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

2.1 Product Overview ......................................................................................................................................................... 4

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

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

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

3 SUN2000 Storage ......................................................................................................................... 16

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

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

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

4.3 Determining the Installation Position ......................................................................................................................... 22

4.4 Moving the Inverter .................................................................................................................................................... 27

4.5 Installing the Mounting Bracket ................................................................................................................................. 28

4.5.1 Wall-mounted Installation ........................................................................................................................................ 29

4.5.2 Common Support-mounted Installation ................................................................................................................... 31

4.5.3 Tilted Support-mounted Installation ........................................................................................................................ 33

4.6 Installing the SUN2000 .............................................................................................................................................. 34

4.7 (Optional) Installing the DC Protection Shroud ......................................................................................................... 37

5 Connecting Cables ...................................................................................................................... 40

5.1 Preparing OT Terminals .............................................................................................................................................. 40

5.2 Connecting the Ground Cable ..................................................................................................................................... 41

5.2.1 Grounding the SUN2000 over a PE Point ............................................................................................................... 42

5.2.2 PV Side Grounding .................................................................................................................................................. 43

5.3 Opening the Maintenance Compartment Door ........................................................................................................... 44

5.4 Connecting AC Output Power Cables ......................................................................................................................... 46

5.4.1 Connection Through a Pipe ..................................................................................................................................... 46

5.4.2 Common Connection ............................................................................................................................................... 54

5.5 Connecting DC Input Power Cables ........................................................................................................................... 61

5.6 Connecting Communications Cables .......................................................................................................................... 71

5.6.1 Communication Mode Description .......................................................................................................................... 71

Issue 07 (2019-06-20)

Contents