Configuring The Rapid Shutdown Function; Changing The Operating Mode Of The Multifunction Relay - SMA SUNNY TRIPOWER CORE1-US Series User Manual

SMA Solar Technology AG
4. In the context menu, select [Starting the installation assistant].
5. Select [Save and next] until you reach the Feed-in management step.
6. Configure the feed-in management as desired.

4.14 Configuring the Rapid Shutdown Function

The Rapid Shutdown function of the inverter must be enabled if the PV modules or PV strings are
equipped with an additional DC disconnection unit that disconnects the PV array from the inverter.
You can activate the Rapid Shutdown function by selecting one of three available operating modes
in accordance with the DC disconnection unit used. If you do not want to use the Rapid Shutdown
function, you can deactivate it.
Explanation of operating modes:
Operating mode
On
SunSpec Shutdown
Off
Procedure:
1. Activate the user interface (see Section 4.1, page 19).
2. Log into the user interface as an Installer.
3. On the right-hand side of the menu bar, select the menu User Settings (see Section 4.3 "Start
Page Design of the User Interface", page 24).
4. In the context menu, select [Starting the installation assistant].
5. Select [Save and next] until you reach the Safety functions step.
6. Configure the Rapid Shutdown function according to the DC disconnection unit used.
4.15 Changing the Operating Mode of the Multifunction
Relay
The default operating mode of the multifunction relay is Fault indication (FltInd) . If you decide to
use another operating mode and have established the correct electrical connection for this
operating mode and the associated connection variant, you will have to change the operating
mode of the multifunction relay and make other settings, if necessary.
The basic procedure for changing operating parameters is explained in another section (see
Section 4.11 "Changing Operating Parameters", page 31).
User Manual
Explanation
For using an additional DC disconnection unit independent of the inverter
between the inverter and PV generator that disconnects the generator.
For using PV module switches as per the SunSpec interoperability specifi-
cation.
The Rapid Shutdown function is deactivated.
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