Samsung RVMC060GDM0 Technical Manual page 252

. Installation
6. Electronic expansion valve kit
2) Wiring & Assigning address
Room A
Room B
Room C
Connect the AC power cable and communication cable from the outdoor unit to terminal,
then connect the cable to another electronic expansion valve kit.
Connect the AC power cable and communication cable to each indoor unit (A, B and C).
Align the SW51, SW52 and SW53's
addresses with A, B and C indoor
units'.
Appropriate indoor unit
Switch No.
(Electronic expansion valve)
SW51
SW52
SW53 C
28
Another
distributor kit
Outdoor
unit
Connector No.
A CN63(Yellow)
B CN62(Blue)
CN61(White)