LG LT-E1860FJ/FH Service Manual page 35

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)
It operates maximum 16 Units by only one Wired Remote Controller, and each Unit starts sequentially to prevent
overcurrent.
Wiring design
Terminal(Local Supply)
Block
RED(12V) RED(12V)
YL(SIGNAL) YL(SIGNAL)
BR(GND) 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
Wired Remote Controller
S/W GR
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
Main PCB
YL(SIGNAL) YL(SIGNAL)
#1
BR(GND) BR(GND)
Single
Group
Remote
Controller
PCB
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)
#2
BR(GND)
Connecting Cable(Local Supply)
....
• Using the supplied Wired Remote Controller, wire
them like above.
• Move S/W GR to "Group" position.
• Check the line color of the wire.
–35–
Remark
Maunfactured in stan-
dard mode
Lo
OP3 OP2
R14H
SW TH
STAND
Hi
STAND
SW
Indoor Unit 16
Connector
Main PCB
YL(SIGNAL)
#16
BR(GND)
TH R13H R12H
OP5R16H OP4
CO1H
R15H
OP1
R19H
R11H
REMO
MAIN
OP7
2TH
R18H
R17H
OP6
LO
R03S
HI
R01S
HIGH