Precaution - LG PRCKD40E Installation Manual

Precaution

Precaution
Pipe temperature sensor connection
• Because 1 communication PCB can be connected to 2 EXPANSION KIT and Outdoor units, be
careful not to mix the pipe temperature sensor and communication cable.
Example)
Rotary switch #1
Pipe temperature sensor #1 IN
I Connect EXPANSION KIT #1, Outdoor unit #1, Outdoor unit communication cable #1, pipe temperature
sensor IN/OUT #1 to the same 'A' part.
I For detail connection of EXPANSION KIT, refer to EXPANSION KIT manual.
18 AHU CONTROL KIT
Outdoor unit #1
Outdoor unit
communication cable #1
Pipe temperature sensor #1 OUT
EXPANSION KIT #1
Outdoor unit #2
Outdoor unit
communication cable #2
Pipe temperature sensor #2 IN
Pipe temperature sensor #2 OUT
Pipe
Communication cable
Pipe sensor
Rotary switch #2
EXPANSION KIT #2