LG LB-D1861HL_CL / LB-D2461HL_CL / LB-E4881HL_CL / LB-E6081HL_CL Service Manual ▷ View online
(2) Outdoor Unit
–8–
W
H
D
W
H
D
MODEL
DIM
18K
24K
48K
60K
W(mm)
870
870
900
900
H(mm)
655
655
1220
1220
D(mm)
320
320
370
370
(48K/60K)
(18K/24K)
Refrigeration Cycle Diagram
• HEAT PUMP (LB-D1861HL/LB-D2461HL/LB-E4881HL/LB-E6081HL)
• Rated performance for refrigerant line length of: 7.5m
• If 18K Model is installed at a distance of 15m, 188g of refrigerant should be added (15-7.5)x25g=188g
• If 18K Model is installed at a distance of 15m, 188g of refrigerant should be added (15-7.5)x25g=188g
–9–
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
EXCHANGER
HEAT
EXCHANGER
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
COOLING
HEATING
REVERSING
VALVE
VALVE
CAPILLARY TUBE
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
LB-D1861HL
5/8"
1/4"
7.5
50
5
30
25
LB-D2461HL
5/8"
1/4"
7.5
50
5
30
30
LB-E4881HL
3/4"
3/8"
7.5
50
5
30
50
LB-E6081HL
3/4"
1/2"
7.5
50
5
30
60
*Additional
refrigerant
(g/m)
–10–
• COOLING ONLY (LB-D1861CL/LB-D2461CL/LB-E4881CL/LB-E6081CL)
• Rated performance for refrigerant line length of: .7.5m
• If 18K Model is installed at a distance of 15m, 188g of refrigerant should be added (15-7.5)x25g=188g
• If 18K Model is installed at a distance of 15m, 188g of refrigerant should be added (15-7.5)x25g=188g
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
(CONDENSER)
EXCHANGER
(CONDENSER)
HEAT
EXCHANGER
(CONDENSER)
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
LB-D1861CL
5/8"
1/4"
7.5
50
5
30
25
LB-D2461CL
5/8"
1/4"
7.5
50
5
30
25
LB-E4881CL
3/4"
3/8"
7.5
50
5
30
50
LB-E6081CL
3/4"
1/2"
7.5
50
5
30
60
*Additional
refrigerant
(g/m)
–11–
Wiring Diagram
HEAT PUMP
Model : LB-D1861HL/LB-D2461HL
COOLING ONLY
Model : LB-D1861CL/LB-D2461CL
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
COMP
R
S
H
4
2
8
6
1
0
C
F
BL
YL
OR
BK
TB2
BR
BR
BR
BR
BL
BL
BL
BL
BL
GN/YL
GN/YL
BK
YL
RD
CAPACITOR
REVERSING
VALVE
RD
C
POWER
RELAY
RELAY
FAN
MOTOR
FUSE 5A
FUSE 5A
POWER
INPUT
TO INDOOR UNIT
TERMINAL
BLOCK
1
(
L
)
2
(
N
)
3
(
L
)
4
(
N
)
5
6
7
8
INDOOR
MOTOR
DRAIN
PUMP
BR
BR
YL
OR
RD
BL
BL
RD
BK
YL
BL
BL
BK
GN/YL
GN/YL
COMP
4 WAY
OUT FAN
FUSE
250V10A
TEMP.
THERMISTOR
PIPE
THERMISTOR
FLOAT S/W
REMOTE
CONTROL
ZONE
CONTROL
OPTION
TERMINAL
BLOCK
7
3
(
L
)
4
(
N
)
5
6
TO OUTDOOR UNIT
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
COMP
R
S
H
4
2
8
6
1
0
C
F
BL
YL
OR
BK
TB2
BR
BR
BR
BR
BL
BL
BL
BL
BL
GN/YL
GN/YL
YL
RD
CAPACITOR
RD
C
POWER
RELAY
RELAY
FAN
MOTOR
FUSE 5A
FUSE 5A
POWER
INPUT
TO INDOOR UNIT
TERMINAL
BLOCK
1
(
L
)
2
(
N
)
3
(
L
)
4
(
N
)
5
6
7
8
INDOOR
MOTOR
DRAIN
PUMP
BR
BR
YL
OR
RD
BL
BL
RD
BL
BL
BK
GN/YL
GN/YL
COMP
FUSE
250V10A
TEMP.
THERMISTOR
PIPE
THERMISTOR
FLOAT S/W
REMOTE
CONTROL
ZONE
CONTROL
OPTION
TERMINAL
BLOCK
7
3
(
L
)
4
(
N
)
5
6
TO OUTDOOR UNIT
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