LG LS-H126RLN1 Service Manual ▷ View online
-9-
(2) Outdoor Unit
W
L2
L3
L1
D
H
L4
L5
Gas side
(3-way valve)
Liquid side
(2-way valve)
MODEL
12K, 14K 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
-10-
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(EVAPORATOR)
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
EXCHANGE
(CONDENSER)
HEAT
EXCHANGE
(CONDENSER)
EXCHANGE
(CONDENSER)
COMPRESSOR
COMPRESSOR
ACCUMU
LATOR
LATOR
GAS SIDE
GAS SIDE
VALVE
LIQUID SIDE
LIQUID SIDE
VALVE
CAPILLARY TUBE
CAPILLARY TUBE
CHECK VALVE
(Heating Model only)
COOLING
HEATING
REVERSING
VALVE
(Heating Model Only)
VALVE
(Heating Model Only)
(1) Cooling Only Models
(2) Cooling & Heating Models
Wiring Diagram
-11-
PO
WER
BR
BR
BR
BL
GN/YL
BL
BL
1(L)
2(N)
MOTOR
CN-MOTOR
CN-TAB1
CN-A
C/DC
CN-A
C/DC
CN-TH
THERMISTOR
STEP
MOTOR
STEP
MOTOR
H.V.
ASM
RD AIR
CLEAN
(
PLASMA
)
SAFETY S/W1
SAFETY S/W2
BK
BK
BK
BK
BK
BK
BK
CN-U/D
CN-L/R
CN-DISP
DISPLAY PWB ASM
INDOOR WIRING DIAGRAM
3854A20142B
SW(FORCE)
T/BLOCK
TO OUTDOOR UNIT
TRIAC
AC PWB ASM
DC PWB ASM
OR
BK
BR
4
RY-COMP
FUSE
250V T2A
250V T2A
3
YL
SH-CAPA
GN/YL
INDOOR WIRING DIAGRAM
3854A20238J
MOTOR
OR
RD
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
PO
WER
BR(BK/Plained)
BL(WH/Rib
bed)
BK
YL
SH-CAPA
T/BOARD
T-BLOCK
CN-MOTOR
THERMISTOR
STEP
MOTOR
CN-A
CDC1
CN-A
CDC2
CN-TH
CN-U/D
CN-L/R
CN-HVB
CN-12V
CN-DISP
DISPLAY PWB ASM.
CN-CONT
TRIAC
AC PWB ASM.
DC PWB ASM.
CN-TAB
RY-COMP
TO OUTDOOR UNIT
4
3
1(L)
BR
BR
BL
GN/YL
2(N)
FUSE
250V T2A
STEP
MOTOR
H.V.
ASM.
S/W1
S/W2
AIR
CLEAN
(PLASMA)
GN/YL
GN/YL
(1) Indoor Unit
• Model: LS-R142CAG/LS-R112ACG/ACL/ACM/CAG
LS-R126ADM/ACM/1AG
LS-R112ACG/ACL/ACM
LS-R112ACG/ACL/ACM
• Model: LS-R126ADG/BDG/AAG/AAL/ADL/ACG
LS-R126CDL/LS-R1262AG
LS-R142AAL/BAM
LS-R142AAL/BAM
• Model: LS-R126AAG/AAL/ADL/ACG/ADM/ACM
LS-R1261AG/CDL/LS-R1262AG
• Model: LS-R112ACG/ACL/ACM
LS-R142AAL/BAM
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)
OUTDOOR WIRING DIAGRAM
3854A30077E
COMP
C S R
FAN
MOTOR
OLP
BR
BR
RD
BL
GN/YL
BL
BR
GN/YL
BL
BR
BL
BL
CAPACITOR
1
RD
BL
YL
RD
BL
YL
TO INDOOR UNIT
BLACK
PILLAR
TERMINAL
TERMINAL
H
C
F
PTC
1(L) 2(N)
(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
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