LG Multi Type - Group Control; Two Thermistor System

Installation Manual 17
Air Purging of the Connecting Pipes and the Indoor Unit
Group Control
Two Thermistor system
It operates maximum 16 Units by only one Wired Remote Controller,
and each Unit starts sequentially to prevent overcurrent.
• Open the rear cover of Remote
Controller to set up the mode.
• Selectable options are three as follows .
- Remo: Sensing the room Temperature.
- Indoor Unit: Sensing the intake air into
indoor Unit.
- 2 TH: Sensing the lower temperature of
the two thermistors.
• To set up the mode, adjust the slide
switch to desired mode position on
installing.
Operation unit
ZONE
1234
Humidify JET
AUTO
AUTO SWING OPERATION FAN SPEED
Program set
SUB FUNCTION SET TEMP
Room Temp
HI
MED
LO
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
Indoor Unit 1
Terminal(Local Supply)
Block
Terminal(Local Supply)
Block
Terminal(Local Supply)
Block
Main PCB
#1
Main PCB
#2
Main PCB
#16
Wired Remote Controller
(Standard)
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
PCB
Single
Group
Slide Switch2
Slide Switch1
Remo.
Room Temp. Sensing
Indoor Unit
2 TH(Remo.+Indoor)
• On installing, don't impact to the PCB
and LCD display.
• Don't remove the protection sheet.
• Use the specified screw.
• On installing, turn off the main power.
CAUTION
Single
Group
Slide Switch2
• Using the supplied Wired Remote Controller,
wire them like above.
• Move slide switch 2 to "Group" position.
• Ensure that the color of wire.