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................................................................................................................................................................... 8

1.6 Cooling System Safety.........................................................................................................................................................10

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

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

2 O&M Preparations.................................................................................................................15

2.1 O&M Personnel Skill Requirements................................................................................................................................15

2.2 Tools.......................................................................................................................................................................................... 15

2.3 Reference Documentation................................................................................................................................................. 18

3 Routine Maintenance........................................................................................................... 20

3.1 Overview.................................................................................................................................................................................. 20

3.2 Routine Maintenance Checklist....................................................................................................................................... 21

3.3 Monthly Maintenance......................................................................................................................................................... 23

3.4 Quarterly Maintenance....................................................................................................................................................... 28

3.5 Semiannual Maintenance.................................................................................................................................................. 36

3.6 Annual Maintenance........................................................................................................................................................... 48

4 Alarms and Troubleshooting.............................................................................................. 50

4.1 Alarm handling flowchart.................................................................................................................................................. 51

4.2 Viewing and Collecting Alarm Information................................................................................................................. 51

4.3 Determining the Faulty Area and Alarm Severity..................................................................................................... 52

4.4 Locating and Rectifying Faults......................................................................................................................................... 52

5 Parts Replacement................................................................................................................ 54

5.1 CommonECC800-Pro Operations.................................................................................................................................... 54

5.1.1 Preparations and WebUI Login..................................................................................................................................... 54

5.1.2 Performing Startup Password Authentication......................................................................................................... 57

5.1.3 Synchronizing the Configuration Parameters.......................................................................................................... 59

Issue 01 (2020-12-25)