Samsung DVM PLUS III Technical Data Book page 580

05-2_control systems(046~081)
Control Systems
2 Centralized control system
2
2-1. Interface module
(4) Installation
WIRING
➊
Connection between interface module and outdoor unit (example : DVM PLUS)
F1 F2
❷
Connection between interface module and centralized controller
Specification
• Power (V1/ V2) : DC 12V/50mA
• Communication line
- F1/F2 (Connect to Outdoor unit) : RS-485 (No-polarity), VCTF (0.75~1.5mm
- R1/R2 (Connect to Centralized controller) : RS-485 (No-polarity), VCTF (0.75~1.5mm
• 1 outdoor unit can connect only 1 interface module
(DVM PLUS outdoor unit can have 2 interface modules).
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F1/F2
F1 F2
R1/R2
DC 12V
K1 K2 K3 K4
2 )
)
2