Piping and Wiring for Outdoor Unit
Installation Manual
53
ENGLISH
Connecting of the communication cable on the Outdoor Unit
The communication cable is intended for communication between the external Gateway
PI485(Modbus Converter) and the internal input/output module.
Gateway PI485(Modbus Converter) is supplied by accessory.
After you assemble Gateway PI485(Modbus Converter) on the C/box(Outdoor Unit),
Connect Cables. (
①
CN-OUT,
②
CN-PWR )
After laying the plated cable between Indoor unit and Outdoor unit , use three cables you
connect to the connection clips Bus_A [+] / Bus_B [-] / GND on the Gateway PI485(Modbus
Converter) module.
Gateway PI485(Modbus Converter) is located on the Outdoor Unit as shown on the picture
below.
Gateway PI485
CN-PWR
CN-OUT
PI485(Modbus Converter)
Not in use (4)
GND (3)
BUS-A (1)
BUS-B (2)
1,MFL69676201,영영 2017. 3. 8. 영영 3:07 Page 53