Samsung MCU-Y6NEE Installation Manual page 21

Setting MCU option
Rotary switch for Indoor unit ADDRESS
How to set up
 Set the rotary switch located at outdoor unit PCB to match the number of connected indoor units (8).
 Set the rotary switch located at outdoor unit PCB to match the number of connected MCU (2).
 When installing more than 2 MCUs, set each rotary switch of MCU differently.
 Set rotary switch located at MCU PCB to match indoor unit address.
 Set the DIP switch of MCU to "OFF" position for the indoor units that is not connected.
MCU PCB

MCU address
Indoor unit
• Connect the power cable using the compressed ring terminal.
MCU
MCU
• Communication cables are connected as shown above when installing MCU.
• W hen installing electricity and wires of MCU, please proceed the work refering to the installation manual of the
HR outdoor unit.
DIP switch for indoor unit setting (ON:Use, OFF:Not use)

Setting the
number of
Indoor Unit

 Indoor unit address
Indoor unit
Indoor unit MCU
Indoor unit
Indoor unit
Indoor unit MCU
Indoor unit
Rotary switch for MCU ADDRESS
 Outdoor Unit
PCB
Setting the
number of
MCU
MCU PCB
 
MCU address
 Indoor unit address
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
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