Gree GMV-680WM/E-X Manuel D'utilisateur page 44

GMV DC Inverter VRF
(2) All communication wires are connected by screws.
(3) If a single communication wire is not long enough and needs to be connected, the
connected joint must be welded or pressure-welded. Do not simply twist the wires
together.
4.6.4 Communication address
Auto addressing technology is adopted for IDU and ODU. No need to set address codes
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Fig. 4.6.5
Fig. 4.6.6
Fig. 4.6.7
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