTL Series Specifications
General
Brand
Huawei
Model
SUN2000-75KTL Series
Category
Inverter
Language
English
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