9
10
3.3 The layout of the main components
3.3.1 External components
External main components include: LED indicator, LCD touch screen and start-stop
knob, emergency stop button, the DC side switch and the AC side switch.
Figure 3-3-1-1 Inverter appearance
No.
Name
Descripition
1
Power indicator
When power supply is normal, the indicator displays
yellow.
2
Inverter malfunction indicator
When inverter is faulty, the indicator displays red.
3
Touch Screen LCD
Operation information display, receive control
command and parameters setting
4
Off-on knob
only control the grid-side switch, and does not
control the DC-side switch
5
Emergency STOP
Shut down the inverter when pressed down
6
Dust screen
Prevent dust from entering into the inverter
Figure 3-3-1 Part description
There are two LED indicators on the inverter which is used to display the current
status of the inverter.
Figure 3-3-1-2 LED indicators
LED
Description
POWER
The indicator lights when power supply to the inverter is normal.
FAULT
The indicator lights when power supply to the inverter is normal.
Figure 3-3-2 LED status
Indicator
AC switch is used to connect or disconnect the inverter and utility grid. DC switch is
used to connect or disconnect the inverter and DC modules. If the AC switch is used
in the case of load, the inverter components will be exposed to considerable stress.
Frequent use of the AC switch will lead to damage of the inverter.
CAUTION
The emergency stop button is only used in case of emergency,
such as: serious failure in the grid, fire, etc.
Figure 3-3-1-3 Emergency STOP
AC/DC main switch
Emergency STOP
