East HE1K-48V-230V, User Manual, Page: 3 / 26

3
Content
1
Summary ........................................................................................................................... 4
1.1 Product Overview: ...................................................................................................................... 4
1.2 Denomination for Product .......................................................................................................... 4
1.3 Safety Notice: .............................................................................................................................. 4
2 Product brief ..................................................................................................................... 5
2.1 Solar system composition ........................................................................................................... 5
2.2 System Principle .......................................................................................................................... 6
2.3 Product control description: ....................................................................................................... 6
2.4 Technical specification:
............................................................................................................. 10
2.5 Working principle: .................................................................................................................... 12
2.5.1 Description: ..................................................................................................................... 12
2.5.2 “ANTI- FLOW BACK mode”:
............................................................................................. 12
2.5.3 Grid tied Mode
................................................................................................................ 13
3 Product storage and installation ................................................................................... 15
3.1 Product storage:
........................................................................................................................ 15
3.2 Installation
................................................................................................................................ 15
3.3 Installation site
......................................................................................................................... 16
3.4 Cable connections
..................................................................................................................... 16
3.5 System connection:
................................................................................................................... 17
4 Operation Description .................................................................................................... 18
4.1 Daily switching on/off:
............................................................................................................. 18
4.2 For long time not using, switching on/off operation:
............................................................. 19
4.3 System information inquiry
...................................................................................................... 19
5 SYSTEM SET ..................................................................................................................... 20
5.1 LANGUAGE
：
： ：
：
............................................................................................................................ 20
5.2 TIME SET
.................................................................................................................................... 20
5.3 COM SET
.................................................................................................................................... 20
5.4 PASSWORD SET
......................................................................................................................... 21
5.5 MODE SET
................................................................................................................................. 21
5.6 USER SET
................................................................................................................................... 22
5.7 ADVANCED SET
.......................................................................................................................... 22
5.8 CONTRAST SET
.......................................................................................................................... 23
5.9 FACEORY RSTET
......................................................................................................................... 23
6 Maintenance ................................................................................................................... 24
6.1 Preventive Maintenance
.......................................................................................................... 24
6.2 Battery maintenance
................................................................................................................ 24
6.3 History records check and common problems solve
............................................................... 24
7 Appendix ......................................................................................................................... 26