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

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

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

2.3 Label Description .......................................................................................................................................................... 9

2.3.1 Enclosure Labels ........................................................................................................................................................ 9

2.3.2 Product Nameplate ................................................................................................................................................... 11

2.4 Working Principles ..................................................................................................................................................... 12

2.4.1 Conceptual Diagram ................................................................................................................................................ 12

2.4.2 Working Modes ........................................................................................................................................................ 13

3 Storage ........................................................................................................................................... 15

4 Installation.................................................................................................................................... 16

4.1 Checking Before Installation ...................................................................................................................................... 16

4.2 Tools ........................................................................................................................................................................... 17

4.3 Determining the Installation Position ......................................................................................................................... 18

4.3.1 Environment Requirements ..................................................................................................................................... 18

4.3.2 Space Requirements ................................................................................................................................................. 19

4.4 Installing the Mounting Bracket ................................................................................................................................. 22

4.4.1 Support-mounted Installation .................................................................................................................................. 23

4.4.2 Wall-mounted Installation ........................................................................................................................................ 25

4.5 Installing the SUN2000 .............................................................................................................................................. 27

5 Electrical Connections ................................................................................................................ 32

5.1 Precautions .................................................................................................................................................................. 32

5.2 Crimping the OT Terminal .......................................................................................................................................... 32

5.3 Opening the Maintenance Compartment Door ........................................................................................................... 34

5.4 Installing the AC Output Power Cable ........................................................................................................................ 37

5.5 Connecting DC Input Power Cables ........................................................................................................................... 45

5.6 Installing the Communications Cable ......................................................................................................................... 51

5.6.1 Communication Mode Description .......................................................................................................................... 51

5.6.2 Installing the RS485 Communications Cable .......................................................................................................... 53

Issue 03 (2019-07-30)

Contents