Hitachi YUTAKI S80 R410A Series Installation And Operation Manual page 49

6.4.2 Table board 2 .........................................................................................54
6.4.2.1 Indoor/outdoor communication wiring (TB2) / ATW-RTU
Communication / Central Devices Communication ......... ......57
6.4.2.2 Input terminals (Default input functions) ................................58
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PMEN0648 rev.0 - 03/2023