LG LV-B2461CL / LV-B2461HL / LV-B2464CL / LV-B2464HL / LV-B1861CL / LV-B1861HL / LV-B1864CL / LV-B1864HL / V18LH Service Manual ▷ View online
Refrigeration Cycle Diagram
• LV-B1861CL
• LV-B1864CL
• LV-B2461CL
• LV-B2464CL
• LV-B1864CL
• LV-B2461CL
• LV-B2464CL
Pipe size(Diameter:
)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max
Rated
Max
LV-B1861CL
1/2"
1/4"
5
15
5
8
LV-B1864CL
1/2"
1/4"
5
15
5
8
LV-B2461CL
5/8"
1/4"
5
20
5
8
LV-B2464CL
5/8"
1/4"
5
20
5
8
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
(EVAPORATOR)
EXCHANGER
(EVAPORATOR)
HEAT
EXCHANGER
(CONDENSER)
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
–9–
For installation over rated distance, 30g of refrigerant should be added for each meter.
ex) When installed at a distance of 15m, 300g of refrigerant should be added.
(15-5) x 30g = 300g
• LV-B1861HL
• LV-B1864HL
• LV-B2461HL
• LV-B2464HL
• LV-B1864HL
• LV-B2461HL
• LV-B2464HL
For installation over rated distance, 30g of refrigerant should be added for each meter.
ex) When installed at a distance of 15m, 300g of refrigerant should be added.
(15-5) x 30g = 300g
–10–
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
EXCHANGER
HEAT
EXCHANGER
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
COOLING
HEATING
REVERSING
VALVE
VALVE
CHECK VALVE
CAPILLARY TUBE
Pipe size(Diameter:
)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max
Rated
Max
LV-B1861HL
1/2"
1/4"
5
15
5
8
LV-B1864HL
1/2"
1/4"
5
15
5
8
LV-B2461HL
5/8"
1/4"
5
20
5
8
LV-B2464HL
5/8"
1/4"
5
20
5
8
Wiring Diagram
(1) Indoor Unit
–11–
(INDOOR)
DISPLAY PCB
ASSY.
MAIN PCB
ASSY.
TRANS-
FORMER
FORMER
THERMISTOR
CN-TH
CN-TRANS
CN-FAN
RY-L
OR
RD
BL
RD
BL
BL
BL
BR
BK
MOTOR
CAPACITOR
BR
YL
GN/YL
GN/YL
FUSE
T3.15A
STEP
MOTOR
RY-COMP
CN-4WAY
RY
RD
BK
WH
CN-UP/DOWN 1,2
POWER
INPUT
GN/YL
CN-DISP
DOOR S/W 1,2
3
RY-M
RY-H
RY-H
TERMINAL
BLOCK
1(L) 2(N)
3
4
5
6
7
8
CONVERTIBLE(HEAT PUMP)
STEP
MOTOR
TO OUTDOOR UNIT
TO OUTDOOR UNIT
(INDOOR)
DISPLAY PCB
ASSY.
MAIN PCB
ASSY.
TRANS-
FORMER
FORMER
THERMISTOR
CN-TH
CN-TRANS
CN-FAN
RY-L
OR
RD
BL
RD
BL
BL
BK
MOTOR
CAPACITOR
BR YL
GN/YL
GN/YL
GN/YL
FUSE
T3.15A
STEP
MOTOR
RY-COMP
CN-4WAY
CN-UP/DOWN 1,2
POWER
INPUT
BR
BL
WH
CN-DISP
DOOR S/W 1,2
4
3
RY-M
RY-H
RY-H
TERMINAL
BLOCK
1(L) 2(N)
3
4
CONVERTIBLE(COOLING ONLY)
STEP
MOTOR
(INDOOR)
DISPLAY PCB
ASSY.
MAIN PCB
ASSY.
TRANS-
FORMER
FORMER
THERMISTOR
CN-TH
CN-TRANS
CN-FAN
RY-L
OR
RD
BL
RD
BL
BL
BL
BR
BK
MOTOR
CAPACITOR
BR
YL
GN/YL
GN/YL
FUSE
T3.15A
STEP
MOTOR
RY-COMP
CN-4WAY
RY-4WAY
RT-OUTFAN
RD
BK
WH
CN-UP/DOWN 1,2
POWER
INPUT
GN/YL
CN-DISP
DOOR S/W 1,2
3
RY-M
RY-H
RY-H
TERMINAL
BLOCK
1(L) 2(N)
3
4
5
6
7
8
CONVERTIBLE(HEAT PUMP)
STEP
MOTOR
TO OUTDOOR UNIT
CONVERTIBLE(COOLING ONLY)
(OUTDOOR)
TO INDOOR UNIT
COMP.
CAPACITOR
FAN
MOTOR
R
S
C
H
F
C
3
4
TERMINAL
BLOCK
BL
RD
BR
BR
BL
BK
T/B
BR(OR)
GN/YL
YL
1. LV-B1861CL/1864CL/2461CL/2464CL
2. LV-B1861HL/2461HL
3. LV-B1864HL/2464HL
(2) Outdoor Unit
1. LV-B1861CL/1864CL/2461CL/2464CL
2. LV-B2461HL
4. LV-B1864HL/2464HL
3. LV-B1861HL
5. LV-B2464HL(Australia only)
–12–
CONVERTIBLE(HEAT PUMP)
(OUTDOOR)
(OUTDOOR)
COMP.
BL
RD
GN/YL
GN/YL
GN/YL
BK
BK
L3 L2
L1
CAPACITOR
REVERSING
VALVE
THERMISTOR
CAPACITOR
FAN
MOTOR
R
C
S
TO INDOOR UNIT
3
4
5
6
7
TERMINAL
BLOCK
HIGH PRESSURE S/W(FOR HEATING)
BK
BK
BK
BK
WH
BR
BL
BK
BK
YL
BR(OR)
YL
CONVERTIBLE(HEAT PUMP)
(OUTDOOR)
COMP.
BL
RD
GN/YL
GN/YL
GN/YL
BK
BK
L3 L2
L1
CAPACITOR
REVERSING
COIL
THERMISTOR
CAPACITOR
FAN
MOTOR
R
C
S
TO INDOOR UNIT
3
4
5
6
7
TERMINAL
BLOCK
HIGH PRESSURE S/W(FOR HEATING)
BK
BK
BK
BK
WH
BR
BL
BK
BK
YL
BR(OR)
YL
T/B
CONVERTIBLE(HEAT PUMP)
COMP.
CAPACITOR
BL
RD
YL
BK
T/B
OR(BR)
FAN
MOTOR
R
C
S
H
C
F
GN/YL
GN/YL
GN/YL
BK
BK
BK
REVERSING
VALVE
TO INDOOR UNIT
3
4
5
6
7
TERMINAL
BLOCK
BK
BK
BR
BL
TO INDOOR UNIT
WIRING DIAGRAM(OUTDOOR)
3854A20075W
COMP.
R
BL
BL
YL
YL
YL
BK
WH
OR(BR)
RD
S
C
CAPACITOR
START CAPACITOR
H
C
F
FAN
MOTOR
BK
3
4
4
3
4
4
BK
BR
BK
TERMINAL
BLOCK
SOFT START PCB
3
4
5
6
7
GN/YL
REVERSING
VALVE
CN-COMP
CN-POWER
CN-
S/CAPA
T/B
BL
BR
BK
BK
GN/YL
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