4 Commissioning
SMA Solar Technology AG
User Manual 49SCCPXT-E7-BA-en-58
4.6.16 Resetting the Communication Unit
Resetting the communication unit will restore all of its original default settings. If you have uploaded an XML file
custom.xml, the settings of this file will be adopted (see Section4.6.14.1 "Uploading the File custom.xml", page47).
Perform data backup
• Before you reset the communication unit, note down all settings such as network or portal settings.
• To avoid data loss, be sure to back up your operating data.
PV system identifier in SunnyPortal
If you reset all settings, all settings for logging into SunnyPortal will also be deleted. If you restart the
communication unit after the reset without changing any settings, the communication unit will create a new PV
system with a new PV system identifier in Sunny Portal.
• If the data is to be sent to the existing PV system in Sunny Portal, adjust the identifier of the old PV system (see
Section6.2.2.2, page55).
• Enter the e-mail address of a user who has SunnyPortal administrator rights for the PV system.
Procedure:
1. Log into the user interface as an installer (see Section9.4.1, page78).
2. Select SunnyCentral > Info.
3. Select the button [Default setting].
☑ A security prompt opens.
4. Select the button [Confirm].
5. To log off from the user interface, select [Logout].
4.7 Switching the Inverter On
Requirements:
☐ All electrical connections executed on site must be correct and firmly attached.
☐ The entire PV power plant, including the PV array, must have been tested by the PV system builder in accordance
with the applicable standards.
☐ A test protocol of the tests carried out must have been compiled in accordance with the applicable standards.
☐ The ground resistance of the PV system must have been determined.
☐ All values measured must be within the permissible range.
Procedure:
1. Lock the inverter.
2. Turn the key switch to Start.
☑ The DC switch switches on with an audible click.
☑ Under conditions of sufficient irradiation, the inverter starts feeding into the utility grid.
✖ Disturbance message on the touch display?
• Eliminate the disturbance (see Section7, page63).