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 .......................................................................................................................................... 9

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

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

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

2.1 Model 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 ..................................................................................................................................................18

2.2.2.4 Maintenance Bypass Mode .............................................................................................................................19

2.2.2.5 ECO Mode .....................................................................................................................................................20

2.3 Product Introduction .............................................................................................................................................22

2.3.1 Structure ............................................................................................................................................................22

2.3.2 Power Module ...................................................................................................................................................23

2.3.3 Bypass Module ..................................................................................................................................................24

2.3.4 Power Distribution Module ................................................................................................................................26

2.3.5 Control Module .................................................................................................................................................26

2.3.5.1 Overview ........................................................................................................................................................26

2.3.5.2 ECM...............................................................................................................................................................27

2.3.5.3 Dry contact card .............................................................................................................................................29

2.3.5.4 Monitoring interface card ................................................................................................................................31

2.3.6 MDU .................................................................................................................................................................36

2.4 Typical configurations ..........................................................................................................................................38

Issue 01 (2020-04-27)

Contents