LG B30AWYN762, Installation Manual

Page: 24 / 35

24 Ceiling Concealed Duct Air Conditioner
Group Control
Group Control
Two Thermistor system
It operates maximum 16 units by only one wired remote controller,
and each unit starts sequentially to prevent overcurrent.
• Set the thermistor mode of the sensor located in main active place.
Otherwise, do not work cooling and heating effiectively.
Indoor Unit 1
Terminal(Local Supply)
Block Terminal(Local Supply)
Block Terminal(Local Supply)
Block
Main PCB
#1
Main PCB
#2
Main PCB
#16
Indoor Unit 2
Main PCB
Indoor Unit 16
Connector
RED(12V)
YL(SIGNAL)
BR(GND)
RED(12V)
YL(SIGNAL)
BR(GND)
YL(SIGNAL)
BR(GND)
Connecting Cable(Local Supply)
Connector Connector
....
.... YL(SIGNAL)
BR(GND)
YL(SIGNAL)
BR(GND)
YL(SIGNAL)
BR(GND)
Remote Controller
<Figure 1>
<Figure 2>
Group Control
S/W GR
1
1. Master
2. Slave
2
Wired Remote
Controller
1
ON
2 3 4 5 6 7 8
Main PCB Main PCB
• Set the slide switch in the wired remote contorller as "SLAVE"
positon.(Figure1)
• If the main PCB is not directly connected to the wired remote controller,
set the option switch "6" in the mian PCB as "ON" position.(Figure2)
Operating the tempertature sensor in
the indoor unit(or remote sensor).
Operating the tempertature sensor in
the remote controller.
• Cooling mode: Operating lower temperature
sensor comparing the remote controller and
indoor unit(or remote sensor) temperature
• Heating mode: Operating higher temperature
sensor comparing the remote controller and
indoor unit(or remote sensor) temperature
Selected button Function
Set the thermistor mode by pressing
, , button in