Commissioning; Powering On/Off The System; Commissioning The Wit Inverter; Set The Communication Address - Growatt WIT 50K-A User Manual

7 Commissioning

7.1 Powering on/off the System

1. Turn the DC switches on the WIT Inverter to the "ON" position.
2. Turn on the breaker between the grid and the inverter.
3. Turn on the breaker between the battery and the inverter, then turn on the switch on
the battery to power it on.
4. Once the start-up requirements of all terminals are fulfilled, the system will be powered
on automatically.
To shut down the system, please send a shutdown command on the APP or the webpage
prior to performing any operations on the device. Then perform the steps in reverse order
as described above.
APP:
45
Webpage:

7.2 Commissioning the WIT Inverter

The WIT Inverter might display incorrect time and date if it has been
Ÿ
stored for over a month. You need to set the accurate time and date
before connecting the WIT Inverter to the grid.

7.2.1 Set the Communication Address

After the WIT Inverter is powered on, you can set the communication address of the WIT
Inverter through RS485 communication or the USB to Wi-Fi module. In cases where
multiple inverters are connected in parallel with RS485 hand-in-hand communication,
please assign different communication addresses to each inverter. For a single inverter,
the communication address is set to1 by default.
NOTE: The communication address of the WIT Inverter ranges from 1 to 254.
By connecting the WIT Inverter to the host computer through RS458
communication, you can change its communication address via ShineBus. This
operation should be performed by professional personnel.

7.2.2 Set the Time and Date

7.2.2.1Set the time and date on the APP
Follow the instructions in Section 6.5.4 to connect the datalogger. When the inverter is
powered on, you can set inverter time and date referring to Section 8.1.1.
Tap Control > Set Inverter Time, then enter the password "growatt+date". For instance, if
the date is July 18, 2023, the password would be "growatt20230718". After that, tap
"Yes".
1. Set the correct date, then click "OK". Proceed to set the time, and click "OK".
46