Table 7-4 Parameters settings
Parameter Description
PID running mode Species the operation mode of the inverter built-in PID.
If PID running mode is not set to Disable, the parameter can
be set.
nighttime o-grid repair Species whether to enable the PID nighttime o-grid repair.
Daytime o-grid repair Species whether to enable the PID daytime o-grid repair.
----End
7.1.4.5 AFCI
Function
If PV modules or cables are not properly connected or damaged, electric arcs may
occur, which may cause
re. Huawei SUN2000s provide unique arc detection in
compliance with UL 1699B-2018 to ensure the safety of users' lives and property.
This function is enabled by default. The SUN2000 automatically detects arc faults.
To disable this function, log in to the FusionSolar app, enter the Device
Commissioning screen, choose Settings > Feature parameters, and disable AFCI.
For details about how to enter the Device Commissioning screen, see Device
Commissioning.
Clearing Alarms
The AFCI function involves the DC arc fault alarm.
The SUN2000 has the AFCI alarm automatic clearance mechanism. If an alarm is
triggered for less than
ve times within 24 hours, the SUN2000 automatically
clears the alarm. If the alarm is triggered for
ve times or more within 24 hours,
the SUN2000 locks for protection. You need to manually clear the alarm on the
SUN2000 so that it can work properly.
You can manually clear the alarm as follows:
● Method 1: FusionSolar App
Log in to the FusionSolar app and choose My > Device Commissioning. On
the Device Commissioning screen, connect and log in to the SUN2000 that
generates the AFCI alarm, tap Alarm management, and tap Delete on the
right of the DC arc fault alarm to clear the alarm.
SUN2000-(100KTL, 110KTL, 125KTL) Series
User Manual 7 Man-Machine Interactions
Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd. 84
To Next Page
Loading...
Need help?
General