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Refrigeration Cycle Diagram
• HEAT PUMP (LB-D1861HL/LB-D1863HL/LB-D2461HL/LB-D2463HL/LB-F3061HL/LB-F3063HL/
LB-F3661HL/LB-F3663HL/LB-F3681HL/LB-F3683HL/LB-F4261HL/LB-F4263HL/
LB-E4881HL/LB-E4883HL/LB-E6081HL/LB-E6083HL)
INDOOR UNIT
CAPILLARY TUBE
HEAT
EXCHANGER
MODEL
18K
24K
30K
36K
42K
48K
60K
• 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
LIQUID SIDE
GAS SIDE
Pipe size(Diameter: ø)
Gas
Liquid
5/8"
1/4"
5/8"
1/4"
5/8"
3/8"
5/8"
3/8"
3/4"
3/8"
3/4"
3/8"
3/4"
1/2"
OUTDOOR UNIT
COMPRESSOR
Piping length(m)
Rated
Max.
7.5
50
7.5
50
7.5
50
7.5
50
7.5
50
7.5
50
7.5
50
–11–
HEAT
EXCHANGER
REVERSING
VALVE
COOLING
HEATING
Elevation(m)
Rated
Max.
5
30
5
30
5
30
5
30
5
30
5
30
5
30
*Additional
refrigerant
(g/m)
25
30
50
40
50
50
60
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Troubleshooting
