3
1. General Information
1.1 Getting start
This manual is for
. It can help service person perform the basic
maintenance and repair service.
This manual only focuses on the service section. The basic operation of the Inverter can
be get from the user manual, and make sure you had read and understood the user
manual before reading this manual.
The manual includes 8 sections:
●
General Information,
this section shows you the general information of the service
manual.
●
Electric Specifications,
this section shows you the basic electric specification of the
Inverter.
●
Functional block,
this section shows you the major functional block of the Inverter.
●
Working Principle of the Major Functional Block,
this section shows you the working
principle of the major functional block.
● Function explanations for each PCB,
this section explains you all the PCBs of the
Inverter system.
●
Interface,
this section shows you the LCD interface.
●
Trouble Shooting,
this section gives you the way to find the problems.
●
Test Step,
this section tells you how to test the Inverter after you repair the unit.
1.2 Important Safety Instructions
For qualified service person only.
Before installing and using the inverter, read all instructions and cautionary
markings on the inverter and all appropriate sections of this guide.
DO NOT perform any internal service or adjustment of this product unless the
technical person is well trained and experienced. .
Dangerous voltage exists at several points in this product. To avoid personal injury,
don't touch any exposed connections or components while inverter is on.
Turn off the inverter and switch off the input breaker before removing protective
case.
High voltage may exist at DC capacitors. Before removing the protective case, wait
for at least five minutes after turning off the inverter.
IGridSS3KWPlus