6.9 AFCI(Optional)
6.9.1
Arc-Fault Circuit Interrupter (AFCI)
In accordance with the National Electrical Code R, Article 690.1 1
,
the inverter has a system
for the recognition of electric arc detection and interruption. An electric arc with a power of
300 W or greater must be interrupted by the AFCI within the time specified by UL 1699B. A
tripped AFCI can only be reset manually. You can deactivate the automatic arc fault detec-
tion and interruption (AFCI) via a communication product in "Installer" mode if you do not
require the function. The 2011 edition of the National Electrical Code R, Section 690.11
stipulates that newly installed PV systems attached to a building must be fitted with a
means of detecting and disconnecting serial electric arcs (AFCI) on the PV side.
6.9.2
Danger information
If an "Error 200" message is displayed, the buzzer alarms, an electric arc occurred in
the PV system. The AFCI has tripped and the inverter is in permanent shutdown.
The inverter has large electrical potential differences between its conductors. Arc
flashes can occur through air when high-voltage current flows. Do not work on the product
during operation.
When the inverter error 200, please follow the steps:
6.9.3
Operation step
6.9.3.1
Turn the DC & AC Switch to position "OFF".
Wait for the screen be off.
6.9.3.2
Perform troubleshooting on the PV system:
Check the PV strings' open circuit voltage is normal or not.
6.9.3.3
After the fault is rectified, restart the inverter:
Turn the DC & AC Switch to position "ON
11
.
Danger of fire from electric arc
Only test the AFCI for false tripping in the order described below. Do
not deactivate the AFCI permanently.
Fig 6.21
Fig 6.22
29
Summary of Contents for MOD 1 0KTL3-X
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