Afci - Huawei SUN600-5KTL-L0 User Manual

SUN600-(5KTL, 6KTL)-L0
User Manual
Table 7-2 Apparent power
Parameter
Maximum apparent
power (kVA)
Maximum active power
(kW)

7.2.2 AFCI

Function
If PV modules or cables are not properly connected or damaged, electric arcs may
occur, which may cause fire. Inverters provide unique arc detection in compliance
with UL 1699B-2018 to ensure the safety of users' lives and property.
This function is disabled by default, to enable this function, log in to the
FusionSolar app, enter the Device Commissioning screen, choose Settings >
Feature parameters, and enable AFCI.
Clearing Alarms
The AFCI function involves the DC arc fault alarm.
The Inverter has the AFCI alarm automatic clearance mechanism. If an alarm is
triggered for less than five times within 24 hours, the Inverter automatically clears
the alarm. If the alarm is triggered for five times or more within 24 hours, the
Inverter locks for protection. You need to manually clear the alarm on the Inverter
so that it can work properly.
You can manually clear the alarm as follows:
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Issue 04 (2023-02-17)
NO TE
The lower threshold for the maximum apparent power is the maximum active power. To
lower the maximum apparent power, lower the maximum active power first.
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 Inverter that
generates the AFCI alarm, tap Alarm management, and tap Clear on the
right of the DC arc fault alarm to clear the alarm.
Copyright © Huawei Technologies Co., Ltd.
Description
Specifies the output
upper threshold for the
maximum apparent
power to adapt to the
capacity requirements of
standard and customized
inverters.
Specifies the output
upper threshold for the
maximum active power
to adapt to different
market requirements.
7 Man-Machine Interaction
Value Range
[Maximum active power,
S ]
max
[0.1, P ]
max
70