Start And Stop; Start The Inverter; Stop The Inverter; General Operation - Sunways STT Series User Manual

5 Start and Stop

5 Start and Stop
※ 5.1 Start the Inverter
When starting the inverter, follow these steps:
① Turn on the AC breaker first (close the AC circuit breaker).
② Turn on the DC switch in the bottom. If the PV string voltage higher than the inverter
start-up voltage, the inverter will start.
③ When both AC and DC power supply are normal, the inverter is ready to start. The
inverter will initiate checking its internal parameters and grid parameters, if it is within
the range, the green light on the left side of the screen begins to flash, and the "Waiting"
message will be displayed on the OLED display.
④ After self-checking completed, the inverter will start generating electricity, the green
light will remain on, and the OLED display will display real-time power information.
※ 5.2 Stop the Inverter
When turning off the inverter, please follow the steps below:
① Turn off the AC breaker first.
② Wait 30 seconds and then turn the DC switch to the "OFF" position. At this time,
there is remaining power in the inverter capacitor. Wait for 5 minutes until the inverter is
completely de-energized before conducting any work on the inverter.
③ Disconnect the AC and DC cables.
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6 General Operation

※ 6.1 Display Operation
When the inverter is turned on, the following interfaces will be displayed on the OLED
display, and the OLED display allows the user to check various operation information and
to modify the settings of the inverter. Please refer to the following display operation flow
for details:
6.1.1 Main Window and General Setting
Main Window
Waiting Checking Normal
PV Voltage
PV Current
Grid Voltage
E-Day E-Total
Grid Current
Grid Freq
Not WiFi/LAN
Modbus LAN
Addr setting
OR OR
WIFI
Setting
setting
Language
Export Limit
Time Set
On/Off
Set
XXX%
Setting Setting
Re-
Grid Connect
CT Ratio
Connect
Type Set
Setting Setting Setting
Sys OverLoad Power
CtrlMode (AU) Rate Limit
Setting Setting Setting
6 General Operation
Firmware
Fault info Updating
Model General Advanvced
H-Total
Name Settings Settings
System
RSSI Fault Info
Info
Error SN/FM
Message Version
Power Rate Generation
Limit Limit
XXX%Pn/min XXX%
Power Feed in Export Safety
Factor Grid Limit Set
Setting Setting Setting Setting
Generation
Limit
Setting
Short press(1s), switch window
Long press(3s), enter the lower menu
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