Group Control; Two Thermistor System - LG Multi Type Installation Manual

Group Control

It operates maximum 16 Units by only one Wired Remote Controller,
and each Unit starts sequentially to prevent overcurrent.
Terminal(Local Supply)
Block
RED(12V)
YL(SIGNAL)
BR(GND)
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION
Room Temp
HI AUTO Heater Preheat
MED JET Defrost Humidify
LO Filter Out door
Time ZONE 1 2 3 4
Timer Operation unit Program set
On Off
Set no. Time 01 03 05 07 09 11 13 15 17 19 21 23
Slide Switch2

Two Thermistor system

Slide Switch1
Slide Switch2
Air Purging of the Connecting Pipes and the Indoor Unit
Indoor Unit 1
Connector
RED(12V)
Main PCB
YL(SIGNAL) YL(SIGNAL)
#1
BR(GND) BR(GND)
Wired Remote Controller
(Standard)
Single
Group
Remote
Controller
PCB
Room Temp. Sensing
Remo.
Indoor Unit
2 TH(Remo.+Indoor)
Single
Group
CAUTION
• 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.
Main PCB
Indoor Unit 2
Terminal(Local Supply)
Block
Connector
Main PCB
YL(SIGNAL) ....
#2
BR(GND)
....
• Using the supplied Wired Remote Controller,
wire them like above.
• Move slide switch 2 to "Group" position.
• Ensure that the color of wire.
• 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
- 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.
Indoor Unit 16
Terminal(Local Supply)
Block
Connector
Main PCB
YL(SIGNAL) YL(SIGNAL)
#16
BR(GND) BR(GND)
Connecting Cable(Local Supply)
indoor Unit.
Installation Manual 17