SAJ HS2/AS2 Series, User Manual, Page: 3 / 43

HS2/AS2 Series
1. SAFETY PRECAUTIONS .......................................................................................................................... 1
1.1 Scope of Application ........................................................................................................................................................ 2
1.2 Safety Instructions ............................................................................................................................................................ 2
1.3 Target Group ....................................................................................................................................................................... 2
2. PREPARATION ......................................................................................................................................... 3
2.1 Safety Instructions ............................................................................................................................................................ 4
2.2 Explanations Of Symbols ................................................................................................................................................ 5
2.3 Battery Handling ............................................................................................................................................................... 6
2.4 Emergency Situation ........................................................................................................................................................ 6
3. PRODUCT INFORMATION ...................................................................................................................... 9
3.1 Application Scope of Products ................................................................................................................................... 10
3.2 Specification for Product Model ................................................................................................................................ 10
3.3 Overview of Productsl ................................................................................................................................................... 10
3.4 Terminals Description .................................................................................................................................................... 11
3.5 Datasheet ........................................................................................................................................................................... 14
4. INSTRUCTIONS FOR INSTALLATION ..................................................................................................17
4.1 Unpacking and Inspection ........................................................................................................................................... 18
4.1.1 Checking the Package....................................................................................................................... 18
4.1.2 Scope of Delivery ................................................................................................................................ 18
4.2 Installation and Position ............................................................................................................................................... 20
4.2.1 Installation Position and Clearance ............................................................................................. 20
4.2.2 Mounting Method ............................................................................................................................... 21
4.3 Mounting Procedure ...................................................................................................................................................... 22
4.3.1 Installation Tools ................................................................................................................................. 22
4.3.2 Mounting Procedure .......................................................................................................................... 23
5. ELECTRICAL CONNECTION ................................................................................................................. 33
5.1 Additional Grounding Cable ....................................................................................................................................... 34
5.2 AC Grid Wire and Backup Output Connection .................................................................................................... 36
5.2.1 Earth Fault Alarm ................................................................................................................................ 38
5.2.2 External AC Circuit Breaker and Residual Current Device .................................................. 38
5.2.3 Multiple Inverter Combinations ..................................................................................................... 39
5.3 PV Side Connection........................................................................................................................................................ 40
5.4 Communication Connection ....................................................................................................................................... 43
5.5 Connection Battery COMM Cable ............................................................................................................................ 46
5.6 Connecting Battery Power Cable ............................................................................................................................. 47
5.7 System Connection ...................................................................................................................................................... 48
5.8 System Connection Diagram ...................................................................................................................................... 52
5.9 Installation of Side Covers of Battery Unit ........................................................................................................... 53
5.10 AFCI (Optional) .............................................................................................................................................................. 54
6. COMMISSIONING ................................................................................................................................... 55
6.1 Start Up and Shut Down the Energy Storage System ..................................................................................... 56
6.1.1 Start Up .................................................................................................................................................. 56
6.1.2 Shut Down ............................................................................................................................................. 56
6.2 Introduction of Human-computer Interface ........................................................................................................ 57
6.3 Commissioning ................................................................................................................................................................. 59
6.4 eSAJ APP Connection .................................................................................................................................................... 59
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