Samsung MCU-S6NEE1N Installation Manual page 18

Setting MCU address
Set the rotary switch of the indoor unit ADDRESS on the MCU PCB same as the ADDRESS of connected indoor unit.
When installing more than 2 MCU, set each rotary switch for MCU ADDRESS properly.
MCU PCB
Indoor Unit ADDRESS
Indoor Unit
Connecting indoor with Y-Connector to MCU
In case of connecting one indoor unit to the MCU by using Y-branch joint, you must set both switches that correspond to the
MCU port with the same indoor unit address.
You must also set the DIP switch of the MCU in a same way.
Y-connector installation
Outdoor Unit PCB
Setting the number
of Indoor Unit
MCU
ADDRESS
MCU DIP S/W
MCU PCB
Indoor unit address #1
Address #2
Address #1
Setting the
number of MCU
MCU PCB
Indoor Unit ADDRESS
Indoor Unit
Indoor unit address #2
MCU
ADDRESS
MCU DIP S/W
MCU DIP S/W
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