2 Product Description User Manual
NOTICE
• Before enabling the PID recovery function, make sure the voltage polarity of the
PV modules to ground meets requirement. If there are any questions, contact the
PV module manufacturer or read the corresponding user manual.
• If the voltage scheme for the PID protection / recovery function does not meet the
requirement of corresponding PV modules, the PID will not work as expected or
even damage the PV modules.
• PID recovery function and Q at night cannot be enabled at the same time.
• If the PID recovery function is enabled, it only works at night.
• After the PID recovery function is enabled, the voltage of the PV string to ground
is 500Vdc by default, and the default value can be modified through the App.
AFCI Function(Optional)
• AFCI activation
This function can be enabled to detect whether arc occurs in the DC circuit of the inverter.
• AFCI self-test
This function is intended to detect whether the AFCI function of the inverter is normal.
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