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Model: LS-K1863HL_HM_HN LS-K1864HL_HM_HN_BL_EL LS-K1867HL_HM_HN LS-K2423HL_HM_HN LS-K2424HL_HM_HN LS-K2465HL_HM_HN LS-K2466HL_HM_HN_BL_EL LS-K2665HL_HM_HN LS-K2666HL_HM_HN_BL_EL LS-K2669HL_HM_HN
Pages: 127
Size: 4.35 MB
Type: PDF
Document: Service Manual
Brand: LG
Device: Air Conditioner
File: ls-k2466el.zip
Date: 2018-11-20

LG LS-K1863HL_HM_HN / LS-K1864HL_HM_HN_BL_EL / LS-K1867HL_HM_HN / LS-K2423HL_HM_HN / LS-K2424HL_HM_HN / LS-K2465HL_HM_HN / LS-K2466HL_HM_HN_BL_EL / LS-K2665HL_HM_HN / LS-K2666HL_HM_HN_BL_EL / LS-K2669HL_HM_HN Service Manual ▷ View online

- 10 -
Refrigeration Cycle Diagram
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
COMPRESSOR
ACCUMU
LATOR
GAS SIDE
GAS SIDE
3-WAY VALVE
LIQUID SIDE
LIQUID SIDE
2-WAY VALVE
CAPILLARY TUBE
CAPILLARY TUBE
CHECK VALVE
(Heating Model only)
COOLING
HEATING
REVERSING
VALVE
(Heating Model Only)
(1) Cooling Only Models
(2) Cooling & Heating Models

- 11 -
Pipe length and the elevation
* Capicity is based on standard length and maximum allowance length is the basis of
reliability.
* Oil trap should be installed per 5~7 meters.
* Numerical value in "(    )" is for Rotary Comp. model.
CAUTION
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
In case more than 5m
24K(60Hz) 5/8"
1/4"
5
15
30
30
18K(50Hz) 1/2"
1/4"
5
15
30
30
24K(50Hz) 5/8"
3/8"
5
15
30
30
26K(50Hz) 5/8"
3/8"
5
15
30
30
Pipe Size
Capacity
(Btu/h)
GAS
LIQUID
Additional
Refrigerant
(g/m)
Max. 
Length
A  (m)
Max.
Elevation
B  (m)
Standard
Length
(m)

2. LS-K2424/1864/2466/2666HL/HM/HN/BL/EL
3854A90003J
INDOOR WIRING DIAGRAM
CN-DISP1
CN-U/D
FUSE
AC250V/T2A
CN-TH1
SSR
SH-CAPA.
BR
GN/YL
BL
BR
YL
OR
BK
CN-TAB1
CN-TAB2
CN-4WAY
RY-COMP.
ZNR
RY-4WAY
RY-FAN
CN-MOTOR
THERMISTOR
FORCED
OPERATION
AUTO
RESTART
REMOTE
CONTROL
STEP
MOTOR
CN-L/R
STEP
MOTOR
MOTOR
MAIN PCB
ASM
DISPLAY PCB ASM
POWER
TO OUTDOOR UNIT
PILLAR
TERMINAL
BR
BL
RD
BK
GN/YL
BR
BL
RD
BK
GN/YL
1(L)  2(N)
              
   3   4  
4
 3
WH 
ION
H.V.B
GN
(GN/YL)
OPTION 
- 12 -
Wiring Diagram
(1) Indoor Unit
1. LS-K2423/1863/1867/2465/2665/2669HL/HM/HN/BL/EL
3854A90003V
INDOOR WIRING DIAGRAM
CN-DISP1
CN-U/D
FUSE
AC250V/T2A
CN-TH1
SSR
SH-CAPA.
BR
GN/YL
BL
BR
YL
OR
BK
CN-TAB1
CN-TAB2
CN-4WAY
RY-COMP.
ZNR
RY-4WAY
RY-FAN
CN-MOTOR
THERMISTOR
FORCED
OPERATION
 AUTO
RESTART
REMOTE
CONTROL
STEP
MOTOR
MOTOR
MAIN PCB
ASM
DISPLAY PCB ASM
POWER
TO OUTDOOR UNIT
PILLAR
TERMINAL
BR
BL
RD
BK
GN/YL
BR
BL
RD
BK
GN/YL
1(L)  2(N)
              
   3   4  
4
 3
CN-L/R
STEP
MOTOR
RD 
H.V.B
A/CL
OPTION 
BK
BK BK
BK
BK
BK
LIMIT
S/W

- 13 -
3854A90003M
OUTDOOR WIRING DIAGRAM
TO OUTDOOR UNIT
TERMINAL
BLOCK
CAPACITOR
PTC
BR
BL
RD
BK
GN/YL
GN/YL
BR
BL
RD
BK
GN/YL
1(L)  2(N)
              
   3   4  
COMP.
FAN
MOTOR
BR
H
C
F
R
S
C
RD
RD
BR
T/B 3
T/B 4
HEATER
RD
T / B 1
BR(OR)
BK(RD)
BK(RD)
YL
BK
YL
T / B 2
REVERSING
VALVE
(2) Outdoor Unit
1. LS-K2423/2424/1863/1864/1867/2465/2466/2665/2666/2669HL/HM/HN/BL/EL

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