LG LS-L1261HL Service Manual ▷ View online
-7-
(2) Outdoor Unit
W
L2
L3
L1
D
H
L4
L5
Gas side
(3-way valve)
Liquid side
(2-way valve)
MODEL
12K Btu Series
DIM
unit
W
mm
770
H
mm
540
D
mm
245
L1
mm
287
L2
mm
64
L3
mm
518
L4
mm
10
L5
mm
100
Refrigeration Cycle Diagram
-8-
Pipe size(Diameter:Ø)
MAX.
Max
MODEL
Piping length
Elevation
Gas(inch)
Liquid(inch)
(m)
(m)
1/2"
1/4"
15
7
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
EXCHANGE
(CONDENSER)
COMPRESSOR
ACCUMU
LATOR
LATOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
CAPILLARY TUBE
CHECK VALVE
(Heating Model only)
COOLING
HEATING
REVERSING
VALVE
(Heating Model Only)
VALVE
(Heating Model Only)
12K Btu SERIES
Wiring Diagram
-9-
BL
BK
(RD)
BK
(RD)
BL
YL
YL
BR
RD
RD BL YL
GN/YL
BL
BK
RD
BR
GN/YL
BL
BL
GN/YL
PTC
3854A30077D
FAN
MOTOR
RD BL
BR
C
S
R
COMP.
REVERSING
VALVE
OUTDOOR WIRING DIAGRAM
TERMINAL
BLOCK
BLOCK
TO INDOOR UNIT
OLP
H
C
F
CAPACITOR
1(L) 2(N)
3
4
3854A30077A
INDOOR WIRING DIAGRAM
CN-DISP1
FUSE
AC250V/T2A
CN-TH1
TRIAC
SH-CAPA.
BL/RIBBED
BR/PLAIN
GN/YL
BR
YL
OR
BK
CN-TAB1
CN-MOTOR
CN-TAB2
RY-COMP.
ZNR
THERMISTOR
FORCED
OPERATION
OPERATION
AUTO
RESTART
RESTART
REMOTE
CONTROL
CONTROL
MOTOR
MAIN PCB
ASM
DISPLAY PCB ASM
POWER
TO OUTDOOR UNIT
PILLAR
TERMINAL
TERMINAL
BR
BL
GN/YL
BR
BL
GN/YL
1(L) 2(N)
3
4
BL
CN-U/D
STEP
MOTOR
H.V.B
A/CL
OPTION
RD
BK
BK
BK
BK
BK
BK
LIMIT
S/W
S/W
3854AR6093Y
INDOOR WIRING DIAGRAM
CN-DISP1
FUSE
AC250V/T2A
CN-TH1
TRIAC
SH-CAPA.
BL
BR
GN/YL
BR
YL
OR
BK
CN-TAB1
CN-MOTOR
CN-TAB2
CN-4WAY
RY-COMP.
RY-4WAY
RY-FAN
ZNR
THERMISTOR
FORCED
OPERATION
OPERATION
AUTO
RESTART
RESTART
REMOTE
CONTROL
CONTROL
MOTOR
MAIN PCB
ASM
DISPLAY PCB ASM
POWER
TO OUTDOOR UNIT
PILLAR
TERMINAL
TERMINAL
BR
BL
BK
RD
GN/YL
BR
BL
BK
RD
GN/YL
1(L) 2(N)
3 4
3
4
BL
BR
CN-U/D
STEP
MOTOR
OPTION
BK
BK
BK
BK
LIMIT
S/W
S/W
H.V.B
A/CL
RD
BK
BK
COMP
C S R
FAN
MOTOR
OLP
BR
BR
RD BL
BR RD
BL
BL
GN/YL
BR
BL
GN/YL
BL
BL
RD BL YL
GN/YL
CAPACITOR
BR
RD
BL
YL
TO INDOOR UNIT
OUTDOOR WIRING DIAGRAM
3854A30077B
TERMINAL
BLOCK
H
C
F
PTC
1(L) 2(N)
COMP
C S R
FAN
MOTOR
BR RD BL
BR
BL
BK(RD)
YL
GN/YL
BR
BL
BK
RD
GN/YL
BL
BL
REVERSING
VALVE
RD BL YL
GN/YL
BK(RD)
CAPACITOR
RD
BL
YL
TO INDOOR UNIT
OUTDOOR WIRING DIAGRAM
3854A30077T
TERMINAL
BLOCK
H
C
F
PTC
1(L) 2(N)
3
4
1. LS-L1261/1262CL/1263DL
2. LS-L1261/1262/1220HL/1261EL
1. LS-L1261/1262CL/1263DL
2. LS-L1261/1262HL/1261EL
3. LS-L1220HL
(1) Indoor Unit
(2) Outdoor Unit
Operation Details
1. MAIN UNIT FUNCTION
• DISPLAY
1) C/O Model
Operation Indicator
• On while in appliance operation, off while in appliance pause
• Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on)
• Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on)
Sleep Timer Indicator
• On while in sleep timer mode, off when sleep timer cancel or appliance operation pause
Timer Indicator
• On while in timer mode (on/off), off when timer mode is completed or canceled.
Comp. Running Incidator
• While in appliance operation, on while in outdoor unit compressor running, off while in compressor off
2) H/P Model
Operation Indicator
• On while in appliance operation, off while in appliance pause
• Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on)
• Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on)
Sleep Timer Indicator
• On while in sleep timer mode, off when sleep timer cancel or appliance operation pause
Timer Indicator
• On while in timer mode (on/off), off when timer mode is completed or canceled
Defrost Indicator
• Off except when hot start during heating mode operation or while in defrost control
■
Cooling Mode Operation
• When the intake air temperature reaches 0.5°C below the setting temp, the compressor and the outdoor fan
stop.
• When it reaches 0.5°C above the setting temp, they start to operate again.
Compressor ON Temp
➲
Setting Temp+0.5°C
Compressor OFF Temp
➲
Setting Temp-0.5°C
• While in compressor running, operating with the airflow speed set by the remote control. While in compressor
not running, operating with the low airflow speed regardless of the setting.
■
Healthy Dehumidification Mode
• When the dehumidification operation input by the remote control is received, the intake air temperature is
detected and the setting temp is automatically set according to the intake air temperature.
26°C
≤
Intake Air Temp
➲
25°C
24°C
≤
Intake Intake Air Temp<26°C
➲
Intake Air Temp-1°C
18°C
≤
Intake Intake Air Temp<24°C
➲
Intake Air Temp-0.5°C
Intake Air Temp<18°C
➲
18°C
-10-
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