3
V201608A
1. General information
1.1 Getting start
This manual is used as a checking and repairing guide for 3KVA-110V/120V model. Before read this
manual, it’s better to have some electrical or electronic background knowledge. With this guide, you can
fix the inverter by yourself firstly.
There are five main parts of this guide:
General information: This part is the basic information of the inverter; you can start to know the inverter
from this chapter.
Troubleshooting: This part will tell you how to do when you face a problem.
Checking and measuring guide: This part will teach you how to check or repair the inverter by
measuring the critical components.
Assembling guide: This part teaches you how to take the board outside and fix the new one.
Cables connection: This part is a reference for cable connection.
1.2 Basic topology introduction
The topology of the inverter shows as below:
Solar charger
Battery
Load
Utility
Solar
Inverter
Converter
Control
SCC board Main board
CNTL board
Parallel
PAR board
(Option)
Compare with UPS or normal inverter, INVERTER combines a solar charger inside. Solar charger can be
a supplement for battery when there is not grid or for saving energy purpose. And with the solar charger,
the inverter can have more working modes than UPS. For detail information please refer to our user
manual.
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