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2.3 Confirm the wired controller wires connection of each indoor unit

Master control type: connect all wires A, B, C.

Slave control type: only connect wires B and C.

1 2 3

1 2 3 1 2 3

1 2 3

Indoor 16Indoor 15Indoor NIndoor 2Indoor 1

Wired controller Wired controller Wired controller Wired controller Wired controller

(master unit)

A B C

Wired controller

Control wiring of

wired controller,

polar.

CN22 on indoor PCB

Note: When in group control type, the slave unit can not use individual wired controller.