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Model
LB-D1861 LB-D2461 LB-F3061 LB-F3661 LB-F3681 LB-F4261 LB-E4881 LB-E6081 LB-E6084_HL_CL_HP_CP
Pages
55
Size
1.62 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lb-d1861-lb-d2461-lb-f3061-lb-f3661-lb-f3681-lb-f4.zip
Date
PREV: LG LB-D1860HL Service Manual

LG LB-D1861 / LB-D2461 / LB-F3061 / LB-F3661 / LB-F3681 / LB-F4261 / LB-E4881 / LB-E6081 / LB-E6084_HL_CL_HP_CP Service Manual ▷ View online

Dimensions
–9–
W
D
H
(1) Indoor Unit
MODEL
DIM
W(mm)
880
880
1180
1180
1180
1230
1230
H(mm)
281
281
298
298
298
370
370
D(mm)
575
575
600
600
600
680
680
18K
24K
30K
36K
42K
48K
60K
(2) Outdoor Unit
–10–
W
H
D
W
H
D
(36K/42K/48K/60K)
(18K/24K/30K)
MODEL
DIM
W(mm)
870
870
870
790
900
900
900
H(mm)
655
655
800
965
1,220
1,220
1,220
D(mm)
320
320
320
320
370
370
370
18K
24K
30K
36K
42K
48K
60K
Refrigeration Cycle Diagram
• HEAT PUMP (LB-D1861HL/HP, LB-D2461HL/HP, LB-F3061HL/HP, LB-F3661HL/HP, 
LB-F3681HL/HP, LB-F4261HL/HP, LB-E4881HL/HP, LB-E6081HL/HP, LB-E6084HL)
• 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
–11–
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
HEAT
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
COOLING
HEATING
REVERSING
VALVE
CAPILLARY TUBE
18K
5/8"
1/4"
7.5
50
5
30
25
24K
5/8"
1/4"
7.5
50
5
30
30
30K
5/8"
3/8"
7.5
50
5
30
40
36K
5/8"
3/8"
7.5
50
5
30
50
42K/48K
3/4"
3/8"
7.5
50
5
30
50
60K
3/4"
1/2"
7.5
50
5
30
60
*Additional
refrigerant
(g/m)
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
–12–
• COOLING ONLY (LB-D1861CL/CP, LB-D2461CL/CP, LB-F3661CL/CP, 
LB-F3681CL/CP, LB-E4881CL/CP, LB-E6081CL/CP)
• 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
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
(CONDENSER)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
LB-D1861CL/CP
5/8"
1/4"
7.5
50
5
30
25
LB-D2461CL/CP
5/8"
1/4"
7.5
50
5
30
25
LB-F3661CL/CP
5/8"
3/8"
7.5
50
5
30
40
LB-F3681CL/CP
5/8"
3/8"
7.5
50
5
30
40
LB-E4881CL/CP
3/4"
3/8"
7.5
50
5
30
50
LB-E6081CL/CP
3/4"
1/2"
7.5
50
5
30
60
*Additional
refrigerant
(g/m)
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
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