Gree GMV-Y120WM/C-F, Руководство пользователя

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Photovoltaic Direct-driven Inverter VRF
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4.7.2 Communication connection between IDU and wired controller
There are 4 kinds of connection between IDU and wired controlle r, as shown below:
Fig.4.7.3 One wired controller controls one IDU Fig.4.7.4 Two wired controllers controls one IDU
Fig.4.7.5 One wired controller controls multiple IDUs