Haier MRV II AV08NMVERA, Руководство для стартапов

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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
1 2 3
Indoor 16 Indoor 15 Indoor N Indoor 2 Indoor 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.