1.1 Personal Safety.........................................................................................................................................................................2

1.2 Electrical Safety........................................................................................................................................................................ 4

1.3 Environment Requirements................................................................................................................................................. 7

1.4 Mechanical Safety................................................................................................................................................................... 8

2 Overview................................................................................................................................. 13

2.1 Models...................................................................................................................................................................................... 13

2.2 Product Introduction............................................................................................................................................................ 15

2.3 Product Appearance............................................................................................................................................................. 17

2.3.1 Appearance.......................................................................................................................................................................... 17

2.3.2 Indicator Status.................................................................................................................................................................. 21

2.3.3 Label Description............................................................................................................................................................... 23

2.4 Working Principles................................................................................................................................................................ 24

2.4.1 Circuit Diagram.................................................................................................................................................................. 24

2.4.2 Working Modes.................................................................................................................................................................. 25

2.5 Smart I-V Curve Diagnosis................................................................................................................................................. 27

3 Storage..................................................................................................................................... 28

4 Installation..............................................................................................................................30

4.1 Checking Before Installation............................................................................................................................................. 30

4.2 Tool Preparation.................................................................................................................................................................... 30

4.3 Determining the Installation Position............................................................................................................................ 32

4.4 Installing the Mounting Bracket...................................................................................................................................... 36

4.4.1 Support-Mounted Installation.......................................................................................................................................37

4.4.2 Wall-Mounted Installation............................................................................................................................................. 38

4.5 Installing the SUN2000....................................................................................................................................................... 39

5 Electrical Connections.......................................................................................................... 44

5.1 Precautions.............................................................................................................................................................................. 44

5.2 Preparing Cables................................................................................................................................................................... 45

5.2.1 MBUS Communication.................................................................................................................................................... 45

5.2.2 RS485 Communication.................................................................................................................................................... 49

Issue 16 (2023-12-20)