Installation Flowchart - LG PRCKD21E Installation Manual

INSTALLATION FLOWCHART

CONTROL KIT installation
Pipe temperature sensor
connection
Outdoor unit communication
line connection
AHU sensor connection
AHU Controller setting
Communication PCB
setting
Electrical wiring
Outdoor unit address
setting
Operation inspection
CAUTION
!
According to the construction site, this order may be changed, and make sure to study
the installation manual for the corresponding work before the work.
INSTALLATION FLOWCHART
• 2 outdoor units can be connected to
communication PCB 1EA, so be careful
not to have mixed connection of the pipe
temperature sensor and communication
line that are connected to 1 outdoor unit.
• You must install temperature/humidity
sensor to SA duct and RA duct that com-
ply with the specification.
(Specification: -40 °C~70 °C,
RH 0~95 % / AC 24 V / DC 0~10 V)
• If only temperature sensor is installed to SA/
RA duct, you do not need to set Dip switch.
• According to the installation site, set the
Dip switch according to the setting method.
• Be careful of the Dip switch setting accord-
ing to whether outdoor unit is connected.
• During the connection of outdoor unit,
make sure to set all rotary switches to be
different.
• After completing CONTROL KIT installa-
tion, make sure to set outdoor unit
address.
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