© 20
20
Samsung All rights reserved.
System Communication Wiring Guide
1
Indoor unit
(F3,F4) or (3,4)
Indoor unit PCB
ODU to IDU
Communications
5vdc
12 vdc
Samsung
accessories
To Controller
485 & 12 Vdc
Outdoor Unit Terminal Block
Wired Remote to Indoor Unit
Terminal Block
Indoor Unit Terminal Block
F1 F2
V1 V2
F3 F4
F1 F2
– Set Layer:
ODU to IDU
Communications 5vdc
R1 R2
– Control Layer:
Outdoor Unit to DMS
Centralized Control