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Figure 5-8
F
our
-core cable (L1, L2, L3, and PE)
Figure 5-9
F
our
-core cable (L1, L2, L3, and N)
SUN2000-(50KTL
-ZHM3, 50KTL
-M3)
User Manual
5 Electrical Connections
Issue 05 (2023-02-28)
Copyright © Huawei T
echnologies Co., Ltd.
42
49
51
Table of Contents
Main Page
About this Document
3
Table of Contents
6
Safety Information
9
Personal Safety
10
Electrical Safety
12
Environment Requirements
14
Mechanical Safety
16
Overview
21
Product Introduction
21
Appearance
23
Label Description
24
Working Principles
26
Circuit Diagram
26
Working Modes
26
SUN2000 Storage
28
Installation
29
Checking before Installation
29
Tool Preparation
30
Selecting an Installation Position
31
Moving the SUN2000
35
Installing the Mounting Bracket
36
Support-Mounted Installation
37
Wall-Mounted Installation
38
Installing a SUN2000
39
Electrical Connections
41
Precautions
41
Preparing Cables
42
Connecting the PE Cable
44
Connecting the AC Output Power Cable
46
Installing the DC Input Power Cable
52
Optional) Installing the Smart Dongle
55
Connecting the Signal Cable
57
Communication Modes
59
Optional) Connecting the RS485 Communications Cable to the SUN2000
61
Optional) Connecting the RS485 Communications Cable to the Power Meter
62
Optional) Connecting the Power Grid Scheduling Signal Cable
63
Optional) Connecting the Rapid Shutdown Signal Cable
64
Commissioning
66
Checking before Power-On
66
System Power-On
67
Man-Machine Interaction
69
Scenario in Which Sun2000S Are Connected to the Fusionsolar Smart PV Management System
70
Optional) Registering an Installer Account
70
Creating a PV Plant and a User
71
Smartlogger Networking Scenario
71
Scenario in Which Sun2000S Are Connected to Other Management Systems
72
Energy Control
72
Grid-Tied Point Control
72
Apparent Power Control on the Inverter Output Side
77
Maintenance
78
System Power-Off
78
Routine Maintenance
79
Troubleshooting
80
Replacing a Fan
91
Handling the Inverter
94
Removing the SUN2000
94
Packing the SUN2000
94
Disposing of the SUN2000
94
Technical Specifications
95
A Grid Codes
104
B Device Commissioning
109
C Built-In PID Recovery
112
D Resetting Password
113
E Setting Dry Contact Scheduling Parameters
114
F Afci
115
G Rapid Shutdown
117
H NS Protection
118
I Smart I-V Curve Diagnosis
119
J Locating Insulation Resistance Faults
120
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