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 in-
verter 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 dis-
play, 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
Wai�ng Checking Normal
PV Voltage
PV Current
Grid Voltage
E-Day E-Total
Grid Current
Grid Freq
Not WiFi/LAN
Safety Set LAN setting
OR
Setting WIFI setting
Export Feed in
Power Factor
Limit Grid
Setting Setting Setting
Modbus Language
Time Set
Addr Set
Setting Setting Setting
6 General Operation
Firmware
Fault Info Upda�ng
Model General
H-Total
Name Settings
RSSI Fault Info System Info
OR
Error SN/FM
Message Version
Grid Connect
CT Ratio Re-Connect
Type Set
Setting Setting Setting
Short press(1s),switch window
Long press(3s),enter the lower Menu
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