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C. One wired controller controls multiple units
0151800244BA PCB
CN22
CN22-1
Note:
1. Plug the wired controller terminal to the CN22 terminal of master unit which wired address is 0.
2. The CN22-1 terminal of the previous unit is connected to the CN22 terminal of the next unit
3. Wired address setting
SW01_1
SW01_2
Wired control
SW01_3
address
SW01_4
4. One controller can Max. control 16 indoor units.
5. Hand-in-hand connection method
6. The singal line is polarity
CN22
[1]
[2]
[3]
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
...
...
...
ON
ON
ON
161
CN22-1
CN22
[4]
Wired control address
OFF
Master unit in group control
ON
Slave unit 1 in group control
OFF
Slave unit 2 in group control
ON
Slave unit 3 in group control
...
......
ON
Slave unit 15 in group control
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