I How To Connect The Base Station Controller - LG PMNFP14A0 Installation Manual

How to connect the base station controller
• PGNFP14A0 (Only)
Connecting the PI 485 communication line
POWER RUN EREOR
RUN/STOP MODE
Base station controller
[Steps to connect]
*Note: See the PI 485 manual for the internal setting.
*Note: Because the RS485 communication line connecting to the PI 485 has polarity, check
A and B. PI485
A B
Aircon
RESET
BUS_B
BUS_A
GND
10V
Indoor unit #1 (Control address : 01)
BUS_B
BUS_A
GND
10V
Indoor unit #1 (Control address : 02)
Installation Manual 11
Installation Guide