GMV DC Inverter VRF
49
Fig. 3.9.4
Fig. 3.9.5
Fig. 3.9.6
3.9.4 Communication Address Setting
The indoor unit and outdoor unit adopt automatic addressing technology. It is not necessary to
manually set the address code. It only needs to set the main module and centralized control address
(set it when centralized control of multiple refrigeration systems is required) .
3.9.5 Communication Connection between IDU and ODU
Communication between IDU and ODU is connected through the D1/D2 port of the
communication terminal block.
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