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Installation Guide
Installation Manual 11
ENGLISH
[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
How to connect the base station controller
• PGNFP14A0 (Only)
Connecting the PI 485 communication line
POWER
RUN/STOP RESETMODE
EREORRUN
Indoor unit #1 (Control address : 01)
Indoor unit #1 (Control address : 02)
Base station controller
AB
BUS_B
BUS_A
GND
10V
BUS_B
BUS_A
GND
10V
Aircon
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