GMV DC Inverter VRF
45
Fig.3.9.3
3.9.3 Communication Line Connection
Communication bus connection between indoor unit and outdoor unit must be connected in series,
rather than star connection; the endmost indoor unit of communication bus between indoor unit and
outdoor unit must connect with the communication matching resistor(in the outdoor unit plastic bag);
the fresh air indoor unit is not recommended to be set as the main indoor unit.
Fig.3.9.4
Fig.3.9.5
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