Name: Huawei SUN2000-75KTL Series
Brand: Huawei
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E Acronyms and Abbreviations

CEC California Energy

Commission

CPV Concentrated

Photovoltaics technology

LED light emitting diode

MBUS monitoring bus

MPP maximum power point

MPPT maximum power point

tracking

PID potential induced

degradation

PV photovoltaic

SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series

User Manual E Acronyms and Abbreviations

About this Document3
Table of Contents8
Safety Information11
Personal Safety12
Electrical Safety14
Environment Requirements16
Mechanical Safety18
Overview23
Product Model23
Overview25
Label Description27
Product Appearance28
Appearance29
Indicator Status32
Working Principles34
Circuit Diagram35
Working Modes36
Solar Inverter Storage38
Installation40
Check before Installation40
Tools41
Determining the Installation Position43
Installing the Mounting Bracket47
Support-Mounted Installation48
Wall-Mounted Installation49
Installing a Solar Inverter50
Electrical Connections55
Precautions55
Preparing Cables55
Connecting the PE Cable65
Opening the Maintenance Compartment Door66
Optional) Installing the Power Cable of the Tracking System69
Connecting an AC Output Power Cable70
Connecting DC Input Power Cables76
Cable Connection Description76
Connecting Cables to Amphenol Helios H4 Connectors78
Connecting Cables to Staubli MC4 Connectors82
Connecting the RS485 Communications Cables85
Commissioning88
Check before Power-On88
Powering on the SUN200088
Man-Machine Interactions91
Operations with the SUN2000 App91
App Introduction91
Downloading and Installing the App92
Logging in to the App93
Operations Related to the Advanced User100
Setting Grid Parameters100
Setting Protection Parameters101
Setting Feature Parameters101
Built-In PID Recovery105
Afci107
Operations Related to the Special User108
Setting Grid Parameters108
Setting Protection Parameters110
Setting Feature Parameters112
Setting Power Adjustment Parameters116
Optional) Installing a Smart Dongle121
Upgrading the Inverter121
Maintenance123
Shutdown and Power-Off123
Power-Off for Troubleshooting124
Routine Maintenance126
Troubleshooting127
Replacing a Fan140
Resetting and Turning on the DC Switch144
Handling the Inverter145
Removing the SUN2000145
Packing the SUN2000145
Disposing of the SUN2000145
Technical Specifications146
A Grid Codes151
B Resetting Password162
C Domain Name List of Management Systems163
D Contact Information164
E Acronyms and Abbreviations166

Huawei SUN2000-75KTL Series User Manual

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Brand	Huawei
Model	SUN2000-75KTL Series
Category	Inverter
Language	English