2 Overview ......................................................................................................................................... 4

2.1 Introduction .................................................................................................................................................................. 4

2.2 Appearance ................................................................................................................................................................... 6

2.3 Label Conventions ...................................................................................................................................................... 10

2.4 Working Process ......................................................................................................................................................... 14

3 Inverter Storage ........................................................................................................................... 17

4 Installation.................................................................................................................................... 18

4.1 Checking Before Installation ...................................................................................................................................... 18

4.2 Tools ........................................................................................................................................................................... 19

4.3 Wall-mounting the SUN2000 ..................................................................................................................................... 23

4.3.1 Determining the Installation Position ...................................................................................................................... 23

4.3.2 Moving the SUN2000 .............................................................................................................................................. 28

4.3.3 Installing a Rear Panel ............................................................................................................................................. 28

4.3.4 Installing the SUN2000 ........................................................................................................................................... 32

4.4 Support-mounting the SUN2000 ................................................................................................................................ 36

4.4.1 Determining the Installation Position ...................................................................................................................... 36

4.4.2 Moving the SUN2000 .............................................................................................................................................. 39

4.4.3 Installing a Rear Panel ............................................................................................................................................. 39

4.4.4 Installing the SUN2000 ........................................................................................................................................... 41

5 Electrical Connections ................................................................................................................ 42

5.1 Connecting PGND Cables .......................................................................................................................................... 42

5.2 Opening the Maintenance Compartment Door ........................................................................................................... 44

5.3 Installing AC Output Power Cables ............................................................................................................................ 46

5.4 Connecting DC Input Power Cables ........................................................................................................................... 51

5.5 Connecting Communications Cables .......................................................................................................................... 59

5.5.1 Communication Mode Description .......................................................................................................................... 59

5.5.2 Selecting a Communication Mode ........................................................................................................................... 60

5.5.3 Connecting RS485 Communications Cables ........................................................................................................... 60

5.6 Installation Verification ............................................................................................................................................... 66

Issue 04 (2016-06-20)

Huawei Proprietary and Confidential

Contents