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 ................................................................................................................................................. 7

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

1.7 Battery Safety ....................................................................................................................................................... 11

1.8 Others ..................................................................................................................................................................14

2 Overview ................................................................................................................................. 15

2.1 Model Number Description...................................................................................................................................15

2.2 Working Principle .................................................................................................................................................15

2.2.1 Conceptual Diagram ..........................................................................................................................................16

2.2.2 Working Modes .................................................................................................................................................16

2.2.2.1 Normal Mode .................................................................................................................................................16

2.2.2.2 Bypass Mode ..................................................................................................................................................17

2.2.2.3 Battery Mode ..................................................................................................................................................17

2.2.2.4 Joint Power Mode ...........................................................................................................................................18

2.2.2.5 Maintenance Bypass Mode .............................................................................................................................18

2.2.2.6 ECO Mode .....................................................................................................................................................19

2.3 Product Introduction .............................................................................................................................................20

2.3.1 Exterior .............................................................................................................................................................20

2.3.2 Structure ............................................................................................................................................................21

2.3.3 Power Module ...................................................................................................................................................22

2.3.4 Bypass Module ..................................................................................................................................................24

2.3.5 Power Distribution Module ................................................................................................................................26

2.3.6 Monitoring System ............................................................................................................................................26

2.3.6.1 Overview ........................................................................................................................................................26

2.3.6.2 Working Principle ...........................................................................................................................................28

2.3.6.3 ECM...............................................................................................................................................................29

2.3.6.4 Dry contact card .............................................................................................................................................31

Issue 03 (2020-01-10)

Contents