1.1 Personal Safety.........................................................................................................................................................................2

1.2 Electrical Safety........................................................................................................................................................................ 4

1.3 Environment Requirements................................................................................................................................................. 7

1.4 Mechanical Safety................................................................................................................................................................... 9

1.5 Equipment Safety.................................................................................................................................................................. 13

1.5.1 ESS Safety.............................................................................................................................................................................14

1.5.2 Battery Safety..................................................................................................................................................................... 14

2 Routine Maintenance........................................................................................................... 21

2.1 Preparations Before Maintenance................................................................................................................................... 21

2.2 Powering Off a Single ESS................................................................................................................................................. 22

2.2.1 Sending a Shutdown Command on the SmartLogger..........................................................................................22

2.2.2 Power-Off Process............................................................................................................................................................. 22

2.2.3 Powering Off ESS Devices.............................................................................................................................................. 23

2.2.4 Powering Off the Power Supply Loop of the AC Power Distribution Cabinet............................................. 24

2.3 Routine Maintenance.......................................................................................................................................................... 24

2.3.1 Unscheduled Maintenance............................................................................................................................................. 24

2.3.2 Quarterly Maintenance................................................................................................................................................... 25

2.3.3 Semi-annual Maintenance............................................................................................................................................. 26

2.3.4 Annual Maintenance........................................................................................................................................................ 27

3 Alarm Reference.................................................................................................................... 28

4 Replacing a Battery Pack.....................................................................................................70

5 Replacing a Battery Management Module..................................................................... 78

6 Replacing a Battery Pack Fan............................................................................................. 85

7 Replacing a Rack Controller Fan....................................................................................... 86

8 Replacing an Air Conditioner............................................................................................. 92

8.1 Replacing an Air Conditioner Internal Fan...................................................................................................................92

8.2 Replacing an Air Conditioner External Fan.................................................................................................................. 95

8.3 Replacing an Air Conditioner Main Control Board....................................................................................................97

Issue 02 (2023-02-28)