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 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 Joint Power Mode ...........................................................................................................................................19

2.2.2.5 Maintenance Bypass Mode .............................................................................................................................20

2.2.2.6 ECO Mode .....................................................................................................................................................21

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

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

2.3.2 Power Module ...................................................................................................................................................25

2.3.3 Bypass Module ..................................................................................................................................................27

2.3.4 Control Module .................................................................................................................................................28

2.3.4.1 Overview ........................................................................................................................................................28

2.3.4.2 ECM...............................................................................................................................................................29

2.3.4.3 Dry contact card .............................................................................................................................................31

2.3.4.4 Monitoring interface card ................................................................................................................................33

2.3.5 MDU .................................................................................................................................................................38

2.4 Typical configurations ..........................................................................................................................................40

Issue 02 (2020-01-10)

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