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 Product Introduction............................................................................................................................................................ 13

2.2 Appearance............................................................................................................................................................................. 16

2.3 Label Description.................................................................................................................................................................. 17

2.4 Working Principles................................................................................................................................................................ 19

2.4.1 Circuit Diagram.................................................................................................................................................................. 19

2.4.2 Working Modes.................................................................................................................................................................. 20

3 Inverter Storage..................................................................................................................... 22

4 Installation..............................................................................................................................24

4.1 Checking Before Installation............................................................................................................................................. 24

4.2 Tools.......................................................................................................................................................................................... 25

4.3 Determining the Installation Position............................................................................................................................ 26

4.4 Moving the Inverter............................................................................................................................................................. 31

4.5 Installing the Mounting Bracket...................................................................................................................................... 31

4.5.1 Support Mounting............................................................................................................................................................. 32

4.5.2 Wall Mounting....................................................................................................................................................................33

4.6 Installing the Inverter.......................................................................................................................................................... 34

5 Electrical Connections.......................................................................................................... 37

5.1 Precautions.............................................................................................................................................................................. 37

5.2 Preparing Cables................................................................................................................................................................... 38

5.3 Connecting the PE Cable.................................................................................................................................................... 41

5.4 Connecting an AC Output Power Cable........................................................................................................................ 43

5.5 Connecting DC Input Power Cables................................................................................................................................48

5.5.1 Cable Connection Description....................................................................................................................................... 48

5.5.2 Connecting Cables to Amphenol Helios H4 Terminals.........................................................................................50

Issue 18 (2024-03-10)

vii