Wiring Design - LG LT-E2460FL Service Manual

2) Adjusting air volume to the height of ceiling
You can choose the RPM(or air volume) of indoor motor according to the height of ceiling to supply the com-
fortable atmosphere to consumers.
Procedure
1. Choose the selectable position in the table after measuring the height of ceiling.
Ceiling height
more than 3.3m
2.7~3.3m
less than 2.7m
2. In the case of changing the height as "high" or "low", open the rear cover of the wired remote-controller.
3. Move the slide switch to the set position.
4. Close the rear cover and check if it works nomally.
3) Group Control(Optional Wiring)
• You can use a group control operation after connecting the brown and yellow wire of each air-conditioner.
• Remove the resistor "OP 7" in remote controller.
• It operates maximum 16 Units by only one Wired Remote Controller,
and each Unit starts sequentially to prevent overcurrent.

Wiring design

AUTO SWING OPERATION
Timer Operation unit
On Off
Set no. Time 01 03 05 07
Features
• Use Only One Wired Remote Controller with several air conditioners(max. 16 Units)
• Random starting to prevent overcurrent.
CAUTION
• Be careful not to exchange the color of wires.
• The maximum length of connecting wire should be below 200m(25Ω) on connecting each units.
• Use a wire more than 0.5mm
Mode of slide switch
High Ceiling
Standard
Low Ceiling
Indoor Unit 1
Terminal(Local Supply)
Block
Connector
RED(12V) RED(12V)
Main PCB
YL(SIGNAL) YL(SIGNAL)
#1
BR(GND) BR(GND)
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
Program set
09 11 13 15 17 19 21 23
Wired Remote Controller
2
Change of air volume
Increasing
-
Decreasing
Slide switch for 2 Thermistor
Low ceiling
Standard
(Default)
High Ceiling
Slide switch for ceiling height
Main PCB
Indoor Unit 2
Terminal(Local Supply)
Block
Connector
Main PCB
YL(SIGNAL)
YL(SIGNAL) ....
BR(GND) #2
BR(GND)
....
Slide Switch
OP7
Remote
Controller
PCB
–27–
Remark
Maunfactured in stan-
dard mode
Lo
R14H
STAND
Hi
Indoor Unit 16
Terminal(Local Supply)
Block
Connector
Main PCB
YL(SIGNAL) YL(SIGNAL)
#16
BR(GND)
BR(GND)
Connecting Cable(Local Supply)
TH R13H R12H
OP5R16H OP4
CO1H
R15H
OP3 OP2 OP1
R19H
SW TH
R11H
REMO
MAIN
OP7
2TH
R18H
R17H
OP6
LO
STAND
R03S
HI
R01S
SW HIGH