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

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

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

2.3 Label Description ........................................................................................................................................................ 10

2.4 Working Principle ....................................................................................................................................................... 13

3 Inverter Storage ........................................................................................................................... 16

4 System Installation ..................................................................................................................... 17

4.1 Checking Before Installation ...................................................................................................................................... 17

4.2 Tools ........................................................................................................................................................................... 18

4.3 Wall-mounting the SUN2000...................................................................................................................................... 22

4.3.1 Determining the Installation Position ...................................................................................................................... 22

4.3.2 Moving the Inverter ................................................................................................................................................. 26

4.3.3 Installing the Mounting Bracket .............................................................................................................................. 27

4.3.4 Installing the SUN2000 ........................................................................................................................................... 30

4.4 Support-mounting the SUN2000 ................................................................................................................................ 34

4.4.1 Determining the Installation Position ...................................................................................................................... 34

4.4.2 Moving the Inverter ................................................................................................................................................. 36

4.4.3 Installing the Mounting Bracket .............................................................................................................................. 36

4.4.4 Installing the SUN2000 ........................................................................................................................................... 38

5 Connecting Cables ...................................................................................................................... 39

5.1 Opening the Maintenance Compartment Door ........................................................................................................... 39

5.2 Connecting the Ground Cable (PE) ............................................................................................................................ 41

5.3 Connecting AC Output Power Cables ......................................................................................................................... 43

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

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

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

5.5.2 Connecting RS485 Communications Cables ........................................................................................................... 61

5.5.3 (Optional) Connecting FE Communications Cables ................................................................................................ 67

5.6 Closing the Maintenance Compartment Door ............................................................................................................ 71

Issue 07 (2018-05-04)

Huawei Proprietary and Confidential

Contents