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

2 Overview ....................................................................................................................................... 14

2.1 Model Description ...................................................................................................................................................... 14

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

2.2.1 Conceptual Diagram ................................................................................................................................................ 15

2.2.2 Working Modes ........................................................................................................................................................ 15

2.2.2.1 Normal Mode ........................................................................................................................................................ 15

2.2.2.2 Bypass Mode ........................................................................................................................................................ 16

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

2.2.2.4 Maintenance Bypass Mode ................................................................................................................................... 18

2.2.2.5 ECO Mode ............................................................................................................................................................ 19

2.3 Product Introduction ................................................................................................................................................... 21

2.3.1 Structure ................................................................................................................................................................... 21

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

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

2.3.4 Surge Protective Module.......................................................................................................................................... 25

2.3.5 Control Module ........................................................................................................................................................ 25

2.3.5.1 Overview .............................................................................................................................................................. 25

2.3.5.2 ECM...................................................................................................................................................................... 26

2.3.5.3 Dry contact card .................................................................................................................................................... 28

2.3.5.4 Monitoring interface card ..................................................................................................................................... 30

2.3.6 MDU ........................................................................................................................................................................ 35

2.4 Typical configurations ................................................................................................................................................ 37

2.4.1 Single UPS ............................................................................................................................................................... 37

Issue 06 (2019-12-13)

Contents