LG LS-D1862HL Service Manual ▷ View online
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3. LS-D1864/1865HL/HM/HD
DISPLAY PCB ASM
INDOOR WIRING DIAGRAM
3854AR7074E
FAN
MOTOR
MOTOR
SH-CAPA
TRANS
POWER
RY-L
RY-M
RY-H
BR
CN-TH
CN-ION
BL
4
3
GN/YL
GN/YL
BR
BR
BR
WH
GN
BR
BL
BL
CN-UP/DOWN
CN-LEFT
CN-RIGHT
STEP-MOTOR
(UP/DOWN)
STEP-MOTOR
(LEFT)
STEP-MOTOR
(RIGHT)
CN-POWER
4-WAY
RY-COMP
FUSE T2A
ROOM
THERMISTOR
THERMISTOR
PIPE
THERMISTOR
THERMISTOR
OPTION
CN-DISP
1(L)
3
2(N)
OPTION
GN/YL
1(L) 2(N)
BR
BR
BL
BL
ION
H.V.B
R
S
C
F
H
C
COMP.
TO INDOOR UNIT
OUTDOOR WIRING DIAGRAM
MOTOR
FAN
BR
OPTION
PTC
CAPACITOR
YL
TP
RD
TERMINAL
BLOCK
BLOCK
3854AR2735F
BR(OR)
BR BL
BK
YL
GN/YL
GN/YL
GN/YL
1(L) 2(N)
(2) Outdoor Unit
1. LS-D1864/1865CL/CM/CD
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RD
COMP.
BR
BR
BL
4
3
GN/YL
GN/YL
MOTOR
CN-DC/DC
CN-TRANS
CN-TRANS
OR(BR)
CN-COMP
CN-POWER
GN/YL
RD BK WH
BL
YL
YL
WH
PTC
TP
ZNR
N
BR
T
O INDOOR UNIT
POWER
TRANS
CAP
ACIT
OR
H
C
R
S
OLP
C
F
WH
BK
RD
BL
BL
BL
RD
RD
BK
FUSE
250V
/T2.0 A
/T2.0 A
BK
BK
TERMINAL
BLOCK
BR
BR
T/B 1
MAIN AC P.C.B
Power Input
OUTDOOR WIRING DIAGRAM
3854AR2735B
1 2
3 4
5
(N)
(L)
OPTION
WH
BR
1
2
3
YL
H
C
F
YL
TP
BK
H.P S/W
BR
BR
BL
BR
BL
GN/YL
GN/YL
BK
BK
BK
THERMISTOR
REVERSING VALVE
TRANS
FAN
MOTOR
MOTOR
(1)
(2)
3
TO INDOOR UNIT
3854AR2735J
OUTDOOR WIRING DIAGRAM
T/B 4
T/B 1
T/B 2
T/B 3
BR(OR)
CAPACITOR
DEICER
P.C.B. ASM
R
OLP
C
RD
RD
RD
BR
BR
BL
GN/YL
TERMINALBLOCK
BL
COMP.
S
(OPTION)
PTC
2. LS-D2424CL/CM/CD
3. LS-D1864/1865HL/HM/HD
The function of main control
1. Time delay Safety Control
• 3min... The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 5sec... Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers and wind.
• 30sec... The 4-way valve is ceased for 30sec. to prevent the refrigerant-gas abnormal noise when the Heating
operation is OFF or switched to the other operation mode while compress is off.
While compressor is running, it takes 3~5 seconds to switch.
While compressor is running, it takes 3~5 seconds to switch.
2. Airflow Direction Control
• This function is to swing the louver up and down automatically and to set it at the desired position.
• The procedure is as the following.
1st ; Press the ON/OFF Button to operate the product.
2nd ; Press the Airflow Direction Control Button to swing the louver up and down automatically.
3nd ; Repress the Airflow Direction Control Button to set the louver as the desired position.
3. Cooling Mode Operation
• When selecting the Cooling(
) Mode Operation, the unit will operate according to the setting by the
remote controller and the operation diagram is as following.
4. Cooling or Heating Mode with Sleep Mode Auto Operation
• When selecting the Cooling(
) or the Heating( ) combined with the Sleep Mode Auto Operation( ), the
operation diagram is as following.
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Operation Details
0
1
2
3
4
5
110
Cooling
Cooling
Horizontal
Setting point:
Heating
Heating
(Close)
Approx. 28
6
7
7
9
Approx. 28
INTAKE AIR TEMP.
SETTING TEMP. +0.5°C
(COMPRESSOR ON)
SETTING TEMP. -0.5°C
(COMPRESSOR OFF)
Selecting
fan speed
fan speed
Selecting
fan speed
fan speed
More than
3 minutes
More than
3 minutes
Selecting
fan speed
fan speed
COMPRESSOR
ON
OFF
ON
OFF
ON
INDOOR FAN SPEED
Low
Low
■
Cooling Mode with the Sleep Mode
• The setting temperature will be raised by 1°C 30minutes later and by 2°C 1 hour later.
• The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
■
Heating Mode with the Sleep Mode
• The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
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INTAKE AIR TEMP.
SETTING TEMP. +0.5°C
(Compressor. ON)
SETTING TEMP. -0.5°C
(Compressor. OFF)
30 minutes
30 minutes
More than
3 minutes
1°C
1°C
More than
3 minutes
COMPRESSOR
ON
OFF
ON
OFF
ON
INDOOR FAN SPEED
Low
Low
Low
Low
Low
SETTING TEMP. +3°C
(Compressor OFF)
(Compressor OFF)
SETTING TEMP.
(Compressor ON)
(Compressor ON)
More than
3 minutes
More than
3 minutes
More than
3 minutes
COMPRESSOR
ON
OFF
ON
OFF
ON
OFF
INDOOR FAN SPEED
MED
LOW or OFF
MED
LOW or OFF
MED
LOW or OFF
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