Samsung MCU-S6NEE1N Installation Manual page 16

Installing the wire
Supply the 220-240V/208-230V power to L1, L2 of MCU separately with outdoor unit.
Connect the communication cable from the outdoor unit to F1, F2 of MCU.
Power Line and communication line must be connected as shown in drawing.
Case 1
ELB
Indoor Indoor
MCCB
Unit Unit
220-240V/208-230V
(Supply separately)
Input socket
Power Line and communication line must be installed as shown in drawing
Case 2
Indoor
Outdoor
Unit
Unit
Hole for indoor unit power supply (Upto 2 indoor units per 1 hole)
Hole for MCU main power supply
Hole for communication
ELB
Indoor
MCCB
Unit
220-240V/208-230V
(Supply separately)
Outdoor
Unit
15