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Multi-inverter leakage wiring mode
Multi-inverter uses internal 24V leakage wiring Multi-inverter uses external 24V leakage wiring
Note: Under this connection mode, X terminals of different inverters cannot be connected in parallel, otherwise
it may cause X malfunction: if the X terminal needs to be connected in parallel (between different frequency
converters), the diode (anode connected to X) shall be connected in series at the X terminal, and the diode shall
meet the following requirements: IF>40mA, VR>40V.
Single inverter source wiring mode
Single VFD uses internal 24V source wiring Single VFD uses external 24V source wiring
If the internal 24V power supply of the inverter is used, the 0V and COM of the inverter shall be short
connected, and the 24V of the inverter shall be connected with the common end of the external controller.
If external 24V is used, the COM end of the inverter shall be connected with external 0V, and the external
power supply 24V shall be connected to the corresponding X terminal through the control contact of the
external controller.
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