GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
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Figure 4 Communication cable connection for IDUs and ODUs
3. Communication Cable Connection Method and Procedure
A. 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.
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