GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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NOTICE! Provide a threading rubber ring when threading a strong power cable or a communication
cable.
7.3 INSTALLATION OF THE COMMUNICATION SYSTEM
The CAN communication network is adopted for GMV5 VRF system. Manual DIP or identification on
polarities of the communication power is not required for the IDU. Only the function DIP needs to be set
for the ODU. For details, see the description on function setting of the ODU.