Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
Contents 
About This Document .................................................................................................................... ii 
1 Safety Precautions ......................................................................................................................... 1 
2 Overview ......................................................................................................................................... 4 
2.1 Introduction .................................................................................................................................................................. 4 
2.2 Appearance ................................................................................................................................................................... 6 
2.3 Label Conventions ........................................................................................................................................................ 8 
2.4 Monitoring Panel ........................................................................................................................................................ 10 
2.5 Working Principles...................................................................................................................................................... 13 
3 SUN2000 Storage ......................................................................................................................... 17 
4 Installation.................................................................................................................................... 18 
4.1 Checking Before Installation ...................................................................................................................................... 18 
4.2 Tools ........................................................................................................................................................................... 20 
4.3 Determining the Installation Position ......................................................................................................................... 23 
4.4 Support-mounting the SUN2000 ................................................................................................................................ 27 
4.5 Wall-mounting the SUN2000...................................................................................................................................... 32 
5 Electrical Connections ................................................................................................................ 41 
5.1 Connecting PGND Cables .......................................................................................................................................... 41 
5.2 Connecting AC Output Power Cables ......................................................................................................................... 44 
5.3 Connecting DC Input Power Cables ........................................................................................................................... 51 
5.4 Connecting Communications Cables .......................................................................................................................... 57 
5.4.1 Communications Ports ............................................................................................................................................. 57 
5.4.2 Connecting RS485 Communications Cables ........................................................................................................... 59 
6 System Operation ........................................................................................................................ 64 
6.1 Checking Before Power-On ........................................................................................................................................ 64 
6.2 Powering On the SUN2000 ........................................................................................................................................ 64 
6.3 Setting Initialization Parameters ................................................................................................................................. 65 
7 Man-Machine Interaction .......................................................................................................... 68 
7.1 Monitoring Menu Hierarchy ....................................................................................................................................... 68 
7.2 Monitoring Operations ................................................................................................................................................ 71 
7.2.1 Viewing System Operating Information .................................................................................................................. 71