Gree GMV-V72W/A-F Owner's Manual page 37

Ultra Heat GMV Multi VRF
(2) All communication wires of Ultra Heat GMV are connected by screws.
Connection Screw
(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.
4.7.4 Communication address
Auto addressing technology is adopted for Ultra Heat GMV IDU and ODU. No need to set address
Fig.37
Fig.38
Terminal Bend
Fig.39
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