1.1 General Safety.......................................................................................................................................................................... 1

1.2 Personnel Requirements....................................................................................................................................................... 4

1.3 Electrical Safety........................................................................................................................................................................ 4

1.4 Installation Environment Requirements.......................................................................................................................... 6

1.5 Mechanical Safety................................................................................................................................................................... 8

1.6 Device Running Safety........................................................................................................................................................ 10

1.7 Battery Safety......................................................................................................................................................................... 12

1.8 Others....................................................................................................................................................................................... 15

2 Overview................................................................................................................................. 16

2.1 Model Description................................................................................................................................................................ 16

2.2 Working Principle.................................................................................................................................................................. 17

2.2.1 Conceptual Diagram.........................................................................................................................................................17

2.2.2 Working Modes.................................................................................................................................................................. 18

2.2.2.1 Normal Mode.................................................................................................................................................................. 18

2.2.2.2 Bypass Mode.................................................................................................................................................................... 18

2.2.2.3 Battery Mode................................................................................................................................................................... 19

2.2.2.4 Joint Power Mode.......................................................................................................................................................... 20

2.2.2.5 Maintenance Bypass Mode......................................................................................................................................... 21

2.2.2.6 ECO Mode......................................................................................................................................................................... 22

2.3 Product Introduction............................................................................................................................................................ 23

2.3.1 Structure............................................................................................................................................................................... 23

2.3.2 Power Module.................................................................................................................................................................... 30

2.3.3 Bypass Module................................................................................................................................................................... 31

2.3.4 Control Module.................................................................................................................................................................. 34

2.3.4.1 Overview........................................................................................................................................................................... 34

2.3.4.2 ECM..................................................................................................................................................................................... 35

2.3.4.3 Dry contact card............................................................................................................................................................. 37

2.3.4.4 Monitoring interface card........................................................................................................................................... 39

2.3.5 MDU....................................................................................................................................................................................... 44

2.4 Typical configurations......................................................................................................................................................... 46

Issue 11 (2020-12-07)