LG LS-K1860HL Service Manual ▷ View online
- 10 -
W
L7
L6
L8
L9
D
L1
L2
L3
L10
L11
L4
L5
H
Gas side
3-way valve
3-way valve
Liquid side
2-way valve
2-way valve
(2) Outdoor Unit
MODEL
DIM
W
mm
870
H
mm
655
D
mm
320
L1
mm
370
L2
mm
340
L3
mm
25
L4
mm
630
L5
mm
25
L6
mm
546
L7
mm
162
L8
mm
162
L9
mm
54
L10
mm
74.5
L11
mm
79
ALL MODELS
- 11 -
Refrigeration Cycle Diagram
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
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)
VALVE
(Heating Model Only)
(1) Cooling Only Models
(2) Cooling & Heating Models
- 12 -
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
18K(60Hz)
5/8"
1/4"
4 or 5
10
20
20
18K(50Hz)
1/2"
1/4"
4 or 5
15
30
30
24K(60Hz)
5/8"
1/4"
4 or 5
15
30
30
24K(50Hz)
5/8"
3/8"
4 or 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)
- 13 -
Wiring Diagram
(1) Indoor Unit
1. LS-K1820/1860/1861/2420/2460/2621/2661CL/CM
2. LS-K1820/1860/1861/2420/2460/2621/2661HL/HM
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
OPERATION
AUTO
RESTART
REMOTE
CONTROL
CONTROL
STEP
MOTOR
CN-L/R
STEP
MOTOR
MOTOR
MAIN PCB
ASM
DISPLAY PCB ASM
POWER
TO OUTDOOR UNIT
PILLAR
TERMINAL
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
3854A90003L
INDOOR WIRING DIAGRAM
CN-DISP1
FUSE
AC250V/T2A
CN-TH1
SSR
SH-CAPA.
BR
GN/YL
BR
YL
OR
BK
CN-TAB1
CN-TAB2
RY-COMP.
ZNR
CN-MOTOR
THERMISTOR
FORCED
OPERATION
OPERATION
AUTO
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
CN-L/R
STEP
MOTOR
WH
ION
H.V.B
GN
(GN/YL)
OPTION
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