GREE Photovoltaic Direct-driven Inverter Multi VRF Units
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7.3.3 Communication Cable Connection Method and Procedure
7.3.3.1 Communication cable connection between the IDUs and ODUs
The communication cable between the IDUs and ODUs is connected via interface D1/D2 on the
terminal block XT2. Connection modes for the single-module system and multi-module system are
shown in the following figures.
Communication cable connection for the single-module system:
Communication cable connection for the multi-module system:
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