LG PRCKD42E Owner's Manual page 23

Connect the communication cable (outdoor communication line)
- Communication Cable Spec. (connect the outdoor unit to the Control Kit)
Type: Shield Cable 2 Core
Insulation: PVC
Maximum Communication Cable Length: 1,000m or less
Diameter: CV 1.25mm
Maximum Temperature: 60 °C
- Before connecting the outdoor units, check the address of the outdoor units and then connect
them to the designated communication ports.
- Connect the communication between the outdoor unit and Control Kit as shown below.
Refer to the Wiring Diagram for more details on connecting the units.
! CAUTION
• Each COMM. Since a PCB can be connected to up to 3 outdoor units and the address is
assigned to each of the ports, connect the communication cable of the outdoor unit having
the address assigned to each respective port when connecting the outdoor units.
PIPE TEMPERATURE SENSOR CONNECTION
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