LG LT-D3680CL / LT-D3680HL / LT-D3682HL / LT-D4820CL / LT-D4820HL / LT-D4822HL / LT-D4880CL / LT-D4880HL Service Manual ▷ View online
(2) Outdoor Unit(36K)
–8–
L6
L7
L8
L9
L4
H
L11
L10
L5
W
D
L1
L2
L3
Gas side
3-way valve
3-way valve
Liquid side
3-way valve
3-way valve
MODEL
DIM
W
mm
790
H
mm
965
D
mm
320
L1
mm
358
L2
mm
19
L3
mm
339
L4
mm
920
L5
mm
38
L6
mm
503
L7
mm
144
L8
mm
143
L9
mm
73
L10
mm
93
L11
mm
80
36K Models
–9–
(3) Outdoor Unit(48K)
L6
L7
L8
L9
L4
H
L11
L10
L5
W
D
L1
L2
L3
Gas side
3-way valve
3-way valve
Liquid side
3-way valve
3-way valve
MODEL
DIM
W
mm
900
H
mm
1,225
D
mm
370
L1
mm
460
L2
mm
45
L3
mm
410
L4
mm
1,135
L5
mm
90
L6
mm
550
L7
mm
175
L8
mm
175
L9
mm
112
L10
mm
120
L11
mm
83
48K Models
Refrigeration Cycle Diagram
• HEAT PUMP(LT-D3680HL, LT-D3682HL, LT-D4880HL, LT-D4882HL, LT-D4820HL)
• Rated performance for refrigerant line length of: 7.5m
• If 48K Capacity is installed at a distance of 15m, 450g of refrigerant
• If 48K Capacity is installed at a distance of 15m, 450g of refrigerant
should be added ....................................................(15-7.5) x 60g
–10–
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
EXCHANGER
HEAT
EXCHANGER
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
COOLING
HEATING
REVERSING
VALVE
VALVE
CAPILLARY TUBE
Capacity
36K
5/8"
3/8"
7.5
50
48K
3/4"
3/8"
7.5
50
GAS
LIQUID
5
30
50
5
30
60
Elevation (m)
Length (m)
* Additional
refrigerant
(g/m)
Pipe Size
(Diameter:ø)
Rated
Rated
Max.
Max.
–11–
• COOLING ONLY(LT-D3680CL, LT-D4880CL, LT-D4820CL)
• Rated performance for refrigerant line length of: 7.5m
• If 48K Capacity is installed at a distance of 15m, 450g of refrigerant
• If 48K Capacity is installed at a distance of 15m, 450g of refrigerant
should be added ....................................................(15-7.5) x 60g
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
(CONDENSER)
EXCHANGER
(CONDENSER)
HEAT
EXCHANGER
(CONDENSER)
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
Capacity
36K
5/8"
3/8"
7.5
50
48K
3/4"
3/8"
7.5
50
GAS
LIQUID
5
30
50
5
30
60
Elevation (m)
Length (m)
* Additional
refrigerant
(g/m)
Pipe Size
Rated
Rated
Max.
Max.
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