Outdoor Unit Communication Line Connection - LG PRCKD21E Installation Manual

OUTDOOR UNIT COMMUNICATION LINE CONNECTION

20
OUTDOOR UNIT COMMUNICATION LINE
CONNECTION
- Communication line connection
• Type: shield cable 2 lines
• Diameter: CV 1.25 mm
• Insulator: PVC
• Maximum permitted temperature: 60 °C
• Maximum length possible for communication: 1000 m or less
- The communication connection between outdoor unit and CONTROL KIT shall be connected as
follows.
For details, refer to the wiring diagram for the work.
Outdoor unit communication line#1
! CAUTION
• All of EXPANSION KIT #1, outdoor unit #1, outdoor unit communication cable #1, and pipe
temperature sensor IN/OUT #1 shall be connected to the same 'A' part.
• For detail connection of EXPANSION KIT, refer to EXPANSION KIT manual.
2
or more
Outdoor unit #1
Rotary switch #1
CONTROL KIT inside
Outdoor unit #2
Outdoor unit communication line#2
Rotary switch #2