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Connecting PV Input Cables
1
A3
2
2
DANGER!
Pull back to comfirm the connection is
secure
4 2 |
• Before connecting the PV input cables, ensure AC switch connected to the inverter and the PV
SWITCH on the inverter are OFF. Failing to do so may result in electric shocks.
• The PV string will generate lethal high voltage when exposed to sunlight. Disconnect the PV
cable of PV string before connecting DC power.
• Before connection, ensure the polarity of the output of the PV array matches "PV+"/"PV-"
symbols.
• Before connecting the PV input cables, ensure that the impedance between the positive/
negative terminals of the PV string and earth are larger than 1 MΩ. Do not ground the PV array
positive/negative hole.
• When the inverter is running, it is not allowed to work on the PV input cables, such as
connecting or disconnecting a PV string or a PV module in a PV string. Failing to do so may
cause electric shocks.
• Do not remove the protective cap from the unused PV input terminal. Otherwise, the IP rating of
the inverter will be affected.
• Ensure that the maximum DC voltage and the maximum short-circuit current of any string do
not exceed the allowed range specified in the "Technical Parameters" of the User Manual.
• In order to avoid malfunction, please do not connect any PV modules that have a risk of leakage
current to the inverter.
• In order to avoid lightning damage to the inverter, it is recommended to add a surge protection
switch at the PV junction box.
• After the positive and negative connectors snap into place, slightly pull the PV input cables back
to ensure that they are connected securely.
• It is not recommended that connect different brands or models of PV modules to one MPPT
circuit, or connect PV modules of different orientation or angles to one PV string.
1
6-7.5 mm
A3
2
3
×2
A12
Click
PV terminal
1
6-7.5 mm
Click
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