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

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

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

2.3 Label Description .......................................................................................................................................................... 8

2.3.1 Enclosure Labels ........................................................................................................................................................ 8

2.3.2 Product Nameplate ................................................................................................................................................... 10

2.4 Working Principles...................................................................................................................................................... 11

2.4.1 Conceptual Diagram ................................................................................................................................................ 11

2.4.2 Working Modes ........................................................................................................................................................ 12

3 Storage ........................................................................................................................................... 14

4 Installation.................................................................................................................................... 15

4.1 Checking Before Installation ...................................................................................................................................... 15

4.2 Tools ........................................................................................................................................................................... 16

4.3 Determining the Installation Position ......................................................................................................................... 17

4.3.1 Environment Requirements ..................................................................................................................................... 17

4.3.2 Space Requirements ................................................................................................................................................. 18

4.4 Installing the Mounting Bracket ................................................................................................................................. 21

4.4.1 Support-mounted Installation .................................................................................................................................. 22

4.4.2 Wall-mounted Installation ........................................................................................................................................ 24

4.5 Installing the SUN2000 .............................................................................................................................................. 26

5 Electrical Connections ................................................................................................................ 31

5.1 Precautions .................................................................................................................................................................. 31

5.2 Crimping the OT Terminal .......................................................................................................................................... 31

5.3 Opening the Maintenance Compartment Door ........................................................................................................... 32

5.4 Installing the AC Output Power Cable ........................................................................................................................ 35

5.5 Connecting DC input power cables ............................................................................................................................ 42

5.6 Installing the Communications Cable ......................................................................................................................... 48

5.6.1 Communication Mode Description .......................................................................................................................... 48

5.6.2 Installing the RS485 Communications Cable .......................................................................................................... 50

Issue 02 (2018-10-15)

Contents